./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --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-dec.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47814a6c2066a31334f0b50a42e69cfeb567d5dd7f02dc6c703588c90e067366 --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 04:58:17,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 04:58:17,579 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 04:58:17,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 04:58:17,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 04:58:17,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 04:58:17,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 04:58:17,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 04:58:17,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 04:58:17,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 04:58:17,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 04:58:17,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 04:58:17,613 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 04:58:17,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 04:58:17,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 04:58:17,614 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 04:58:17,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 04:58:17,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 04:58:17,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 04:58:17,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 04:58:17,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 04:58:17,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 04:58:17,614 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 04:58:17,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 04:58:17,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 04:58:17,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 04:58:17,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 04:58:17,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 04:58:17,616 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 04:58:17,616 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 04:58:17,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47814a6c2066a31334f0b50a42e69cfeb567d5dd7f02dc6c703588c90e067366 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-01-23 04:58:17,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 04:58:17,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 04:58:17,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 04:58:17,902 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 04:58:17,903 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 04:58:17,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2025-01-23 04:58:19,185 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a027e61eb/537a19bf68544a869ec119c18401feff/FLAG1ec07fec8 [2025-01-23 04:58:19,415 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 04:58:19,417 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2025-01-23 04:58:19,426 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a027e61eb/537a19bf68544a869ec119c18401feff/FLAG1ec07fec8 [2025-01-23 04:58:19,443 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a027e61eb/537a19bf68544a869ec119c18401feff [2025-01-23 04:58:19,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 04:58:19,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 04:58:19,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 04:58:19,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 04:58:19,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 04:58:19,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f00736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19, skipping insertion in model container [2025-01-23 04:58:19,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 04:58:19,636 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-dec.wvr.c[2683,2696] [2025-01-23 04:58:19,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 04:58:19,663 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 04:58:19,732 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-dec.wvr.c[2683,2696] [2025-01-23 04:58:19,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 04:58:19,752 INFO L204 MainTranslator]: Completed translation [2025-01-23 04:58:19,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19 WrapperNode [2025-01-23 04:58:19,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 04:58:19,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 04:58:19,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 04:58:19,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 04:58:19,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,787 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2025-01-23 04:58:19,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 04:58:19,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 04:58:19,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 04:58:19,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 04:58:19,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,806 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 04:58:19,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 04:58:19,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 04:58:19,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 04:58:19,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (1/1) ... [2025-01-23 04:58:19,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 04:58:19,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 04:58:19,853 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) [2025-01-23 04:58:19,856 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 [2025-01-23 04:58:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 04:58:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 04:58:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 04:58:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 04:58:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 04:58:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-23 04:58:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-23 04:58:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-23 04:58:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-23 04:58:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 04:58:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 04:58:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-23 04:58:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 04:58:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 04:58:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 04:58:19,877 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 04:58:19,959 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 04:58:19,960 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 04:58:20,225 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 04:58:20,225 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 04:58:20,418 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 04:58:20,418 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-23 04:58:20,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 04:58:20 BoogieIcfgContainer [2025-01-23 04:58:20,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 04:58:20,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 04:58:20,423 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 04:58:20,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 04:58:20,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 04:58:19" (1/3) ... [2025-01-23 04:58:20,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157c2dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 04:58:20, skipping insertion in model container [2025-01-23 04:58:20,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 04:58:19" (2/3) ... [2025-01-23 04:58:20,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157c2dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 04:58:20, skipping insertion in model container [2025-01-23 04:58:20,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 04:58:20" (3/3) ... [2025-01-23 04:58:20,433 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2025-01-23 04:58:20,447 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 04:58:20,449 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-min-max-dec.wvr.c that has 5 procedures, 57 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-01-23 04:58:20,449 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 04:58:20,550 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-23 04:58:20,596 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 04:58:20,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 04:58:20,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 04:58:20,600 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) [2025-01-23 04:58:20,602 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 [2025-01-23 04:58:20,672 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 04:58:20,681 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 04:58:20,686 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;@7779ace1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 04:58:20,686 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-23 04:58:21,820 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)] === [2025-01-23 04:58:21,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 