./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --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-channel-sum.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 bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670 --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 15:48:57,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 15:48:57,610 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 15:48:57,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 15:48:57,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 15:48:57,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 15:48:57,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 15:48:57,653 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 15:48:57,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 15:48:57,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 15:48:57,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 15:48:57,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 15:48:57,654 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 15:48:57,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 15:48:57,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 15:48:57,655 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 15:48:57,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 15:48:57,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 15:48:57,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 15:48:57,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 15:48:57,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 15:48:57,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 15:48:57,657 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 15:48:57,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 15:48:57,657 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 15:48:57,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 15:48:57,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 15:48:57,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 15:48:57,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 15:48:57,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 15:48:57,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:48:57,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 15:48:57,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 15:48:57,658 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 15:48:57,659 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 15:48:57,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 15:48:57,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 15:48:57,659 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 15:48:57,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 15:48:57,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 15:48:57,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 15:48:57,659 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 15:48:57,659 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 15:48:57,659 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 -> bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-11-21 15:48:57,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 15:48:57,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 15:48:57,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 15:48:57,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 15:48:57,934 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 15:48:57,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2024-11-21 15:48:59,173 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6324aaf42/22d074a74d5c4970adda30c39d3a0a66/FLAG46b0e92b9 [2024-11-21 15:48:59,410 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 15:48:59,411 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2024-11-21 15:48:59,416 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6324aaf42/22d074a74d5c4970adda30c39d3a0a66/FLAG46b0e92b9 [2024-11-21 15:48:59,760 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6324aaf42/22d074a74d5c4970adda30c39d3a0a66 [2024-11-21 15:48:59,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 15:48:59,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 15:48:59,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 15:48:59,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 15:48:59,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 15:48:59,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:48:59,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db6273f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59, skipping insertion in model container [2024-11-21 15:48:59,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:48:59,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 15:48:59,896 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-channel-sum.wvr.c[2423,2436] [2024-11-21 15:48:59,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:48:59,912 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 15:48:59,927 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-channel-sum.wvr.c[2423,2436] [2024-11-21 15:48:59,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 15:48:59,946 INFO L204 MainTranslator]: Completed translation [2024-11-21 15:48:59,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59 WrapperNode [2024-11-21 15:48:59,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 15:48:59,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 15:48:59,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 15:48:59,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 15:48:59,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:48:59,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:48:59,978 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 132 [2024-11-21 15:48:59,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 15:48:59,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 15:48:59,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 15:48:59,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 15:48:59,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:48:59,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:48:59,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:48:59,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:48:59,996 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:49:00,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:49:00,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:49:00,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:49:00,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:49:00,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 15:49:00,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 15:49:00,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 15:49:00,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 15:49:00,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (1/1) ... [2024-11-21 15:49:00,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 15:49:00,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:49:00,036 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 15:49:00,038 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 15:49:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 15:49:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 15:49:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 15:49:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 15:49:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 15:49:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 15:49:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 15:49:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 15:49:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 15:49:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 15:49:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 15:49:00,059 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 15:49:00,139 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 15:49:00,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 15:49:00,308 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 15:49:00,308 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 15:49:00,448 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 15:49:00,448 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-21 15:49:00,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:49:00 BoogieIcfgContainer [2024-11-21 15:49:00,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 15:49:00,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 15:49:00,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 15:49:00,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 15:49:00,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 03:48:59" (1/3) ... [2024-11-21 15:49:00,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211998a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:49:00, skipping insertion in model container [2024-11-21 15:49:00,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 03:48:59" (2/3) ... [2024-11-21 15:49:00,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211998a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 03:49:00, skipping insertion in model container [2024-11-21 15:49:00,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:49:00" (3/3) ... [2024-11-21 15:49:00,455 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-channel-sum.wvr.c [2024-11-21 15:49:00,465 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 15:49:00,466 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-channel-sum.wvr.c that has 3 procedures, 32 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-21 15:49:00,467 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 15:49:00,508 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-21 15:49:00,548 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:49:00,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 15:49:00,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:49:00,551 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 15:49:00,552 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 15:49:00,606 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 15:49:00,617 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 15:49:00,623 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;@5a57599f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 