./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis 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-trans.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 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 18:37:52,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 18:37:52,094 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 18:37:52,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 18:37:52,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 18:37:52,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 18:37:52,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 18:37:52,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 18:37:52,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 18:37:52,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 18:37:52,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 18:37:52,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 18:37:52,113 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 18:37:52,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 18:37:52,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 18:37:52,113 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 18:37:52,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 18:37:52,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 18:37:52,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 18:37:52,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 18:37:52,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 18:37:52,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 18:37:52,114 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 18:37:52,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 18:37:52,114 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 18:37:52,114 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 18:37:52,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 18:37:52,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 18:37:52,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 18:37:52,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 18:37:52,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 18:37:52,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 18:37:52,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 18:37:52,115 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 18:37:52,115 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 18:37:52,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 18:37:52,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 18:37:52,115 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 18:37:52,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 18:37:52,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 18:37:52,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 18:37:52,116 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 18:37:52,116 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 18:37:52,116 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 -> 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 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 -> SUFFICIENT [2025-01-23 18:37:52,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 18:37:52,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 18:37:52,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 18:37:52,374 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 18:37:52,374 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 18:37:52,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2025-01-23 18:37:53,596 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/8de636252/d20f3c8593714b7d969182e0a1d99baa/FLAG3a5256fdc [2025-01-23 18:37:53,802 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 18:37:53,804 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2025-01-23 18:37:53,813 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/8de636252/d20f3c8593714b7d969182e0a1d99baa/FLAG3a5256fdc [2025-01-23 18:37:54,151 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/8de636252/d20f3c8593714b7d969182e0a1d99baa [2025-01-23 18:37:54,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 18:37:54,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 18:37:54,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 18:37:54,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 18:37:54,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 18:37:54,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@309f9a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54, skipping insertion in model container [2025-01-23 18:37:54,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 18:37:54,366 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-trans.wvr.c[18913,18926] [2025-01-23 18:37:54,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 18:37:54,382 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 18:37:54,471 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-trans.wvr.c[18913,18926] [2025-01-23 18:37:54,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 18:37:54,494 INFO L204 MainTranslator]: Completed translation [2025-01-23 18:37:54,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54 WrapperNode [2025-01-23 18:37:54,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 18:37:54,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 18:37:54,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 18:37:54,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 18:37:54,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,566 INFO L138 Inliner]: procedures = 25, calls = 439, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2349 [2025-01-23 18:37:54,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 18:37:54,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 18:37:54,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 18:37:54,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 18:37:54,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,631 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 18:37:54,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 18:37:54,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 18:37:54,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 18:37:54,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (1/1) ... [2025-01-23 18:37:54,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 18:37:54,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:37:54,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-23 18:37:54,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-23 18:37:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 18:37:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 18:37:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 18:37:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 18:37:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 18:37:54,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-23 18:37:54,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-23 18:37:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 18:37:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 18:37:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 18:37:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 18:37:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-23 18:37:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 18:37:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 18:37:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 18:37:54,719 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 18:37:54,928 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 18:37:54,930 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 18:37:56,658 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 18:37:56,659 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 18:37:58,350 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 18:37:58,351 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2025-01-23 18:37:58,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 06:37:58 BoogieIcfgContainer [2025-01-23 18:37:58,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 18:37:58,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 18:37:58,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 18:37:58,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 18:37:58,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 06:37:54" (1/3) ... [2025-01-23 18:37:58,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27552d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 06:37:58, skipping insertion in model container [2025-01-23 18:37:58,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:37:54" (2/3) ... [2025-01-23 18:37:58,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27552d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 06:37:58, skipping insertion in model container [2025-01-23 18:37:58,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 06:37:58" (3/3) ... [2025-01-23 18:37:58,358 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2025-01-23 18:37:58,368 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 18:37:58,370 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-trans.wvr.c that has 4 procedures, 98 locations, 1 initial locations, 18 loop locations, and 1 error locations. [2025-01-23 18:37:58,370 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 18:37:58,652 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-23 18:37:58,684 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 18:37:58,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 18:37:58,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:37:58,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-23 18:37:58,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-23 18:37:58,846 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 18:37:58,859 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 18:37:58,864 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;@2b1b9926, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 18:37:58,865 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-23 18:37:59,067 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)] === [2025-01-23 18:37:59,067 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:37:59,067 INFO L139 ounterexampleChecker]: Examining path program with hash 938542760, occurence #1 [2025-01-23 18:37:59,067 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:37:59,067 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:37:59,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:37:59,071 INFO L85 PathProgramCache]: Analyzing trace with hash -936954643, now seen corresponding path program 1 times [2025-01-23 18:37:59,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:37:59,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154522562] [2025-01-23 18:37:59,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:37:59,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:37:59,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-23 18:37:59,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-23 18:37:59,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:37:59,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:37:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:37:59,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:37:59,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154522562] [2025-01-23 