./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 01849734 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/popl20-nonblocking-cntr.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 fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-0184973-m [2025-04-24 17:40:51,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 17:40:51,541 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 17:40:51,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 17:40:51,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 17:40:51,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 17:40:51,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 17:40:51,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 17:40:51,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 17:40:51,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 17:40:51,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 17:40:51,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 17:40:51,572 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 17:40:51,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 17:40:51,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 17:40:51,573 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 17:40:51,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 17:40:51,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 17:40:51,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 17:40:51,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 17:40:51,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 17:40:51,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 17:40:51,573 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 17:40:51,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 17:40:51,574 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 17:40:51,574 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 17:40:51,574 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 17:40:51,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:40:51,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:40:51,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:40:51,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:40:51,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 17:40:51,575 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:40:51,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:40:51,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:40:51,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:40:51,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 17:40:51,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 17:40:51,575 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 17:40:51,575 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 17:40:51,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 17:40:51,575 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 17:40:51,576 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 17:40:51,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 17:40:51,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 17:40:51,576 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 17:40:51,576 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 17:40:51,576 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 -> fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea [2025-04-24 17:40:51,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 17:40:51,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 17:40:51,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 17:40:51,846 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 17:40:51,848 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 17:40:51,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2025-04-24 17:40:53,157 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6af901d88/b95da3c5d37f4bcb8eb7757153f557de/FLAG51321767c [2025-04-24 17:40:53,321 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 17:40:53,322 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2025-04-24 17:40:53,329 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6af901d88/b95da3c5d37f4bcb8eb7757153f557de/FLAG51321767c [2025-04-24 17:40:54,158 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6af901d88/b95da3c5d37f4bcb8eb7757153f557de [2025-04-24 17:40:54,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 17:40:54,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 17:40:54,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 17:40:54,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 17:40:54,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 17:40:54,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629d396c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54, skipping insertion in model container [2025-04-24 17:40:54,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,176 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 17:40:54,324 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/popl20-nonblocking-cntr.wvr.c[2063,2076] [2025-04-24 17:40:54,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:40:54,337 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 17:40:54,365 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/popl20-nonblocking-cntr.wvr.c[2063,2076] [2025-04-24 17:40:54,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:40:54,378 INFO L204 MainTranslator]: Completed translation [2025-04-24 17:40:54,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54 WrapperNode [2025-04-24 17:40:54,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 17:40:54,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 17:40:54,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 17:40:54,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 17:40:54,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,404 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2025-04-24 17:40:54,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 17:40:54,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 17:40:54,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 17:40:54,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 17:40:54,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,415 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 17:40:54,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 17:40:54,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 17:40:54,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 17:40:54,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (1/1) ... [2025-04-24 17:40:54,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:40:54,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:40:54,443 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 17:40:54,445 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 17:40:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 17:40:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 17:40:54,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 17:40:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 17:40:54,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 17:40:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 17:40:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 17:40:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 17:40:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 17:40:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 17:40:54,464 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 17:40:54,523 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 17:40:54,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 17:40:54,624 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 17:40:54,624 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 17:40:54,727 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 17:40:54,727 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-24 17:40:54,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:40:54 BoogieIcfgContainer [2025-04-24 17:40:54,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 17:40:54,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 17:40:54,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 17:40:54,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 17:40:54,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 05:40:54" (1/3) ... [2025-04-24 17:40:54,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190e522e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:40:54, skipping insertion in model container [2025-04-24 17:40:54,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:40:54" (2/3) ... [2025-04-24 17:40:54,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190e522e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:40:54, skipping insertion in model container [2025-04-24 17:40:54,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:40:54" (3/3) ... [2025-04-24 17:40:54,738 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr.wvr.c [2025-04-24 17:40:54,748 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 17:40:54,750 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-nonblocking-cntr.wvr.c that has 3 procedures, 20 locations, 19 edges, 1 initial locations, 2 loop locations, and 1 error locations. [2025-04-24 17:40:54,750 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 17:40:54,811 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-24 17:40:54,841 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:40:54,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 17:40:54,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:40:54,845 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 17:40:54,848 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 17:40:54,902 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 17:40:54,915 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 17:40:54,922 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;@12f459c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:40:54,922 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-24 17:40:54,994 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 17:40:54,995 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:40:54,995 INFO L139 ounterexampleChecker]: Examining path program with hash -1908429135, occurence #1 [2025-04-24 17:40:54,995 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:40:54,995 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:40:54,999 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:40:54,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1169777107, now seen corresponding path program 1 times [2025-04-24 17:40:55,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:40:55,005 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378065307] [2025-04-24 17:40:55,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:40:55,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:40:55,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-24 17:40:55,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-24 17:40:55,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:40:55,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:40:55,200 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 17:40:55,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:40:55,202 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378065307] [2025-04-24 17:40:55,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378065307] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:40:55,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:40:55,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 17:40:55,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865082720] [2025-04-24 17:40:55,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:40:55,206 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 17:40:55,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:40:55,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 17:40:55,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-24 17:40:55,221 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:40:55,221 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:40:55,222 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 