./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 44c38e66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 --- Real Ultimate output --- This is Ultimate 0.3.0-?-44c38e6-m [2025-04-24 19:44:12,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 19:44:12,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 19:44:13,003 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 19:44:13,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 19:44:13,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 19:44:13,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 19:44:13,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 19:44:13,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 19:44:13,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 19:44:13,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 19:44:13,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 19:44:13,028 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 19:44:13,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 19:44:13,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 19:44:13,029 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 19:44:13,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 19:44:13,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 19:44:13,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 19:44:13,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 19:44:13,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 19:44:13,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 19:44:13,031 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 19:44:13,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 19:44:13,031 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 19:44:13,031 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 19:44:13,031 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 19:44:13,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:44:13,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:44:13,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:44:13,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:44:13,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:44:13,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 19:44:13,032 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 19:44:13,032 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/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 -> 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 [2025-04-24 19:44:13,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 19:44:13,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 19:44:13,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 19:44:13,254 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 19:44:13,254 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 19:44:13,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2025-04-24 19:44:14,539 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7176d2438/6b6f80cc55674987a649842127f4795a/FLAG0ab8de915 [2025-04-24 19:44:14,785 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 19:44:14,790 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2025-04-24 19:44:14,800 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7176d2438/6b6f80cc55674987a649842127f4795a/FLAG0ab8de915 [2025-04-24 19:44:15,541 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7176d2438/6b6f80cc55674987a649842127f4795a [2025-04-24 19:44:15,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 19:44:15,544 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 19:44:15,545 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 19:44:15,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 19:44:15,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 19:44:15,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:15,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5595a450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15, skipping insertion in model container [2025-04-24 19:44:15,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:15,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 19:44:15,807 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c[12847,12860] [2025-04-24 19:44:15,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:44:15,822 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 19:44:15,893 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c[12847,12860] [2025-04-24 19:44:15,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:44:15,908 INFO L204 MainTranslator]: Completed translation [2025-04-24 19:44:15,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15 WrapperNode [2025-04-24 19:44:15,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 19:44:15,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 19:44:15,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 19:44:15,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 19:44:15,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:15,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:15,977 INFO L138 Inliner]: procedures = 24, calls = 297, calls flagged for inlining = 69, calls inlined = 97, statements flattened = 1531 [2025-04-24 19:44:15,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 19:44:15,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 19:44:15,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 19:44:15,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 19:44:15,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:15,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:16,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:16,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:16,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:16,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:16,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:16,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:16,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:16,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 19:44:16,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 19:44:16,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 19:44:16,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 19:44:16,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (1/1) ... [2025-04-24 19:44:16,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:44:16,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:44:16,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-24 19:44:16,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-24 19:44:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 19:44:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 19:44:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 19:44:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 19:44:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 19:44:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 19:44:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 19:44:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 19:44:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 19:44:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 19:44:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 19:44:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 19:44:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 19:44:16,130 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-24 19:44:16,283 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 19:44:16,284 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 19:44:17,509 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 19:44:17,510 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 19:44:18,671 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 19:44:18,672 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-04-24 19:44:18,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:44:18 BoogieIcfgContainer [2025-04-24 19:44:18,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 19:44:18,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 19:44:18,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 19:44:18,677 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 19:44:18,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 07:44:15" (1/3) ... [2025-04-24 19:44:18,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321d1482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:44:18, skipping insertion in model container [2025-04-24 19:44:18,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:44:15" (2/3) ... [2025-04-24 19:44:18,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321d1482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:44:18, skipping insertion in model container [2025-04-24 19:44:18,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:44:18" (3/3) ... [2025-04-24 19:44:18,680 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2025-04-24 19:44:18,691 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 19:44:18,694 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-symm.wvr.c that has 3 procedures, 67 locations, 92 edges, 1 initial locations, 12 loop locations, and 1 error locations. [2025-04-24 19:44:18,694 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 19:44:18,919 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-24 19:44:18,956 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:44:18,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 19:44:18,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:44:18,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-24 19:44:18,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-24 19:44:19,071 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 19:44:19,085 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 19:44:19,091 INFO L340 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;@72bd68d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:44:19,091 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-24 19:44:19,285 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:44:19,286 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:44:19,286 INFO L139 ounterexampleChecker]: Examining path program with hash 224747199, occurence #1 [2025-04-24 19:44:19,286 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:44:19,286 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:44:19,289 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:44:19,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1744594146, now seen corresponding path program 1 times [2025-04-24 19:44:19,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:44:19,296 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241862566] [2025-04-24 19:44:19,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:44:19,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:44:19,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-04-24 19:44:19,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-04-24 19:44:19,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:44:19,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:44:19,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:44:19,739 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241862566] [2025-04-24 19:44:19,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241862566] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:44:19,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:44:19,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:44:19,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268567126] [2025-04-24 19:44:19,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:44:19,742 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:44:19,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:44:19,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:44:19,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:44:19,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:19,754 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:44:19,755 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2025-04-24 19:44:19,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:19,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:19,861 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 19:44:19,861 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:44:19,862 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:44:19,862 INFO L139 ounterexampleChecker]: Examining path program with hash 2083807359, occurence #1 [2025-04-24 19:44:19,863 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:44:19,863 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:44:19,863 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:44:19,863 INFO L85 PathProgramCache]: Analyzing trace with hash -30861909, now seen corresponding path program 1 times [2025-04-24 19:44:19,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:44:19,863 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594239399] [2025-04-24 19:44:19,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:44:19,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:44:19,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-24 19:44:19,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-24 19:44:19,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:44:19,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 19:44:20,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:44:20,109 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594239399] [2025-04-24 19:44:20,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594239399] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:44:20,109 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29971103] [2025-04-24 19:44:20,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:44:20,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:44:20,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:44:20,111 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:44:20,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-24 19:44:20,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-24 19:44:20,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-24 19:44:20,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:44:20,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:20,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-24 19:44:20,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:44:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 19:44:20,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:44:20,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 19:44:20,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29971103] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:44:20,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:44:20,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2025-04-24 19:44:20,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835717467] [2025-04-24 19:44:20,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:44:20,512 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 19:44:20,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:44:20,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 19:44:20,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-04-24 19:44:20,514 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:20,514 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:44:20,514 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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) [2025-04-24 19:44:20,514 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:20,514 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:20,653 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:20,654 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:20,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-24 19:44:20,855 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-24 19:44:20,855 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:44:20,855 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:44:20,855 INFO L139 ounterexampleChecker]: Examining path program with hash 2083807359, occurence #2 [2025-04-24 19:44:20,855 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:44:20,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:44:20,856 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:20,856 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 19:44:20,856 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:20,856 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 19:44:20,856 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:20,856 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 19:44:20,856 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:20,856 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:44:20,868 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:20,868 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 19:44:20,868 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:20,868 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-24 19:44:20,868 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:20,868 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-24 19:44:20,868 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:20,868 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:44:20,868 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:20,868 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-04-24 19:44:20,868 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:20,868 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:44:20,869 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:44:20,869 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:44:20,869 INFO L85 PathProgramCache]: Analyzing trace with hash 187897038, now seen corresponding path program 1 times [2025-04-24 19:44:20,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:44:20,869 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620127372] [2025-04-24 19:44:20,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:44:20,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:44:20,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-04-24 19:44:20,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-04-24 19:44:20,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:44:20,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-04-24 19:44:21,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:44:21,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620127372] [2025-04-24 19:44:21,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620127372] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:44:21,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645699793] [2025-04-24 19:44:21,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:44:21,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:44:21,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:44:21,239 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:44:21,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-24 19:44:21,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-04-24 19:44:21,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-04-24 19:44:21,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:44:21,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:21,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 19:44:21,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:44:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-04-24 19:44:21,658 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:44:21,701 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-04-24 19:44:21,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645699793] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:44:21,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:44:21,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-04-24 19:44:21,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124122346] [2025-04-24 19:44:21,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:44:21,702 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-24 19:44:21,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:44:21,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-24 19:44:21,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2025-04-24 19:44:21,702 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:21,702 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:44:21,703 