./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-min-max-dec.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 47814a6c2066a31334f0b50a42e69cfeb567d5dd7f02dc6c703588c90e067366 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 12:27:58,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 12:27:58,954 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 12:27:58,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 12:27:58,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 12:27:58,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 12:27:58,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 12:27:58,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 12:27:58,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 12:27:58,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 12:27:58,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 12:27:58,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 12:27:58,995 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 12:27:58,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 12:27:58,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 12:27:58,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 12:27:58,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 12:27:58,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 12:27:58,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 12:27:58,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 12:27:58,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 12:27:58,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 12:27:58,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 12:27:58,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 12:27:58,996 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 12:27:58,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 12:27:58,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 12:27:58,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 12:27:58,997 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 12:27:58,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 12:27:58,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:27:58,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 12:27:58,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 12:27:58,998 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 12:27:58,999 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 12:27:58,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 12:27:58,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 12:27:58,999 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 12:27:58,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 12:27:58,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 12:27:58,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 12:27:58,999 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 12:27:58,999 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 12:27:58,999 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 -> 47814a6c2066a31334f0b50a42e69cfeb567d5dd7f02dc6c703588c90e067366 [2024-11-21 12:27:59,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 12:27:59,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 12:27:59,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 12:27:59,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 12:27:59,294 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 12:27:59,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2024-11-21 12:28:00,565 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/bcf6bf846/63011ac4679348619f122d31fed0f61e/FLAG6591b744b [2024-11-21 12:28:00,793 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 12:28:00,795 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2024-11-21 12:28:00,802 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/bcf6bf846/63011ac4679348619f122d31fed0f61e/FLAG6591b744b [2024-11-21 12:28:00,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/bcf6bf846/63011ac4679348619f122d31fed0f61e [2024-11-21 12:28:00,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 12:28:00,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 12:28:00,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 12:28:00,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 12:28:00,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 12:28:00,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:28:00" (1/1) ... [2024-11-21 12:28:00,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6219f90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:00, skipping insertion in model container [2024-11-21 12:28:00,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:28:00" (1/1) ... [2024-11-21 12:28:00,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 12:28:01,027 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[2683,2696] [2024-11-21 12:28:01,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:28:01,046 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 12:28:01,076 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[2683,2696] [2024-11-21 12:28:01,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 12:28:01,097 INFO L204 MainTranslator]: Completed translation [2024-11-21 12:28:01,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01 WrapperNode [2024-11-21 12:28:01,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 12:28:01,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 12:28:01,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 12:28:01,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 12:28:01,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (1/1) ... [2024-11-21 12:28:01,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (1/1) ... [2024-11-21 12:28:01,144 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-21 12:28:01,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 12:28:01,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 12:28:01,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 12:28:01,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 12:28:01,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (1/1) ... [2024-11-21 12:28:01,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (1/1) ... [2024-11-21 12:28:01,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (1/1) ... [2024-11-21 12:28:01,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (1/1) ... [2024-11-21 12:28:01,169 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (1/1) ... [2024-11-21 12:28:01,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (1/1) ... [2024-11-21 12:28:01,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (1/1) ... [2024-11-21 12:28:01,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (1/1) ... [2024-11-21 12:28:01,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (1/1) ... [2024-11-21 12:28:01,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 12:28:01,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 12:28:01,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 12:28:01,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 12:28:01,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (1/1) ... [2024-11-21 12:28:01,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 12:28:01,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:28:01,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 12:28:01,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 12:28:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 12:28:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 12:28:01,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 12:28:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 12:28:01,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 12:28:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-21 12:28:01,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-21 12:28:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-21 12:28:01,247 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-21 12:28:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 12:28:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 12:28:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 12:28:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 12:28:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 12:28:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 12:28:01,249 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 12:28:01,369 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 12:28:01,370 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 12:28:01,625 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 12:28:01,625 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 12:28:01,786 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 12:28:01,787 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-21 12:28:01,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:28:01 BoogieIcfgContainer [2024-11-21 12:28:01,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 12:28:01,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 12:28:01,789 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 12:28:01,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 12:28:01,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:28:00" (1/3) ... [2024-11-21 12:28:01,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42cf659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:28:01, skipping insertion in model container [2024-11-21 12:28:01,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:01" (2/3) ... [2024-11-21 12:28:01,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42cf659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:28:01, skipping insertion in model container [2024-11-21 12:28:01,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:28:01" (3/3) ... [2024-11-21 12:28:01,796 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2024-11-21 12:28:01,811 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 12:28:01,812 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-min-max-dec.wvr.c that has 5 procedures, 57 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-21 12:28:01,812 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 12:28:01,878 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-21 12:28:01,924 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:28:01,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 12:28:01,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:28:01,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 12:28:01,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 12:28:02,006 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 12:28:02,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 12:28:02,026 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;@1ff559e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 12:28:02,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-21 12:28:03,199 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)] === [2024-11-21 12:28:03,200 