04:58:21,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1200781243, now seen corresponding path program 1 times [2025-01-23 04:58:21,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 04:58:21,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932768617] [2025-01-23 04:58:21,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 04:58:21,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 04:58:21,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-23 04:58:21,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-23 04:58:21,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 04:58:21,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 04:58:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 04:58:22,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 04:58:22,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932768617] [2025-01-23 04:58:22,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932768617] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 04:58:22,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 04:58:22,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 04:58:22,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729396029] [2025-01-23 04:58:22,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 04:58:22,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 04:58:22,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 04:58:22,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 04:58:22,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 04:58:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:58:22,378 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 04:58:22,380 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) [2025-01-23 04:58:22,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:58:22,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:58:22,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 04:58:22,494 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)] === [2025-01-23 04:58:22,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 04:58:22,495 INFO L85 PathProgramCache]: Analyzing trace with hash 2112143963, now seen corresponding path program 1 times [2025-01-23 04:58:22,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 04:58:22,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518010903] [2025-01-23 04:58:22,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 04:58:22,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 04:58:22,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-23 04:58:22,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-23 04:58:22,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 04:58:22,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 04:58:22,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 04:58:22,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 04:58:22,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518010903] [2025-01-23 04:58:22,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518010903] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 04:58:22,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846701958] [2025-01-23 04:58:22,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 04:58:22,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 04:58:22,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 04:58:22,929 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) [2025-01-23 04:58:22,931 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 [2025-01-23 04:58:23,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-23 04:58:23,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-23 04:58:23,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 04:58:23,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 04:58:23,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 04:58:23,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 04:58:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 04:58:23,309 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 04:58:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 04:58:23,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846701958] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 04:58:23,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 04:58:23,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2025-01-23 04:58:23,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794209625] [2025-01-23 04:58:23,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 04:58:23,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-23 04:58:23,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 04:58:23,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-23 04:58:23,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2025-01-23 04:58:23,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:58:23,465 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 04:58:23,466 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) [2025-01-23 04:58:23,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:58:23,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:58:23,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:58:23,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 04:58:23,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-23 04:58:23,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 04:58:23,963 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)] === [2025-01-23 04:58:23,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 04:58:23,963 INFO L85 PathProgramCache]: Analyzing trace with hash 299617211, now seen corresponding path program 2 times [2025-01-23 04:58:23,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 04:58:23,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060304189] [2025-01-23 04:58:23,964 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 04:58:23,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 04:58:23,983 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 101 statements into 2 equivalence classes. [2025-01-23 04:58:24,010 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 99 of 101 statements. [2025-01-23 04:58:24,010 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 04:58:24,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 04:58:24,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 04:58:24,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 04:58:24,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060304189] [2025-01-23 04:58:24,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060304189] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 04:58:24,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 04:58:24,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-23 04:58:24,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146546381] [2025-01-23 04:58:24,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 04:58:24,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-23 04:58:24,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 04:58:24,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-23 04:58:24,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-01-23 04:58:24,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:58:24,302 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 04:58:24,302 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) [2025-01-23 04:58:24,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:58:24,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 04:58:24,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:58:24,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:58:24,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 04:58:24,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-23 04:58:24,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-23 04:58:24,698 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)] === [2025-01-23 04:58:24,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 04:58:24,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1327046437, now seen corresponding path program 3 times [2025-01-23 04:58:24,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 04:58:24,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970969337] [2025-01-23 04:58:24,700 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 04:58:24,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 04:58:24,717 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 146 statements into 5 equivalence classes. [2025-01-23 04:58:24,729 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 43 of 146 statements. [2025-01-23 04:58:24,730 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-23 04:58:24,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 04:58:24,949 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2025-01-23 04:58:24,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 04:58:24,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970969337] [2025-01-23 04:58:24,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970969337] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 04:58:24,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 04:58:24,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-23 04:58:24,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052621033] [2025-01-23 04:58:24,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 04:58:24,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-23 04:58:24,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 