18:37:59,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154522562] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:37:59,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:37:59,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 18:37:59,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003838251] [2025-01-23 18:37:59,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:37:59,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 18:37:59,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:37:59,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 18:37:59,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 18:37:59,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:37:59,706 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:37:59,707 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) [2025-01-23 18:37:59,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:37:59,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:37:59,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 18:37:59,891 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)] === [2025-01-23 18:37:59,891 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:37:59,891 INFO L139 ounterexampleChecker]: Examining path program with hash -59401764, occurence #1 [2025-01-23 18:37:59,891 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:37:59,891 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:37:59,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:37:59,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1463917253, now seen corresponding path program 1 times [2025-01-23 18:37:59,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:37:59,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418246572] [2025-01-23 18:37:59,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:37:59,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:37:59,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-23 18:37:59,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-23 18:37:59,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:37:59,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:38:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-23 18:38:00,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:38:00,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418246572] [2025-01-23 18:38:00,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418246572] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:38:00,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:38:00,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 18:38:00,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905543548] [2025-01-23 18:38:00,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:38:00,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 18:38:00,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:38:00,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 18:38:00,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 18:38:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:38:00,290 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:38:00,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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) [2025-01-23 18:38:00,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:00,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:38:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:00,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-23 18:38:00,448 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)] === [2025-01-23 18:38:00,448 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:38:00,448 INFO L139 ounterexampleChecker]: Examining path program with hash -59401764, occurence #2 [2025-01-23 18:38:00,449 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:38:00,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 18:38:00,449 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:00,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-23 18:38:00,449 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:00,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-23 18:38:00,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:00,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-23 18:38:00,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:00,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-23 18:38:00,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:00,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-23 18:38:00,464 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:00,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-23 18:38:00,465 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:00,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-23 18:38:00,465 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:00,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-23 18:38:00,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:00,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 18:38:00,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:00,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-23 18:38:00,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:00,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-23 18:38:00,465 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:00,465 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:38:00,465 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:38:00,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:38:00,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2079183920, now seen corresponding path program 1 times [2025-01-23 18:38:00,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:38:00,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686195380] [2025-01-23 18:38:00,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:38:00,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:38:00,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-23 18:38:00,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-23 18:38:00,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:38:00,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:38:00,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-23 18:38:00,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:38:00,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686195380] [2025-01-23 18:38:00,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686195380] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:38:00,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030539361] [2025-01-23 18:38:00,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:38:00,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:38:00,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:38:00,873 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:38:00,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-23 18:38:01,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-23 18:38:01,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-23 18:38:01,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:38:01,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:38:01,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-23 18:38:01,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:38:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-23 18:38:01,403 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:38:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-23 18:38:01,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030539361] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:38:01,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:38:01,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2025-01-23 18:38:01,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133408300] [2025-01-23 18:38:01,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:38:01,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-23 18:38:01,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:38:01,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-23 18:38:01,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-01-23 18:38:01,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:38:01,426 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:38:01,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:38:01,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:01,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:01,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:38:01,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:01,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:01,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:38:01,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 18:38:01,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:38:01,842 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)] === [2025-01-23 18:38:01,842 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:38:01,842 INFO L139 ounterexampleChecker]: Examining path program with hash -59401764, occurence #3 [2025-01-23 18:38:01,842 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:38:01,842 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-23 18:38:01,842 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:01,842 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-23 18:38:01,842 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:01,842 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-23 18:38:01,842 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:01,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-23 18:38:01,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:01,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-23 18:38:01,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:01,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-23 18:38:01,843 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:01,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-23 18:38:01,843 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:01,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-23 18:38:01,843 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:01,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-23 18:38:01,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:01,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-01-23 18:38:01,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:01,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-01-23 18:38:01,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:01,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-23 18:38:01,843 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:01,843 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:38:01,843 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:38:01,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:38:01,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1698540834, now seen corresponding path program 1 times [2025-01-23 18:38:01,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:38:01,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557851533] [2025-01-23 18:38:01,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:38:01,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:38:01,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-01-23 18:38:01,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-23 18:38:01,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:38:01,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:38:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-23 