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 17:40:55,222 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:40:55,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:40:55,284 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 17:40:55,284 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 17:40:55,285 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:40:55,285 INFO L139 ounterexampleChecker]: Examining path program with hash 1274166755, occurence #1 [2025-04-24 17:40:55,285 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:40:55,285 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:40:55,285 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:40:55,285 INFO L85 PathProgramCache]: Analyzing trace with hash -3200603, now seen corresponding path program 1 times [2025-04-24 17:40:55,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:40:55,285 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160647191] [2025-04-24 17:40:55,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:40:55,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:40:55,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-24 17:40:55,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-24 17:40:55,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:40:55,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:40:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:40:55,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:40:55,509 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160647191] [2025-04-24 17:40:55,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160647191] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:40:55,509 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316813748] [2025-04-24 17:40:55,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:40:55,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:40:55,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:40:55,512 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 17:40:55,514 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 17:40:55,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-24 17:40:55,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-24 17:40:55,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:40:55,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:40:55,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:40:55,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:40:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:40:55,753 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:40:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:40:55,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316813748] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:40:55,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:40:55,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 7] total 19 [2025-04-24 17:40:55,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427822141] [2025-04-24 17:40:55,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:40:55,938 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-24 17:40:55,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:40:55,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-24 17:40:55,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2025-04-24 17:40:55,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:40:55,939 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:40:55,939 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 19 states have internal predecessors, (49), 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 17:40:55,939 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:40:55,939 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:40:56,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:40:56,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:40:56,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-24 17:40:56,513 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 17:40:56,513 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 17:40:56,513 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:40:56,513 INFO L139 ounterexampleChecker]: Examining path program with hash -1170906800, occurence #1 [2025-04-24 17:40:56,513 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:40:56,513 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:40:56,514 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:40:56,514 INFO L85 PathProgramCache]: Analyzing trace with hash 2110214689, now seen corresponding path program 2 times [2025-04-24 17:40:56,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:40:56,514 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749215045] [2025-04-24 17:40:56,514 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:40:56,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:40:56,520 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 33 statements into 2 equivalence classes. [2025-04-24 17:40:56,533 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-04-24 17:40:56,535 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:40:56,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:40:56,733 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-04-24 17:40:56,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:40:56,733 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749215045] [2025-04-24 17:40:56,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749215045] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:40:56,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:40:56,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 17:40:56,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991328732] [2025-04-24 17:40:56,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:40:56,735 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 17:40:56,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:40:56,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 17:40:56,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-24 17:40:56,736 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:40:56,736 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:40:56,736 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 17:40:56,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:40:56,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:40:56,737 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:40:56,795 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:40:56,796 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:40:56,796 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:40:56,796 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 17:40:56,796 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 17:40:56,796 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:40:56,796 INFO L139 ounterexampleChecker]: Examining path program with hash -1722718165, occurence #1 [2025-04-24 17:40:56,796 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:40:56,796 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:40:56,796 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:40:56,797 INFO L85 PathProgramCache]: Analyzing trace with hash -386875487, now seen corresponding path program 3 times [2025-04-24 17:40:56,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:40:56,797 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788907261] [2025-04-24 17:40:56,797 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:40:56,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:40:56,806 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 5 equivalence classes. [2025-04-24 17:40:56,821 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 39 of 39 statements. [2025-04-24 17:40:56,822 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-24 17:40:56,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:40:57,212 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-24 17:40:57,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:40:57,212 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788907261] [2025-04-24 17:40:57,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788907261] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:40:57,213 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343696697] [2025-04-24 17:40:57,213 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:40:57,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:40:57,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:40:57,216 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 17:40:57,219 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 17:40:57,257 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 5 equivalence classes. [2025-04-24 17:40:57,277 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 39 of 39 statements. [2025-04-24 17:40:57,277 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-24 17:40:57,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:40:57,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-24 17:40:57,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:40:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:40:57,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:40:58,146 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-04-24 17:40:58,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343696697] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:40:58,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:40:58,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 12] total 41 [2025-04-24 17:40:58,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452582377] [2025-04-24 17:40:58,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:40:58,147 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-04-24 17:40:58,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:40:58,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-04-24 17:40:58,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1318, Unknown=0, NotChecked=0, Total=1640 [2025-04-24 17:40:58,150 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:40:58,150 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:40:58,150 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.3902439024390243) internal successors, (98), 41 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 17:40:58,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:40:58,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:40:58,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:40:58,151 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:40:59,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:40:59,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:40:59,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:40:59,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-24 17:40:59,041 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 17:40:59,238 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:40:59,238 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 17:40:59,238 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:40:59,238 INFO L139 ounterexampleChecker]: Examining path program with hash 477532116, occurence #1 [2025-04-24 17:40:59,238 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:40:59,238 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:40:59,239 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:40:59,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1328937895, now seen corresponding path program 4 times [2025-04-24 17:40:59,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:40:59,239 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708127196] [2025-04-24 17:40:59,240 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:40:59,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:40:59,246 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 45 statements into 2 equivalence classes. [2025-04-24 17:40:59,252 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 44 of 45 statements. [2025-04-24 17:40:59,252 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:40:59,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:40:59,576 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 