04:58:24,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-23 04:58:24,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-23 04:58:24,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:58:24,953 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 04:58:24,953 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) [2025-01-23 04:58:24,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:58:24,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 04:58:24,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-23 04:58:24,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:58:26,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:58:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 04:58:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 04:58:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 04:58:26,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-23 04:58:26,462 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)] === [2025-01-23 04:58:26,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 04:58:26,463 INFO L85 PathProgramCache]: Analyzing trace with hash 846562725, now seen corresponding path program 4 times [2025-01-23 04:58:26,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 04:58:26,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578419814] [2025-01-23 04:58:26,463 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 04:58:26,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 04:58:26,480 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 146 statements into 2 equivalence classes. [2025-01-23 04:58:26,501 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 132 of 146 statements. [2025-01-23 04:58:26,501 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 04:58:26,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 04:58:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-23 04:58:26,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 04:58:26,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578419814] [2025-01-23 04:58:26,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578419814] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 04:58:26,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440375441] [2025-01-23 04:58:26,787 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 04:58:26,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 04:58:26,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 04:58:26,790 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) [2025-01-23 04:58:26,792 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 [2025-01-23 04:58:26,860 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 146 statements into 2 equivalence classes. [2025-01-23 04:58:26,904 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 132 of 146 statements. [2025-01-23 04:58:26,904 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 04:58:26,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 04:58:26,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-23 04:58:26,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 04:58:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 64 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 04:58:27,413 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 04:58:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-01-23 04:58:27,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440375441] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 04:58:27,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 04:58:27,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 16, 8] total 27 [2025-01-23 04:58:27,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370741194] [2025-01-23 04:58:27,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 04:58:27,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-23 04:58:27,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 04:58:27,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-23 04:58:27,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2025-01-23 04:58:27,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:58:27,666 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 04:58:27,667 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) [2025-01-23 04:58:27,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:58:27,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 04:58:27,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 04:58:27,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 04:58:27,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:58:44,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:58:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 04:58:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 04:58:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 04:58:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2025-01-23 04:58:44,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-23 04:58:44,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 04:58:44,922 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)] === [2025-01-23 04:58:44,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 04:58:44,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1243473625, now seen corresponding path program 5 times [2025-01-23 04:58:44,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 04:58:44,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171374372] [2025-01-23 04:58:44,923 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 04:58:44,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 04:58:44,941 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 182 statements into 7 equivalence classes. [2025-01-23 04:58:45,042 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 182 of 182 statements. [2025-01-23 04:58:45,042 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-01-23 04:58:45,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 04:58:45,486 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2025-01-23 04:58:45,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 04:58:45,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171374372] [2025-01-23 04:58:45,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171374372] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 04:58:45,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056753233] [2025-01-23 04:58:45,487 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 04:58:45,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 04:58:45,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 04:58:45,491 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) [2025-01-23 04:58:45,492 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 [2025-01-23 04:58:45,574 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 182 statements into 7 equivalence classes. [2025-01-23 04:58:45,713 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 182 of 182 statements. [2025-01-23 04:58:45,713 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-01-23 04:58:45,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 04:58:45,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-23 04:58:45,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 04:58:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 156 proven. 3 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2025-01-23 04:58:45,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 04:58:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 156 proven. 3 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2025-01-23 04:58:46,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056753233] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 04:58:46,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 04:58:46,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 20 [2025-01-23 04:58:46,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096961154] [2025-01-23 04:58:46,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 04:58:46,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-23 04:58:46,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 04:58:46,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-23 04:58:46,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2025-01-23 04:58:46,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:58:46,058 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 04:58:46,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 10.65) internal successors, (213), 20 states have internal predecessors, (213), 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) [2025-01-23 04:58:46,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:58:46,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 04:58:46,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 04:58:46,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 04:58:46,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2025-01-23 04:58:46,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:59:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:59:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 04:59:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 04:59:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 04:59:01,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2025-01-23 04:59:01,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 04:59:01,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-23 04:59:01,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 