./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 44c38e66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/parallel-parallel-sum-1.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 b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-44c38e6-m [2025-04-24 19:53:50,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 19:53:50,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 19:53:50,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 19:53:50,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 19:53:50,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 19:53:50,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 19:53:50,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 19:53:50,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 19:53:50,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 19:53:50,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 19:53:50,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 19:53:50,524 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 19:53:50,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 19:53:50,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 19:53:50,525 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 19:53:50,526 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:53:50,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:53:50,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:53:50,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 19:53:50,527 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 19:53:50,527 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 -> b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 [2025-04-24 19:53:50,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 19:53:50,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 19:53:50,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 19:53:50,722 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 19:53:50,722 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 19:53:50,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2025-04-24 19:53:51,920 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dc38d260d/3c7f402041824c5dba244766e524d03a/FLAG31514f611 [2025-04-24 19:53:52,135 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 19:53:52,136 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2025-04-24 19:53:52,141 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dc38d260d/3c7f402041824c5dba244766e524d03a/FLAG31514f611 [2025-04-24 19:53:52,969 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dc38d260d/3c7f402041824c5dba244766e524d03a [2025-04-24 19:53:52,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 19:53:52,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 19:53:52,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 19:53:52,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 19:53:52,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 19:53:52,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:53:52" (1/1) ... [2025-04-24 19:53:52,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a796c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:52, skipping insertion in model container [2025-04-24 19:53:52,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:53:52" (1/1) ... [2025-04-24 19:53:52,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 19:53:53,153 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/parallel-parallel-sum-1.wvr.c[3694,3707] [2025-04-24 19:53:53,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:53:53,179 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 19:53:53,215 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/parallel-parallel-sum-1.wvr.c[3694,3707] [2025-04-24 19:53:53,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:53:53,227 INFO L204 MainTranslator]: Completed translation [2025-04-24 19:53:53,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53 WrapperNode [2025-04-24 19:53:53,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 19:53:53,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 19:53:53,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 19:53:53,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 19:53:53,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,263 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 288 [2025-04-24 19:53:53,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 19:53:53,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 19:53:53,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 19:53:53,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 19:53:53,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,280 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 19:53:53,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 19:53:53,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 19:53:53,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 19:53:53,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:53:53,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:53:53,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-24 19:53:53,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-24 19:53:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 19:53:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 19:53:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 19:53:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 19:53:53,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 19:53:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 19:53:53,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 19:53:53,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-24 19:53:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-24 19:53:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-24 19:53:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-24 19:53:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 19:53:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 19:53:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 19:53:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 19:53:53,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 19:53:53,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 19:53:53,336 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-24 19:53:53,417 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 19:53:53,418 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 19:53:53,699 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 19:53:53,700 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 19:53:53,929 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 19:53:53,929 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-04-24 19:53:53,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:53:53 BoogieIcfgContainer [2025-04-24 19:53:53,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 19:53:53,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 19:53:53,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 19:53:53,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 19:53:53,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 07:53:52" (1/3) ... [2025-04-24 19:53:53,934 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a37409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:53:53, skipping insertion in model container [2025-04-24 19:53:53,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (2/3) ... [2025-04-24 19:53:53,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a37409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:53:53, skipping insertion in model container [2025-04-24 19:53:53,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:53:53" (3/3) ... [2025-04-24 19:53:53,935 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2025-04-24 19:53:53,945 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 19:53:53,947 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-1.wvr.c that has 5 procedures, 46 locations, 50 edges, 1 initial locations, 5 loop locations, and 1 error locations. [2025-04-24 19:53:53,947 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 19:53:53,985 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-24 19:53:54,014 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:53:54,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 19:53:54,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:53:54,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-24 19:53:54,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-24 19:53:54,082 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 19:53:54,093 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 19:53:54,098 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;@a3bdf8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:53:54,098 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-24 19:53:54,368 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:53:54,368 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:53:54,369 INFO L139 ounterexampleChecker]: Examining path program with hash -635555853, occurence #1 [2025-04-24 19:53:54,369 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:53:54,369 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:53:54,373 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:54,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1217226255, now seen corresponding path program 1 times [2025-04-24 19:53:54,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:53:54,379 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409240129] [2025-04-24 19:53:54,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:54,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:54,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-24 19:53:54,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 19:53:54,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:54,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:54,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:53:54,527 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409240129] [2025-04-24 19:53:54,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409240129] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:53:54,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:53:54,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 19:53:54,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697287410] [2025-04-24 19:53:54,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:53:54,531 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-24 19:53:54,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:53:54,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-24 19:53:54,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-24 19:53:54,543 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:54,543 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:53:54,544 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:53:54,544 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:54,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:54,945 