17:40:59,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:40:59,577 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708127196] [2025-04-24 17:40:59,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708127196] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:40:59,577 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339167022] [2025-04-24 17:40:59,577 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:40:59,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:40:59,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:40:59,579 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 17:40:59,581 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 17:40:59,611 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 45 statements into 2 equivalence classes. [2025-04-24 17:40:59,625 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 44 of 45 statements. [2025-04-24 17:40:59,625 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:40:59,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:40:59,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-24 17:40:59,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:41:00,058 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:41:00,058 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:41:00,289 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-04-24 17:41:00,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339167022] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:41:00,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:41:00,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 13] total 40 [2025-04-24 17:41:00,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937530683] [2025-04-24 17:41:00,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:41:00,291 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-04-24 17:41:00,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:41:00,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-04-24 17:41:00,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=1175, Unknown=0, NotChecked=0, Total=1560 [2025-04-24 17:41:00,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:41:00,293 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:41:00,293 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.6) internal successors, (104), 40 states have internal predecessors, (104), 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 17:41:00,294 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:41:00,294 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:41:00,294 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:41:00,294 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-24 17:41:00,294 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:41:01,165 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:41:01,166 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:41:01,166 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:41:01,166 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-24 17:41:01,166 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:41:01,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-24 17:41:01,370 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 17:41:01,370 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 17:41:01,370 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:41:01,370 INFO L139 ounterexampleChecker]: Examining path program with hash -352252356, occurence #1 [2025-04-24 17:41:01,370 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:41:01,370 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:41:01,371 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:41:01,371 INFO L85 PathProgramCache]: Analyzing trace with hash -550592537, now seen corresponding path program 5 times [2025-04-24 17:41:01,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:41:01,371 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003617027] [2025-04-24 17:41:01,371 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:41:01,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:41:01,376 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 43 statements into 6 equivalence classes. [2025-04-24 17:41:01,384 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 43 of 43 statements. [2025-04-24 17:41:01,385 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 17:41:01,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:01,521 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-04-24 17:41:01,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:41:01,521 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003617027] [2025-04-24 17:41:01,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003617027] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:41:01,521 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914982634] [2025-04-24 17:41:01,521 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:41:01,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:41:01,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:41:01,526 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 17:41:01,527 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 17:41:01,555 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 43 statements into 6 equivalence classes. [2025-04-24 17:41:01,569 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 43 of 43 statements. [2025-04-24 17:41:01,570 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 17:41:01,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:01,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-24 17:41:01,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:41:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:41:01,849 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:41:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:41:03,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914982634] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:41:03,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:41:03,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 21, 21] total 44 [2025-04-24 17:41:03,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119495634] [2025-04-24 17:41:03,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:41:03,010 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-04-24 17:41:03,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:41:03,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-04-24 17:41:03,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=1509, Unknown=0, NotChecked=0, Total=1980 [2025-04-24 17:41:03,011 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:41:03,011 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:41:03,012 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.2) internal successors, (99), 44 states have internal predecessors, (99), 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 17:41:03,012 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:41:03,012 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:41:03,012 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:41:03,012 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-24 17:41:03,012 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:41:03,012 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:41:03,995 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:41:03,995 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:41:03,995 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:41:03,995 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:41:03,995 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:41:03,995 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:41:04,001 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 17:41:04,198 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 17:41:04,198 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 17:41:04,199 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:41:04,199 INFO L139 ounterexampleChecker]: Examining path program with hash -1125462670, occurence #1 [2025-04-24 17:41:04,199 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:41:04,199 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:41:04,199 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:41:04,199 INFO L85 PathProgramCache]: Analyzing trace with hash 427798181, now seen corresponding path program 6 times [2025-04-24 17:41:04,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:41:04,199 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216351918] [2025-04-24 17:41:04,199 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:41:04,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:41:04,204 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 71 statements into 9 equivalence classes. [2025-04-24 17:41:04,218 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 71 of 71 statements. [2025-04-24 17:41:04,218 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-04-24 17:41:04,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 5 proven. 141 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-04-24 17:41:04,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:41:04,799 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216351918] [2025-04-24 17:41:04,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216351918] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:41:04,799 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313713026] [2025-04-24 17:41:04,799 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:41:04,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:41:04,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:41:04,802 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 17:41:04,804 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 17:41:04,830 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 71 statements into 9 equivalence classes. [2025-04-24 17:41:04,850 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 71 of 71 statements. [2025-04-24 17:41:04,850 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-04-24 17:41:04,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:04,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-04-24 17:41:04,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:41:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 5 proven. 214 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-24 17:41:05,571 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:41:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 124 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:41:07,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313713026] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:41:07,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:41:07,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 37, 36] total 86 [2025-04-24 17:41:07,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42646150] [2025-04-24 17:41:07,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:41:07,832 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2025-04-24 17:41:07,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:41:07,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2025-04-24 17:41:07,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1950, Invalid=5360, Unknown=0, NotChecked=0, Total=7310 [2025-04-24 17:41:07,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:41:07,836 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:41:07,836 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 1.9534883720930232) internal successors, (168), 86 states have internal predecessors, (168), 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 17:41:07,836 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:41:07,836 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:41:07,836 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:41:07,836 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:41:07,836 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:41:07,836 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:41:07,837 