04:59:01,809 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)] === [2025-01-23 04:59:01,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 04:59:01,809 INFO L85 PathProgramCache]: Analyzing trace with hash -592309255, now seen corresponding path program 6 times [2025-01-23 04:59:01,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 04:59:01,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591938814] [2025-01-23 04:59:01,809 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 04:59:01,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 04:59:01,845 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 409 statements into 11 equivalence classes. [2025-01-23 04:59:01,866 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 104 of 409 statements. [2025-01-23 04:59:01,867 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-01-23 04:59:01,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 04:59:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2025-01-23 04:59:02,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 04:59:02,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591938814] [2025-01-23 04:59:02,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591938814] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 04:59:02,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 04:59:02,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-23 04:59:02,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336796465] [2025-01-23 04:59:02,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 04:59:02,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-23 04:59:02,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 04:59:02,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-23 04:59:02,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2025-01-23 04:59:02,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:59:02,293 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 04:59:02,293 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) [2025-01-23 04:59:02,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:59:02,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 04:59:02,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 04:59:02,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 04:59:02,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2025-01-23 04:59:02,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 04:59:02,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:59:44,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:59:44,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 04:59:44,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 04:59:44,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 04:59:44,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2025-01-23 04:59:44,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 04:59:44,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-23 04:59:44,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-23 04:59:44,430 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)] === [2025-01-23 04:59:44,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 04:59:44,431 INFO L85 PathProgramCache]: Analyzing trace with hash -604624209, now seen corresponding path program 7 times [2025-01-23 04:59:44,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 04:59:44,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506483887] [2025-01-23 04:59:44,431 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 04:59:44,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 04:59:44,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 409 statements into 1 equivalence classes. [2025-01-23 04:59:44,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 409 of 409 statements. [2025-01-23 04:59:44,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 04:59:44,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 04:59:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 1055 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 04:59:49,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 04:59:49,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506483887] [2025-01-23 04:59:49,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506483887] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 04:59:49,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252385202] [2025-01-23 04:59:49,822 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 04:59:49,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 04:59:49,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 04:59:49,824 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) [2025-01-23 04:59:49,826 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 [2025-01-23 04:59:49,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 409 statements into 1 equivalence classes. [2025-01-23 04:59:50,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 409 of 409 statements. [2025-01-23 04:59:50,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 04:59:50,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 04:59:50,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-23 04:59:50,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 04:59:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 326 proven. 6 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2025-01-23 04:59:50,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 04:59:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 326 proven. 6 refuted. 0 times theorem prover too weak. 823 trivial. 0 not checked. [2025-01-23 04:59:50,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252385202] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 04:59:50,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 04:59:50,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 11, 11] total 90 [2025-01-23 04:59:50,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046569594] [2025-01-23 04:59:50,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 04:59:50,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2025-01-23 04:59:50,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 04:59:50,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2025-01-23 04:59:50,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1845, Invalid=6165, Unknown=0, NotChecked=0, Total=8010 [2025-01-23 04:59:50,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 04:59:50,932 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 04:59:50,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 6.366666666666666) internal successors, (573), 90 states have internal predecessors, (573), 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) [2025-01-23 04:59:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 04:59:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 04:59:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 04:59:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 04:59:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2025-01-23 04:59:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 04:59:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-23 04:59:50,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 05:00:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 05:00:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 05:00:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 05:00:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 05:00:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2025-01-23 05:00:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 05:00:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-23 05:00:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 05:00:33,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-23 05:00:34,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 05:00:34,020 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)] === [2025-01-23 05:00:34,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 05:00:34,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1097974449, now seen corresponding path program 8 times [2025-01-23 05:00:34,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 05:00:34,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781737443] [2025-01-23 05:00:34,021 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 05:00:34,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 05:00:34,049 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 410 statements into 2 equivalence classes. [2025-01-23 05:00:34,062 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 121 of 410 statements. [2025-01-23 05:00:34,062 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 05:00:34,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 05:00:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1159 trivial. 0 not checked. [2025-01-23 05:00:34,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 05:00:34,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781737443] [2025-01-23 05:00:34,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781737443] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 05:00:34,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 05:00:34,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-01-23 05:00:34,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340849908] [2025-01-23 05:00:34,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 05:00:34,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-23 05:00:34,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 05:00:34,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-23 05:00:34,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2025-01-23 05:00:34,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 05:00:34,681 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 05:00:34,682 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) [2025-01-23 05:00:34,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 05:00:34,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 05:00:34,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 05:00:34,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 05:00:34,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2025-01-23 05:00:34,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 05:00:34,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-23 05:00:34,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 05:00:34,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 05:02:06,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 05:02:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 05:02:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 05:02:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 05:02:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2025-01-23 05:02:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 05:02:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-23 05:02:06,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 05:02:06,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-23 05:02:06,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-23 05:02:06,920 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)] === [2025-01-23 05:02:06,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 05:02:06,921 INFO L85 PathProgramCache]: Analyzing trace with hash 2098251377, now seen corresponding path program 9 times [2025-01-23 05:02:06,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 05:02:06,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410145452] [2025-01-23 05:02:06,921 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 05:02:06,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 05:02:06,937 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 410 statements into 10 equivalence classes. [2025-01-23 05:02:06,953 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 121 of 410 statements. [2025-01-23 05:02:06,954 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-23 05:02:06,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 05:02:07,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1103 trivial. 0 not checked. [2025-01-23 05:02:07,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 05:02:07,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410145452] [2025-01-23 05:02:07,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410145452] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 05:02:07,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 05:02:07,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-01-23 05:02:07,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52499867] [2025-01-23 05:02:07,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 05:02:07,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-23 05:02:07,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 05:02:07,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-23 05:02:07,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2025-01-23 05:02:07,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 05:02:07,306 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 05:02:07,307 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) [2025-01-23 05:02:07,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 05:02:07,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 05:02:07,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 05:02:07,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-23 05:02:07,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2025-01-23 05:02:07,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 05:02:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-23 05:02:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 05:02:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-23 05:02:07,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 05:06:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 05:06:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 05:06:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-23 05:06:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 05:06:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 343 states. [2025-01-23 05:06:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 05:06:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 05:06:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-23 05:06:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-01-23 05:06:04,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-23 05:06:04,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-23 05:06:04,400 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)] === [2025-01-23 05:06:04,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 05:06:04,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1665783449, now seen corresponding path program 10 times [2025-01-23 05:06:04,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 05:06:04,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949423026] [2025-01-23 05:06:04,401 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 05:06:04,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 05:06:04,412 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 178 statements into 2 equivalence classes. [2025-01-23 05:06:04,420 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 162 of 178 statements. [2025-01-23 05:06:04,420 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 05:06:04,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 05:06:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 13 proven. 65 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-01-23 05:06:04,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 05:06:04,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949423026] [2025-01-23 05:06:04,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949423026] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 05:06:04,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398334126] [2025-01-23 05:06:04,603 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 05:06:04,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 05:06:04,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 05:06:04,606 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 05:06:04,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-23 05:06:04,698 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 178 statements into 2 equivalence classes. [2025-01-23 05:06:04,743 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 162 of 178 statements. [2025-01-23 05:06:04,743 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 05:06:04,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 05:06:04,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-23 05:06:04,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 05:06:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 1 proven. 272 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-23 05:06:05,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 05:06:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 1 proven. 127 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2025-01-23 05:06:05,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398334126] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 05:06:05,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 05:06:05,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19, 7] total 24 [2025-01-23 05:06:05,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412000578] [2025-01-23 05:06:05,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 05:06:05,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-23 05:06:05,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 05:06:05,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-23 05:06:05,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2025-01-23 05:06:05,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 05:06:05,546 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 05:06:05,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.75) internal successors, (234), 24 states have internal predecessors, (234), 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) [2025-01-23 05:06:05,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 05:06:05,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 05:06:05,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-23 05:06:05,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-23 05:06:05,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 343 states. [2025-01-23 05:06:05,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 05:06:05,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 05:06:05,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-23 05:06:05,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2025-01-23 05:06:05,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-01-23 05:06:05,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15