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:28:03,200 INFO L139 ounterexampleChecker]: Examining path program with hash -720355344, occurence #1 [2024-11-21 12:28:03,202 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:28:03,202 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:28:03,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:03,207 INFO L85 PathProgramCache]: Analyzing trace with hash -269795930, now seen corresponding path program 1 times [2024-11-21 12:28:03,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:28:03,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848552495] [2024-11-21 12:28:03,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:03,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:03,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:28:03,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848552495] [2024-11-21 12:28:03,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848552495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:28:03,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:28:03,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 12:28:03,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400681318] [2024-11-21 12:28:03,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:28:03,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 12:28:03,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:28:03,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 12:28:03,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 12:28:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:03,781 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:28:03,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:28:03,782 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:03,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:03,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 12:28:03,899 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)] === [2024-11-21 12:28:03,899 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:28:03,899 INFO L139 ounterexampleChecker]: Examining path program with hash -720355344, occurence #2 [2024-11-21 12:28:03,899 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:28:03,899 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 12:28:03,900 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:03,900 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 12:28:03,900 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:03,900 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-21 12:28:03,913 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:03,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 12:28:03,915 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:03,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-11-21 12:28:03,916 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:03,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 12:28:03,917 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:03,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-11-21 12:28:03,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-11-21 12:28:03,998 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 12:28:03,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-21 12:28:04,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:04,031 INFO L85 PathProgramCache]: Analyzing trace with hash -336438103, now seen corresponding path program 1 times [2024-11-21 12:28:04,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:28:04,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585536181] [2024-11-21 12:28:04,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:04,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:04,333 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:28:04,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585536181] [2024-11-21 12:28:04,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585536181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:04,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1347152739] [2024-11-21 12:28:04,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:04,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:04,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:28:04,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:04,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1347152739] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:04,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:28:04,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-11-21 12:28:04,571 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:28:04,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 12:28:04,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-11-21 12:28:04,636 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 12:28:04,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-21 12:28:05,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:05,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1387086848, now seen corresponding path program 1 times [2024-11-21 12:28:05,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:28:05,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654316874] [2024-11-21 12:28:05,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:05,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:06,017 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:28:06,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654316874] [2024-11-21 12:28:06,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654316874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:06,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2055527119] [2024-11-21 12:28:06,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:06,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:06,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:28:06,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:06,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2055527119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:06,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:28:06,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-11-21 12:28:06,239 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:28:06,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-21 12:28:06,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-11-21 12:28:06,355 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 12:28:06,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-21 12:28:06,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:06,399 INFO L85 PathProgramCache]: Analyzing trace with hash -819857766, now seen corresponding path program 1 times [2024-11-21 12:28:06,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:28:06,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811566443] [2024-11-21 12:28:06,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:06,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:06,638 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:28:06,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811566443] [2024-11-21 12:28:06,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811566443] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:06,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [444514650] [2024-11-21 12:28:06,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:06,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:06,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:28:06,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:06,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [444514650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:06,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:28:06,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-11-21 12:28:06,861 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:28:06,861 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2024-11-21 12:28:06,861 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:06,861 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:28:06,861 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:28:06,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:06,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2024435098, now seen corresponding path program 1 times [2024-11-21 12:28:06,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:28:06,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409413058] [2024-11-21 12:28:06,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:06,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:07,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:07,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:28:07,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409413058] [2024-11-21 12:28:07,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409413058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:07,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611921933] [2024-11-21 12:28:07,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:07,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:07,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:28:07,084 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) [2024-11-21 12:28:07,085 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 [2024-11-21 12:28:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:07,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:28:07,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:07,387 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:28:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:07,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611921933] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:28:07,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:28:07,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-21 12:28:07,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343264431] [2024-11-21 12:28:07,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:28:07,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-21 12:28:07,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:28:07,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-21 12:28:07,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-21 12:28:07,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:07,532 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:28:07,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.066666666666666) internal successors, (151), 15 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:28:07,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:07,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:07,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:07,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:07,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 12:28:07,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 12:28:07,912 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)] === [2024-11-21 12:28:07,912 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:28:07,913 