15:49:00,623 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-21 15:49:00,797 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:49:00,798 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:49:00,798 INFO L139 ounterexampleChecker]: Examining path program with hash -1336814724, occurence #1 [2024-11-21 15:49:00,798 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:49:00,798 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:49:00,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:00,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1416220012, now seen corresponding path program 1 times [2024-11-21 15:49:00,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:49:00,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013015163] [2024-11-21 15:49:00,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:00,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:00,919 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 15:49:00,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:49:00,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013015163] [2024-11-21 15:49:00,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013015163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:49:00,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:49:00,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 15:49:00,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842807160] [2024-11-21 15:49:00,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:49:00,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 15:49:00,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:49:00,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 15:49:00,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 15:49:00,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:00,945 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:49:00,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 15:49:00,945 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:00,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:00,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 15:49:00,973 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:49:00,973 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:49:00,973 INFO L139 ounterexampleChecker]: Examining path program with hash 103784074, occurence #1 [2024-11-21 15:49:00,973 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:49:00,973 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:49:00,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:00,974 INFO L85 PathProgramCache]: Analyzing trace with hash 982306640, now seen corresponding path program 1 times [2024-11-21 15:49:00,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:49:00,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274647078] [2024-11-21 15:49:00,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:00,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:01,141 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 15:49:01,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:49:01,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274647078] [2024-11-21 15:49:01,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274647078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:49:01,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:49:01,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 15:49:01,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656653549] [2024-11-21 15:49:01,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:49:01,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 15:49:01,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:49:01,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 15:49:01,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 15:49:01,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:01,147 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:49:01,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 15:49:01,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:01,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:01,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:01,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:01,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 15:49:01,229 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:49:01,229 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:49:01,229 INFO L139 ounterexampleChecker]: Examining path program with hash 932887066, occurence #1 [2024-11-21 15:49:01,229 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:49:01,229 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:49:01,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:01,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1940695829, now seen corresponding path program 1 times [2024-11-21 15:49:01,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:49:01,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194230919] [2024-11-21 15:49:01,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:01,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:01,320 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 15:49:01,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:49:01,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194230919] [2024-11-21 15:49:01,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194230919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:49:01,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:49:01,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 15:49:01,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990295325] [2024-11-21 15:49:01,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:49:01,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 15:49:01,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:49:01,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 15:49:01,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 15:49:01,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:01,325 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:49:01,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 15:49:01,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:01,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:01,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:01,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:01,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 15:49:01,431 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:49:01,431 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:49:01,431 INFO L139 ounterexampleChecker]: Examining path program with hash -1733282956, occurence #1 [2024-11-21 15:49:01,431 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:49:01,431 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:49:01,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:01,432 INFO L85 PathProgramCache]: Analyzing trace with hash -35418830, now seen corresponding path program 1 times [2024-11-21 15:49:01,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:49:01,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844472681] [2024-11-21 15:49:01,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:01,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:49:01,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:49:01,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844472681] [2024-11-21 15:49:01,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844472681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:49:01,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:49:01,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 15:49:01,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336033278] [2024-11-21 15:49:01,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:49:01,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:49:01,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:49:01,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:49:01,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:49:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:01,558 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:49:01,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 15:49:01,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:01,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:01,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:01,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:01,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:01,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:01,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:01,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:01,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-21 15:49:01,604 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:49:01,604 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:49:01,604 INFO L139 ounterexampleChecker]: Examining path program with hash -1733282956, occurence #2 [2024-11-21 15:49:01,604 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:49:01,604 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:49:01,605 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:01,605 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 15:49:01,605 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:01,605 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 15:49:01,605 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:01,605 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 15:49:01,614 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:49:01,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 15:49:01,614 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:49:01,614 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 15:49:01,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:01,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1561187955, now seen corresponding path program 1 times [2024-11-21 15:49:01,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:49:01,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554302288] [2024-11-21 15:49:01,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:01,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:49:01,650 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:49:01,651 