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 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) [2025-04-24 19:44:21,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:21,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:21,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:21,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:21,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:21,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:44:21,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-24 19:44:22,139 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:44:22,139 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:44:22,139 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:44:22,140 INFO L139 ounterexampleChecker]: Examining path program with hash 2083807359, occurence #3 [2025-04-24 19:44:22,140 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:44:22,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:44:22,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:22,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 19:44:22,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:22,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 19:44:22,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:22,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 19:44:22,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:22,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-24 19:44:22,141 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:22,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-24 19:44:22,141 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:22,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 19:44:22,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:22,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-24 19:44:22,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:22,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 19:44:22,141 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:22,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:44:22,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:22,141 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:44:22,141 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:44:22,141 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:44:22,142 INFO L85 PathProgramCache]: Analyzing trace with hash 963300858, now seen corresponding path program 2 times [2025-04-24 19:44:22,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:44:22,142 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498927343] [2025-04-24 19:44:22,142 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:44:22,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:44:22,173 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 70 statements into 2 equivalence classes. [2025-04-24 19:44:22,191 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 34 of 70 statements. [2025-04-24 19:44:22,191 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 19:44:22,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-04-24 19:44:22,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:44:22,373 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498927343] [2025-04-24 19:44:22,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498927343] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:44:22,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:44:22,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:44:22,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914930700] [2025-04-24 19:44:22,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:44:22,373 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:44:22,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:44:22,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:44:22,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:44:22,375 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:22,375 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:44:22,375 INFO L486 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) [2025-04-24 19:44:22,375 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:22,375 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:22,375 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:44:22,375 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:22,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:22,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:22,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:44:22,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:22,459 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-24 19:44:22,459 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:44:22,459 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:44:22,459 INFO L139 ounterexampleChecker]: Examining path program with hash -1798988135, occurence #1 [2025-04-24 19:44:22,460 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:44:22,460 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:44:22,460 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:44:22,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1280466375, now seen corresponding path program 1 times [2025-04-24 19:44:22,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:44:22,460 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326818044] [2025-04-24 19:44:22,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:44:22,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:44:22,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-04-24 19:44:22,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-04-24 19:44:22,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:44:22,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-04-24 19:44:22,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:44:22,905 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326818044] [2025-04-24 19:44:22,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326818044] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:44:22,905 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046930909] [2025-04-24 19:44:22,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:44:22,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:44:22,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:44:22,907 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:44:22,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-24 19:44:23,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-04-24 19:44:23,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-04-24 19:44:23,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:44:23,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:23,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 19:44:23,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:44:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-04-24 19:44:23,369 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:44:23,437 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-04-24 19:44:23,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046930909] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:44:23,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:44:23,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2025-04-24 19:44:23,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008684656] [2025-04-24 19:44:23,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:44:23,439 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-04-24 19:44:23,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:44:23,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-04-24 19:44:23,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=200, Unknown=0, NotChecked=0, Total=380 [2025-04-24 19:44:23,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:23,441 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:44:23,441 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.05) internal successors, (61), 20 states have internal predecessors, (61), 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) [2025-04-24 19:44:23,441 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:23,441 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:23,441 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:44:23,441 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:23,442 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:23,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:23,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:23,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:44:23,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:23,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:44:23,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-24 19:44:23,864 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:44:23,864 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:44:23,864 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:44:23,865 INFO L139 ounterexampleChecker]: Examining path program with hash -1798988135, occurence #2 [2025-04-24 19:44:23,865 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:44:23,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:44:23,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:23,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 19:44:23,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:23,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 19:44:23,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:23,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 19:44:23,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:23,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 19:44:23,865 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:23,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-24 19:44:23,865 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:23,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-24 19:44:23,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:23,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-04-24 19:44:23,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:23,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2025-04-24 