INFO L139 ounterexampleChecker]: Examining path program with hash -720355344, occurence #3 [2024-11-21 12:28:07,913 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:28:07,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 12:28:07,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:07,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 12:28:07,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:07,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 12:28:07,914 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:07,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 12:28:07,915 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:07,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-21 12:28:07,915 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:07,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 12:28:07,915 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:07,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-21 12:28:08,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-11-21 12:28:08,036 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 12:28:08,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-21 12:28:08,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:08,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1973065638, now seen corresponding path program 1 times [2024-11-21 12:28:08,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:28:08,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731910382] [2024-11-21 12:28:08,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:08,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:08,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 12:28:08,210 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:28:08,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731910382] [2024-11-21 12:28:08,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731910382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:28:08,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 12:28:08,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-21 12:28:08,211 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 53. Constructing proof automaton... [2024-11-21 12:28:08,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:28:08,212 INFO L309 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-11-21 12:28:08,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 12:28:08,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-11-21 12:28:08,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 12:28:08,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-21 12:28:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:08,214 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:28:08,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:28:08,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:08,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:08,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:08,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:08,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:08,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:08,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-21 12:28:08,386 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)] === [2024-11-21 12:28:08,386 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:28:08,386 INFO L139 ounterexampleChecker]: Examining path program with hash -214939719, occurence #1 [2024-11-21 12:28:08,386 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:28:08,386 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:28:08,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:08,387 INFO L85 PathProgramCache]: Analyzing trace with hash 808759772, now seen corresponding path program 2 times [2024-11-21 12:28:08,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:28:08,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231966580] [2024-11-21 12:28:08,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:08,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:08,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:28:08,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231966580] [2024-11-21 12:28:08,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231966580] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:08,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308631004] [2024-11-21 12:28:08,670 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:28:08,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:08,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:28:08,674 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) [2024-11-21 12:28:08,676 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 [2024-11-21 12:28:08,799 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 12:28:08,799 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:28:08,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-21 12:28:08,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:08,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-21 12:28:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-21 12:28:09,021 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:28:09,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308631004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:28:09,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:28:09,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-21 12:28:09,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174492322] [2024-11-21 12:28:09,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:28:09,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 12:28:09,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:28:09,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 12:28:09,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-21 12:28:09,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:09,024 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:28:09,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:28:09,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:09,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:09,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:09,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:10,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:10,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:10,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:28:10,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 12:28:10,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:10,988 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)] === [2024-11-21 12:28:10,988 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:28:10,988 INFO L139 ounterexampleChecker]: Examining path program with hash -155663645, occurence #1 [2024-11-21 12:28:10,988 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:28:10,988 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:28:10,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:10,989 INFO L85 PathProgramCache]: Analyzing trace with hash -590639844, now seen corresponding path program 3 times [2024-11-21 12:28:10,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:28:10,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037886218] [2024-11-21 12:28:10,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:10,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:11,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:28:11,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037886218] [2024-11-21 12:28:11,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037886218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:11,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694170192] [2024-11-21 12:28:11,247 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:28:11,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:11,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:28:11,250 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) [2024-11-21 12:28:11,252 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 [2024-11-21 12:28:11,373 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-21 12:28:11,373 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:28:11,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:28:11,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:11,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-21 12:28:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-21 12:28:11,590 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:28:11,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694170192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:28:11,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:28:11,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2024-11-21 12:28:11,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138664991] [2024-11-21 12:28:11,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:28:11,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-21 12:28:11,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:28:11,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-21 12:28:11,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-21 12:28:11,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:11,593 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:28:11,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 9 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:28:11,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:11,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:11,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:11,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-11-21 12:28:11,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:14,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:14,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:14,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:14,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:14,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:14,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 12:28:14,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:14,357 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)] === [2024-11-21 12:28:14,357 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:28:14,357 INFO L139 ounterexampleChecker]: Examining path program with hash 206604512, occurence #1 [2024-11-21 12:28:14,357 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:28:14,357 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:28:14,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:14,357 INFO L85 PathProgramCache]: Analyzing trace with hash 998169976, now seen corresponding path program 4 times [2024-11-21 12:28:14,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:28:14,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119328736] [2024-11-21 12:28:14,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:14,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:14,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:14,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:28:14,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119328736] [2024-11-21 12:28:14,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119328736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:14,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735258582] [2024-11-21 12:28:14,618 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 12:28:14,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:14,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:28:14,621 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) [2024-11-21 12:28:14,623 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 [2024-11-21 12:28:14,742 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 12:28:14,743 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:28:14,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 12:28:14,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:15,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 12:28:15,070 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:28:15,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735258582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:28:15,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:28:15,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 19 [2024-11-21 12:28:15,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399543322] [2024-11-21 12:28:15,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:28:15,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-21 12:28:15,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:28:15,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-21 12:28:15,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-21 12:28:15,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:15,072 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:28:15,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.333333333333334) internal successors, (112), 12 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:28:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:15,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:15,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:15,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:15,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:15,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:18,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:28:18,492 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 [2024-11-21 12:28:18,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-21 12:28:18,681 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)] === [2024-11-21 12:28:18,681 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:28:18,681 INFO L139 ounterexampleChecker]: Examining path program with hash -2141513754, occurence #1 [2024-11-21 12:28:18,681 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:28:18,681 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:28:18,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:18,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1483923248, now seen corresponding path program 5 times [2024-11-21 12:28:18,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:28:18,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79129408] [2024-11-21 12:28:18,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:18,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:19,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:28:19,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79129408] [2024-11-21 12:28:19,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79129408] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:19,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472532896] [2024-11-21 12:28:19,335 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 12:28:19,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:19,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:28:19,337 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) [2024-11-21 12:28:19,338 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 [2024-11-21 12:28:19,461 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-21 12:28:19,461 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:28:19,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 12:28:19,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 12:28:19,725 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:28:19,926 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 12:28:19,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472532896] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:28:19,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:28:19,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 9, 9] total 36 [2024-11-21 12:28:19,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089691838] [2024-11-21 12:28:19,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:28:19,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-21 12:28:19,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:28:19,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-21 12:28:19,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1076, Unknown=0, NotChecked=0, Total=1260 [2024-11-21 12:28:19,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:19,929 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:28:19,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.111111111111111) internal successors, (256), 36 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:28:19,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:19,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:19,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:19,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:19,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:19,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:28:19,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:21,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:21,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:21,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:21,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:21,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:21,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:28:21,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:21,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 12:28:21,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-21 12:28:21,791 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)] === [2024-11-21 12:28:21,791 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:28:21,792 INFO L139 ounterexampleChecker]: Examining path program with hash -2141513754, occurence #2 [2024-11-21 12:28:21,792 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:28:21,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 12:28:21,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:21,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 12:28:21,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:21,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 12:28:21,792 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:21,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-11-21 12:28:21,792 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:21,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 12:28:21,792 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:21,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 12:28:21,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:21,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2024-11-21 12:28:21,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-11-21 12:28:21,853 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 12:28:21,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-21 12:28:21,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:21,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1166497897, now seen corresponding path program 1 times [2024-11-21 12:28:21,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:28:21,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701948306] [2024-11-21 12:28:21,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:21,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:22,101 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:28:22,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701948306] [2024-11-21 12:28:22,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701948306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:22,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2106678973] [2024-11-21 12:28:22,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:22,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:22,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 12:28:22,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:22,420 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:22,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2106678973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:22,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:28:22,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2024-11-21 12:28:22,421 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:28:22,421 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-11-21 12:28:22,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-11-21 12:28:22,527 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 12:28:22,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-21 12:28:22,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:22,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1649499909, now seen corresponding path program 1 times [2024-11-21 12:28:22,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:28:22,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875542444] [2024-11-21 12:28:22,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:22,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:22,770 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:28:22,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875542444] [2024-11-21 12:28:22,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875542444] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:22,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2032926185] [2024-11-21 12:28:22,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:22,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:22,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 12:28:22,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:23,072 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:23,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2032926185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:23,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:28:23,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2024-11-21 12:28:23,072 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:28:23,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-11-21 