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 19:53:54,946 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:53:54,946 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:53:54,947 INFO L139 ounterexampleChecker]: Examining path program with hash 822179209, occurence #1 [2025-04-24 19:53:54,947 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:53:54,947 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:53:54,948 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:54,948 INFO L85 PathProgramCache]: Analyzing trace with hash -308564806, now seen corresponding path program 1 times [2025-04-24 19:53:54,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:53:54,948 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210452636] [2025-04-24 19:53:54,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:54,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:54,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-04-24 19:53:55,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-04-24 19:53:55,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:55,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:55,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:53:55,549 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210452636] [2025-04-24 19:53:55,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210452636] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:53:55,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:53:55,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:53:55,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423040903] [2025-04-24 19:53:55,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:53:55,550 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 19:53:55,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:53:55,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 19:53:55,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-24 19:53:55,551 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:55,552 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:53:55,552 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:53:55,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:55,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:55,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:55,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:53:55,678 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 19:53:55,679 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:53:55,679 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:53:55,679 INFO L139 ounterexampleChecker]: Examining path program with hash 822179209, occurence #2 [2025-04-24 19:53:55,679 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:53:55,680 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:53:55,680 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:55,680 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 19:53:55,690 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:55,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 19:53:55,690 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:55,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 19:53:55,690 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:55,690 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 19:53:55,691 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:55,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 19:53:55,737 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:55,738 INFO L85 PathProgramCache]: Analyzing trace with hash -2126812619, now seen corresponding path program 1 times [2025-04-24 19:53:55,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:53:55,739 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185378554] [2025-04-24 19:53:55,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:55,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:55,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-24 19:53:55,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-24 19:53:55,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:55,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:55,932 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:53:55,932 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185378554] [2025-04-24 19:53:55,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185378554] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:55,932 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1122184153] [2025-04-24 19:53:55,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:55,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:55,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-24 19:53:55,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-24 19:53:55,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:55,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:55,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 19:53:55,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:53:56,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:56,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1122184153] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:56,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:53:56,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-04-24 19:53:56,069 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:53:56,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-24 19:53:56,086 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:56,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1119614862, now seen corresponding path program 1 times [2025-04-24 19:53:56,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:53:56,086 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88204019] [2025-04-24 19:53:56,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:56,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:56,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-24 19:53:56,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-24 19:53:56,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:56,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:56,242 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:53:56,242 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88204019] [2025-04-24 19:53:56,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88204019] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:56,242 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1249989041] [2025-04-24 19:53:56,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:56,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:56,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-24 19:53:56,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-24 19:53:56,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:56,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:56,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 19:53:56,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:53:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:56,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1249989041] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:56,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:53:56,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-04-24 19:53:56,357 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:53:56,357 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 19:53:56,371 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:56,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1734325935, now seen corresponding path program 1 times [2025-04-24 19:53:56,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:53:56,372 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093479807] [2025-04-24 19:53:56,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:56,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:56,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-04-24 19:53:56,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-24 19:53:56,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:56,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:56,534 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:53:56,535 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093479807] [2025-04-24 19:53:56,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093479807] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:56,535 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [340690113] [2025-04-24 19:53:56,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:56,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:56,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-04-24 19:53:56,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-24 19:53:56,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:56,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:56,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 19:53:56,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:53:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:56,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [340690113] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:56,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:53:56,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-04-24 19:53:56,632 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:53:56,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-24 19:53:56,632 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:56,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-04-24 19:53:56,675 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:56,676 INFO L85 PathProgramCache]: Analyzing trace with hash -835469828, now seen corresponding path program 1 times [2025-04-24 19:53:56,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:53:56,676 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830348879] [2025-04-24 19:53:56,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:56,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:56,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-04-24 19:53:56,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-04-24 19:53:56,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:56,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:56,887 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:53:56,887 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830348879] [2025-04-24 19:53:56,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830348879] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:56,887 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1555373001] [2025-04-24 19:53:56,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:56,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:56,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-04-24 19:53:56,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-04-24 19:53:56,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:56,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:56,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 