19:44:23,865 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:23,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:44:23,865 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:23,865 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:44:23,865 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:44:23,866 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:44:23,866 INFO L85 PathProgramCache]: Analyzing trace with hash -889380246, now seen corresponding path program 2 times [2025-04-24 19:44:23,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:44:23,866 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914009324] [2025-04-24 19:44:23,866 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:44:23,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:44:23,901 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 90 statements into 2 equivalence classes. [2025-04-24 19:44:24,083 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 90 of 90 statements. [2025-04-24 19:44:24,084 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:44:24,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-04-24 19:44:24,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:44:24,551 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914009324] [2025-04-24 19:44:24,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914009324] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:44:24,551 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825541102] [2025-04-24 19:44:24,551 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:44:24,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:44:24,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:44:24,553 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:44:24,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-24 19:44:24,866 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 90 statements into 2 equivalence classes. [2025-04-24 19:44:24,961 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 90 of 90 statements. [2025-04-24 19:44:24,961 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:44:24,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:24,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-24 19:44:24,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:44:25,142 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-04-24 19:44:25,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:44:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-04-24 19:44:25,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825541102] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:44:25,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:44:25,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2025-04-24 19:44:25,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162895034] [2025-04-24 19:44:25,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:44:25,271 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-04-24 19:44:25,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:44:25,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-04-24 19:44:25,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=484, Unknown=0, NotChecked=0, Total=812 [2025-04-24 19:44:25,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:25,272 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:44:25,273 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 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) [2025-04-24 19:44:25,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:25,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:25,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:44:25,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:25,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:44:25,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:25,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:25,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:25,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:44:25,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:25,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:44:25,528 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:44:25,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-24 19:44:25,732 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-04-24 19:44:25,732 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:44:25,732 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:44:25,732 INFO L139 ounterexampleChecker]: Examining path program with hash -1798988135, occurence #3 [2025-04-24 19:44:25,732 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:44:25,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:44:25,732 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:25,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 19:44:25,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:25,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 19:44:25,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:25,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 19:44:25,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:25,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-24 19:44:25,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:25,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 19:44:25,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:25,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-24 19:44:25,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:25,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-04-24 19:44:25,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:25,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:44:25,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:25,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-24 19:44:25,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:25,733 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:44:25,733 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:44:25,733 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:44:25,733 INFO L85 PathProgramCache]: Analyzing trace with hash 404336313, now seen corresponding path program 3 times [2025-04-24 19:44:25,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:44:25,733 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137553152] [2025-04-24 19:44:25,734 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:44:25,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:44:25,785 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 92 statements into 8 equivalence classes. [2025-04-24 19:44:25,981 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 56 of 92 statements. [2025-04-24 19:44:25,983 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 19:44:25,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:28,088 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2025-04-24 19:44:28,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:44:28,088 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137553152] [2025-04-24 19:44:28,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137553152] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:44:28,088 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527580151] [2025-04-24 19:44:28,088 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:44:28,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:44:28,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:44:28,090 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:44:28,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-24 19:44:28,453 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 92 statements into 8 equivalence classes. [2025-04-24 19:44:28,521 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 56 of 92 statements. [2025-04-24 19:44:28,521 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 19:44:28,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:28,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-04-24 19:44:28,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:44:29,282 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 19:44:29,284 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 254 treesize of output 194 [2025-04-24 19:44:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2025-04-24 19:44:29,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:44:30,232 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 19:44:30,232 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 161 treesize of output 157 [2025-04-24 19:44:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2025-04-24 19:44:30,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527580151] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:44:30,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:44:30,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 8] total 22 [2025-04-24 19:44:30,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255751689] [2025-04-24 19:44:30,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:44:30,579 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-24 19:44:30,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:44:30,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-24 19:44:30,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2025-04-24 19:44:30,580 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:30,580 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:44:30,581 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.454545454545454) internal successors, (98), 22 states have internal predecessors, (98), 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) [2025-04-24 19:44:30,581 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:30,581 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:30,581 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:44:30,581 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:30,581 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:44:30,581 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:44:30,581 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:30,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:30,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:30,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:44:30,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:30,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:44:30,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:44:30,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:44:30,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-24 19:44:31,155 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:44:31,155 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:44:31,155 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:44:31,155 INFO L139 ounterexampleChecker]: Examining path program with hash -1798988135, occurence #4 [2025-04-24 19:44:31,155 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:44:31,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:44:31,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:31,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 19:44:31,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:31,155 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 19:44:31,155 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:31,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 19:44:31,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:31,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-24 19:44:31,156 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:31,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 19:44:31,156 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:31,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-24 19:44:31,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:31,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-24 19:44:31,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:31,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:44:31,156 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:31,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-24 19:44:31,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:31,156 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:44:31,156 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:44:31,156 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:44:31,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1132115896, now seen corresponding path program 4 times [2025-04-24 19:44:31,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:44:31,156 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003235103] [2025-04-24 19:44:31,156 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:44:31,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:44:31,197 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 98 statements into 2 equivalence classes. [2025-04-24 19:44:31,457 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-04-24 19:44:31,458 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:44:31,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2025-04-24 19:44:34,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:44:34,685 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003235103] [2025-04-24 19:44:34,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003235103] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:44:34,685 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888052377] [2025-04-24 19:44:34,685 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:44:34,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:44:34,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:44:34,687 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:44:34,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-24 19:44:35,019 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 98 statements into 2 equivalence classes. [2025-04-24 19:44:35,102 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 98 of 98 statements. [2025-04-24 19:44:35,102 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:44:35,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:35,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-04-24 19:44:35,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:44:35,670 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 19:44:35,670 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 212 treesize of output 158 [2025-04-24 19:44:35,912 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2025-04-24 19:44:35,912 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:44:36,417 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 19:44:36,417 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 161 treesize of output 157 [2025-04-24 19:44:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2025-04-24 19:44:36,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888052377] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:44:36,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:44:36,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 34 [2025-04-24 19:44:36,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155976199] [2025-04-24 19:44:36,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:44:36,737 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-24 19:44:36,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:44:36,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-24 19:44:36,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1002, Unknown=0, NotChecked=0, Total=1122 [2025-04-24 19:44:36,738 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:36,738 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:44:36,751 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.676470588235294) internal successors, (125), 34 states have internal predecessors, (125), 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) [2025-04-24 19:44:36,751 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:36,751 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:36,751 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:44:36,751 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:36,751 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:44:36,751 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:44:36,751 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:44:36,751 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:44:37,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:37,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:44:37,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:44:37,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:44:37,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:44:37,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:44:37,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:44:37,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:44:37,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-24 19:44:38,124 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-04-24 19:44:38,124 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:44:38,124 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:44:38,124 INFO L139 ounterexampleChecker]: Examining path program with hash -1798988135, occurence #5 [2025-04-24 19:44:38,124 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:44:38,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:44:38,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:38,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 19:44:38,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:38,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 19:44:38,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:38,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 19:44:38,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:38,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-24 19:44:38,125 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:38,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 19:44:38,125 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:38,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-24 19:44:38,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:38,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:44:38,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:38,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-04-24 19:44:38,125 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:44:38,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-24 19:44:38,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:44:38,125 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:44:38,125 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:44:38,126 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:44:38,126 INFO L85 PathProgramCache]: Analyzing trace with hash 2142202676, now seen corresponding path program 5 times [2025-04-24 19:44:38,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:44:38,126 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016166977] [2025-04-24 19:44:38,126 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:44:38,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:44:38,184 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 122 statements into 8 equivalence classes. [2025-04-24 19:44:39,262 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 122 of 122 statements. [2025-04-24 19:44:39,263 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-24 19:44:39,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:44:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2025-04-24 19:44:44,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:44:44,124 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016166977] [2025-04-24 19:44:44,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016166977] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:44:44,124 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132394601] [2025-04-24 19:44:44,125 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:44:44,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:44:44,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:44:44,127 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:44:44,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-24 19:44:44,536 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 122 statements into 8 equivalence classes.