12:28:23,073 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:23,073 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:28:23,073 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:28:23,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:23,073 INFO L85 PathProgramCache]: Analyzing trace with hash -208360412, now seen corresponding path program 6 times [2024-11-21 12:28:23,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:28:23,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629967102] [2024-11-21 12:28:23,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:23,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:23,285 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:23,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:28:23,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629967102] [2024-11-21 12:28:23,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629967102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:23,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585727098] [2024-11-21 12:28:23,286 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-21 12:28:23,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:23,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:28:23,289 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) [2024-11-21 12:28:23,290 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 [2024-11-21 12:28:23,410 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-21 12:28:23,411 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:28:23,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 12:28:23,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:23,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-21 12:28:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-21 12:28:23,764 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:28:23,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585727098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:28:23,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:28:23,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [11] total 21 [2024-11-21 12:28:23,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771967547] [2024-11-21 12:28:23,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:28:23,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-21 12:28:23,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:28:23,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-21 12:28:23,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2024-11-21 12:28:23,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:23,766 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:28:23,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:28:23,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:23,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:23,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:23,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:23,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:23,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:28:23,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:23,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:28:27,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:27,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 12:28:27,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 12:28:27,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-11-21 12:28:27,708 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)] === [2024-11-21 12:28:27,708 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:28:27,709 INFO L139 ounterexampleChecker]: Examining path program with hash -1687121415, occurence #1 [2024-11-21 12:28:27,709 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:28:27,709 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:28:27,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:27,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1664548542, now seen corresponding path program 7 times [2024-11-21 12:28:27,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:28:27,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760308620] [2024-11-21 12:28:27,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:27,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:27,953 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:27,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:28:27,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760308620] [2024-11-21 12:28:27,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760308620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:27,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353936521] [2024-11-21 12:28:27,953 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-21 12:28:27,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:28:27,956 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) [2024-11-21 12:28:27,958 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 [2024-11-21 12:28:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:28,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-21 12:28:28,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:28,336 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:28,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:28:28,522 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:28,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353936521] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:28:28,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:28:28,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2024-11-21 12:28:28,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930076030] [2024-11-21 12:28:28,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:28:28,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-21 12:28:28,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:28:28,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-21 12:28:28,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=546, Unknown=0, NotChecked=0, Total=702 [2024-11-21 12:28:28,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:28,527 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:28:28,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.814814814814815) internal successors, (265), 27 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:28:28,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:28,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:28,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:28,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:28,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:28,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:28:28,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:28,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 12:28:28,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:28:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:31,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-21 12:28:31,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:28:31,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-21 12:28:31,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:31,363 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)] === [2024-11-21 12:28:31,363 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:28:31,363 INFO L139 ounterexampleChecker]: Examining path program with hash -1687121415, occurence #2 [2024-11-21 12:28:31,363 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:28:31,363 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 12:28:31,363 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:31,363 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 12:28:31,363 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:31,363 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 12:28:31,363 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:31,363 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 12:28:31,363 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:31,363 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 12:28:31,363 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:31,363 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 12:28:31,364 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:31,364 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-11-21 12:28:31,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:31,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1816827958, now seen corresponding path program 1 times [2024-11-21 12:28:31,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:28:31,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044358907] [2024-11-21 12:28:31,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:31,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 12:28:31,658 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 12:28:31,658 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 12:28:31,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-11-21 12:28:31,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-11-21 12:28:31,785 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 12:28:31,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-21 12:28:31,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:31,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1998508458, now seen corresponding path program 1 times [2024-11-21 12:28:31,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:28:31,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510026780] [2024-11-21 12:28:31,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:31,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:32,100 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:32,101 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:28:32,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510026780] [2024-11-21 12:28:32,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510026780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:32,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [535282912] [2024-11-21 12:28:32,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:32,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:32,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 12:28:32,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:32,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [535282912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:32,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:28:32,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2024-11-21 12:28:32,479 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:28:32,480 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-11-21 12:28:32,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-11-21 12:28:32,586 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 12:28:32,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-21 12:28:32,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:32,623 