19:53:56,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:53:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:56,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1555373001] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:56,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:53:56,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-04-24 19:53:56,979 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:53:56,979 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 94 is hopeless, skipping. [2025-04-24 19:53:56,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-04-24 19:53:56,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:56,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2025-04-24 19:53:56,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:56,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-24 19:53:56,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:56,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-24 19:53:56,979 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:56,979 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:53:56,979 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:53:56,980 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:56,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1981939967, now seen corresponding path program 1 times [2025-04-24 19:53:56,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:53:56,980 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764203905] [2025-04-24 19:53:56,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:56,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:56,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-04-24 19:53:57,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-04-24 19:53:57,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:57,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:57,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:57,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:53:57,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764203905] [2025-04-24 19:53:57,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764203905] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:57,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352636782] [2025-04-24 19:53:57,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:57,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:53:57,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:53:57,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:53:57,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-24 19:53:57,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-04-24 19:53:57,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-04-24 19:53:57,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:57,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:57,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-24 19:53:57,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:53:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:57,681 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:53:57,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:57,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352636782] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:53:57,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:53:57,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 11, 11] total 24 [2025-04-24 19:53:57,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969079353] [2025-04-24 19:53:57,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:53:57,935 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-24 19:53:57,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:53:57,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-24 19:53:57,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2025-04-24 19:53:57,936 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:57,937 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:53:57,937 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.88) internal successors, (222), 24 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:53:57,937 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:57,937 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:53:57,937 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:58,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:58,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:53:58,181 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:53:58,189 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 19:53:58,382 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2025-04-24 19:53:58,382 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:53:58,382 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:53:58,383 INFO L139 ounterexampleChecker]: Examining path program with hash 822179209, occurence #3 [2025-04-24 19:53:58,383 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:53:58,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:53:58,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:58,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 19:53:58,383 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:58,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 19:53:58,383 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:58,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 19:53:58,383 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:58,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 19:53:58,383 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:58,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-24 19:53:58,414 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:58,414 INFO L85 PathProgramCache]: Analyzing trace with hash -202970584, now seen corresponding path program 1 times [2025-04-24 19:53:58,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:53:58,414 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057682426] [2025-04-24 19:53:58,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:58,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:58,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-04-24 19:53:58,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-04-24 19:53:58,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:58,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:53:58,471 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:53:58,471 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:53:58,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-24 19:53:58,487 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:58,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1917266945, now seen corresponding path program 1 times [2025-04-24 19:53:58,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:53:58,487 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968747418] [2025-04-24 19:53:58,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:58,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:58,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-04-24 19:53:58,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-04-24 19:53:58,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:58,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:58,683 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:58,684 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:53:58,684 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968747418] [2025-04-24 19:53:58,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968747418] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:58,684 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1758844485] [2025-04-24 19:53:58,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:58,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:58,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-04-24 19:53:58,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-04-24 19:53:58,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:58,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:58,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-24 19:53:58,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:53:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:58,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1758844485] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:58,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:53:58,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2025-04-24 19:53:58,896 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:53:58,896 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-24 19:53:58,909 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:58,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1201393604, now seen corresponding path program 1 times [2025-04-24 19:53:58,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:53:58,910 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882732853] [2025-04-24 19:53:58,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:58,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:58,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-04-24 19:53:58,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-04-24 19:53:58,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:58,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:59,235 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:53:59,236 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882732853] [2025-04-24 19:53:59,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882732853] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:59,236 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2079272962] [2025-04-24 19:53:59,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:59,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:59,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-04-24 19:53:59,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-04-24 19:53:59,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:59,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:59,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 19:53:59,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:53:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:59,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2079272962] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:59,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:53:59,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 32 [2025-04-24 19:53:59,695 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:53:59,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:53:59,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:59,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-24 19:53:59,726 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:59,726 INFO L85 PathProgramCache]: Analyzing trace with hash 128381569, now seen corresponding path program 1 times [2025-04-24 19:53:59,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:53:59,726 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753306982] [2025-04-24 19:53:59,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:59,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:59,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-24 19:53:59,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-24 19:53:59,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:59,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:00,185 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:00,185 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:54:00,186 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753306982] [2025-04-24 19:54:00,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753306982] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:00,186 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [624609599] [2025-04-24 19:54:00,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:00,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:00,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-24 19:54:00,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-24 19:54:00,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:00,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:00,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-24 19:54:00,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:00,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [624609599] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:00,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:54:00,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 38 [2025-04-24 19:54:00,738 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:54:00,738 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 97 is hopeless, skipping. [2025-04-24 19:54:00,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-24 19:54:00,739 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:00,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-24 19:54:00,739 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:00,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:54:00,739 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:00,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:54:00,739 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:00,739 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:00,739 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:00,740 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:00,740 INFO L85 PathProgramCache]: Analyzing trace with hash 348227194, now seen corresponding path program 2 times [2025-04-24 19:54:00,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:00,740 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710386833] [2025-04-24 19:54:00,740 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:54:00,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:00,752 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 120 statements into 2 equivalence classes. [2025-04-24 19:54:00,768 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 116 of 120 statements. [2025-04-24 19:54:00,768 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 19:54:00,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:01,083 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-24 19:54:01,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:01,084 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710386833] [2025-04-24 19:54:01,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710386833] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:54:01,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:54:01,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-24 19:54:01,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390777060] [2025-04-24 19:54:01,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:54:01,084 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 19:54:01,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:01,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 19:54:01,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-04-24 19:54:01,085 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:01,085 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:01,085 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:01,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:01,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:01,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:01,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:01,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:01,333 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:01,333 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:01,333 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:01,333 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-24 19:54:01,333 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:54:01,333 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:01,333 INFO L139 ounterexampleChecker]: Examining path program with hash 1599698327, occurence #1 [2025-04-24 19:54:01,333 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:01,333 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:01,334 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:01,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1989206232, now seen corresponding path program 3 times [2025-04-24 19:54:01,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:01,334 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602546017] [2025-04-24 19:54:01,334 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:54:01,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:01,350 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 6 equivalence classes. [2025-04-24 19:54:01,546 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 136 of 144 statements. [2025-04-24 19:54:01,547 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 19:54:01,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:02,035 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 54 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-04-24 19:54:02,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:02,035 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602546017] [2025-04-24 19:54:02,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602546017] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:02,035 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286672830] [2025-04-24 19:54:02,035 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:54:02,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:02,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:02,037 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:54:02,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-24 19:54:02,109 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 144 statements into 6 equivalence classes. [2025-04-24 19:54:02,189 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 136 of 144 statements. [2025-04-24 19:54:02,190 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 19:54:02,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:02,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-24 19:54:02,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 32 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-24 19:54:02,650 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 68 proven. 10 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-24 19:54:03,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286672830] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:03,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:03,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 16] total 50 [2025-04-24 19:54:03,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638848362] [2025-04-24 19:54:03,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:03,010 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2025-04-24 19:54:03,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:03,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2025-04-24 19:54:03,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=510, Invalid=2040, Unknown=0, NotChecked=0, Total=2550 [2025-04-24 19:54:03,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:03,012 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:03,013 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 7.294117647058823) internal successors, (372), 50 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:03,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:03,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:03,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:03,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:03,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:03,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:03,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:03,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:03,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:03,317 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:03,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-24 19:54:03,520 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:03,521 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:54:03,521 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:03,521 INFO L139 ounterexampleChecker]: Examining path program with hash 1599698327, occurence #2 [2025-04-24 19:54:03,521 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:03,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:03,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 19:54:03,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:03,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 19:54:03,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:03,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 19:54:03,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:03,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-24 19:54:03,521 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:03,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-24 19:54:03,544 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:03,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1525633347, now seen corresponding path program 1 times [2025-04-24 19:54:03,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:03,545 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344403561] [2025-04-24 19:54:03,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:03,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:03,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-24 19:54:03,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-24 19:54:03,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:03,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:54:03,577 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:54:03,577 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:54:03,577 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:54:03,577 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,577 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-24 19:54:03,578 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-24 19:54:03,578 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-04-24 19:54:03,579 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 130 [2025-04-24 19:54:03,579 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:54:03,579 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-24 19:54:03,579 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2025-04-24 19:54:03,579 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2025-04-24 19:54:03,580 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,580 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2025-04-24 19:54:03,580 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:03,580 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:03,580 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:03,581 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:03,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2101255304, now seen corresponding path program 4 times [2025-04-24 19:54:03,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:03,581 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821019472] [2025-04-24 19:54:03,581 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:54:03,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:03,596 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 150 statements into 2 equivalence classes. [2025-04-24 19:54:03,602 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 81 of 150 statements. [2025-04-24 19:54:03,602 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:54:03,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:54:03,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:03,815 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821019472] [2025-04-24 19:54:03,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821019472] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:03,815 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758468480] [2025-04-24 19:54:03,815 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:54:03,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:03,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:03,817 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:54:03,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-24 19:54:03,897 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 150 statements into 2 equivalence classes. [2025-04-24 19:54:03,922 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 81 of 150 statements. [2025-04-24 19:54:03,922 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:54:03,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:03,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-04-24 19:54:03,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:04,371 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:54:04,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 36 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:54:04,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758468480] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:04,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:04,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 30, 9] total 39 [2025-04-24 19:54:04,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26612771] [2025-04-24 19:54:04,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:04,580 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-04-24 19:54:04,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:04,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-04-24 19:54:04,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1243, Unknown=0, NotChecked=0, Total=1482 [2025-04-24 19:54:04,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:04,582 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:04,582 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 6.717948717948718) internal successors, (262), 39 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:04,582 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:04,582 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:04,582 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:04,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:04,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:04,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:05,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:05,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:05,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:05,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:05,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:05,880 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:54:05,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-24 19:54:06,081 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:06,081 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:54:06,081 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:06,081 INFO L139 ounterexampleChecker]: Examining path program with hash -1657133796, occurence #1 [2025-04-24 19:54:06,081 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:06,081 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:06,081 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:06,082 INFO L85 PathProgramCache]: Analyzing trace with hash -749144095, now seen corresponding path program 5 times [2025-04-24 19:54:06,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:06,082 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327838568] [2025-04-24 19:54:06,082 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:54:06,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:06,102 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 202 statements into 9 equivalence classes. [2025-04-24 19:54:06,223 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 202 of 202 statements. [2025-04-24 19:54:06,224 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-04-24 19:54:06,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 504 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 19:54:07,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:07,125 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327838568] [2025-04-24 19:54:07,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327838568] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:07,126 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209923567] [2025-04-24 19:54:07,126 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:54:07,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:07,129 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:54:07,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-24 19:54:07,219 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 202 statements into 9 equivalence classes. [2025-04-24 19:54:07,553 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 202 of 202 statements. [2025-04-24 19:54:07,553 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-04-24 19:54:07,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:07,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-04-24 19:54:07,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:08,446 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 421 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:08,446 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 504 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:09,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209923567] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:09,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:09,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 34, 34] total 96 [2025-04-24 19:54:09,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782216942] [2025-04-24 19:54:09,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:09,307 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-04-24 19:54:09,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:09,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-04-24 19:54:09,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1908, Invalid=7404, Unknown=0, NotChecked=0, Total=9312 [2025-04-24 19:54:09,310 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:09,310 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:09,311 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 6.144329896907217) internal successors, (596), 96 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:09,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:09,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:09,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:09,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:09,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:09,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:54:09,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:09,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:09,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:09,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:09,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:09,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:09,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:54:09,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:54:09,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-24 19:54:09,963 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,SelfDestructingSolverStorable22 [2025-04-24 19:54:09,963 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:54:09,963 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:09,964 INFO L139 ounterexampleChecker]: Examining path program with hash -1657133796, occurence #2 [2025-04-24 19:54:09,964 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:09,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:09,964 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:09,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-24 19:54:09,964 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:09,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 19:54:09,964 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:09,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 19:54:09,964 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:09,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:54:09,964 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:09,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-04-24 19:54:09,964 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:09,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-04-24 19:54:09,982 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:09,982 INFO L85 PathProgramCache]: Analyzing trace with hash -669908114, now seen corresponding path program 1 times [2025-04-24 19:54:09,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:09,982 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325522213] [2025-04-24 19:54:09,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:09,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:09,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 198 statements into 1 equivalence classes. [2025-04-24 19:54:10,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 198 of 198 statements. [2025-04-24 19:54:10,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:10,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:54:10,427 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:54:10,428 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:54:10,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-04-24 19:54:10,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:10,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2025-04-24 19:54:10,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:10,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-04-24 19:54:10,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:10,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2025-04-24 19:54:10,429 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:10,429 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:10,429 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:10,429 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:10,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1710126369, now seen corresponding path program 6 times [2025-04-24 19:54:10,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:10,429 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612570089] [2025-04-24 19:54:10,429 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:54:10,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:10,449 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 214 statements into 12 equivalence classes. [2025-04-24 19:54:10,800 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 214 of 214 statements. [2025-04-24 19:54:10,800 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-04-24 19:54:10,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2025-04-24 19:54:11,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:11,701 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612570089] [2025-04-24 19:54:11,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612570089] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:54:11,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:54:11,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-24 19:54:11,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089587679] [2025-04-24 19:54:11,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:54:11,702 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-24 19:54:11,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:11,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-24 19:54:11,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-24 19:54:11,702 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:11,702 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:11,703 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:11,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:11,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:11,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:11,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:11,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:11,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 19:54:11,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:54:11,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:11,968 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:11,968 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:11,968 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:11,968 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:11,968 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:11,968 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:54:11,968 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:54:11,969 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:11,969 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2025-04-24 19:54:11,969 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:54:11,969 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:11,969 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #1 [2025-04-24 19:54:11,969 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:11,969 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:11,970 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:11,970 INFO L85 PathProgramCache]: Analyzing trace with hash 169618148, now seen corresponding path program 7 times [2025-04-24 19:54:11,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:11,970 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634050085] [2025-04-24 19:54:11,970 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:54:11,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:11,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-04-24 19:54:12,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-04-24 19:54:12,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:12,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 543 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:15,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:15,012 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634050085] [2025-04-24 19:54:15,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634050085] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:15,012 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778829264] [2025-04-24 19:54:15,012 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:54:15,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:15,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:15,014 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:54:15,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-24 19:54:15,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-04-24 19:54:15,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-04-24 19:54:15,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:15,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:15,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-04-24 19:54:15,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 433 proven. 337 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-04-24 19:54:17,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 517 proven. 253 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-04-24 19:54:19,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778829264] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:19,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:19,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 47, 47] total 166 [2025-04-24 19:54:19,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105195882] [2025-04-24 19:54:19,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:19,424 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2025-04-24 19:54:19,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:19,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2025-04-24 19:54:19,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4197, Invalid=23525, Unknown=0, NotChecked=0, Total=27722 [2025-04-24 19:54:19,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:19,438 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:19,440 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 167 states have (on average 4.11377245508982) internal successors, (687), 166 states have internal predecessors, (687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:19,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:19,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:19,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:19,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:19,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:19,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:54:19,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:54:19,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:19,440 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:20,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:20,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:20,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:20,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:20,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:20,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:54:20,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:54:20,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:20,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:54:20,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-24 19:54:20,787 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-04-24 19:54:20,787 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:54:20,787 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:20,788 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #2 [2025-04-24 19:54:20,788 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-24 19:54:20,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 19:54:20,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 19:54:20,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:54:20,788 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2025-04-24 19:54:20,788 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:20,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-04-24 19:54:20,799 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:20,799 INFO L85 PathProgramCache]: Analyzing trace with hash 165669734, now seen corresponding path program 1 times [2025-04-24 19:54:20,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:20,799 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93716038] [2025-04-24 19:54:20,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:20,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:20,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 210 statements into 1 equivalence classes. [2025-04-24 19:54:21,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 210 of 210 statements. [2025-04-24 19:54:21,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:21,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:54:21,168 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:54:21,169 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:54:21,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2025-04-24 19:54:21,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:21,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-04-24 19:54:21,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:21,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-04-24 19:54:21,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:21,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-04-24 19:54:21,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:21,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-04-24 19:54:21,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:21,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2025-04-24 