./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.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 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-24 01:51:19,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 01:51:19,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 01:51:19,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 01:51:19,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 01:51:19,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 01:51:19,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 01:51:19,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 01:51:19,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 01:51:19,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 01:51:19,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 01:51:19,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 01:51:19,931 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 01:51:19,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 01:51:19,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 01:51:19,932 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 01:51:19,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 01:51:19,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 01:51:19,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 01:51:19,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 01:51:19,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 01:51:19,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 01:51:19,934 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 01:51:19,934 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 01:51:19,934 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 -> 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-24 01:51:20,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 01:51:20,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 01:51:20,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 01:51:20,220 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 01:51:20,220 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 01:51:20,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2025-01-24 01:51:21,384 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/47992c39d/58220513dd4440a4a9bd64fac68a3302/FLAGc55652557 [2025-01-24 01:51:21,629 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 01:51:21,629 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2025-01-24 01:51:21,635 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/47992c39d/58220513dd4440a4a9bd64fac68a3302/FLAGc55652557 [2025-01-24 01:51:21,974 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/47992c39d/58220513dd4440a4a9bd64fac68a3302 [2025-01-24 01:51:21,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 01:51:21,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 01:51:21,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 01:51:21,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 01:51:21,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 01:51:21,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:51:21" (1/1) ... [2025-01-24 01:51:21,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ba6f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:21, skipping insertion in model container [2025-01-24 01:51:21,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:51:21" (1/1) ... [2025-01-24 01:51:22,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 01:51:22,193 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/chl-poker-hand-subst.wvr.c[19288,19301] [2025-01-24 01:51:22,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 01:51:22,219 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 01:51:22,323 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/chl-poker-hand-subst.wvr.c[19288,19301] [2025-01-24 01:51:22,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 01:51:22,335 INFO L204 MainTranslator]: Completed translation [2025-01-24 01:51:22,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22 WrapperNode [2025-01-24 01:51:22,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 01:51:22,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 01:51:22,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 01:51:22,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 01:51:22,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (1/1) ... [2025-01-24 01:51:22,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (1/1) ... [2025-01-24 01:51:22,423 INFO L138 Inliner]: procedures = 25, calls = 439, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2348 [2025-01-24 01:51:22,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 01:51:22,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 01:51:22,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 01:51:22,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 01:51:22,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (1/1) ... [2025-01-24 01:51:22,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (1/1) ... [2025-01-24 01:51:22,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (1/1) ... [2025-01-24 01:51:22,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (1/1) ... [2025-01-24 01:51:22,496 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (1/1) ... [2025-01-24 01:51:22,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (1/1) ... [2025-01-24 01:51:22,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (1/1) ... [2025-01-24 01:51:22,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (1/1) ... [2025-01-24 01:51:22,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (1/1) ... [2025-01-24 01:51:22,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 01:51:22,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 01:51:22,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 01:51:22,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 01:51:22,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (1/1) ... [2025-01-24 01:51:22,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 01:51:22,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:51:22,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-24 01:51:22,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-24 01:51:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 01:51:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 01:51:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 01:51:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 01:51:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 01:51:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-24 01:51:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-24 01:51:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 01:51:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-24 01:51:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-24 01:51:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-24 01:51:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 01:51:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 01:51:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 01:51:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-24 01:51:22,599 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-24 01:51:22,773 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 01:51:22,774 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 01:51:24,422 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 01:51:24,422 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 01:51:26,138 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 01:51:26,140 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2025-01-24 01:51:26,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:51:26 BoogieIcfgContainer [2025-01-24 01:51:26,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 01:51:26,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 01:51:26,143 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 01:51:26,147 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 01:51:26,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 01:51:21" (1/3) ... [2025-01-24 01:51:26,148 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a17d5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 01:51:26, skipping insertion in model container [2025-01-24 01:51:26,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:51:22" (2/3) ... [2025-01-24 01:51:26,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a17d5c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 01:51:26, skipping insertion in model container [2025-01-24 01:51:26,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:51:26" (3/3) ... [2025-01-24 01:51:26,150 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2025-01-24 01:51:26,161 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 01:51:26,163 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-subst.wvr.c that has 4 procedures, 98 locations, 1 initial locations, 18 loop locations, and 1 error locations. [2025-01-24 01:51:26,163 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 01:51:26,494 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-24 01:51:26,527 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 01:51:26,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 01:51:26,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:51:26,533 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-24 01:51:26,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-24 01:51:26,690 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 01:51:26,745 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 01:51:26,750 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;@6aebb56b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 01:51:26,750 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-24 01:51:26,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 01:51:26,961 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:51:26,961 INFO L139 ounterexampleChecker]: Examining path program with hash 1150682343, occurence #1 [2025-01-24 01:51:26,961 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 01:51:26,961 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:51:26,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:51:26,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1983494184, now seen corresponding path program 1 times [2025-01-24 01:51:26,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 01:51:26,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264116889] [2025-01-24 01:51:26,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:51:26,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 01:51:27,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-24 01:51:27,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-24 01:51:27,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:51:27,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:51:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 01:51:27,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 01:51:27,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264116889] [2025-01-24 01:51:27,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264116889] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 01:51:27,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 01:51:27,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 01:51:27,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139890591] [2025-01-24 01:51:27,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 01:51:27,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 01:51:27,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 01:51:27,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 01:51:27,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 01:51:27,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:51:27,618 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:51:27,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:51:27,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:51:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:27,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 01:51:27,771 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 01:51:27,772 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:51:27,772 INFO L139 ounterexampleChecker]: Examining path program with hash 519455132, occurence #1 [2025-01-24 01:51:27,772 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 01:51:27,772 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:51:27,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:51:27,773 INFO L85 PathProgramCache]: Analyzing trace with hash -860601062, now seen corresponding path program 1 times [2025-01-24 01:51:27,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 01:51:27,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902921152] [2025-01-24 01:51:27,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:51:27,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 01:51:27,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-24 01:51:27,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-24 01:51:27,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:51:27,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:51:28,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-24 01:51:28,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 01:51:28,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902921152] [2025-01-24 01:51:28,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902921152] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 01:51:28,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501714591] [2025-01-24 01:51:28,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:51:28,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:51:28,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:51:28,208 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 01:51:28,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-24 01:51:28,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-24 01:51:28,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-24 01:51:28,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:51:28,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:51:28,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-24 01:51:28,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:51:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 01:51:28,752 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 01:51:28,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501714591] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 01:51:28,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-24 01:51:28,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-01-24 01:51:28,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387737858] [2025-01-24 01:51:28,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 01:51:28,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 01:51:28,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 01:51:28,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 01:51:28,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-24 01:51:28,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:51:28,754 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:51:28,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:51:28,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:28,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:51:28,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:28,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:28,873 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 [2025-01-24 01:51:29,065 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 [2025-01-24 01:51:29,065 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 01:51:29,065 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:51:29,066 INFO L139 ounterexampleChecker]: Examining path program with hash 519455132, occurence #2 [2025-01-24 01:51:29,066 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 01:51:29,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 01:51:29,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:29,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 01:51:29,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:29,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 01:51:29,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:29,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 01:51:29,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:29,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 01:51:29,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:29,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 01:51:29,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:29,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 01:51:29,070 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:29,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 01:51:29,081 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:29,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 01:51:29,081 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:29,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 01:51:29,081 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:29,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 01:51:29,081 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:29,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 01:51:29,081 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:29,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-24 01:51:29,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:29,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 01:51:29,082 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:29,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-24 01:51:29,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:29,082 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 01:51:29,082 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:51:29,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:51:29,082 INFO L85 PathProgramCache]: Analyzing trace with hash -995183136, now seen corresponding path program 1 times [2025-01-24 01:51:29,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 01:51:29,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701019038] [2025-01-24 01:51:29,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:51:29,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 01:51:29,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-24 01:51:29,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-24 01:51:29,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:51:29,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:51:29,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-24 01:51:29,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 01:51:29,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701019038] [2025-01-24 01:51:29,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701019038] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 01:51:29,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484709092] [2025-01-24 01:51:29,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:51:29,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:51:29,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:51:29,450 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 01:51:29,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-24 01:51:29,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-24 01:51:29,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-24 01:51:29,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:51:29,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:51:29,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-24 01:51:29,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:51:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-24 01:51:29,939 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 01:51:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-24 01:51:29,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484709092] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 01:51:29,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 01:51:29,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2025-01-24 01:51:29,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889186044] [2025-01-24 01:51:29,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 01:51:29,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-24 01:51:29,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 01:51:29,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-24 01:51:29,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-24 01:51:29,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:51:29,965 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:51:29,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:51:29,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:29,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:29,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:51:30,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:30,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:30,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 01:51:30,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-24 01:51:30,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:51:30,380 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 01:51:30,381 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:51:30,381 INFO L139 ounterexampleChecker]: Examining path program with hash 519455132, occurence #3 [2025-01-24 01:51:30,381 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 01:51:30,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 01:51:30,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:30,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 01:51:30,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:30,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 01:51:30,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:30,381 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 01:51:30,381 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:30,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 01:51:30,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:30,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-24 01:51:30,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:30,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-24 01:51:30,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:30,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-24 01:51:30,382 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:30,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 01:51:30,382 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:30,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-24 01:51:30,382 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:30,382 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-24 01:51:30,382 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:30,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-01-24 01:51:30,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:30,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-01-24 