INFO L85 PathProgramCache]: Analyzing trace with hash -2121269544, now seen corresponding path program 1 times [2024-11-21 12:28:32,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:28:32,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213649505] [2024-11-21 12:28:32,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:32,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:32,862 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:28:32,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213649505] [2024-11-21 12:28:32,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213649505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:32,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1791743485] [2024-11-21 12:28:32,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:32,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:32,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 12:28:32,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:33,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1791743485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:33,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:28:33,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2024-11-21 12:28:33,250 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:28:33,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2024-11-21 12:28:33,250 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:33,250 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:28:33,250 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:28:33,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:33,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1709232846, now seen corresponding path program 8 times [2024-11-21 12:28:33,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:28:33,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807502474] [2024-11-21 12:28:33,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:33,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:33,687 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:33,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:28:33,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807502474] [2024-11-21 12:28:33,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807502474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:33,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841467376] [2024-11-21 12:28:33,688 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 12:28:33,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:33,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:28:33,690 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) [2024-11-21 12:28:33,692 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 [2024-11-21 12:28:33,812 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-21 12:28:33,812 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:28:33,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 12:28:33,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:34,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-21 12:28:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-21 12:28:34,208 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 12:28:34,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841467376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 12:28:34,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 12:28:34,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [21] total 32 [2024-11-21 12:28:34,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038525379] [2024-11-21 12:28:34,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:28:34,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-21 12:28:34,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:28:34,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-21 12:28:34,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=886, Unknown=0, NotChecked=0, Total=992 [2024-11-21 12:28:34,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:34,209 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:28:34,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:28:34,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:34,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:34,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:34,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:34,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:34,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:28:34,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:34,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-21 12:28:34,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:28:34,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:28:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 12:28:38,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:28:38,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:28:38,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-21 12:28:38,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:38,448 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)] === [2024-11-21 12:28:38,449 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:28:38,449 INFO L139 ounterexampleChecker]: Examining path program with hash -2141513754, occurence #3 [2024-11-21 12:28:38,449 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 12:28:38,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 12:28:38,449 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:38,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-11-21 12:28:38,449 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:38,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 12:28:38,449 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:38,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 12:28:38,449 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:38,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 12:28:38,449 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:38,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 12:28:38,449 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 12:28:38,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-11-21 12:28:38,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-11-21 12:28:38,510 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 12:28:38,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-21 12:28:38,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:38,540 INFO L85 PathProgramCache]: Analyzing trace with hash 2037979544, now seen corresponding path program 1 times [2024-11-21 12:28:38,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:28:38,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341443969] [2024-11-21 12:28:38,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:38,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:38,747 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:38,747 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:28:38,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341443969] [2024-11-21 12:28:38,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341443969] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:38,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [593142742] [2024-11-21 12:28:38,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:38,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:38,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 12:28:38,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:39,066 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:39,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [593142742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:39,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:28:39,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2024-11-21 12:28:39,067 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:28:39,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-11-21 12:28:39,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 30 [2024-11-21 12:28:39,212 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-21 12:28:39,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-21 12:28:39,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:39,238 INFO L85 PathProgramCache]: Analyzing trace with hash -401689366, now seen corresponding path program 1 times [2024-11-21 12:28:39,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 12:28:39,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311742062] [2024-11-21 12:28:39,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:39,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:39,438 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-21 12:28:39,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311742062] [2024-11-21 12:28:39,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311742062] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:39,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [72615564] [2024-11-21 12:28:39,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:39,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:39,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-21 12:28:39,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:39,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [72615564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:39,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:28:39,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2024-11-21 12:28:39,793 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-11-21 12:28:39,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2024-11-21 12:28:39,793 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 12:28:39,793 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 12:28:39,793 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:28:39,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:39,793 INFO L85 PathProgramCache]: Analyzing trace with hash 831620278, now seen corresponding path program 9 times [2024-11-21 12:28:39,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:28:39,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188258524] [2024-11-21 12:28:39,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:39,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:40,194 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:40,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:28:40,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188258524] [2024-11-21 12:28:40,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188258524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:40,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10529016] [2024-11-21 12:28:40,195 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 12:28:40,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:40,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:28:40,197 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) [2024-11-21 12:28:40,199 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 [2024-11-21 12:28:40,348 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-21 12:28:40,348 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:28:40,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 12:28:40,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:40,706 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 12:28:40,706 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:28:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-21 12:28:40,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10529016] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:40,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-21 12:28:40,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [21, 14] total 38 [2024-11-21 12:28:40,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433100610] [2024-11-21 12:28:40,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 12:28:40,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 12:28:40,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:28:40,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 12:28:40,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1225, Unknown=0, NotChecked=0, Total=1406 [2024-11-21 12:28:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:40,893 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:28:40,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:28:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:28:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 12:28:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:28:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:28:40,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:28:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 12:28:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:28:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:28:45,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:28:45,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-21 12:28:45,323 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,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-11-21 12:28:45,323 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)] === [2024-11-21 12:28:45,323 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:28:45,323 INFO L139 ounterexampleChecker]: Examining path program with hash -2095661117, occurence #1 [2024-11-21 12:28:45,323 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:28:45,323 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:28:45,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:28:45,323 INFO L85 PathProgramCache]: Analyzing trace with hash -562305780, now seen corresponding path program 10 times [2024-11-21 12:28:45,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:28:45,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447859923] [2024-11-21 12:28:45,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:28:45,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:28:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:28:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:28:45,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:28:45,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447859923] [2024-11-21 12:28:45,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447859923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:28:45,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563712305] [2024-11-21 12:28:45,553 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 12:28:45,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:28:45,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:28:45,556 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) [2024-11-21 12:28:45,556 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 [2024-11-21 12:28:45,672 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 12:28:45,672 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:28:45,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-21 12:28:45,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:28:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 12:28:46,037 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:28:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-21 12:28:46,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563712305] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:28:46,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:28:46,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16, 8] total 33 [2024-11-21 12:28:46,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621791] [2024-11-21 12:28:46,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:28:46,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-21 12:28:46,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:28:46,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-21 12:28:46,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=913, Unknown=0, NotChecked=0, Total=1056 [2024-11-21 12:28:46,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:28:46,241 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:28:46,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 9.606060606060606) internal successors, (317), 33 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:28:46,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:28:46,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:28:46,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:46,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:28:46,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:28:46,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:28:46,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:28:46,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 12:28:46,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:28:46,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:28:46,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:28:46,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:29:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:29:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:29:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:29:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:29:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:29:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:29:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:29:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-21 12:29:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:29:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:29:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:29:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-11-21 12:29:10,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-21 12:29:10,740 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 [2024-11-21 12:29:10,740 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)] === [2024-11-21 12:29:10,740 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 12:29:10,740 INFO L139 ounterexampleChecker]: Examining path program with hash -1504250338, occurence #1 [2024-11-21 12:29:10,740 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 12:29:10,740 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 12:29:10,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 12:29:10,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1901906446, now seen corresponding path program 11 times [2024-11-21 12:29:10,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 12:29:10,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528562897] [2024-11-21 12:29:10,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 12:29:10,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 12:29:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 12:29:11,635 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 96 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 12:29:11,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 12:29:11,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528562897] [2024-11-21 12:29:11,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528562897] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 12:29:11,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034980090] [2024-11-21 12:29:11,636 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 12:29:11,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 12:29:11,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 12:29:11,640 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) [2024-11-21 12:29:11,641 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 [2024-11-21 12:29:12,153 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-11-21 12:29:12,153 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 12:29:12,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 12:29:12,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 12:29:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 179 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:29:12,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 12:29:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 179 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 12:29:13,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034980090] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 12:29:13,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 12:29:13,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 16, 16] total 63 [2024-11-21 12:29:13,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879460100] [2024-11-21 12:29:13,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 12:29:13,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-11-21 12:29:13,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 12:29:13,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-11-21 12:29:13,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=576, Invalid=3330, Unknown=0, NotChecked=0, Total=3906 [2024-11-21 12:29:13,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 12:29:13,057 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 12:29:13,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 7.190476190476191) internal successors, (453), 63 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 12:29:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 12:29:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 12:29:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:29:13,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-21 12:29:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-21 12:29:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-21 12:29:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-21 12:29:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-11-21 12:29:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:29:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-21 12:29:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 12:29:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-11-21 12:29:13,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.