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:41:09,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:41:09,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:41:09,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:41:09,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:41:09,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 17:41:09,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:41:09,163 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-24 17:41:09,169 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 17:41:09,364 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 17:41:09,364 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 17:41:09,364 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:41:09,364 INFO L139 ounterexampleChecker]: Examining path program with hash 945830020, occurence #1 [2025-04-24 17:41:09,364 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:41:09,364 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:41:09,367 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:41:09,367 INFO L85 PathProgramCache]: Analyzing trace with hash -462256307, now seen corresponding path program 7 times [2025-04-24 17:41:09,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:41:09,367 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714051934] [2025-04-24 17:41:09,367 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:41:09,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:41:09,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-04-24 17:41:09,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-04-24 17:41:09,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:41:09,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2025-04-24 17:41:10,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:41:10,070 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714051934] [2025-04-24 17:41:10,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714051934] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:41:10,070 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466904843] [2025-04-24 17:41:10,071 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:41:10,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:41:10,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:41:10,073 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 17:41:10,074 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 17:41:10,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-04-24 17:41:10,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-04-24 17:41:10,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:41:10,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:10,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 71 conjuncts are in the unsatisfiable core [2025-04-24 17:41:10,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:41:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 7 proven. 599 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:41:15,341 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:41:16,583 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 194 proven. 245 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2025-04-24 17:41:16,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466904843] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:41:16,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:41:16,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 58, 23] total 86 [2025-04-24 17:41:16,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532191304] [2025-04-24 17:41:16,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:41:16,584 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2025-04-24 17:41:16,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:41:16,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2025-04-24 17:41:16,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=850, Invalid=6460, Unknown=0, NotChecked=0, Total=7310 [2025-04-24 17:41:16,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:41:16,586 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:41:16,587 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 2.197674418604651) internal successors, (189), 86 states have internal predecessors, (189), 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 17:41:16,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:41:16,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:41:16,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:41:16,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:41:16,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 17:41:16,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:41:16,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-24 17:41:16,587 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:41:28,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:41:28,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:41:28,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:41:28,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:41:28,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:41:28,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:41:28,675 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:41:28,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-04-24 17:41:28,684 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 17:41:28,878 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 17:41:28,879 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 17:41:28,879 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:41:28,879 INFO L139 ounterexampleChecker]: Examining path program with hash 945830020, occurence #2 [2025-04-24 17:41:28,879 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:41:28,879 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:41:28,881 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:41:28,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:41:28,881 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:41:28,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-04-24 17:41:28,889 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:41:28,889 INFO L85 PathProgramCache]: Analyzing trace with hash -468969783, now seen corresponding path program 1 times [2025-04-24 17:41:28,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:41:28,889 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780610152] [2025-04-24 17:41:28,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:41:28,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:41:28,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-04-24 17:41:28,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-04-24 17:41:28,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:41:28,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:41:28,908 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:41:28,908 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:41:28,908 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2025-04-24 17:41:28,908 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 113 is hopeless, skipping. [2025-04-24 17:41:28,908 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 120 is hopeless, skipping. [2025-04-24 17:41:28,908 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-04-24 17:41:28,908 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:41:28,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-24 17:41:28,909 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:41:28,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2025-04-24 17:41:28,909 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:41:28,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 17:41:28,909 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:41:28,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 17:41:28,915 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:41:28,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1036473160, now seen corresponding path program 1 times [2025-04-24 17:41:28,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:41:28,915 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621228901] [2025-04-24 17:41:28,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:41:28,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:41:28,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-04-24 17:41:28,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-04-24 17:41:28,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:41:28,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 27 proven. 325 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2025-04-24 17:41:29,847 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:41:29,847 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621228901] [2025-04-24 17:41:29,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621228901] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:41:29,847 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1288824312] [2025-04-24 17:41:29,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:41:29,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:41:29,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-04-24 17:41:29,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-04-24 17:41:29,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:41:29,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:29,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-24 17:41:29,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:41:30,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 22 proven. 303 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2025-04-24 17:41:30,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1288824312] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:41:30,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:41:30,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2025-04-24 17:41:30,046 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:41:30,047 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 144 is hopeless, skipping. [2025-04-24 17:41:30,047 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 151 is hopeless, skipping. [2025-04-24 17:41:30,047 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 158 is hopeless, skipping. [2025-04-24 17:41:30,047 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 165 is hopeless, skipping. [2025-04-24 17:41:30,048 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 172 is hopeless, skipping. [2025-04-24 17:41:30,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-24 17:41:30,049 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:41:30,049 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:41:30,049 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:41:30,049 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:41:30,049 INFO L85 PathProgramCache]: Analyzing trace with hash 541461979, now seen corresponding path program 8 times [2025-04-24 17:41:30,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:41:30,049 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407645078] [2025-04-24 17:41:30,049 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:41:30,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:41:30,058 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 183 statements into 2 equivalence classes. [2025-04-24 17:41:30,108 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 183 of 183 statements. [2025-04-24 17:41:30,108 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:41:30,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 46 proven. 773 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2025-04-24 17:41:32,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:41:32,735 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407645078] [2025-04-24 17:41:32,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407645078] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:41:32,735 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658499278] [2025-04-24 17:41:32,735 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:41:32,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:41:32,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:41:32,737 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 17:41:32,740 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 17:41:32,779 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 183 statements into 2 equivalence classes. [2025-04-24 17:41:32,818 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 183 of 183 statements. [2025-04-24 17:41:32,819 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:41:32,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:32,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 92 conjuncts are in the unsatisfiable core [2025-04-24 17:41:32,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:41:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 135 proven. 