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:49:01,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 15:49:01,651 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:01,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 15:49:01,651 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:49:01,651 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:49:01,651 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:49:01,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:01,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1985059268, now seen corresponding path program 1 times [2024-11-21 15:49:01,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:49:01,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915910983] [2024-11-21 15:49:01,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:01,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:49:02,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:49:02,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915910983] [2024-11-21 15:49:02,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915910983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:49:02,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440202381] [2024-11-21 15:49:02,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:02,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:49:02,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:49:02,213 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 15:49:02,218 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 15:49:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:02,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-21 15:49:02,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:49:02,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2024-11-21 15:49:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:49:02,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:49:02,982 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 61 treesize of output 55 [2024-11-21 15:49:02,991 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:49:02,992 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 78 treesize of output 68 [2024-11-21 15:49:03,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:49:03,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440202381] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:49:03,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:49:03,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 25 [2024-11-21 15:49:03,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096404318] [2024-11-21 15:49:03,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:49:03,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-21 15:49:03,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:49:03,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-21 15:49:03,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2024-11-21 15:49:03,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:03,127 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:49:03,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8076923076923075) internal successors, (73), 25 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:49:03,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:03,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:03,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:03,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:03,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:03,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:03,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:03,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:03,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:03,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:49:03,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-21 15:49:03,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-21 15:49:03,926 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:49:03,927 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:49:03,930 INFO L139 ounterexampleChecker]: Examining path program with hash -1733282956, occurence #3 [2024-11-21 15:49:03,930 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:49:03,930 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:49:03,930 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:03,931 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 15:49:03,931 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:03,931 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 15:49:03,931 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:03,931 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-21 15:49:03,931 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:49:03,931 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-21 15:49:03,931 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:49:03,931 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 15:49:03,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:03,950 INFO L85 PathProgramCache]: Analyzing trace with hash -909983332, now seen corresponding path program 1 times [2024-11-21 15:49:03,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:49:03,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855462474] [2024-11-21 15:49:03,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:03,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:49:03,971 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:49:03,971 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:49:03,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 15:49:03,972 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:03,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 15:49:03,972 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:49:03,972 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:49:03,972 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:49:03,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:03,973 INFO L85 PathProgramCache]: Analyzing trace with hash 2000596594, now seen corresponding path program 2 times [2024-11-21 15:49:03,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:49:03,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835938513] [2024-11-21 15:49:03,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:03,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:49:04,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:49:04,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835938513] [2024-11-21 15:49:04,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835938513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:49:04,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970880356] [2024-11-21 15:49:04,729 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:49:04,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:49:04,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:49:04,732 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 15:49:04,736 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 15:49:04,820 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:49:04,821 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:49:04,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-21 15:49:04,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:49:04,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:49:04,967 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:49:05,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:49:05,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2024-11-21 15:49:05,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 15:49:05,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970880356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:49:05,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:49:05,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 6] total 20 [2024-11-21 15:49:05,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695521686] [2024-11-21 15:49:05,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:49:05,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-21 15:49:05,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:49:05,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-21 15:49:05,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2024-11-21 15:49:05,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:05,166 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:49:05,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.619047619047619) internal successors, (76), 20 states have internal predecessors, (76), 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 15:49:05,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:05,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:05,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:05,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:05,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:49:05,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:05,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:05,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:05,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:05,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:05,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:49:05,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:49:05,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-21 15:49:05,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:49:05,808 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:49:05,808 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:49:05,808 INFO L139 ounterexampleChecker]: Examining path program with hash -904179964, occurence #1 [2024-11-21 15:49:05,808 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:49:05,808 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:49:05,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:05,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1251329983, now seen corresponding path program 3 times [2024-11-21 15:49:05,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:49:05,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170486374] [2024-11-21 15:49:05,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:05,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-21 15:49:05,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:49:05,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170486374] [2024-11-21 15:49:05,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170486374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:49:05,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:49:05,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 15:49:05,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670329251] [2024-11-21 15:49:05,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:49:05,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:49:05,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:49:05,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:49:05,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:49:05,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:05,862 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:49:05,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:49:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:49:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:49:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:49:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:49:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:05,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-21 15:49:05,921 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:49:05,921 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:49:05,921 INFO L139 ounterexampleChecker]: Examining path program with hash -1733282956, occurence #4 [2024-11-21 15:49:05,921 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:49:05,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:49:05,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:05,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 15:49:05,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:05,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 15:49:05,922 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:05,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-11-21 15:49:05,922 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:49:05,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 15:49:05,922 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:49:05,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 15:49:05,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:05,936 INFO L85 PathProgramCache]: Analyzing trace with hash 2097490649, now seen corresponding path program 1 times [2024-11-21 15:49:05,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:49:05,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391273303] [2024-11-21 15:49:05,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:05,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:49:05,946 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:49:05,946 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:49:05,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-21 15:49:05,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:05,946 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 27 is hopeless, skipping. [2024-11-21 15:49:05,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-21 15:49:05,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:05,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-21 15:49:05,946 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:49:05,946 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:49:05,946 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:49:05,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:05,947 INFO L85 PathProgramCache]: Analyzing trace with hash -676228858, now seen corresponding path program 4 times [2024-11-21 15:49:05,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:49:05,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184709371] [2024-11-21 15:49:05,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:05,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:06,057 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:49:06,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:49:06,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184709371] [2024-11-21 15:49:06,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184709371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:49:06,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 15:49:06,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 15:49:06,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757320145] [2024-11-21 15:49:06,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:49:06,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 15:49:06,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:49:06,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 15:49:06,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 15:49:06,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:06,059 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:49:06,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 15:49:06,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:06,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:06,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:06,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:06,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:49:06,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:49:06,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:06,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:49:06,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:49:06,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:06,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:06,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-11-21 15:49:06,158 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:49:06,158 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:49:06,158 INFO L139 ounterexampleChecker]: Examining path program with hash -1903270150, occurence #1 [2024-11-21 15:49:06,158 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:49:06,158 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:49:06,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:06,158 INFO L85 PathProgramCache]: Analyzing trace with hash 129250821, now seen corresponding path program 1 times [2024-11-21 15:49:06,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:49:06,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802736467] [2024-11-21 15:49:06,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:06,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:49:07,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:49:07,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802736467] [2024-11-21 15:49:07,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802736467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:49:07,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542189893] [2024-11-21 15:49:07,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:07,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:49:07,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:49:07,622 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 15:49:07,623 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 15:49:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:07,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-21 15:49:07,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:49:07,948 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:49:07,948 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:49:08,238 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:49:08,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 60 [2024-11-21 15:49:08,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:49:08,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542189893] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:49:08,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:49:08,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 10] total 36 [2024-11-21 15:49:08,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073603087] [2024-11-21 15:49:08,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:49:08,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-21 15:49:08,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:49:08,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-21 15:49:08,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1177, Unknown=0, NotChecked=0, Total=1332 [2024-11-21 15:49:08,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:08,329 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:49:08,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.864864864864865) internal successors, (106), 36 states have internal predecessors, (106), 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 15:49:08,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:08,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:08,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:08,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:08,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:49:08,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:49:08,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:08,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:08,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:09,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:09,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:49:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:49:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 15:49:09,553 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 15:49:09,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:49:09,745 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:49:09,745 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:49:09,745 INFO L139 ounterexampleChecker]: Examining path program with hash -1903270150, occurence #2 [2024-11-21 15:49:09,745 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 15:49:09,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 15:49:09,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:09,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 15:49:09,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:09,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 15:49:09,745 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:09,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-11-21 15:49:09,745 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:49:09,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-21 15:49:09,745 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:49:09,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 15:49:09,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:09,766 INFO L85 PathProgramCache]: Analyzing trace with hash 839903346, now seen corresponding path program 1 times [2024-11-21 15:49:09,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:49:09,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010673821] [2024-11-21 15:49:09,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:09,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:49:09,779 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:49:09,779 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:49:09,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-11-21 15:49:09,779 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:09,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-21 15:49:09,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:09,792 INFO L85 PathProgramCache]: Analyzing trace with hash 356523126, now seen corresponding path program 1 times [2024-11-21 15:49:09,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-21 15:49:09,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134899716] [2024-11-21 15:49:09,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:09,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 15:49:09,809 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-11-21 15:49:09,809 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-11-21 15:49:09,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 15:49:09,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:09,809 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 37 is hopeless, skipping. [2024-11-21 15:49:09,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-11-21 15:49:09,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 15:49:09,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-21 15:49:09,809 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 15:49:09,809 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 15:49:09,809 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:49:09,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:09,810 INFO L85 PathProgramCache]: Analyzing trace with hash 981201747, now seen corresponding path program 2 times [2024-11-21 15:49:09,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:49:09,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419882819] [2024-11-21 15:49:09,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:09,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 15:49:12,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:49:12,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419882819] [2024-11-21 15:49:12,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419882819] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:49:12,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862795522] [2024-11-21 15:49:12,527 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 15:49:12,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:49:12,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:49:12,529 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 15:49:12,530 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 15:49:12,617 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 15:49:12,617 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:49:12,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-21 15:49:12,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:49:13,341 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 26 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 15:49:13,341 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 15:49:13,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-21 15:49:13,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 108 treesize of output 114 [2024-11-21 15:49:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-21 15:49:14,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862795522] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 15:49:14,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 15:49:14,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 19, 16] total 54 [2024-11-21 15:49:14,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529053040] [2024-11-21 15:49:14,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 15:49:14,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-21 15:49:14,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:49:14,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-21 15:49:14,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=2647, Unknown=0, NotChecked=0, Total=2970 [2024-11-21 15:49:14,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:14,045 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:49:14,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 2.418181818181818) internal successors, (133), 54 states have internal predecessors, (133), 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 15:49:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:49:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:49:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:14,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:14,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-11-21 15:49:14,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:49:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:49:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:49:17,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:49:17,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 15:49:17,613 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,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-11-21 15:49:17,614 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 15:49:17,614 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 15:49:17,614 INFO L139 ounterexampleChecker]: Examining path program with hash 777021524, occurence #1 [2024-11-21 15:49:17,614 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 15:49:17,614 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 15:49:17,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 15:49:17,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1193778186, now seen corresponding path program 3 times [2024-11-21 15:49:17,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 15:49:17,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679183552] [2024-11-21 15:49:17,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 15:49:17,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 15:49:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 15:49:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 45 proven. 61 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-21 15:49:17,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 15:49:17,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679183552] [2024-11-21 15:49:17,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679183552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 15:49:17,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687858415] [2024-11-21 15:49:17,985 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 15:49:17,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 15:49:17,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 15:49:17,987 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 15:49:17,991 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 15:49:18,148 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-21 15:49:18,148 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 15:49:18,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 15:49:18,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 15:49:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-21 15:49:18,268 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 15:49:18,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687858415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 15:49:18,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 15:49:18,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 20 [2024-11-21 15:49:18,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171381523] [2024-11-21 15:49:18,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 15:49:18,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 15:49:18,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 15:49:18,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 15:49:18,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2024-11-21 15:49:18,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:18,270 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 15:49:18,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 15:49:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-21 15:49:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-21 15:49:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-11-21 15:49:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-11-21 15:49:18,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:28,066 WARN L331 ript$VariableManager]: TermVariable v_subst_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-11-21 15:49:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 15:49:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 15:49:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-21 15:49:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-21 15:49:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 15:49:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-21 15:49:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-11-21 15:49:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-21 15:49:28,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-21 15:49:28,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-21 15:49:28,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-21 15:49:28,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-21 15:49:28,713 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,SelfDestructingSolverStorable15 [2024-11-21 15:49:28,717 INFO L422 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1] [2024-11-21 15:49:28,718 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-21 15:49:28,718 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 15:49:28,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-21 15:49:28,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 03:49:28 BasicIcfg [2024-11-21 15:49:28,733 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 15:49:28,733 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 15:49:28,733 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 15:49:28,733 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 15:49:28,734 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 03:49:00" (3/4) ... [2024-11-21 15:49:28,736 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-21 15:49:28,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-21 15:49:28,738 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-21 15:49:28,741 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2024-11-21 15:49:28,742 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-21 15:49:28,743 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-21 15:49:28,743 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-21 15:49:28,799 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-11-21 15:49:28,800 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2024-11-21 15:49:28,801 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 15:49:28,802 INFO L158 Benchmark]: Toolchain (without parser) took 29036.64ms. Allocated memory was 117.4MB in the beginning and 612.4MB in the end (delta: 494.9MB). Free memory was 91.6MB in the beginning and 451.1MB in the end (delta: -359.4MB). Peak memory consumption was 133.1MB. Max. memory is 16.1GB. [2024-11-21 15:49:28,802 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 15:49:28,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.40ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 79.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 15:49:28,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.23ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 15:49:28,803 INFO L158 Benchmark]: Boogie Preprocessor took 30.21ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 15:49:28,803 INFO L158 Benchmark]: RCFGBuilder took 436.82ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 89.3MB in the end (delta: -12.5MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2024-11-21 15:49:28,803 INFO L158 Benchmark]: TraceAbstraction took 28282.80ms. Allocated memory was 117.4MB in the beginning and 612.4MB in the end (delta: 494.9MB). Free memory was 88.8MB in the beginning and 455.5MB in the end (delta: -366.7MB). Peak memory consumption was 128.7MB. Max. memory is 16.1GB. [2024-11-21 15:49:28,804 INFO L158 Benchmark]: Witness Printer took 67.38ms. Allocated memory is still 612.4MB. Free memory was 455.5MB in the beginning and 451.1MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 15:49:28,805 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.40ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 79.5MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.23ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.21ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.82ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 89.3MB in the end (delta: -12.5MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * TraceAbstraction took 28282.80ms. Allocated memory was 117.4MB in the beginning and 612.4MB in the end (delta: 494.9MB). Free memory was 88.8MB in the beginning and 455.5MB in the end (delta: -366.7MB). Peak memory consumption was 128.7MB. Max. memory is 16.1GB. * Witness Printer took 67.38ms. Allocated memory is still 612.4MB. Free memory was 455.5MB in the beginning and 451.1MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6797, independent: 5391, independent conditional: 5027, independent unconditional: 364, dependent: 1406, dependent conditional: 1400, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5447, independent: 5391, independent conditional: 5027, independent unconditional: 364, dependent: 56, dependent conditional: 50, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5447, independent: 5391, independent conditional: 5027, independent unconditional: 364, dependent: 56, dependent conditional: 50, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5820, independent: 5391, independent conditional: 5027, independent unconditional: 364, dependent: 429, dependent conditional: 423, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5820, independent: 5391, independent conditional: 87, independent unconditional: 5304, dependent: 429, dependent conditional: 212, dependent unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5820, independent: 5391, independent conditional: 87, independent unconditional: 5304, dependent: 429, dependent conditional: 212, dependent unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 332, independent: 302, independent conditional: 7, independent unconditional: 295, dependent: 30, dependent conditional: 24, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 332, independent: 291, independent conditional: 0, independent unconditional: 291, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 41, independent: 11, independent conditional: 7, independent unconditional: 4, dependent: 30, dependent conditional: 24, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, independent: 11, independent conditional: 7, independent unconditional: 4, dependent: 30, dependent conditional: 24, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 568, independent: 157, independent conditional: 81, independent unconditional: 77, dependent: 410, dependent conditional: 301, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 5, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 5820, independent: 5089, independent conditional: 80, independent unconditional: 5009, dependent: 399, dependent conditional: 188, dependent unconditional: 211, unknown: 332, unknown conditional: 31, unknown unconditional: 301] , Statistics on independence cache: Total cache size (in pairs): 337, Positive cache size: 307, Positive conditional cache size: 12, Positive unconditional cache size: 295, Negative cache size: 30, Negative conditional cache size: 24, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5151, Maximal queried relation: 9, Independence queries for same thread: 1350, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 97, Number of trivial persistent sets: 78, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 370, independent: 364, independent conditional: 0, independent unconditional: 364, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6797, independent: 5391, independent conditional: 5027, independent unconditional: 364, dependent: 1406, dependent conditional: 1400, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5447, independent: 5391, independent conditional: 5027, independent unconditional: 364, dependent: 56, dependent conditional: 50, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5447, independent: 5391, independent conditional: 5027, independent unconditional: 364, dependent: 56, dependent conditional: 50, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5820, independent: 5391, independent conditional: 5027, independent unconditional: 364, dependent: 429, dependent conditional: 423, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5820, independent: 5391, independent conditional: 87, independent unconditional: 5304, dependent: 429, dependent conditional: 212, dependent unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5820, independent: 5391, independent conditional: 87, independent unconditional: 5304, dependent: 429, dependent conditional: 212, dependent unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 332, independent: 302, independent conditional: 7, independent unconditional: 295, dependent: 30, dependent conditional: 24, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 332, independent: 291, independent conditional: 0, independent unconditional: 291, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 41, independent: 11, independent conditional: 7, independent unconditional: 4, dependent: 30, dependent conditional: 24, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 41, independent: 11, independent conditional: 7, independent unconditional: 4, dependent: 30, dependent conditional: 24, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 568, independent: 157, independent conditional: 81, independent unconditional: 77, dependent: 410, dependent conditional: 301, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 5, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 5820, independent: 5089, independent conditional: 80, independent unconditional: 5009, dependent: 399, dependent conditional: 188, dependent unconditional: 211, unknown: 332, unknown conditional: 31, unknown unconditional: 301] , Statistics on independence cache: Total cache size (in pairs): 337, Positive cache size: 307, Positive conditional cache size: 12, Positive unconditional cache size: 295, Negative cache size: 30, Negative conditional cache size: 24, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5151, Maximal queried relation: 9, Independence queries for same thread: 1350 - PositiveResult [Line: 88]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 50 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 28.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 16.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 296, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 643 NumberOfCodeBlocks, 634 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 776 ConstructedInterpolants, 2 QuantifiedInterpolants, 8225 SizeOfPredicates, 64 NumberOfNonLiveVariables, 1085 ConjunctsInSsa, 137 ConjunctsInUnsatCore, 20 InterpolantComputations, 7 PerfectInterpolantSequences, 213/393 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 172, ConditionCalculationTime [ms]: 84, ConditionCalculations: 24, QuantifiedConditions: 0, TraceChecks: 5, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-21 15:49:28,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE