./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-inc.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 341ac5a9697f243416924cef7ae19a5e9bc693a5982154ab196fb2faacf237d5 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-24 03:11:21,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 03:11:21,516 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 03:11:21,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 03:11:21,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 03:11:21,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 03:11:21,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 03:11:21,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 03:11:21,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 03:11:21,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 03:11:21,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 03:11:21,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 03:11:21,534 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 03:11:21,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 03:11:21,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 03:11:21,534 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 03:11:21,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 03:11:21,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 03:11:21,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 03:11:21,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 03:11:21,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 03:11:21,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 03:11:21,535 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 03:11:21,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 03:11:21,535 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 03:11:21,535 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 03:11:21,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 03:11:21,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 03:11:21,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 03:11:21,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 03:11:21,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 03:11:21,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 03:11:21,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 03:11:21,536 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 03:11:21,536 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 03:11:21,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 03:11:21,536 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 03:11:21,536 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 03:11:21,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 03:11:21,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 03:11:21,536 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 03:11:21,536 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 03:11:21,537 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 03:11:21,537 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 -> 341ac5a9697f243416924cef7ae19a5e9bc693a5982154ab196fb2faacf237d5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-24 03:11:21,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 03:11:21,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 03:11:21,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 03:11:21,777 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 03:11:21,777 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 03:11:21,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c [2025-01-24 03:11:22,951 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5b3d21d28/d9f276b8b5ab4bcba10c0fa9e07db8c7/FLAGa93c6c35d [2025-01-24 03:11:23,148 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 03:11:23,148 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c [2025-01-24 03:11:23,154 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5b3d21d28/d9f276b8b5ab4bcba10c0fa9e07db8c7/FLAGa93c6c35d [2025-01-24 03:11:23,539 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5b3d21d28/d9f276b8b5ab4bcba10c0fa9e07db8c7 [2025-01-24 03:11:23,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 03:11:23,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 03:11:23,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 03:11:23,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 03:11:23,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 03:11:23,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d5ca820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23, skipping insertion in model container [2025-01-24 03:11:23,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 03:11:23,654 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c[2682,2695] [2025-01-24 03:11:23,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 03:11:23,664 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 03:11:23,709 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c[2682,2695] [2025-01-24 03:11:23,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 03:11:23,730 INFO L204 MainTranslator]: Completed translation [2025-01-24 03:11:23,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23 WrapperNode [2025-01-24 03:11:23,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 03:11:23,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 03:11:23,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 03:11:23,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 03:11:23,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,755 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2025-01-24 03:11:23,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 03:11:23,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 03:11:23,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 03:11:23,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 03:11:23,762 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,777 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 03:11:23,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 03:11:23,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 03:11:23,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 03:11:23,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (1/1) ... [2025-01-24 03:11:23,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 03:11:23,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:11:23,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-24 03:11:23,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-24 03:11:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 03:11:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 03:11:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 03:11:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 03:11:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 03:11:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-24 03:11:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-24 03:11:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-24 03:11:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-24 03:11:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 03:11:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-24 03:11:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 03:11:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 03:11:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 03:11:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-24 03:11:23,835 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-24 03:11:23,916 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 03:11:23,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 03:11:24,115 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 03:11:24,115 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 03:11:24,234 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 03:11:24,235 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-24 03:11:24,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:11:24 BoogieIcfgContainer [2025-01-24 03:11:24,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 03:11:24,237 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 03:11:24,237 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 03:11:24,240 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 03:11:24,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 03:11:23" (1/3) ... [2025-01-24 03:11:24,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba8bf0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:11:24, skipping insertion in model container [2025-01-24 03:11:24,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:23" (2/3) ... [2025-01-24 03:11:24,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba8bf0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:11:24, skipping insertion in model container [2025-01-24 03:11:24,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:11:24" (3/3) ... [2025-01-24 03:11:24,243 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc.wvr.c [2025-01-24 03:11:24,254 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 03:11:24,255 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-min-max-inc.wvr.c that has 5 procedures, 57 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-24 03:11:24,255 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 03:11:24,311 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-24 03:11:24,339 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 03:11:24,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 03:11:24,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:11:24,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-24 03:11:24,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-24 03:11:24,402 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 03:11:24,412 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 03:11:24,416 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;@61bc80d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 03:11:24,416 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-24 03:11:25,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 03:11:25,238 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:11:25,238 INFO L139 ounterexampleChecker]: Examining path program with hash 1779704089, occurence #1 [2025-01-24 03:11:25,238 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:11:25,238 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:11:25,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:25,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1200781243, now seen corresponding path program 1 times [2025-01-24 03:11:25,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:11:25,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669624578] [2025-01-24 03:11:25,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:25,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:25,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-24 03:11:25,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-24 03:11:25,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:25,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:25,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:11:25,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669624578] [2025-01-24 03:11:25,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669624578] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:11:25,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:11:25,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 03:11:25,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313122993] [2025-01-24 03:11:25,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:11:25,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 03:11:25,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:11:25,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 03:11:25,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 03:11:25,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:25,704 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:11:25,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:11:25,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:11:25,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 03:11:25,784 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 03:11:25,784 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:11:25,784 INFO L139 ounterexampleChecker]: Examining path program with hash 1779704089, occurence #2 [2025-01-24 03:11:25,785 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:11:25,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 03:11:25,785 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:11:25,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 03:11:25,785 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:11:25,786 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 03:11:25,794 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:11:25,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 03:11:25,795 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:11:25,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 03:11:25,795 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:11:25,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 03:11:25,795 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:11:25,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-24 03:11:25,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:25,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1227907831, now seen corresponding path program 1 times [2025-01-24 03:11:25,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 03:11:25,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87401619] [2025-01-24 03:11:25,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:25,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:25,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-24 03:11:25,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-24 03:11:25,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:25,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:26,024 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 03:11:26,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87401619] [2025-01-24 03:11:26,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87401619] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:26,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [810627908] [2025-01-24 03:11:26,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:26,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:26,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-24 03:11:26,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-24 03:11:26,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:26,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:26,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 03:11:26,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:11:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:26,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [810627908] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:26,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:11:26,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2025-01-24 03:11:26,226 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:11:26,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 03:11:26,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:26,241 INFO L85 PathProgramCache]: Analyzing trace with hash 598974560, now seen corresponding path program 1 times [2025-01-24 03:11:26,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 03:11:26,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453526545] [2025-01-24 03:11:26,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:26,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:26,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-24 03:11:26,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-24 03:11:26,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:26,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:26,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:26,426 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 03:11:26,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453526545] [2025-01-24 03:11:26,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453526545] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:26,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [800369511] [2025-01-24 03:11:26,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:26,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:26,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-24 03:11:26,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-24 03:11:26,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:26,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:26,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 03:11:26,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:11:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:26,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [800369511] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:26,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:11:26,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2025-01-24 03:11:26,591 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:11:26,591 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-24 03:11:26,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:26,606 INFO L85 PathProgramCache]: Analyzing trace with hash 653375390, now seen corresponding path program 1 times [2025-01-24 03:11:26,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 03:11:26,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59871447] [2025-01-24 03:11:26,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:26,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:26,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-24 03:11:26,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-24 03:11:26,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:26,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:26,751 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 03:11:26,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59871447] [2025-01-24 03:11:26,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59871447] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:26,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [49132356] [2025-01-24 03:11:26,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:26,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:26,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-24 03:11:26,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-24 03:11:26,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:26,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:26,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 03:11:26,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:11:26,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:26,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [49132356] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:26,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:11:26,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2025-01-24 03:11:26,899 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:11:26,899 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-24 03:11:26,899 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:11:26,899 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:11:26,899 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:11:26,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:26,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2112143963, now seen corresponding path program 1 times [2025-01-24 03:11:26,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:11:26,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777602473] [2025-01-24 03:11:26,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:26,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:26,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-24 03:11:26,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-24 03:11:26,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:26,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:27,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:27,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:11:27,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777602473] [2025-01-24 03:11:27,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777602473] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:27,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540980524] [2025-01-24 03:11:27,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:27,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:11:27,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:11:27,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 03:11:27,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-24 03:11:27,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-24 03:11:27,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-24 03:11:27,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:27,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:27,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 03:11:27,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:11:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:27,294 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:11:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:27,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540980524] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:11:27,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:11:27,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2025-01-24 03:11:27,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548861513] [2025-01-24 03:11:27,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:11:27,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-24 03:11:27,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:11:27,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-24 03:11:27,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2025-01-24 03:11:27,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:27,387 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:11:27,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.066666666666666) internal successors, (151), 15 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:11:27,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:11:27,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:27,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:11:27,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:11:27,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-24 03:11:27,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-01-24 03:11:27,730 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 03:11:27,730 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:11:27,730 INFO L139 ounterexampleChecker]: Examining path program with hash 1779704089, occurence #3 [2025-01-24 03:11:27,730 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:11:27,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 03:11:27,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:11:27,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 03:11:27,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:11:27,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 03:11:27,731 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:11:27,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 03:11:27,731 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:11:27,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 03:11:27,731 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:11:27,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 03:11:27,731 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:11:27,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 03:11:27,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:27,749 INFO L85 PathProgramCache]: Analyzing trace with hash 264601522, now seen corresponding path program 1 times [2025-01-24 03:11:27,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 03:11:27,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399447429] [2025-01-24 03:11:27,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:27,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:27,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-24 03:11:27,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-24 03:11:27,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:27,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:27,894 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 03:11:27,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399447429] [2025-01-24 03:11:27,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399447429] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:27,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [600770957] [2025-01-24 03:11:27,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:27,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:27,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-24 03:11:27,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-24 03:11:27,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:27,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:27,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 03:11:27,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:11:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:28,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [600770957] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:28,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:11:28,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2025-01-24 03:11:28,103 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:11:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-24 03:11:28,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:28,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1389380361, now seen corresponding path program 1 times [2025-01-24 03:11:28,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 03:11:28,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396749152] [2025-01-24 03:11:28,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:28,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:28,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-01-24 03:11:28,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-01-24 03:11:28,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:28,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:28,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:28,238 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 03:11:28,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396749152] [2025-01-24 03:11:28,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396749152] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:28,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1714204350] [2025-01-24 03:11:28,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:28,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:28,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-01-24 03:11:28,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-01-24 03:11:28,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:28,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:28,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 03:11:28,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:11:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:28,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1714204350] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:28,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:11:28,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2025-01-24 03:11:28,445 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:11:28,445 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-24 03:11:28,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:28,456 INFO L85 PathProgramCache]: Analyzing trace with hash -402444025, now seen corresponding path program 1 times [2025-01-24 03:11:28,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 03:11:28,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690915766] [2025-01-24 03:11:28,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:28,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:28,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-24 03:11:28,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-24 03:11:28,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:28,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:28,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:28,706 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 03:11:28,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690915766] [2025-01-24 03:11:28,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690915766] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:28,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2143948880] [2025-01-24 03:11:28,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:11:28,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:28,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-24 03:11:28,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-24 03:11:28,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:11:28,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:28,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-24 03:11:28,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:11:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:29,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2143948880] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:29,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 03:11:29,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 25 [2025-01-24 03:11:29,029 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 03:11:29,029 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-24 03:11:29,029 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:11:29,029 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 03:11:29,029 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:11:29,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:29,029 INFO L85 PathProgramCache]: Analyzing trace with hash 299617211, now seen corresponding path program 2 times [2025-01-24 03:11:29,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:11:29,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845210991] [2025-01-24 03:11:29,030 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:11:29,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:29,038 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 101 statements into 2 equivalence classes. [2025-01-24 03:11:29,044 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 99 of 101 statements. [2025-01-24 03:11:29,044 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 03:11:29,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:29,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 03:11:29,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:11:29,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845210991] [2025-01-24 03:11:29,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845210991] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:11:29,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:11:29,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-24 03:11:29,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113988327] [2025-01-24 03:11:29,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:11:29,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-24 03:11:29,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:11:29,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-24 03:11:29,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-01-24 03:11:29,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:29,192 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:11:29,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 10 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:11:29,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:11:29,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:11:29,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:11:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:11:29,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:11:29,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2025-01-24 03:11:29,582 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 03:11:29,582 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:11:29,582 INFO L139 ounterexampleChecker]: Examining path program with hash 1798715880, occurence #1 [2025-01-24 03:11:29,582 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:11:29,582 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:11:29,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:29,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1327046437, now seen corresponding path program 3 times [2025-01-24 03:11:29,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:11:29,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588000667] [2025-01-24 03:11:29,583 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:11:29,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:29,593 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 146 statements into 5 equivalence classes. [2025-01-24 03:11:29,598 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 43 of 146 statements. [2025-01-24 03:11:29,598 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-24 03:11:29,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:29,750 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-01-24 03:11:29,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:11:29,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588000667] [2025-01-24 03:11:29,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588000667] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:11:29,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:11:29,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-24 03:11:29,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786855743] [2025-01-24 03:11:29,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:11:29,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-24 03:11:29,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:11:29,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-24 03:11:29,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-24 03:11:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:29,753 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:11:29,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:11:29,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:11:29,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:11:29,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:11:29,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:31,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:11:31,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:11:31,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:11:31,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:11:31,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-24 03:11:31,023 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 03:11:31,024 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:11:31,024 INFO L139 ounterexampleChecker]: Examining path program with hash 1321039392, occurence #1 [2025-01-24 03:11:31,024 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:11:31,024 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:11:31,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:31,024 INFO L85 PathProgramCache]: Analyzing trace with hash 846562725, now seen corresponding path program 4 times [2025-01-24 03:11:31,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:11:31,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378429697] [2025-01-24 03:11:31,024 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:11:31,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:31,033 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 146 statements into 2 equivalence classes. [2025-01-24 03:11:31,038 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 132 of 146 statements. [2025-01-24 03:11:31,038 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:11:31,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:31,183 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 03:11:31,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:11:31,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378429697] [2025-01-24 03:11:31,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378429697] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:31,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178029108] [2025-01-24 03:11:31,184 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 03:11:31,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:11:31,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:11:31,185 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 03:11:31,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-24 03:11:31,238 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 146 statements into 2 equivalence classes. [2025-01-24 03:11:31,268 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 132 of 146 statements. [2025-01-24 03:11:31,268 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-24 03:11:31,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:31,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-24 03:11:31,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:11:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 64 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 03:11:31,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:11:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-24 03:11:31,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178029108] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:11:31,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:11:31,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 16, 8] total 27 [2025-01-24 03:11:31,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573925893] [2025-01-24 03:11:31,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:11:31,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-24 03:11:31,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:11:31,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-24 03:11:31,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2025-01-24 03:11:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:31,822 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:11:31,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 10.333333333333334) internal successors, (279), 27 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:11:31,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:11:31,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:11:31,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:11:31,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:11:31,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:11:45,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:11:45,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:11:45,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:11:45,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2025-01-24 03:11:45,316 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 [2025-01-24 03:11:45,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-24 03:11:45,511 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 03:11:45,511 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:11:45,512 INFO L139 ounterexampleChecker]: Examining path program with hash 1240775244, occurence #1 [2025-01-24 03:11:45,512 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:11:45,512 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:11:45,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:45,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1243473625, now seen corresponding path program 5 times [2025-01-24 03:11:45,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:11:45,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233236308] [2025-01-24 03:11:45,513 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:11:45,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:45,522 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 182 statements into 7 equivalence classes. [2025-01-24 03:11:45,556 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 182 of 182 statements. [2025-01-24 03:11:45,556 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-01-24 03:11:45,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2025-01-24 03:11:45,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:11:45,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233236308] [2025-01-24 03:11:45,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233236308] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:11:45,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366352183] [2025-01-24 03:11:45,876 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 03:11:45,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:11:45,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:11:45,878 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 03:11:45,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-24 03:11:45,936 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 182 statements into 7 equivalence classes. [2025-01-24 03:11:46,239 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 182 of 182 statements. [2025-01-24 03:11:46,239 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-01-24 03:11:46,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:46,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-24 03:11:46,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:11:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 315 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:46,538 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:11:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 315 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:11:46,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366352183] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:11:46,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:11:46,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 14, 14] total 31 [2025-01-24 03:11:46,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427747787] [2025-01-24 03:11:46,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:11:46,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-01-24 03:11:46,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:11:46,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-01-24 03:11:46,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=681, Unknown=0, NotChecked=0, Total=930 [2025-01-24 03:11:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:46,756 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:11:46,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 12.32258064516129) internal successors, (382), 31 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:11:46,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:11:46,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:11:46,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:11:46,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:11:46,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2025-01-24 03:11:46,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:54,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:11:54,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:11:54,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:11:54,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:11:54,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2025-01-24 03:11:54,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:11:54,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-24 03:11:54,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-24 03:11:54,563 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 03:11:54,563 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:11:54,564 INFO L139 ounterexampleChecker]: Examining path program with hash -9210968, occurence #1 [2025-01-24 03:11:54,564 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:11:54,564 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:11:54,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:11:54,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1196510795, now seen corresponding path program 6 times [2025-01-24 03:11:54,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:11:54,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469653665] [2025-01-24 03:11:54,564 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 03:11:54,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:11:54,584 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 343 statements into 11 equivalence classes. [2025-01-24 03:11:54,591 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 60 of 343 statements. [2025-01-24 03:11:54,591 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-01-24 03:11:54,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:11:54,770 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2025-01-24 03:11:54,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:11:54,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469653665] [2025-01-24 03:11:54,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469653665] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:11:54,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:11:54,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-24 03:11:54,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680945083] [2025-01-24 03:11:54,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:11:54,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-24 03:11:54,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:11:54,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-24 03:11:54,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-01-24 03:11:54,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:11:54,772 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:11:54,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 10 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:11:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:11:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:11:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:11:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:11:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2025-01-24 03:11:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:11:54,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:05,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:12:05,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:05,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:05,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:12:05,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2025-01-24 03:12:05,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:12:05,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:12:05,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-24 03:12:05,302 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 03:12:05,302 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:05,302 INFO L139 ounterexampleChecker]: Examining path program with hash 382202997, occurence #1 [2025-01-24 03:12:05,302 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:12:05,302 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:05,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:05,302 INFO L85 PathProgramCache]: Analyzing trace with hash -630863533, now seen corresponding path program 7 times [2025-01-24 03:12:05,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:05,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133028253] [2025-01-24 03:12:05,302 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:12:05,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:05,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 343 statements into 1 equivalence classes. [2025-01-24 03:12:05,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 343 of 343 statements. [2025-01-24 03:12:05,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:05,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:07,763 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 611 proven. 203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 03:12:07,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:07,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133028253] [2025-01-24 03:12:07,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133028253] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:07,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792258931] [2025-01-24 03:12:07,763 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 03:12:07,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:07,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 03:12:07,765 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 03:12:07,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-24 03:12:07,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 343 statements into 1 equivalence classes. [2025-01-24 03:12:07,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 343 of 343 statements. [2025-01-24 03:12:07,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:07,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:07,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-24 03:12:07,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 522 proven. 21 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2025-01-24 03:12:08,446 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 03:12:08,909 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 522 proven. 21 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2025-01-24 03:12:08,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792258931] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 03:12:08,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 03:12:08,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 17, 17] total 93 [2025-01-24 03:12:08,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335839391] [2025-01-24 03:12:08,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 03:12:08,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2025-01-24 03:12:08,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:08,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2025-01-24 03:12:08,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1391, Invalid=7165, Unknown=0, NotChecked=0, Total=8556 [2025-01-24 03:12:08,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:08,914 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:08,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 6.526881720430108) internal successors, (607), 93 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:12:08,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:12:08,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:08,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:08,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:12:08,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2025-01-24 03:12:08,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:12:08,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:12:08,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:17,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:12:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:12:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2025-01-24 03:12:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:12:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:12:17,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:12:17,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-24 03:12:18,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 03:12:18,050 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 03:12:18,050 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:18,051 INFO L139 ounterexampleChecker]: Examining path program with hash 382202997, occurence #2 [2025-01-24 03:12:18,051 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 03:12:18,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 03:12:18,051 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:18,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 03:12:18,051 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 03:12:18,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 03:12:18,051 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:18,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 03:12:18,051 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:18,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-24 03:12:18,051 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:18,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 03:12:18,051 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 03:12:18,051 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 03:12:18,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:18,086 INFO L85 PathProgramCache]: Analyzing trace with hash -2034780464, now seen corresponding path program 1 times [2025-01-24 03:12:18,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 03:12:18,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853798816] [2025-01-24 03:12:18,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:12:18,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:18,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-24 03:12:18,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-24 03:12:18,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:18,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:18,198 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-24 03:12:18,198 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 03:12:18,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853798816] [2025-01-24 03:12:18,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853798816] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 03:12:18,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1612899795] [2025-01-24 03:12:18,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 03:12:18,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:18,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-24 03:12:18,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-24 03:12:18,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 03:12:18,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:18,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-24 03:12:18,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 03:12:18,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2025-01-24 03:12:18,312 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-24 03:12:18,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1612899795] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:12:18,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-24 03:12:18,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2025-01-24 03:12:18,313 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 54. Constructing proof automaton... [2025-01-24 03:12:18,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:12:18,315 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-24 03:12:18,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-24 03:12:18,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-24 03:12:18,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-24 03:12:18,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2025-01-24 03:12:18,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:18,316 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:18,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:12:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:12:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 03:12:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2025-01-24 03:12:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:12:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-24 03:12:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:12:18,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:12:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:12:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2025-01-24 03:12:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:12:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-01-24 03:12:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:12:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:12:51,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable21 [2025-01-24 03:12:51,208 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 03:12:51,208 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:12:51,209 INFO L139 ounterexampleChecker]: Examining path program with hash 385649333, occurence #1 [2025-01-24 03:12:51,209 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:12:51,209 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:12:51,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:12:51,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1191490593, now seen corresponding path program 8 times [2025-01-24 03:12:51,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:12:51,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293090112] [2025-01-24 03:12:51,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 03:12:51,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:12:51,224 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 344 statements into 2 equivalence classes. [2025-01-24 03:12:51,228 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 60 of 344 statements. [2025-01-24 03:12:51,228 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 03:12:51,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:12:51,368 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2025-01-24 03:12:51,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:12:51,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293090112] [2025-01-24 03:12:51,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293090112] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:12:51,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:12:51,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-01-24 03:12:51,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131910740] [2025-01-24 03:12:51,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:12:51,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-24 03:12:51,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:12:51,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-24 03:12:51,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2025-01-24 03:12:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:12:51,370 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:12:51,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:12:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:12:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:12:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:12:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:12:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2025-01-24 03:12:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:12:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-01-24 03:12:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:12:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:12:51,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:13:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:13:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:13:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:13:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:13:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2025-01-24 03:13:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:13:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-01-24 03:13:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:13:38,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:13:38,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-24 03:13:38,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-01-24 03:13:38,104 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 03:13:38,104 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 03:13:38,104 INFO L139 ounterexampleChecker]: Examining path program with hash 797300615, occurence #1 [2025-01-24 03:13:38,104 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 03:13:38,104 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 03:13:38,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 03:13:38,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1974991491, now seen corresponding path program 9 times [2025-01-24 03:13:38,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 03:13:38,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427116456] [2025-01-24 03:13:38,105 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 03:13:38,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 03:13:38,126 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 344 statements into 10 equivalence classes. [2025-01-24 03:13:38,131 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 77 of 344 statements. [2025-01-24 03:13:38,131 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-24 03:13:38,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 03:13:38,330 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2025-01-24 03:13:38,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 03:13:38,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427116456] [2025-01-24 03:13:38,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427116456] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 03:13:38,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 03:13:38,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-01-24 03:13:38,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325268409] [2025-01-24 03:13:38,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 03:13:38,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-24 03:13:38,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 03:13:38,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-24 03:13:38,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-01-24 03:13:38,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 03:13:38,332 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 03:13:38,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 03:13:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 03:13:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 03:13:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 03:13:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 03:13:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2025-01-24 03:13:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 03:13:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2025-01-24 03:13:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-24 03:13:38,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-24 03:13:38,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-24 03:13:38,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.