1175 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2025-04-24 17:41:33,276 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:41:34,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 1027 proven. 240 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2025-04-24 17:41:34,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658499278] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:41:34,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:41:34,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 25 [2025-04-24 17:41:34,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751399164] [2025-04-24 17:41:34,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:41:34,507 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-04-24 17:41:34,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:41:34,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-04-24 17:41:34,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2025-04-24 17:41:34,508 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:41:34,508 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:41:34,508 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 25 states have internal predecessors, (103), 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 17:41:34,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:41:34,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:41:34,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:41:34,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:41:34,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:41:34,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:41:34,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:41:34,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-04-24 17:41:34,508 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:41:34,730 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:41:34,730 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:41:34,730 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:41:34,730 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:41:34,730 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:41:34,730 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:41:34,730 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:41:34,730 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-04-24 17:41:34,731 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:41:34,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-24 17:41:34,932 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:41:34,932 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:41:34,932 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:41:34,932 INFO L139 ounterexampleChecker]: Examining path program with hash 945830020, occurence #3 [2025-04-24 17:41:34,932 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:41:34,932 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:41:34,932 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:41:34,932 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:41:34,932 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:41:34,932 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-04-24 17:41:34,939 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:41:34,940 INFO L85 PathProgramCache]: Analyzing trace with hash -468969757, now seen corresponding path program 1 times [2025-04-24 17:41:34,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:41:34,940 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396717944] [2025-04-24 17:41:34,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:41:34,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:41:34,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-04-24 17:41:34,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-04-24 17:41:34,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:41:34,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:41:34,953 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:41:34,953 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:41:34,953 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2025-04-24 17:41:34,953 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 113 is hopeless, skipping. [2025-04-24 17:41:34,953 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 120 is hopeless, skipping. [2025-04-24 17:41:34,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-04-24 17:41:34,953 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:41:34,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-24 17:41:34,953 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:41:34,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2025-04-24 17:41:34,953 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:41:34,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 17:41:34,953 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:41:34,953 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-24 17:41:34,953 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:41:34,954 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-24 17:41:34,954 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:41:34,954 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2025-04-24 17:41:34,963 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:41:34,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1684881362, now seen corresponding path program 1 times [2025-04-24 17:41:34,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:41:34,966 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410263321] [2025-04-24 17:41:34,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:41:34,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:41:34,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-04-24 17:41:34,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-04-24 17:41:34,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:41:34,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:35,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 56 proven. 325 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2025-04-24 17:41:35,746 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:41:35,746 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410263321] [2025-04-24 17:41:35,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410263321] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:41:35,746 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [881363963] [2025-04-24 17:41:35,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:41:35,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:41:35,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-04-24 17:41:35,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-04-24 17:41:35,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:41:35,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:35,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 76 conjuncts are in the unsatisfiable core [2025-04-24 17:41:35,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:41:35,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 51 proven. 192 refuted. 0 times theorem prover too weak. 1063 trivial. 0 not checked. [2025-04-24 17:41:35,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [881363963] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:41:35,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:41:35,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 11 [2025-04-24 17:41:35,948 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:41:35,948 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 150 is hopeless, skipping. [2025-04-24 17:41:35,949 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 157 is hopeless, skipping. [2025-04-24 17:41:35,949 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 164 is hopeless, skipping. [2025-04-24 17:41:35,949 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 171 is hopeless, skipping. [2025-04-24 17:41:35,949 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 178 is hopeless, skipping. [2025-04-24 17:41:35,949 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-04-24 17:41:35,949 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:41:35,949 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:41:35,949 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:41:35,949 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:41:35,950 INFO L85 PathProgramCache]: Analyzing trace with hash 686054107, now seen corresponding path program 9 times [2025-04-24 17:41:35,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:41:35,950 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886026572] [2025-04-24 17:41:35,950 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:41:35,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:41:35,956 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 189 statements into 29 equivalence classes. [2025-04-24 17:41:36,102 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) and asserted 189 of 189 statements. [2025-04-24 17:41:36,102 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2025-04-24 17:41:36,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 17 proven. 1952 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2025-04-24 17:41:56,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:41:56,183 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886026572] [2025-04-24 17:41:56,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886026572] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:41:56,183 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588087659] [2025-04-24 17:41:56,183 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:41:56,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:41:56,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:41:56,185 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:41:56,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-24 17:41:56,225 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 189 statements into 29 equivalence classes. [2025-04-24 17:41:56,289 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) and asserted 189 of 189 statements. [2025-04-24 17:41:56,289 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2025-04-24 17:41:56,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:41:56,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 131 conjuncts are in the unsatisfiable core [2025-04-24 17:41:56,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:41:59,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 51 proven. 2174 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-24 17:41:59,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:42:19,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 1309 proven. 920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:42:19,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588087659] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:42:19,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:42:19,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 104, 93] total 246 [2025-04-24 17:42:19,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042909390] [2025-04-24 17:42:19,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:42:19,868 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 247 states [2025-04-24 17:42:19,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:42:19,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 247 interpolants. [2025-04-24 17:42:19,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12298, Invalid=48464, Unknown=0, NotChecked=0, Total=60762 [2025-04-24 17:42:19,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:42:19,882 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:42:19,883 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 247 states, 247 states have (on average 1.9311740890688258) internal successors, (477), 246 states have internal predecessors, (477), 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 17:42:19,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:42:19,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:42:19,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:42:19,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:42:19,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:42:19,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:42:19,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:42:19,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-04-24 17:42:19,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:42:19,883 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:42:30,080 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:42:30,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:42:30,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:42:30,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:42:30,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:42:30,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:42:30,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:42:30,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-04-24 17:42:30,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:42:30,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2025-04-24 17:42:30,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-24 17:42:30,285 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2025-04-24 17:42:30,286 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:42:30,286 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:42:30,286 INFO L139 ounterexampleChecker]: Examining path program with hash 945830020, occurence #4 [2025-04-24 17:42:30,286 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:42:30,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:42:30,286 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:42:30,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:42:30,286 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:42:30,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-24 17:42:30,293 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:42:30,293 INFO L85 PathProgramCache]: Analyzing trace with hash 233270107, now seen corresponding path program 1 times [2025-04-24 17:42:30,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:42:30,293 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761853469] [2025-04-24 17:42:30,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:42:30,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:42:30,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-04-24 17:42:30,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-04-24 17:42:30,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:42:30,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:42:30,307 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:42:30,308 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:42:30,308 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 131 is hopeless, skipping. [2025-04-24 17:42:30,308 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 138 is hopeless, skipping. [2025-04-24 17:42:30,308 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 145 is hopeless, skipping. [2025-04-24 17:42:30,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-04-24 17:42:30,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:42:30,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-24 17:42:30,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:42:30,308 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-24 17:42:30,308 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:42:30,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-04-24 17:42:30,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:42:30,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2025-04-24 17:42:30,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:42:30,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-24 17:42:30,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:42:30,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-24 17:42:30,317 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:42:30,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1189551798, now seen corresponding path program 1 times [2025-04-24 17:42:30,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:42:30,318 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905538290] [2025-04-24 17:42:30,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:42:30,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:42:30,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-04-24 17:42:30,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-04-24 17:42:30,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:42:30,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:42:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 52 proven. 493 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2025-04-24 17:42:31,390 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:42:31,390 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905538290] [2025-04-24 17:42:31,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905538290] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:42:31,390 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1157221711] [2025-04-24 17:42:31,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:42:31,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:42:31,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-04-24 17:42:31,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-04-24 17:42:31,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:42:31,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:42:31,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 92 conjuncts are in the unsatisfiable core [2025-04-24 17:42:31,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:42:31,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 51 proven. 78 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2025-04-24 17:42:31,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1157221711] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:42:31,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:42:31,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 12 [2025-04-24 17:42:31,566 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:42:31,566 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 175 is hopeless, skipping. [2025-04-24 17:42:31,566 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 182 is hopeless, skipping. [2025-04-24 17:42:31,566 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 189 is hopeless, skipping. [2025-04-24 17:42:31,566 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 196 is hopeless, skipping. [2025-04-24 17:42:31,566 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 203 is hopeless, skipping. [2025-04-24 17:42:31,566 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 210 is hopeless, skipping. [2025-04-24 17:42:31,566 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 217 is hopeless, skipping. [2025-04-24 17:42:31,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-04-24 17:42:31,566 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:42:31,566 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:42:31,566 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:42:31,567 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:42:31,567 INFO L85 PathProgramCache]: Analyzing trace with hash 273351625, now seen corresponding path program 10 times [2025-04-24 17:42:31,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:42:31,567 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561054814] [2025-04-24 17:42:31,567 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:42:31,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:42:31,574 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 228 statements into 2 equivalence classes. [2025-04-24 17:42:31,744 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 227 of 228 statements. [2025-04-24 17:42:31,744 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:42:31,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:43:04,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 734 proven. 2730 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-04-24 17:43:04,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:43:04,347 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561054814] [2025-04-24 17:43:04,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561054814] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:43:04,347 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737259110] [2025-04-24 17:43:04,347 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:43:04,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:43:04,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:43:04,349 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:43:04,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-24 17:43:04,390 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 228 statements into 2 equivalence classes. [2025-04-24 17:43:04,451 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 227 of 228 statements. [2025-04-24 17:43:04,452 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:43:04,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:43:04,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 173 conjuncts are in the unsatisfiable core [2025-04-24 17:43:04,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:44:07,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 9 proven. 3467 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:44:07,458 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:44:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 996 proven. 1116 refuted. 0 times theorem prover too weak. 1364 trivial. 0 not checked. [2025-04-24 17:44:10,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737259110] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:44:10,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:44:10,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102, 135, 34] total 263 [2025-04-24 17:44:10,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630980497] [2025-04-24 17:44:10,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:44:10,627 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2025-04-24 17:44:10,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:44:10,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2025-04-24 17:44:10,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8352, Invalid=60554, Unknown=0, NotChecked=0, Total=68906 [2025-04-24 17:44:10,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:44:10,632 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:44:10,632 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 263 states, 263 states have (on average 1.8288973384030418) internal successors, (481), 263 states have internal predecessors, (481), 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 17:44:10,633 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:44:10,633 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:44:10,633 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:44:10,633 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:44:10,633 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:44:10,633 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:44:10,633 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:44:10,633 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-04-24 17:44:10,633 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:44:10,633 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2025-04-24 17:44:10,633 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:47:30,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:47:30,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:47:30,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:47:30,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:47:30,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:47:30,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:47:30,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:47:30,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-04-24 17:47:30,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:47:30,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2025-04-24 17:47:30,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 363 states. [2025-04-24 17:47:30,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-24 17:47:30,667 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-24 17:47:30,667 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:47:30,667 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:47:30,667 INFO L139 ounterexampleChecker]: Examining path program with hash 1960565439, occurence #1 [2025-04-24 17:47:30,668 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:47:30,668 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:47:30,668 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:47:30,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2104687645, now seen corresponding path program 11 times [2025-04-24 17:47:30,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:47:30,668 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653465513] [2025-04-24 17:47:30,668 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:47:30,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:47:30,678 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 325 statements into 54 equivalence classes. [2025-04-24 17:47:30,829 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) and asserted 325 of 325 statements. [2025-04-24 17:47:30,829 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) [2025-04-24 17:47:30,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:47:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 7847 backedges. 0 proven. 1989 refuted. 0 times theorem prover too weak. 5858 trivial. 0 not checked. [2025-04-24 17:47:36,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:47:36,118 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653465513] [2025-04-24 17:47:36,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653465513] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:47:36,118 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391483259] [2025-04-24 17:47:36,118 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:47:36,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:47:36,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:47:36,120 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:47:36,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-24 17:47:36,168 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 325 statements into 54 equivalence classes. [2025-04-24 17:47:36,437 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) and asserted 325 of 325 statements. [2025-04-24 17:47:36,438 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) [2025-04-24 17:47:36,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:47:36,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 190 conjuncts are in the unsatisfiable core [2025-04-24 17:47:36,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:47:36,698 INFO L134 CoverageAnalysis]: Checked inductivity of 7847 backedges. 0 proven. 1942 refuted. 0 times theorem prover too weak. 5905 trivial. 0 not checked. [2025-04-24 17:47:36,698 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:47:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7847 backedges. 2509 proven. 652 refuted. 0 times theorem prover too weak. 4686 trivial. 0 not checked. [2025-04-24 17:47:37,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391483259] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:47:37,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:47:37,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 24 [2025-04-24 17:47:37,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024267197] [2025-04-24 17:47:37,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:47:37,551 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-24 17:47:37,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:47:37,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-24 17:47:37,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2025-04-24 17:47:37,552 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:47:37,552 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:47:37,552 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.44) internal successors, (111), 24 states have internal predecessors, (111), 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 17:47:37,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:47:37,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:47:37,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:47:37,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:47:37,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:47:37,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:47:37,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:47:37,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-04-24 17:47:37,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:47:37,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2025-04-24 17:47:37,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 363 states. [2025-04-24 17:47:37,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:47:38,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:47:38,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:47:38,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:47:38,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:47:38,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:47:38,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:47:38,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:47:38,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-04-24 17:47:38,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:47:38,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2025-04-24 17:47:38,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2025-04-24 17:47:38,201 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 17:47:38,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-24 17:47:38,402 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:47:38,402 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:47:38,402 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:47:38,402 INFO L139 ounterexampleChecker]: Examining path program with hash 945830020, occurence #5 [2025-04-24 17:47:38,402 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:47:38,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:47:38,402 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:47:38,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:47:38,403 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:47:38,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2025-04-24 17:47:38,409 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:47:38,409 INFO L85 PathProgramCache]: Analyzing trace with hash -689873335, now seen corresponding path program 1 times [2025-04-24 17:47:38,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:47:38,409 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710142088] [2025-04-24 17:47:38,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:47:38,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:47:38,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-04-24 17:47:38,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-04-24 17:47:38,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:47:38,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:47:38,443 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:47:38,443 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:47:38,443 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 226 is hopeless, skipping. [2025-04-24 17:47:38,444 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 233 is hopeless, skipping. [2025-04-24 17:47:38,444 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 240 is hopeless, skipping. [2025-04-24 17:47:38,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-04-24 17:47:38,444 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:47:38,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-04-24 17:47:38,444 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:47:38,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2025-04-24 17:47:38,444 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:47:38,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-04-24 17:47:38,444 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:47:38,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2025-04-24 17:47:38,444 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:47:38,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2025-04-24 17:47:38,444 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:47:38,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2025-04-24 17:47:38,444 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:47:38,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2025-04-24 17:47:38,444 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:47:38,444 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2025-04-24 17:47:38,455 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:47:38,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1937958344, now seen corresponding path program 1 times [2025-04-24 17:47:38,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:47:38,456 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524129967] [2025-04-24 17:47:38,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:47:38,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:47:38,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 270 statements into 1 equivalence classes. [2025-04-24 17:47:38,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 270 of 270 statements. [2025-04-24 17:47:38,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:47:38,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:47:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 92 proven. 714 refuted. 0 times theorem prover too weak. 4657 trivial. 0 not checked. [2025-04-24 17:47:41,396 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:47:41,397 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524129967] [2025-04-24 17:47:41,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524129967] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:47:41,397 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2118702677] [2025-04-24 17:47:41,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:47:41,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:47:41,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 270 statements into 1 equivalence classes. [2025-04-24 17:47:41,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 270 of 270 statements. [2025-04-24 17:47:41,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:47:41,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:47:41,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 150 conjuncts are in the unsatisfiable core [2025-04-24 17:47:41,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:47:41,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 92 proven. 900 refuted. 0 times theorem prover too weak. 4471 trivial. 0 not checked. [2025-04-24 17:47:41,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2118702677] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:47:41,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:47:41,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2025-04-24 17:47:41,687 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:47:41,687 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 276 is hopeless, skipping. [2025-04-24 17:47:41,688 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 283 is hopeless, skipping. [2025-04-24 17:47:41,688 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 290 is hopeless, skipping. [2025-04-24 17:47:41,688 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 297 is hopeless, skipping. [2025-04-24 17:47:41,688 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 304 is hopeless, skipping. [2025-04-24 17:47:41,688 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 311 is hopeless, skipping. [2025-04-24 17:47:41,688 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 318 is hopeless, skipping. [2025-04-24 17:47:41,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 326 [2025-04-24 17:47:41,688 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:47:41,688 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:47:41,688 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:47:41,688 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:47:41,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1183316389, now seen corresponding path program 12 times [2025-04-24 17:47:41,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:47:41,688 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665425328] [2025-04-24 17:47:41,688 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:47:41,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:47:41,697 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 329 statements into 54 equivalence classes. [2025-04-24 17:47:42,018 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 54 check-sat command(s) and asserted 329 of 329 statements. [2025-04-24 17:47:42,018 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 54 check-sat command(s) [2025-04-24 17:47:42,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:47:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 0 proven. 3279 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2025-04-24 17:47:56,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:47:56,455 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665425328] [2025-04-24 17:47:56,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665425328] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:47:56,455 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732095138] [2025-04-24 17:47:56,455 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:47:56,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:47:56,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:47:56,457 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:47:56,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-24 17:47:56,504 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 329 statements into 54 equivalence classes. [2025-04-24 17:47:56,673 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 54 check-sat command(s) and asserted 329 of 329 statements. [2025-04-24 17:47:56,674 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 54 check-sat command(s) [2025-04-24 17:47:56,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:47:56,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 236 conjuncts are in the unsatisfiable core [2025-04-24 17:47:56,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:48:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 92 proven. 7791 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-24 17:48:03,825 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:49:34,018 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 5922 proven. 1965 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:49:34,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732095138] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:49:34,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:49:34,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 185, 169] total 390 [2025-04-24 17:49:34,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472315700] [2025-04-24 17:49:34,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:49:34,019 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 391 states [2025-04-24 17:49:34,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:49:34,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 391 interpolants. [2025-04-24 17:49:34,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36270, Invalid=116220, Unknown=0, NotChecked=0, Total=152490 [2025-04-24 17:49:34,029 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:49:34,029 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:49:34,030 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 391 states, 391 states have (on average 1.8746803069053708) internal successors, (733), 390 states have internal predecessors, (733), 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 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-04-24 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2025-04-24 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2025-04-24 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 17:49:34,030 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 17:49:57,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2025-04-24 17:49:57,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-24 17:49:57,215 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2025-04-24 17:49:57,215 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:49:57,215 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:49:57,215 INFO L139 ounterexampleChecker]: Examining path program with hash 1960565439, occurence #2 [2025-04-24 17:49:57,215 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:49:57,216 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:49:57,216 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:49:57,216 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:49:57,216 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:49:57,216 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2025-04-24 17:49:57,222 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:49:57,222 INFO L85 PathProgramCache]: Analyzing trace with hash -893385547, now seen corresponding path program 1 times [2025-04-24 17:49:57,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:49:57,222 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537747288] [2025-04-24 17:49:57,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:49:57,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:49:57,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 245 statements into 1 equivalence classes. [2025-04-24 17:49:57,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 245 of 245 statements. [2025-04-24 17:49:57,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:49:57,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:49:57,251 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:49:57,251 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:49:57,252 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 251 is hopeless, skipping. [2025-04-24 17:49:57,252 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 258 is hopeless, skipping. [2025-04-24 17:49:57,252 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 265 is hopeless, skipping. [2025-04-24 17:49:57,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-04-24 17:49:57,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:49:57,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 274 [2025-04-24 17:49:57,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:49:57,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2025-04-24 17:49:57,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:49:57,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2025-04-24 17:49:57,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:49:57,252 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2025-04-24 17:49:57,252 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:49:57,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2025-04-24 17:49:57,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:49:57,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2025-04-24 17:49:57,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:49:57,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2025-04-24 17:49:57,253 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:49:57,253 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2025-04-24 17:49:57,259 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:49:57,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1689634852, now seen corresponding path program 1 times [2025-04-24 17:49:57,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:49:57,259 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414525544] [2025-04-24 17:49:57,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:49:57,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:49:57,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 295 statements into 1 equivalence classes. [2025-04-24 17:49:57,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 295 of 295 statements. [2025-04-24 17:49:57,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:49:57,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:50:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 6683 backedges. 100 proven. 302 refuted. 0 times theorem prover too weak. 6281 trivial. 0 not checked. [2025-04-24 17:50:01,761 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:50:01,761 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414525544] [2025-04-24 17:50:01,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414525544] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:50:01,761 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1661975529] [2025-04-24 17:50:01,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:50:01,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:50:01,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 295 statements into 1 equivalence classes. [2025-04-24 17:50:01,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 295 of 295 statements. [2025-04-24 17:50:01,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:50:01,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:50:01,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 165 conjuncts are in the unsatisfiable core [2025-04-24 17:50:01,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:50:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6683 backedges. 92 proven. 453 refuted. 0 times theorem prover too weak. 6138 trivial. 0 not checked. [2025-04-24 17:50:02,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1661975529] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:50:02,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:50:02,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 13 [2025-04-24 17:50:02,064 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:50:02,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2025-04-24 17:50:02,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:50:02,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2025-04-24 17:50:02,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:50:02,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 311 [2025-04-24 17:50:02,064 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:50:02,064 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2025-04-24 17:50:02,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:50:02,065 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:50:02,065 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:50:02,065 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:50:02,065 INFO L85 PathProgramCache]: Analyzing trace with hash -891506099, now seen corresponding path program 13 times [2025-04-24 17:50:02,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:50:02,065 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599953716] [2025-04-24 17:50:02,065 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:50:02,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:50:02,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 316 statements into 1 equivalence classes. [2025-04-24 17:50:02,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 316 of 316 statements. [2025-04-24 17:50:02,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:50:02,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat