./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/mult-flipped-dist.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 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 21:10:00,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 21:10:00,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 21:10:00,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 21:10:00,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 21:10:00,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 21:10:00,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 21:10:00,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 21:10:00,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 21:10:00,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 21:10:00,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 21:10:00,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 21:10:00,614 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 21:10:00,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 21:10:00,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 21:10:00,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 21:10:00,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 21:10:00,616 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 21:10:00,616 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 21:10:00,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 21:10:00,616 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 21:10:00,616 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 21:10:00,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 21:10:00,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 21:10:00,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 21:10:00,616 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 21:10:00,616 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 21:10:00,616 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 -> 7cfd33ca5f647adf12592c5e71401ab9da35a49d8f2ec6d0757ea2cc237974cc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 21:10:00,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 21:10:00,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 21:10:00,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 21:10:00,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 21:10:00,863 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 21:10:00,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2024-12-17 21:10:01,994 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3abb4c07f/5e518dd702764df099b7feff105baaef/FLAGd9c99efb2 [2024-12-17 21:10:02,217 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 21:10:02,217 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2024-12-17 21:10:02,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3abb4c07f/5e518dd702764df099b7feff105baaef/FLAGd9c99efb2 [2024-12-17 21:10:02,554 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3abb4c07f/5e518dd702764df099b7feff105baaef [2024-12-17 21:10:02,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 21:10:02,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 21:10:02,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 21:10:02,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 21:10:02,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 21:10:02,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7381f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02, skipping insertion in model container [2024-12-17 21:10:02,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 21:10:02,669 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c[2174,2187] [2024-12-17 21:10:02,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 21:10:02,681 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 21:10:02,696 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c[2174,2187] [2024-12-17 21:10:02,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 21:10:02,709 INFO L204 MainTranslator]: Completed translation [2024-12-17 21:10:02,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02 WrapperNode [2024-12-17 21:10:02,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 21:10:02,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 21:10:02,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 21:10:02,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 21:10:02,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,731 INFO L138 Inliner]: procedures = 21, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-12-17 21:10:02,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 21:10:02,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 21:10:02,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 21:10:02,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 21:10:02,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,746 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 21:10:02,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 21:10:02,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 21:10:02,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 21:10:02,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (1/1) ... [2024-12-17 21:10:02,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 21:10:02,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:10:02,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 21:10:02,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 21:10:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 21:10:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 21:10:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 21:10:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 21:10:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 21:10:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 21:10:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 21:10:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 21:10:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 21:10:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 21:10:02,794 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 21:10:02,853 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 21:10:02,855 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 21:10:02,948 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 21:10:02,949 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 21:10:03,020 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 21:10:03,020 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 21:10:03,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 09:10:03 BoogieIcfgContainer [2024-12-17 21:10:03,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 21:10:03,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 21:10:03,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 21:10:03,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 21:10:03,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 09:10:02" (1/3) ... [2024-12-17 21:10:03,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721bad58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 09:10:03, skipping insertion in model container [2024-12-17 21:10:03,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 09:10:02" (2/3) ... [2024-12-17 21:10:03,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721bad58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 09:10:03, skipping insertion in model container [2024-12-17 21:10:03,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 09:10:03" (3/3) ... [2024-12-17 21:10:03,028 INFO L128 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2024-12-17 21:10:03,038 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 21:10:03,039 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mult-flipped-dist.wvr.c that has 4 procedures, 23 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-12-17 21:10:03,039 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 21:10:03,075 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-17 21:10:03,108 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 21:10:03,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 21:10:03,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:10:03,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 21:10:03,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 21:10:03,164 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 21:10:03,176 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 21:10:03,184 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;@674e7516, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 21:10:03,184 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-17 21:10:03,391 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 21:10:03,391 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:10:03,392 INFO L139 ounterexampleChecker]: Examining path program with hash 1787239335, occurence #1 [2024-12-17 21:10:03,393 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:10:03,393 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:10:03,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:10:03,396 INFO L85 PathProgramCache]: Analyzing trace with hash 896869224, now seen corresponding path program 1 times [2024-12-17 21:10:03,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:10:03,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170642498] [2024-12-17 21:10:03,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:10:03,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:10:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:10:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:10:03,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:10:03,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170642498] [2024-12-17 21:10:03,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170642498] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 21:10:03,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 21:10:03,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 21:10:03,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040571251] [2024-12-17 21:10:03,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 21:10:03,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 21:10:03,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:10:03,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 21:10:03,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-17 21:10:03,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:10:03,727 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:10:03,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 21:10:03,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:10:03,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:10:03,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 21:10:03,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 21:10:03,819 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:10:03,819 INFO L139 ounterexampleChecker]: Examining path program with hash 1787239335, occurence #2 [2024-12-17 21:10:03,819 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:10:03,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 21:10:03,829 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:10:03,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 21:10:03,829 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:10:03,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 21:10:03,829 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:10:03,829 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 21:10:03,829 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:10:03,829 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:10:03,829 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:10:03,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:10:03,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1546251922, now seen corresponding path program 1 times [2024-12-17 21:10:03,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:10:03,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746717617] [2024-12-17 21:10:03,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:10:03,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:10:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:10:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:10:04,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:10:04,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746717617] [2024-12-17 21:10:04,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746717617] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:10:04,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757690701] [2024-12-17 21:10:04,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 21:10:04,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:10:04,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:10:04,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 21:10:04,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-17 21:10:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 21:10:04,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 21:10:04,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:10:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:10:04,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:10:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:10:04,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757690701] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:10:04,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:10:04,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 20 [2024-12-17 21:10:04,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668216586] [2024-12-17 21:10:04,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:10:04,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-17 21:10:04,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:10:04,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-17 21:10:04,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2024-12-17 21:10:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:10:04,448 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:10:04,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.65) internal successors, (53), 20 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 21:10:04,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:10:04,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:10:17,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:10:17,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-17 21:10:17,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 21:10:17,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:10:17,728 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 21:10:17,729 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:10:17,729 INFO L139 ounterexampleChecker]: Examining path program with hash 1865210532, occurence #1 [2024-12-17 21:10:17,729 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:10:17,729 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:10:17,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:10:17,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1846275120, now seen corresponding path program 2 times [2024-12-17 21:10:17,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:10:17,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235693313] [2024-12-17 21:10:17,729 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 21:10:17,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:10:17,753 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 21:10:17,753 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:10:18,079 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:10:18,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:10:18,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235693313] [2024-12-17 21:10:18,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235693313] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:10:18,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304376265] [2024-12-17 21:10:18,080 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 21:10:18,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:10:18,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:10:18,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 21:10:18,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-17 21:10:18,134 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 21:10:18,134 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:10:18,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-17 21:10:18,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:10:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:10:18,272 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:10:18,695 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:10:18,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304376265] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:10:18,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:10:18,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31 [2024-12-17 21:10:18,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017022716] [2024-12-17 21:10:18,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:10:18,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-17 21:10:18,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:10:18,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-17 21:10:18,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=750, Unknown=0, NotChecked=0, Total=930 [2024-12-17 21:10:18,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:10:18,701 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:10:18,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.129032258064516) internal successors, (66), 31 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 21:10:18,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:10:18,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-12-17 21:10:18,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:10:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:10:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-17 21:10:20,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 21:10:20,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-17 21:10:20,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:10:20,781 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 21:10:20,781 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:10:20,781 INFO L139 ounterexampleChecker]: Examining path program with hash 1865210532, occurence #2 [2024-12-17 21:10:20,781 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 21:10:20,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 21:10:20,781 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:10:20,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 21:10:20,781 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:10:20,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 21:10:20,781 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:10:20,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-17 21:10:20,781 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 21:10:20,782 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 21:10:20,782 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:10:20,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:10:20,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1714651920, now seen corresponding path program 3 times [2024-12-17 21:10:20,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:10:20,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359937492] [2024-12-17 21:10:20,782 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 21:10:20,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:10:20,883 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-12-17 21:10:20,883 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:10:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:10:22,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:10:22,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359937492] [2024-12-17 21:10:22,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359937492] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:10:22,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990355242] [2024-12-17 21:10:22,054 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 21:10:22,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:10:22,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:10:22,056 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 21:10:22,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-17 21:10:22,132 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-12-17 21:10:22,132 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:10:22,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-17 21:10:22,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:10:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:10:22,938 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:10:24,508 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 21:10:24,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990355242] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:10:24,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:10:24,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 27] total 78 [2024-12-17 21:10:24,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221350043] [2024-12-17 21:10:24,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:10:24,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-12-17 21:10:24,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:10:24,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-12-17 21:10:24,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=5407, Unknown=0, NotChecked=0, Total=6006 [2024-12-17 21:10:24,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:10:24,512 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:10:24,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 1.794871794871795) internal successors, (140), 78 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 21:10:24,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:10:24,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-12-17 21:10:24,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-17 21:10:24,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:10:41,198 WARN L286 SmtUtils]: Spent 7.39s on a formula simplification. DAG size of input: 130 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:10:45,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:11:58,707 WARN L286 SmtUtils]: Spent 15.18s on a formula simplification. DAG size of input: 134 DAG size of output: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:12:27,753 WARN L286 SmtUtils]: Spent 21.94s on a formula simplification. DAG size of input: 86 DAG size of output: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:12:50,798 WARN L286 SmtUtils]: Spent 13.22s on a formula simplification. DAG size of input: 106 DAG size of output: 82 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:13:10,680 WARN L286 SmtUtils]: Spent 11.57s on a formula simplification. DAG size of input: 126 DAG size of output: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:13:41,217 WARN L286 SmtUtils]: Spent 16.37s on a formula simplification. DAG size of input: 120 DAG size of output: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:13:55,359 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 117 DAG size of output: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:14:39,217 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 111 DAG size of output: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:15:07,300 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 97 DAG size of output: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:15:39,814 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 91 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:18:17,188 WARN L286 SmtUtils]: Spent 11.42s on a formula simplification. DAG size of input: 102 DAG size of output: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:19:14,942 WARN L286 SmtUtils]: Spent 45.48s on a formula simplification. DAG size of input: 100 DAG size of output: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:19:23,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:19:25,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:19:27,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:19:28,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:19:30,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:20:19,994 WARN L286 SmtUtils]: Spent 31.10s on a formula simplification. DAG size of input: 95 DAG size of output: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:20:22,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:20:29,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:20:31,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:20:32,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:20:34,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:20:35,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:20:37,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:20:39,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:21:19,463 WARN L286 SmtUtils]: Spent 26.04s on a formula simplification. DAG size of input: 93 DAG size of output: 82 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:21:46,757 WARN L286 SmtUtils]: Spent 14.76s on a formula simplification. DAG size of input: 71 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-17 21:22:16,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-17 21:23:35,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:23:35,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-17 21:23:35,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-17 21:23:35,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-12-17 21:23:35,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-17 21:23:35,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:23:35,412 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 21:23:35,412 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 21:23:35,412 INFO L139 ounterexampleChecker]: Examining path program with hash 1143542712, occurence #1 [2024-12-17 21:23:35,412 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 21:23:35,412 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 21:23:35,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 21:23:35,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1434499037, now seen corresponding path program 4 times [2024-12-17 21:23:35,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 21:23:35,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628252562] [2024-12-17 21:23:35,413 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 21:23:35,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 21:23:35,757 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 21:23:35,757 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:23:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 46 proven. 903 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 21:23:38,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 21:23:38,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628252562] [2024-12-17 21:23:38,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628252562] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 21:23:38,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115011724] [2024-12-17 21:23:38,975 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 21:23:38,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 21:23:38,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 21:23:38,979 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 21:23:38,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-17 21:23:39,083 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 21:23:39,084 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 21:23:39,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-12-17 21:23:39,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 21:23:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 13 proven. 782 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-12-17 21:23:39,471 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 21:23:44,255 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 13 proven. 782 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-12-17 21:23:44,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115011724] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 21:23:44,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 21:23:44,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 51, 51] total 114 [2024-12-17 21:23:44,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970171332] [2024-12-17 21:23:44,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 21:23:44,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-12-17 21:23:44,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 21:23:44,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-12-17 21:23:44,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2041, Invalid=10841, Unknown=0, NotChecked=0, Total=12882 [2024-12-17 21:23:44,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:23:44,261 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 21:23:44,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 1.736842105263158) internal successors, (198), 114 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 21:23:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 21:23:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-12-17 21:23:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-17 21:23:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 249 states. [2024-12-17 21:23:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 21:23:51,696 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (mod (+ c_thread1Thread1of1ForFork2_~i~0 2) 4294967296)) (.cse9 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 11) 4294967296) 1)) (.cse5 (mod (+ c_thread1Thread1of1ForFork2_~i~0 13) 4294967296)) (.cse18 (mod (+ c_thread1Thread1of1ForFork2_~i~0 9) 4294967296)) (.cse8 (mod (+ c_thread1Thread1of1ForFork2_~i~0 11) 4294967296)) (.cse21 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 12) 4294967296) 1)) (.cse20 (mod (+ c_thread1Thread1of1ForFork2_~i~0 12) 4294967296)) (.cse6 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 13) 4294967296) 1)) (.cse7 (mod c_thread1Thread1of1ForFork2_~i~0 4294967296)) (.cse25 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 1) 4294967296) 1)) (.cse2 (mod (+ c_thread1Thread1of1ForFork2_~i~0 15) 4294967296)) (.cse27 (+ (mod (+ 19 c_thread2Thread1of1ForFork0_~i~1) 4294967296) 1)) (.cse12 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 5) 4294967296) 1)) (.cse35 (mod (+ c_thread1Thread1of1ForFork2_~i~0 18) 4294967296)) (.cse16 (mod (+ c_thread1Thread1of1ForFork2_~i~0 21) 4294967296)) (.cse24 (mod (+ c_thread1Thread1of1ForFork2_~i~0 1) 4294967296)) (.cse1 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 2) 4294967296) 1)) (.cse22 (+ (mod (+ 23 c_thread2Thread1of1ForFork0_~i~1) 4294967296) 1)) (.cse10 (mod (+ c_thread1Thread1of1ForFork2_~i~0 10) 4294967296)) (.cse23 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 10) 4294967296) 1)) (.cse28 (mod (+ c_thread1Thread1of1ForFork2_~i~0 20) 4294967296)) (.cse40 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 21) 4294967296) 1)) (.cse26 (mod (+ 19 c_thread1Thread1of1ForFork2_~i~0) 4294967296)) (.cse29 (+ 1 (mod (+ c_thread2Thread1of1ForFork0_~i~1 20) 4294967296))) (.cse14 (mod (+ c_thread1Thread1of1ForFork2_~i~0 8) 4294967296)) (.cse19 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 9) 4294967296) 1)) (.cse41 (mod (+ c_thread1Thread1of1ForFork2_~i~0 22) 4294967296)) (.cse17 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 22) 4294967296) 1)) (.cse13 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 14) 4294967296) 1)) (.cse38 (mod (+ c_thread1Thread1of1ForFork2_~i~0 4) 4294967296)) (.cse31 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 4) 4294967296) 1)) (.cse30 (mod (+ c_thread1Thread1of1ForFork2_~i~0 3) 4294967296)) (.cse4 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 3) 4294967296) 1)) (.cse11 (mod (+ 5 c_thread1Thread1of1ForFork2_~i~0) 4294967296)) (.cse37 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 6) 4294967296) 1)) (.cse44 (mod (+ c_thread1Thread1of1ForFork2_~i~0 14) 4294967296)) (.cse32 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 15) 4294967296) 1)) (.cse39 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 18) 4294967296) 1)) (.cse45 (mod (+ c_thread1Thread1of1ForFork2_~i~0 17) 4294967296)) (.cse34 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 17) 4294967296) 1)) (.cse36 (mod (+ c_thread1Thread1of1ForFork2_~i~0 6) 4294967296)) (.cse43 (+ (mod (+ 7 c_thread2Thread1of1ForFork0_~i~1) 4294967296) 1)) (.cse42 (mod (+ 7 c_thread1Thread1of1ForFork2_~i~0) 4294967296)) (.cse15 (+ 1 (mod (+ c_thread2Thread1of1ForFork0_~i~1 8) 4294967296))) (.cse33 (mod (+ c_thread1Thread1of1ForFork2_~i~0 16) 4294967296)) (.cse3 (+ (mod (+ c_thread2Thread1of1ForFork0_~i~1 16) 4294967296) 1))) (and (< .cse0 .cse1) (< .cse2 .cse3) (< .cse0 .cse4) (< .cse5 .cse6) (< .cse7 (+ (mod c_thread2Thread1of1ForFork0_~i~1 4294967296) 1)) (< .cse8 .cse9) (< .cse10 .cse9) (< .cse11 .cse12) (< .cse5 .cse13) (< .cse14 .cse15) (< .cse16 .cse17) (< .cse18 .cse19) (< .cse20 .cse21) (< (mod (+ 23 c_thread1Thread1of1ForFork2_~i~0) 4294967296) .cse22) (< .cse18 .cse23) (< .cse8 .cse21) (< .cse24 .cse25) (< .cse20 .cse6) (< .cse26 .cse27) (< .cse28 .cse29) (< .cse7 .cse25) (< .cse30 .cse31) (< .cse2 .cse32) (< .cse33 .cse34) (< .cse35 .cse27) (< .cse36 .cse37) (< .cse38 .cse12) (< .cse35 .cse39) (< .cse16 .cse40) (< .cse24 .cse1) (< .cse41 .cse22) (< .cse10 .cse23) (< .cse28 .cse40) (< .cse26 .cse29) (< .cse42 .cse43) (< .cse14 .cse19) (< .cse41 .cse17) (< .cse44 .cse13) (< .cse38 .cse31) (< .cse30 .cse4) (< .cse11 .cse37) (< .cse44 .cse32) (< .cse45 .cse39) (< .cse45 .cse34) (< .cse36 .cse43) (< .cse42 .cse15) (< .cse33 .cse3))) is different from false Killed by 15