18:38:02,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:38:02,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557851533] [2025-01-23 18:38:02,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557851533] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:38:02,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345216341] [2025-01-23 18:38:02,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:38:02,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:38:02,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:38:02,299 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:38:02,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-23 18:38:02,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-01-23 18:38:02,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-23 18:38:02,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:38:02,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:38:02,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 18:38:02,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:38:02,931 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-23 18:38:02,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:38:03,005 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-23 18:38:03,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345216341] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:38:03,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:38:03,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2025-01-23 18:38:03,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667021848] [2025-01-23 18:38:03,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:38:03,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-23 18:38:03,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:38:03,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-23 18:38:03,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2025-01-23 18:38:03,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:38:03,007 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:38:03,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.588235294117647) internal successors, (78), 17 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:38:03,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:03,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:03,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:38:03,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:38:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:38:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 18:38:03,331 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 [2025-01-23 18:38:03,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:38:03,523 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)] === [2025-01-23 18:38:03,523 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:38:03,523 INFO L139 ounterexampleChecker]: Examining path program with hash -59401764, occurence #4 [2025-01-23 18:38:03,523 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:38:03,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 18:38:03,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:03,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-23 18:38:03,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:03,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-23 18:38:03,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:03,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-23 18:38:03,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:03,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-23 18:38:03,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:03,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-23 18:38:03,524 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:03,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-23 18:38:03,524 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:03,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-23 18:38:03,524 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:03,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-23 18:38:03,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:03,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-23 18:38:03,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:03,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-01-23 18:38:03,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:03,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-01-23 18:38:03,524 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:03,524 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:38:03,524 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:38:03,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:38:03,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1097477392, now seen corresponding path program 2 times [2025-01-23 18:38:03,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:38:03,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289554147] [2025-01-23 18:38:03,525 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:38:03,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:38:03,573 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-01-23 18:38:03,607 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 54 of 108 statements. [2025-01-23 18:38:03,608 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-23 18:38:03,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:38:03,828 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-01-23 18:38:03,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:38:03,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289554147] [2025-01-23 18:38:03,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289554147] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:38:03,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:38:03,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 18:38:03,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870656826] [2025-01-23 18:38:03,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:38:03,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 18:38:03,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:38:03,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 18:38:03,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 18:38:03,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:38:03,829 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:38:03,829 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) [2025-01-23 18:38:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:03,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:38:03,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 18:38:03,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:38:03,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:03,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:03,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:38:03,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 18:38:03,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:03,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-23 18:38:03,933 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)] === [2025-01-23 18:38:03,933 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:38:03,933 INFO L139 ounterexampleChecker]: Examining path program with hash -294912643, occurence #1 [2025-01-23 18:38:03,933 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:38:03,933 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:38:03,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:38:03,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1428887769, now seen corresponding path program 1 times [2025-01-23 18:38:03,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:38:03,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611980102] [2025-01-23 18:38:03,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:38:03,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:38:03,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-23 18:38:04,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-23 18:38:04,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:38:04,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:38:04,430 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2025-01-23 18:38:04,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:38:04,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611980102] [2025-01-23 18:38:04,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611980102] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:38:04,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403641497] [2025-01-23 18:38:04,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:38:04,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:38:04,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:38:04,433 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:38:04,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-23 18:38:04,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-01-23 18:38:04,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-01-23 18:38:04,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:38:04,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:38:04,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-23 18:38:04,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:38:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2025-01-23 18:38:05,073 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:38:05,180 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2025-01-23 18:38:05,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403641497] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:38:05,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:38:05,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2025-01-23 18:38:05,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893598889] [2025-01-23 18:38:05,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:38:05,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-23 18:38:05,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:38:05,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-23 18:38:05,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=205, Unknown=0, NotChecked=0, Total=380 [2025-01-23 18:38:05,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:38:05,185 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:38:05,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.15) internal successors, (83), 20 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:38:05,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:05,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:05,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:38:05,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 18:38:05,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:05,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:38:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:38:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 18:38:05,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:05,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:38:05,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-23 18:38:05,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:38:05,831 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)] === [2025-01-23 18:38:05,831 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:38:05,831 INFO L139 ounterexampleChecker]: Examining path program with hash -294912643, occurence #2 [2025-01-23 18:38:05,831 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:38:05,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 18:38:05,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:05,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-23 18:38:05,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:05,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-23 18:38:05,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:05,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-23 18:38:05,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:05,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-23 18:38:05,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:05,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-23 18:38:05,831 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:05,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-23 18:38:05,831 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:05,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-01-23 18:38:05,832 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:05,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-01-23 18:38:05,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:05,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-01-23 18:38:05,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:05,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2025-01-23 18:38:05,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:05,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-23 18:38:05,832 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:05,832 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:38:05,832 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:38:05,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:38:05,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1893321060, now seen corresponding path program 2 times [2025-01-23 18:38:05,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:38:05,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089969808] [2025-01-23 18:38:05,832 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:38:05,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:38:05,905 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 138 statements into 2 equivalence classes. [2025-01-23 18:38:06,439 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 138 of 138 statements. [2025-01-23 18:38:06,441 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:38:06,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:38:07,023 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2025-01-23 18:38:07,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:38:07,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089969808] [2025-01-23 18:38:07,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089969808] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:38:07,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988794102] [2025-01-23 18:38:07,024 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:38:07,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:38:07,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:38:07,026 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:38:07,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-23 18:38:07,515 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 138 statements into 2 equivalence classes. [2025-01-23 18:38:07,658 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 138 of 138 statements. [2025-01-23 18:38:07,658 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:38:07,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:38:07,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-23 18:38:07,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:38:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2025-01-23 18:38:07,834 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:38:07,957 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2025-01-23 18:38:07,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988794102] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:38:07,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 18:38:07,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2025-01-23 18:38:07,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140362446] [2025-01-23 18:38:07,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 18:38:07,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-23 18:38:07,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 18:38:07,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-23 18:38:07,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=484, Unknown=0, NotChecked=0, Total=812 [2025-01-23 18:38:07,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:38:07,960 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:38:07,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.103448275862069) internal successors, (90), 29 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 18:38:07,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:07,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:07,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:38:07,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-23 18:38:07,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:07,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:38:07,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:38:08,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:38:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-23 18:38:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:38:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-23 18:38:08,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-23 18:38:08,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-23 18:38:08,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:38:08,506 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)] === [2025-01-23 18:38:08,506 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:38:08,506 INFO L139 ounterexampleChecker]: Examining path program with hash -294912643, occurence #3 [2025-01-23 18:38:08,506 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:38:08,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 18:38:08,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:08,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-23 18:38:08,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:08,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-23 18:38:08,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:08,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-23 18:38:08,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:08,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-23 18:38:08,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:08,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-23 18:38:08,506 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:08,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-23 18:38:08,506 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:08,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-01-23 18:38:08,506 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:08,506 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-01-23 18:38:08,506 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:08,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-23 18:38:08,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:08,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-01-23 18:38:08,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:38:08,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2025-01-23 18:38:08,507 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:38:08,507 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:38:08,507 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:38:08,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:38:08,507 INFO L85 PathProgramCache]: Analyzing trace with hash -52293031, now seen corresponding path program 3 times [2025-01-23 18:38:08,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 18:38:08,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72535753] [2025-01-23 18:38:08,507 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 18:38:08,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 18:38:08,568 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 141 statements into 8 equivalence classes. [2025-01-23 18:38:09,081 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 87 of 141 statements. [2025-01-23 18:38:09,082 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 18:38:09,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:38:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-01-23 18:38:12,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 18:38:12,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72535753] [2025-01-23 18:38:12,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72535753] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 18:38:12,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854838145] [2025-01-23 18:38:12,118 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 18:38:12,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:38:12,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:38:12,120 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:38:12,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-23 18:38:12,585 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 141 statements into 8 equivalence classes. [2025-01-23 18:38:12,704 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 87 of 141 statements. [2025-01-23 18:38:12,704 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 18:38:12,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:38:12,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-01-23 18:38:12,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:38:16,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 18:38:16,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 177 treesize of output 1722 [2025-01-23 18:44:40,603 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2025-01-23 18:44:40,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2025-01-23 18:44:40,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-23 18:44:40,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:44:40,810 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 [2025-01-23 18:44:40,811 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)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:177) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:146) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:584) 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$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$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$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: java.io.IOException: Broken pipe at java.base/java.io.FileOutputStream.writeBytes(Native Method) at java.base/java.io.FileOutputStream.write(FileOutputStream.java:367) at java.base/java.io.BufferedOutputStream.implWrite(BufferedOutputStream.java:217) at java.base/java.io.BufferedOutputStream.write(BufferedOutputStream.java:206) at java.base/sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:309) at java.base/sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:381) at java.base/sun.nio.cs.StreamEncoder.implWrite(StreamEncoder.java:357) at java.base/sun.nio.cs.StreamEncoder.lockedWrite(StreamEncoder.java:158) at java.base/sun.nio.cs.StreamEncoder.write(StreamEncoder.java:139) at java.base/java.io.OutputStreamWriter.write(OutputStreamWriter.java:219) at java.base/java.io.BufferedWriter.implFlushBuffer(BufferedWriter.java:178) at java.base/java.io.BufferedWriter.flushBuffer(BufferedWriter.java:163) at java.base/java.io.BufferedWriter.implFlush(BufferedWriter.java:371) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:359) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:175) ... 77 more [2025-01-23 18:44:40,818 INFO L158 Benchmark]: Toolchain (without parser) took 406663.04ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 90.9MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2025-01-23 18:44:40,818 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 60.2MB in the end (delta: 35.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 18:44:40,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.13ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 64.0MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-23 18:44:40,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.13ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 52.7MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-23 18:44:40,819 INFO L158 Benchmark]: Boogie Preprocessor took 100.31ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 42.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-23 18:44:40,820 INFO L158 Benchmark]: RCFGBuilder took 3684.03ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 42.1MB in the beginning and 194.9MB in the end (delta: -152.8MB). Peak memory consumption was 174.0MB. Max. memory is 16.1GB. [2025-01-23 18:44:40,820 INFO L158 Benchmark]: TraceAbstraction took 402464.10ms. Allocated memory was 285.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 194.9MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2025-01-23 18:44:40,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 60.2MB in the end (delta: 35.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.13ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 64.0MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.13ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 52.7MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.31ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 42.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3684.03ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 42.1MB in the beginning and 194.9MB in the end (delta: -152.8MB). Peak memory consumption was 174.0MB. Max. memory is 16.1GB. * TraceAbstraction took 402464.10ms. Allocated memory was 285.2MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 194.9MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.0GB. 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)) Connection to SMT solver broken 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)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) 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-trans.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 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 18:44:42,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 18:44:42,638 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2025-01-23 18:44:42,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 18:44:42,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 18:44:42,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 18:44:42,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 18:44:42,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 18:44:42,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 18:44:42,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 18:44:42,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 18:44:42,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 18:44:42,666 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 18:44:42,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 18:44:42,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 18:44:42,666 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 18:44:42,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 18:44:42,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 18:44:42,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 18:44:42,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 18:44:42,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 18:44:42,667 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-23 18:44:42,667 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-23 18:44:42,667 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 18:44:42,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 18:44:42,667 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 18:44:42,667 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 18:44:42,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 18:44:42,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 18:44:42,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 18:44:42,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 18:44:42,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 18:44:42,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 18:44:42,668 INFO L153 SettingsManager]: * Refinement strategy for commutativity condition synthesis=FOX [2025-01-23 18:44:42,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 18:44:42,668 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 18:44:42,668 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 18:44:42,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 18:44:42,668 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-23 18:44:42,668 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 18:44:42,668 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-23 18:44:42,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 18:44:42,669 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 18:44:42,669 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 18:44:42,669 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 18:44:42,669 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 -> 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 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 -> SUFFICIENT [2025-01-23 18:44:42,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 18:44:42,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 18:44:42,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 18:44:42,939 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 18:44:42,939 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 18:44:42,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2025-01-23 18:44:44,081 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/031b56a82/48154d1813a647cd9a23159f51043ab9/FLAGb87d81613 [2025-01-23 18:44:44,313 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 18:44:44,313 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2025-01-23 18:44:44,328 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/031b56a82/48154d1813a647cd9a23159f51043ab9/FLAGb87d81613 [2025-01-23 18:44:44,659 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/031b56a82/48154d1813a647cd9a23159f51043ab9 [2025-01-23 18:44:44,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 18:44:44,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 18:44:44,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 18:44:44,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 18:44:44,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 18:44:44,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 06:44:44" (1/1) ... [2025-01-23 18:44:44,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75965578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:44, skipping insertion in model container [2025-01-23 18:44:44,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 06:44:44" (1/1) ... [2025-01-23 18:44:44,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 18:44:44,907 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-trans.wvr.c[18913,18926] [2025-01-23 18:44:44,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 18:44:44,924 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 18:44:45,032 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-trans.wvr.c[18913,18926] [2025-01-23 18:44:45,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 18:44:45,046 INFO L204 MainTranslator]: Completed translation [2025-01-23 18:44:45,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45 WrapperNode [2025-01-23 18:44:45,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 18:44:45,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 18:44:45,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 18:44:45,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 18:44:45,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (1/1) ... [2025-01-23 18:44:45,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (1/1) ... [2025-01-23 18:44:45,133 INFO L138 Inliner]: procedures = 27, calls = 439, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2316 [2025-01-23 18:44:45,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 18:44:45,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 18:44:45,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 18:44:45,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 18:44:45,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (1/1) ... [2025-01-23 18:44:45,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (1/1) ... [2025-01-23 18:44:45,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (1/1) ... [2025-01-23 18:44:45,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (1/1) ... [2025-01-23 18:44:45,217 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (1/1) ... [2025-01-23 18:44:45,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (1/1) ... [2025-01-23 18:44:45,239 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (1/1) ... [2025-01-23 18:44:45,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (1/1) ... [2025-01-23 18:44:45,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (1/1) ... [2025-01-23 18:44:45,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 18:44:45,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 18:44:45,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 18:44:45,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 18:44:45,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (1/1) ... [2025-01-23 18:44:45,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 18:44:45,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:44:45,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-23 18:44:45,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-23 18:44:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 18:44:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2025-01-23 18:44:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2025-01-23 18:44:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 18:44:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 18:44:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 18:44:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 18:44:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-23 18:44:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-23 18:44:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 18:44:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 18:44:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-23 18:44:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 18:44:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 18:44:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2025-01-23 18:44:45,342 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 18:44:45,550 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 18:44:45,552 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 18:44:47,594 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 18:44:47,595 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 18:44:49,609 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 18:44:49,611 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2025-01-23 18:44:49,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 06:44:49 BoogieIcfgContainer [2025-01-23 18:44:49,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 18:44:49,613 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 18:44:49,614 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 18:44:49,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 18:44:49,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 06:44:44" (1/3) ... [2025-01-23 18:44:49,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb1f071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 06:44:49, skipping insertion in model container [2025-01-23 18:44:49,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 06:44:45" (2/3) ... [2025-01-23 18:44:49,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb1f071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 06:44:49, skipping insertion in model container [2025-01-23 18:44:49,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 06:44:49" (3/3) ... [2025-01-23 18:44:49,620 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2025-01-23 18:44:49,632 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 18:44:49,633 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-trans.wvr.c that has 4 procedures, 98 locations, 1 initial locations, 18 loop locations, and 1 error locations. [2025-01-23 18:44:49,634 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 18:44:50,037 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-23 18:44:50,071 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 18:44:50,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 18:44:50,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:44:50,074 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-23 18:44:50,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-23 18:44:50,263 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 18:44:50,278 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 18:44:50,285 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;@67eb9796, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 18:44:50,286 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-23 18:44:50,570 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)] === [2025-01-23 18:44:50,571 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:44:50,573 INFO L139 ounterexampleChecker]: Examining path program with hash -430444322, occurence #1 [2025-01-23 18:44:50,573 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:44:50,573 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:44:50,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:44:50,577 INFO L85 PathProgramCache]: Analyzing trace with hash 50177965, now seen corresponding path program 1 times [2025-01-23 18:44:50,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-23 18:44:50,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [387488061] [2025-01-23 18:44:50,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:44:50,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:44:50,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:44:50,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:44:50,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-23 18:44:51,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-23 18:44:51,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-23 18:44:51,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:44:51,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:44:51,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-23 18:44:51,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:44:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:44:51,105 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-23 18:44:51,105 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-23 18:44:51,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387488061] [2025-01-23 18:44:51,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387488061] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:44:51,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:44:51,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-23 18:44:51,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813104538] [2025-01-23 18:44:51,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:44:51,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-23 18:44:51,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-23 18:44:51,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-23 18:44:51,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-23 18:44:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:51,124 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:44:51,125 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) [2025-01-23 18:44:51,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:51,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:51,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 18:44:51,490 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 [2025-01-23 18:44:51,490 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)] === [2025-01-23 18:44:51,490 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:44:51,491 INFO L139 ounterexampleChecker]: Examining path program with hash -1422830403, occurence #1 [2025-01-23 18:44:51,491 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:44:51,491 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:44:51,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:44:51,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1315338242, now seen corresponding path program 1 times [2025-01-23 18:44:51,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-23 18:44:51,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [627325066] [2025-01-23 18:44:51,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:44:51,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:44:51,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:44:51,494 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:44:51,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-23 18:44:51,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-23 18:44:51,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-23 18:44:51,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:44:51,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:44:51,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-23 18:44:51,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:44:52,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 18:44:52,022 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-23 18:44:52,022 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-23 18:44:52,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627325066] [2025-01-23 18:44:52,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627325066] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:44:52,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:44:52,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 18:44:52,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715223560] [2025-01-23 18:44:52,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:44:52,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 18:44:52,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-23 18:44:52,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 18:44:52,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 18:44:52,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:52,025 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:44:52,026 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) [2025-01-23 18:44:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:52,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:52,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:52,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-23 18:44:52,439 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 [2025-01-23 18:44:52,439 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)] === [2025-01-23 18:44:52,439 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:44:52,439 INFO L139 ounterexampleChecker]: Examining path program with hash 2105644502, occurence #1 [2025-01-23 18:44:52,439 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 18:44:52,439 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:44:52,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:44:52,440 INFO L85 PathProgramCache]: Analyzing trace with hash -117462843, now seen corresponding path program 1 times [2025-01-23 18:44:52,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-23 18:44:52,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [88821698] [2025-01-23 18:44:52,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:44:52,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:44:52,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:44:52,443 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:44:52,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-23 18:44:52,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-23 18:44:52,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-23 18:44:52,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:44:52,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:44:52,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-23 18:44:52,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:44:52,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-23 18:44:52,924 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-23 18:44:52,924 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-23 18:44:52,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88821698] [2025-01-23 18:44:52,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88821698] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:44:52,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:44:52,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 18:44:52,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653849147] [2025-01-23 18:44:52,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:44:52,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 18:44:52,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-23 18:44:52,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 18:44:52,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 18:44:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:52,927 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:44:52,927 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) [2025-01-23 18:44:52,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:52,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:52,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:53,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:53,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:53,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:53,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-23 18:44:53,303 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 [2025-01-23 18:44:53,304 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)] === [2025-01-23 18:44:53,304 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:44:53,304 INFO L139 ounterexampleChecker]: Examining path program with hash 2105644502, occurence #2 [2025-01-23 18:44:53,304 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:44:53,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-23 18:44:53,304 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:53,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-23 18:44:53,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:53,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-23 18:44:53,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:53,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-23 18:44:53,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:53,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-23 18:44:53,305 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:53,305 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-23 18:44:53,317 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:53,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-23 18:44:53,317 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:53,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-23 18:44:53,317 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:53,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-23 18:44:53,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:53,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-23 18:44:53,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:53,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-23 18:44:53,317 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:53,317 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-23 18:44:53,317 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:53,317 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:44:53,317 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:44:53,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:44:53,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1450846166, now seen corresponding path program 1 times [2025-01-23 18:44:53,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-23 18:44:53,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869774892] [2025-01-23 18:44:53,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:44:53,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:44:53,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:44:53,322 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:44:53,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-23 18:44:53,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-23 18:44:53,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-23 18:44:53,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:44:53,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:44:53,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-23 18:44:53,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:44:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-23 18:44:53,827 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-23 18:44:53,827 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-23 18:44:53,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869774892] [2025-01-23 18:44:53,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869774892] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:44:53,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:44:53,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-23 18:44:53,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624145990] [2025-01-23 18:44:53,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:44:53,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 18:44:53,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-23 18:44:53,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 18:44:53,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 18:44:53,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:53,829 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:44:53,829 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) [2025-01-23 18:44:53,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:53,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:53,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:53,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:54,021 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 [2025-01-23 18:44:54,210 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 [2025-01-23 18:44:54,211 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)] === [2025-01-23 18:44:54,211 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:44:54,211 INFO L139 ounterexampleChecker]: Examining path program with hash 2105644502, occurence #3 [2025-01-23 18:44:54,211 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:44:54,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 18:44:54,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:54,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-23 18:44:54,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:54,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-23 18:44:54,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:54,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-23 18:44:54,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:54,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-23 18:44:54,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:54,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-23 18:44:54,211 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:54,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-23 18:44:54,212 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:54,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-23 18:44:54,212 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:54,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-23 18:44:54,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:54,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-23 18:44:54,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:54,215 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-23 18:44:54,216 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:54,216 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-23 18:44:54,216 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:54,216 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:44:54,216 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:44:54,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:44:54,216 INFO L85 PathProgramCache]: Analyzing trace with hash -968067113, now seen corresponding path program 1 times [2025-01-23 18:44:54,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-23 18:44:54,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469365038] [2025-01-23 18:44:54,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:44:54,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:44:54,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:44:54,219 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 18:44:54,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-23 18:44:54,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-23 18:44:54,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-23 18:44:54,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:44:54,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:44:54,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-23 18:44:54,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:44:54,680 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-23 18:44:54,682 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-23 18:44:54,683 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-23 18:44:54,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469365038] [2025-01-23 18:44:54,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469365038] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 18:44:54,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 18:44:54,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 18:44:54,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022703327] [2025-01-23 18:44:54,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 18:44:54,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 18:44:54,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-23 18:44:54,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 18:44:54,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 18:44:54,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:54,685 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:44:54,685 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) [2025-01-23 18:44:54,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:54,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:54,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:54,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:54,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:54,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:54,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-23 18:44:55,045 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 [2025-01-23 18:44:55,045 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)] === [2025-01-23 18:44:55,045 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:44:55,046 INFO L139 ounterexampleChecker]: Examining path program with hash 2105644502, occurence #4 [2025-01-23 18:44:55,046 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:44:55,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 18:44:55,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:55,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-23 18:44:55,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:55,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-23 18:44:55,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:55,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-23 18:44:55,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:55,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-23 18:44:55,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:55,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-23 18:44:55,046 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:55,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-23 18:44:55,046 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:55,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-23 18:44:55,046 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:55,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-23 18:44:55,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:55,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-23 18:44:55,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:55,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-23 18:44:55,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:55,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-23 18:44:55,046 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:55,046 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:44:55,046 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:44:55,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:44:55,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1085991192, now seen corresponding path program 1 times [2025-01-23 18:44:55,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-23 18:44:55,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784021207] [2025-01-23 18:44:55,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 18:44:55,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:44:55,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:44:55,049 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) [2025-01-23 18:44:55,050 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 [2025-01-23 18:44:55,421 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-23 18:44:55,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-23 18:44:55,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 18:44:55,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:44:55,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-23 18:44:55,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:44:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-23 18:44:55,542 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:44:55,570 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-23 18:44:55,570 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-23 18:44:55,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784021207] [2025-01-23 18:44:55,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784021207] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:44:55,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 18:44:55,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-01-23 18:44:55,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19113919] [2025-01-23 18:44:55,571 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-23 18:44:55,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 18:44:55,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-23 18:44:55,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 18:44:55,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-23 18:44:55,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:55,573 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:44:55,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 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) [2025-01-23 18:44:55,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:55,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:55,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:55,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:55,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:55,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:55,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 18:44:55,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-23 18:44:56,117 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 [2025-01-23 18:44:56,117 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)] === [2025-01-23 18:44:56,117 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:44:56,117 INFO L139 ounterexampleChecker]: Examining path program with hash 2105644502, occurence #5 [2025-01-23 18:44:56,117 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:44:56,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-23 18:44:56,117 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:56,117 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-23 18:44:56,117 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:56,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-23 18:44:56,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:56,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-23 18:44:56,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:56,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-23 18:44:56,118 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:56,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-23 18:44:56,118 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:56,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-23 18:44:56,118 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:56,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-23 18:44:56,118 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:56,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-23 18:44:56,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:56,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-23 18:44:56,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:56,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-23 18:44:56,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:56,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-23 18:44:56,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:56,119 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:44:56,119 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:44:56,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:44:56,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1190726203, now seen corresponding path program 2 times [2025-01-23 18:44:56,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-23 18:44:56,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1561942834] [2025-01-23 18:44:56,120 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 18:44:56,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:44:56,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:44:56,123 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) [2025-01-23 18:44:56,124 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 [2025-01-23 18:44:56,503 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 93 statements into 2 equivalence classes. [2025-01-23 18:44:56,900 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 93 of 93 statements. [2025-01-23 18:44:56,900 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 18:44:56,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:44:56,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 18:44:56,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:44:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-01-23 18:44:56,942 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:44:57,017 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-01-23 18:44:57,017 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-23 18:44:57,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561942834] [2025-01-23 18:44:57,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561942834] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 18:44:57,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 18:44:57,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-23 18:44:57,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496990223] [2025-01-23 18:44:57,017 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-23 18:44:57,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-23 18:44:57,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-23 18:44:57,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-23 18:44:57,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-23 18:44:57,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:57,018 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 18:44:57,018 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) [2025-01-23 18:44:57,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:57,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:57,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:57,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:57,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:57,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-23 18:44:57,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 18:44:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 18:44:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-23 18:44:57,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-23 18:44:57,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-23 18:44:57,780 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 [2025-01-23 18:44:57,780 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)] === [2025-01-23 18:44:57,780 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 18:44:57,780 INFO L139 ounterexampleChecker]: Examining path program with hash 2105644502, occurence #6 [2025-01-23 18:44:57,780 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 18:44:57,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-23 18:44:57,781 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:57,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-23 18:44:57,781 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:57,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-23 18:44:57,781 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:57,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-23 18:44:57,781 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:57,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-23 18:44:57,781 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:57,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-23 18:44:57,781 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:57,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-23 18:44:57,781 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:57,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-23 18:44:57,781 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:57,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-23 18:44:57,781 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:57,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-23 18:44:57,781 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:57,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-01-23 18:44:57,781 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 18:44:57,781 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-01-23 18:44:57,781 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 18:44:57,781 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 18:44:57,781 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 18:44:57,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 18:44:57,782 INFO L85 PathProgramCache]: Analyzing trace with hash 66005814, now seen corresponding path program 3 times [2025-01-23 18:44:57,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-23 18:44:57,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [854139074] [2025-01-23 18:44:57,782 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 18:44:57,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 18:44:57,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 18:44:57,784 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) [2025-01-23 18:44:57,784 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 [2025-01-23 18:44:58,175 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 108 statements into 3 equivalence classes. [2025-01-23 18:44:58,561 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 87 of 108 statements. [2025-01-23 18:44:58,561 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-23 18:44:58,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 18:44:58,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-23 18:44:58,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 18:45:02,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 18:45:02,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 70 treesize of output 286 [2025-01-23 18:45:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-01-23 18:45:03,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 18:45:30,542 WARN L286 SmtUtils]: Spent 22.29s on a formula simplification that was a NOOP. DAG size: 1016 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-23 18:45:30,543 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-23 18:45:30,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 474 treesize of output 2969 Killed by 15