01:51:30,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:30,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-24 01:51:30,383 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:30,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-24 01:51:30,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:30,383 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 01:51:30,383 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:51:30,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:51:30,384 INFO L85 PathProgramCache]: Analyzing trace with hash -2053242563, now seen corresponding path program 1 times [2025-01-24 01:51:30,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 01:51:30,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529362744] [2025-01-24 01:51:30,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:51:30,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 01:51:30,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-01-24 01:51:30,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-24 01:51:30,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:51:30,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:51:30,869 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-24 01:51:30,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 01:51:30,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529362744] [2025-01-24 01:51:30,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529362744] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 01:51:30,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398218778] [2025-01-24 01:51:30,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:51:30,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:51:30,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:51:30,875 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 01:51:30,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-24 01:51:31,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-01-24 01:51:31,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-24 01:51:31,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:51:31,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:51:31,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 01:51:31,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:51:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-24 01:51:31,456 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 01:51:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-24 01:51:31,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398218778] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 01:51:31,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 01:51:31,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2025-01-24 01:51:31,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360767417] [2025-01-24 01:51:31,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 01:51:31,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-24 01:51:31,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 01:51:31,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-24 01:51:31,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=156, Unknown=0, NotChecked=0, Total=272 [2025-01-24 01:51:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:51:31,535 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:51:31,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 17 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:51:31,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:31,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:31,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 01:51:31,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:51:31,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 01:51:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 01:51:31,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-24 01:51:32,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:51:32,076 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 01:51:32,076 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:51:32,076 INFO L139 ounterexampleChecker]: Examining path program with hash 519455132, occurence #4 [2025-01-24 01:51:32,076 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 01:51:32,077 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 01:51:32,077 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:32,077 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 01:51:32,077 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:32,077 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 01:51:32,077 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:32,077 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-24 01:51:32,077 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:32,077 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-24 01:51:32,077 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:32,077 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-24 01:51:32,077 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:32,077 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-24 01:51:32,077 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:32,077 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-01-24 01:51:32,078 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:32,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-24 01:51:32,078 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:32,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2025-01-24 01:51:32,078 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:32,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2025-01-24 01:51:32,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:32,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-01-24 01:51:32,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:32,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-24 01:51:32,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:32,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-01-24 01:51:32,078 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:32,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-01-24 01:51:32,079 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:32,079 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 01:51:32,079 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:51:32,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:51:32,079 INFO L85 PathProgramCache]: Analyzing trace with hash 640663383, now seen corresponding path program 2 times [2025-01-24 01:51:32,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 01:51:32,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031713876] [2025-01-24 01:51:32,079 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 01:51:32,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 01:51:32,134 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 123 statements into 2 equivalence classes. [2025-01-24 01:51:32,169 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 54 of 123 statements. [2025-01-24 01:51:32,169 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 01:51:32,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:51:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2025-01-24 01:51:32,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 01:51:32,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031713876] [2025-01-24 01:51:32,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031713876] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 01:51:32,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 01:51:32,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 01:51:32,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298671636] [2025-01-24 01:51:32,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 01:51:32,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 01:51:32,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 01:51:32,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 01:51:32,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 01:51:32,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:51:32,364 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:51:32,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:51:32,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:32,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:32,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 01:51:32,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 01:51:32,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:51:32,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:32,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:32,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 01:51:32,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 01:51:32,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:32,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-24 01:51:32,472 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 1 more)] === [2025-01-24 01:51:32,472 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:51:32,472 INFO L139 ounterexampleChecker]: Examining path program with hash 283944253, occurence #1 [2025-01-24 01:51:32,472 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 01:51:32,472 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:51:32,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:51:32,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1192941672, now seen corresponding path program 1 times [2025-01-24 01:51:32,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 01:51:32,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521012861] [2025-01-24 01:51:32,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:51:32,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 01:51:32,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-01-24 01:51:32,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-01-24 01:51:32,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:51:32,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:51:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2025-01-24 01:51:33,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 01:51:33,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521012861] [2025-01-24 01:51:33,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521012861] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 01:51:33,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992998419] [2025-01-24 01:51:33,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:51:33,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:51:33,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:51:33,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 01:51:33,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-24 01:51:33,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-01-24 01:51:33,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-01-24 01:51:33,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:51:33,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:51:33,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-24 01:51:33,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:51:34,018 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2025-01-24 01:51:34,020 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 01:51:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2025-01-24 01:51:34,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992998419] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 01:51:34,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 01:51:34,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2025-01-24 01:51:34,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047512795] [2025-01-24 01:51:34,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 01:51:34,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-01-24 01:51:34,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 01:51:34,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-01-24 01:51:34,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=722, Unknown=0, NotChecked=0, Total=1190 [2025-01-24 01:51:34,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:51:34,262 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:51:34,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:51:34,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:34,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:34,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 01:51:34,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 01:51:34,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:34,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:51:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 01:51:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 01:51:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:51:34,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 01:51:34,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-24 01:51:34,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:51:34,858 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 1 more)] === [2025-01-24 01:51:34,858 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:51:34,858 INFO L139 ounterexampleChecker]: Examining path program with hash 283944253, occurence #2 [2025-01-24 01:51:34,858 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 01:51:34,858 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 01:51:34,858 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:34,858 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 01:51:34,858 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:34,858 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 01:51:34,858 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:34,858 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-24 01:51:34,858 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:34,858 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-24 01:51:34,858 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:34,858 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-24 01:51:34,859 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:34,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-24 01:51:34,859 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:34,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-24 01:51:34,859 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:34,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-24 01:51:34,859 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:34,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-24 01:51:34,859 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:34,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-01-24 01:51:34,859 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:34,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-24 01:51:34,859 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:34,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-24 01:51:34,859 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:34,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2025-01-24 01:51:34,859 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:51:34,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2025-01-24 01:51:34,859 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:51:34,859 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 01:51:34,859 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:51:34,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:51:34,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1991835793, now seen corresponding path program 2 times [2025-01-24 01:51:34,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 01:51:34,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190338773] [2025-01-24 01:51:34,860 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 01:51:34,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 01:51:34,937 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 141 statements into 2 equivalence classes. [2025-01-24 01:51:36,492 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 141 of 141 statements. [2025-01-24 01:51:36,492 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 01:51:36,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:51:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-24 01:51:40,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 01:51:40,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190338773] [2025-01-24 01:51:40,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190338773] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 01:51:40,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544974753] [2025-01-24 01:51:40,033 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 01:51:40,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:51:40,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:51:40,037 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) [2025-01-24 01:51:40,038 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 [2025-01-24 01:51:40,556 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 141 statements into 2 equivalence classes. [2025-01-24 01:51:40,728 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 141 of 141 statements. [2025-01-24 01:51:40,728 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 01:51:40,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:51:40,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-01-24 01:51:40,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:52:21,361 WARN L286 SmtUtils]: Spent 25.53s on a formula simplification that was a NOOP. DAG size: 2306 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-24 01:52:21,362 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 01:52:21,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 47 select indices, 47 select index equivalence classes, 1 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 1081 case distinctions, treesize of input 502 treesize of output 8027 [2025-01-24 01:55:48,524 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2025-01-24 01:55:48,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2025-01-24 01:55:48,525 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2025-01-24 01:55:48,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-24 01:55:48,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:55:48,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-24 01:55:48,737 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 68 more [2025-01-24 01:55:48,744 INFO L158 Benchmark]: Toolchain (without parser) took 266766.02ms. Allocated memory was 117.4MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 91.7MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2025-01-24 01:55:48,744 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 61.2MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-24 01:55:48,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.05ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 65.2MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-24 01:55:48,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.14ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 53.7MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-24 01:55:48,745 INFO L158 Benchmark]: Boogie Preprocessor took 130.03ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 42.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-24 01:55:48,745 INFO L158 Benchmark]: RCFGBuilder took 3585.61ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 42.6MB in the beginning and 155.5MB in the end (delta: -112.9MB). Peak memory consumption was 169.9MB. Max. memory is 16.1GB. [2025-01-24 01:55:48,747 INFO L158 Benchmark]: TraceAbstraction took 262601.60ms. Allocated memory was 285.2MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 155.5MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2025-01-24 01:55:48,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 61.2MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.05ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 65.2MB in the end (delta: 26.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.14ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 53.7MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.03ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 42.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3585.61ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 42.6MB in the beginning and 155.5MB in the end (delta: -112.9MB). Peak memory consumption was 169.9MB. Max. memory is 16.1GB. * TraceAbstraction took 262601.60ms. Allocated memory was 285.2MB in the beginning and 2.6GB in the end (delta: 2.3GB). Free memory was 155.5MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/chl-poker-hand-subst.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.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 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-24 01:55:50,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 01:55:50,703 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2025-01-24 01:55:50,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 01:55:50,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 01:55:50,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 01:55:50,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 01:55:50,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 01:55:50,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 01:55:50,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 01:55:50,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 01:55:50,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 01:55:50,729 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 01:55:50,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 01:55:50,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 01:55:50,730 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 01:55:50,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 01:55:50,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 01:55:50,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 01:55:50,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 01:55:50,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 01:55:50,730 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-24 01:55:50,730 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-24 01:55:50,730 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 01:55:50,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 01:55:50,731 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 01:55:50,731 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 01:55:50,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 01:55:50,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 01:55:50,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 01:55:50,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 01:55:50,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 01:55:50,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 01:55:50,731 INFO L153 SettingsManager]: * Refinement strategy for commutativity condition synthesis=FOX [2025-01-24 01:55:50,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 01:55:50,731 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 01:55:50,732 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 01:55:50,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 01:55:50,732 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-24 01:55:50,732 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 01:55:50,732 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-24 01:55:50,732 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 01:55:50,732 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 01:55:50,732 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 01:55:50,732 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 01:55:50,732 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 -> 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-24 01:55:50,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 01:55:50,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 01:55:50,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 01:55:50,926 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 01:55:50,927 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 01:55:50,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2025-01-24 01:55:52,145 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/83a074b14/486c9867202c40c58ccd13c144004825/FLAG3823051a9 [2025-01-24 01:55:52,406 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 01:55:52,406 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2025-01-24 01:55:52,418 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/83a074b14/486c9867202c40c58ccd13c144004825/FLAG3823051a9 [2025-01-24 01:55:52,436 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/83a074b14/486c9867202c40c58ccd13c144004825 [2025-01-24 01:55:52,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 01:55:52,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 01:55:52,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 01:55:52,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 01:55:52,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 01:55:52,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:52,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48afb406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52, skipping insertion in model container [2025-01-24 01:55:52,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:52,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 01:55:52,720 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/chl-poker-hand-subst.wvr.c[19288,19301] [2025-01-24 01:55:52,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 01:55:52,735 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 01:55:52,871 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/chl-poker-hand-subst.wvr.c[19288,19301] [2025-01-24 01:55:52,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 01:55:52,888 INFO L204 MainTranslator]: Completed translation [2025-01-24 01:55:52,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52 WrapperNode [2025-01-24 01:55:52,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 01:55:52,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 01:55:52,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 01:55:52,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 01:55:52,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:52,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:53,001 INFO L138 Inliner]: procedures = 27, calls = 439, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2315 [2025-01-24 01:55:53,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 01:55:53,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 01:55:53,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 01:55:53,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 01:55:53,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:53,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:53,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:53,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:53,111 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:53,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:53,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:53,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:53,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:53,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 01:55:53,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 01:55:53,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 01:55:53,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 01:55:53,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (1/1) ... [2025-01-24 01:55:53,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 01:55:53,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:55:53,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-24 01:55:53,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-24 01:55:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 01:55:53,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2025-01-24 01:55:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2025-01-24 01:55:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 01:55:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 01:55:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 01:55:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 01:55:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-24 01:55:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-24 01:55:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-24 01:55:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-24 01:55:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 01:55:53,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 01:55:53,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 01:55:53,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2025-01-24 01:55:53,271 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-24 01:55:53,486 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 01:55:53,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 01:55:55,428 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 01:55:55,429 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 01:55:57,302 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 01:55:57,302 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2025-01-24 01:55:57,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:55:57 BoogieIcfgContainer [2025-01-24 01:55:57,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 01:55:57,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 01:55:57,306 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 01:55:57,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 01:55:57,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 01:55:52" (1/3) ... [2025-01-24 01:55:57,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2059bf94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 01:55:57, skipping insertion in model container [2025-01-24 01:55:57,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 01:55:52" (2/3) ... [2025-01-24 01:55:57,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2059bf94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 01:55:57, skipping insertion in model container [2025-01-24 01:55:57,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 01:55:57" (3/3) ... [2025-01-24 01:55:57,312 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2025-01-24 01:55:57,323 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 01:55:57,325 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-subst.wvr.c that has 4 procedures, 98 locations, 1 initial locations, 18 loop locations, and 1 error locations. [2025-01-24 01:55:57,325 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 01:55:57,739 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-24 01:55:57,768 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 01:55:57,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 01:55:57,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:55:57,770 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-24 01:55:57,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-24 01:55:57,919 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 01:55:57,931 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 01:55:57,937 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;@a3c6424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 01:55:57,937 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-24 01:55:58,163 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 01:55:58,163 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:55:58,163 INFO L139 ounterexampleChecker]: Examining path program with hash 291124472, occurence #1 [2025-01-24 01:55:58,163 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 01:55:58,163 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:55:58,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:55:58,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1324340504, now seen corresponding path program 1 times [2025-01-24 01:55:58,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 01:55:58,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [794572829] [2025-01-24 01:55:58,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:55:58,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:55:58,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:55:58,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 01:55:58,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-24 01:55:58,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-24 01:55:58,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-24 01:55:58,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:55:58,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:55:58,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-24 01:55:58,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:55:58,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 01:55:58,706 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 01:55:58,706 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 01:55:58,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794572829] [2025-01-24 01:55:58,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794572829] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 01:55:58,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 01:55:58,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-24 01:55:58,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080310485] [2025-01-24 01:55:58,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 01:55:58,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-24 01:55:58,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 01:55:58,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-24 01:55:58,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-24 01:55:58,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:55:58,722 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:55:58,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:55:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:55:58,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:55:58,883 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 [2025-01-24 01:55:59,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:55:59,067 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 01:55:59,067 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:55:59,067 INFO L139 ounterexampleChecker]: Examining path program with hash -848944198, occurence #1 [2025-01-24 01:55:59,067 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 01:55:59,067 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:55:59,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:55:59,068 INFO L85 PathProgramCache]: Analyzing trace with hash 979296061, now seen corresponding path program 1 times [2025-01-24 01:55:59,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 01:55:59,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [459485858] [2025-01-24 01:55:59,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:55:59,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:55:59,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:55:59,071 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 01:55:59,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-24 01:55:59,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-24 01:55:59,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-24 01:55:59,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:55:59,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:55:59,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-24 01:55:59,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:55:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 01:55:59,596 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 01:55:59,597 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 01:55:59,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459485858] [2025-01-24 01:55:59,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459485858] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 01:55:59,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 01:55:59,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 01:55:59,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823315586] [2025-01-24 01:55:59,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 01:55:59,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 01:55:59,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 01:55:59,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 01:55:59,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 01:55:59,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:55:59,599 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:55:59,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:55:59,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:55:59,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:55:59,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:55:59,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:55:59,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-24 01:55:59,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:55:59,956 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 01:55:59,956 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:55:59,956 INFO L139 ounterexampleChecker]: Examining path program with hash -1615436589, occurence #1 [2025-01-24 01:55:59,956 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 01:55:59,956 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:55:59,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:55:59,957 INFO L85 PathProgramCache]: Analyzing trace with hash 785787696, now seen corresponding path program 1 times [2025-01-24 01:55:59,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 01:55:59,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1589343889] [2025-01-24 01:55:59,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:55:59,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:55:59,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:55:59,960 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 01:55:59,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-24 01:56:00,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-24 01:56:00,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-24 01:56:00,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:56:00,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:56:00,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-24 01:56:00,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:56:00,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-24 01:56:00,448 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 01:56:00,448 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 01:56:00,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589343889] [2025-01-24 01:56:00,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589343889] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 01:56:00,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 01:56:00,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 01:56:00,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283598192] [2025-01-24 01:56:00,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 01:56:00,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 01:56:00,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 01:56:00,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 01:56:00,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 01:56:00,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:00,449 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:56:00,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:56:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:00,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:00,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:00,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:00,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:00,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-24 01:56:00,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:56:00,795 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 01:56:00,796 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:56:00,796 INFO L139 ounterexampleChecker]: Examining path program with hash -1615436589, occurence #2 [2025-01-24 01:56:00,796 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 01:56:00,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-24 01:56:00,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:00,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 01:56:00,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:00,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 01:56:00,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:00,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 01:56:00,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:00,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 01:56:00,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:00,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 01:56:00,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:00,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 01:56:00,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:00,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-24 01:56:00,817 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:00,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 01:56:00,817 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:00,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 01:56:00,817 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:00,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-24 01:56:00,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:00,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 01:56:00,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:00,817 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-24 01:56:00,817 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:00,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-24 01:56:00,818 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:00,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-24 01:56:00,818 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:00,818 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 01:56:00,818 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:56:00,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:56:00,818 INFO L85 PathProgramCache]: Analyzing trace with hash -444113675, now seen corresponding path program 1 times [2025-01-24 01:56:00,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 01:56:00,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560313442] [2025-01-24 01:56:00,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:56:00,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:56:00,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:56:00,825 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 01:56:00,826 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 [2025-01-24 01:56:01,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-24 01:56:01,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-24 01:56:01,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:56:01,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:56:01,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-24 01:56:01,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:56:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-24 01:56:01,312 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 01:56:01,312 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 01:56:01,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560313442] [2025-01-24 01:56:01,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560313442] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 01:56:01,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 01:56:01,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-24 01:56:01,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302281105] [2025-01-24 01:56:01,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 01:56:01,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 01:56:01,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 01:56:01,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 01:56:01,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 01:56:01,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:01,314 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:56:01,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:56:01,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:01,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:01,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:01,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:01,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:01,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:01,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:01,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-24 01:56:01,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:56:01,654 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 01:56:01,654 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:56:01,654 INFO L139 ounterexampleChecker]: Examining path program with hash -1615436589, occurence #3 [2025-01-24 01:56:01,654 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 01:56:01,654 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 01:56:01,654 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:01,655 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 01:56:01,655 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:01,655 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 01:56:01,655 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:01,655 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 01:56:01,655 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:01,655 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 01:56:01,655 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:01,655 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 01:56:01,655 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:01,655 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 01:56:01,655 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:01,655 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 01:56:01,655 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:01,655 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 01:56:01,656 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:01,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 01:56:01,656 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:01,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-24 01:56:01,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:01,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 01:56:01,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:01,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-24 01:56:01,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:01,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-24 01:56:01,656 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:01,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-24 01:56:01,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:01,656 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 01:56:01,656 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:56:01,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:56:01,657 INFO L85 PathProgramCache]: Analyzing trace with hash 634680173, now seen corresponding path program 1 times [2025-01-24 01:56:01,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 01:56:01,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [442481326] [2025-01-24 01:56:01,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:56:01,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:56:01,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:56:01,659 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) [2025-01-24 01:56:01,664 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 [2025-01-24 01:56:02,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-24 01:56:02,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-24 01:56:02,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:56:02,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:56:02,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-24 01:56:02,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:56:02,133 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-24 01:56:02,133 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 01:56:02,133 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 01:56:02,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442481326] [2025-01-24 01:56:02,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442481326] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 01:56:02,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 01:56:02,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 01:56:02,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714106363] [2025-01-24 01:56:02,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 01:56:02,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 01:56:02,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 01:56:02,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 01:56:02,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 01:56:02,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:02,135 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:56:02,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:56:02,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:02,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:02,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:02,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:02,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:02,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:02,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:02,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-24 01:56:02,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:56:02,473 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 1 more)] === [2025-01-24 01:56:02,473 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:56:02,473 INFO L139 ounterexampleChecker]: Examining path program with hash -1615436589, occurence #4 [2025-01-24 01:56:02,475 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 01:56:02,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 01:56:02,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:02,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 01:56:02,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:02,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 01:56:02,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:02,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 01:56:02,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:02,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 01:56:02,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:02,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-24 01:56:02,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:02,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 01:56:02,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:02,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 01:56:02,476 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:02,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 01:56:02,476 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:02,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 01:56:02,476 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:02,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-24 01:56:02,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:02,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-24 01:56:02,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:02,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-24 01:56:02,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:02,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-24 01:56:02,476 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:02,476 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 01:56:02,476 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:02,476 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 01:56:02,476 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:56:02,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:56:02,477 INFO L85 PathProgramCache]: Analyzing trace with hash -495902941, now seen corresponding path program 1 times [2025-01-24 01:56:02,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 01:56:02,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1856137205] [2025-01-24 01:56:02,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 01:56:02,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:56:02,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:56:02,479 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 01:56:02,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-24 01:56:02,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-24 01:56:02,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-24 01:56:02,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 01:56:02,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:56:02,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-24 01:56:02,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:56:02,957 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-24 01:56:02,957 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 01:56:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-24 01:56:02,987 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 01:56:02,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856137205] [2025-01-24 01:56:02,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856137205] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 01:56:02,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 01:56:02,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2025-01-24 01:56:02,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657187741] [2025-01-24 01:56:02,988 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 01:56:02,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-24 01:56:02,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 01:56:02,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-24 01:56:02,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-24 01:56:02,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:02,989 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:56:02,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:56:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:02,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:03,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:03,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 01:56:03,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-24 01:56:03,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:56:03,509 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 1 more)] === [2025-01-24 01:56:03,512 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:56:03,512 INFO L139 ounterexampleChecker]: Examining path program with hash -1615436589, occurence #5 [2025-01-24 01:56:03,512 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 01:56:03,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 01:56:03,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:03,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 01:56:03,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:03,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 01:56:03,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:03,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 01:56:03,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:03,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 01:56:03,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:03,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 01:56:03,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:03,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-24 01:56:03,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:03,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-24 01:56:03,512 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:03,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 01:56:03,512 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:03,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 01:56:03,512 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:03,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 01:56:03,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:03,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-24 01:56:03,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:03,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-24 01:56:03,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:03,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-24 01:56:03,513 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:03,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-24 01:56:03,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:03,513 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 01:56:03,513 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:56:03,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:56:03,513 INFO L85 PathProgramCache]: Analyzing trace with hash 620862128, now seen corresponding path program 2 times [2025-01-24 01:56:03,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 01:56:03,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1908140817] [2025-01-24 01:56:03,514 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 01:56:03,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:56:03,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:56:03,517 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 01:56:03,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-24 01:56:03,916 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 93 statements into 2 equivalence classes. [2025-01-24 01:56:04,258 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 93 of 93 statements. [2025-01-24 01:56:04,259 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 01:56:04,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:56:04,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-24 01:56:04,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:56:04,307 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-01-24 01:56:04,308 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 01:56:04,352 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-01-24 01:56:04,353 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 01:56:04,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908140817] [2025-01-24 01:56:04,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908140817] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 01:56:04,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 01:56:04,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-24 01:56:04,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709184207] [2025-01-24 01:56:04,353 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 01:56:04,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-24 01:56:04,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 01:56:04,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-24 01:56:04,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-24 01:56:04,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:04,354 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:56:04,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:56:04,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:04,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:04,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 01:56:04,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 01:56:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 01:56:04,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-24 01:56:05,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:56:05,021 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 1 more)] === [2025-01-24 01:56:05,021 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:56:05,021 INFO L139 ounterexampleChecker]: Examining path program with hash -1615436589, occurence #6 [2025-01-24 01:56:05,022 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 01:56:05,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 01:56:05,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:05,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 01:56:05,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:05,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 01:56:05,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:05,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 01:56:05,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:05,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-24 01:56:05,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:05,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 01:56:05,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:05,023 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-24 01:56:05,023 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:05,023 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-24 01:56:05,023 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:05,023 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-24 01:56:05,023 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:05,023 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 01:56:05,023 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:05,023 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-24 01:56:05,023 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:05,023 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-24 01:56:05,023 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:05,023 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-01-24 01:56:05,023 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:05,023 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-01-24 01:56:05,024 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:05,024 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2025-01-24 01:56:05,024 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:05,024 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 01:56:05,024 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:56:05,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:56:05,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1886630344, now seen corresponding path program 3 times [2025-01-24 01:56:05,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 01:56:05,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1402945937] [2025-01-24 01:56:05,027 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 01:56:05,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:56:05,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:56:05,030 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 01:56:05,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-24 01:56:05,511 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 108 statements into 3 equivalence classes. [2025-01-24 01:56:05,895 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 87 of 108 statements. [2025-01-24 01:56:05,895 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 01:56:05,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 01:56:05,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-24 01:56:05,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 01:56:06,866 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 01:56:06,867 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 181 treesize of output 153 [2025-01-24 01:56:07,320 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-01-24 01:56:07,320 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 01:56:10,686 INFO L349 Elim1Store]: treesize reduction 210, result has 75.1 percent of original size [2025-01-24 01:56:10,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 267 treesize of output 747 [2025-01-24 01:56:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-01-24 01:56:22,871 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 01:56:22,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402945937] [2025-01-24 01:56:22,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402945937] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 01:56:22,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 01:56:22,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 22 [2025-01-24 01:56:22,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561495665] [2025-01-24 01:56:22,871 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 01:56:22,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-24 01:56:22,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 01:56:22,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-24 01:56:22,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2025-01-24 01:56:22,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:22,873 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 01:56:22,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 22 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 01:56:22,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:22,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:22,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:22,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:22,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:22,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 01:56:22,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 01:56:22,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:23,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 01:56:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 01:56:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 01:56:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 01:56:23,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-24 01:56:23,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-24 01:56:24,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:56:24,145 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 1 more)] === [2025-01-24 01:56:24,145 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 01:56:24,145 INFO L139 ounterexampleChecker]: Examining path program with hash -1615436589, occurence #7 [2025-01-24 01:56:24,145 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 01:56:24,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 01:56:24,145 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:24,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 01:56:24,145 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:24,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 01:56:24,145 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:24,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 01:56:24,145 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:24,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-24 01:56:24,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:24,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 01:56:24,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:24,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-24 01:56:24,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:24,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-24 01:56:24,146 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:24,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-24 01:56:24,146 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:24,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-24 01:56:24,146 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:24,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-01-24 01:56:24,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:24,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-01-24 01:56:24,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:24,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-01-24 01:56:24,147 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:24,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-01-24 01:56:24,147 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 01:56:24,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-24 01:56:24,147 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 01:56:24,147 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 01:56:24,147 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 01:56:24,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 01:56:24,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1860593301, now seen corresponding path program 4 times [2025-01-24 01:56:24,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 01:56:24,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [996602065] [2025-01-24 01:56:24,148 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 01:56:24,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 01:56:24,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 01:56:24,150 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 01:56:24,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-24 01:56:24,637 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 117 statements into 2 equivalence classes. Killed by 15