19:54:21,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:21,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2025-04-24 19:54:21,169 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:21,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-04-24 19:54:21,169 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:21,169 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:21,169 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:21,170 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:21,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1645628356, now seen corresponding path program 8 times [2025-04-24 19:54:21,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:21,170 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745562486] [2025-04-24 19:54:21,170 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:54:21,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:21,189 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-04-24 19:54:21,231 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-04-24 19:54:21,232 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:54:21,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 549 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:23,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:23,139 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745562486] [2025-04-24 19:54:23,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745562486] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:23,139 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840318395] [2025-04-24 19:54:23,139 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:54:23,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:23,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:23,141 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:54:23,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-24 19:54:23,243 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-04-24 19:54:23,330 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-04-24 19:54:23,330 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:54:23,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:23,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-04-24 19:54:23,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 525 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:24,824 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:26,140 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 549 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:26,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840318395] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:26,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:26,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 52, 52] total 131 [2025-04-24 19:54:26,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187784335] [2025-04-24 19:54:26,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:26,141 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2025-04-24 19:54:26,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:26,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2025-04-24 19:54:26,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4013, Invalid=13279, Unknown=0, NotChecked=0, Total=17292 [2025-04-24 19:54:26,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:26,145 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:26,146 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 4.4772727272727275) internal successors, (591), 131 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:26,146 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:26,146 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:26,146 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:26,146 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:26,146 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:26,146 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:54:26,146 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:54:26,146 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:26,146 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:54:26,146 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:26,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:54:26,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:54:26,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:26,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:54:26,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:54:26,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-24 19:54:26,911 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,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2025-04-24 19:54:26,912 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:54:26,912 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:26,912 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #3 [2025-04-24 19:54:26,912 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:26,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 19:54:26,912 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 19:54:26,912 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:54:26,912 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 19:54:26,912 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:26,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-04-24 19:54:26,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:26,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-04-24 19:54:26,923 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:26,923 INFO L85 PathProgramCache]: Analyzing trace with hash 317598352, now seen corresponding path program 1 times [2025-04-24 19:54:26,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:26,923 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519103865] [2025-04-24 19:54:26,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:26,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:26,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 213 statements into 1 equivalence classes. [2025-04-24 19:54:27,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 213 of 213 statements. [2025-04-24 19:54:27,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:27,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:54:27,190 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:54:27,190 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:54:27,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2025-04-24 19:54:27,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:27,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2025-04-24 19:54:27,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:27,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-04-24 19:54:27,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:27,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-04-24 19:54:27,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:27,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2025-04-24 19:54:27,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:27,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-04-24 19:54:27,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:27,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2025-04-24 19:54:27,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:27,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-04-24 19:54:27,192 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:27,192 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:27,192 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:27,192 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:27,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1088268843, now seen corresponding path program 9 times [2025-04-24 19:54:27,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:27,193 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082390096] [2025-04-24 19:54:27,193 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:54:27,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:27,213 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 15 equivalence classes. [2025-04-24 19:54:27,564 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 244 of 255 statements. [2025-04-24 19:54:27,565 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-24 19:54:27,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 32 proven. 129 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2025-04-24 19:54:28,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:28,544 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082390096] [2025-04-24 19:54:28,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082390096] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:28,544 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988545525] [2025-04-24 19:54:28,545 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:54:28,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:28,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:28,546 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:54:28,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-24 19:54:28,685 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 15 equivalence classes. [2025-04-24 19:54:29,011 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 244 of 255 statements. [2025-04-24 19:54:29,011 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-24 19:54:29,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:29,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-04-24 19:54:29,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:29,881 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 32 proven. 517 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 19:54:29,881 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:30,165 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 21 proven. 140 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2025-04-24 19:54:30,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988545525] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:30,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:30,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 52, 9] total 62 [2025-04-24 19:54:30,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856699161] [2025-04-24 19:54:30,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:30,166 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-04-24 19:54:30,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:30,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-04-24 19:54:30,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=586, Invalid=3196, Unknown=0, NotChecked=0, Total=3782 [2025-04-24 19:54:30,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:30,168 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:30,168 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.112903225806452) internal successors, (379), 62 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:30,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:30,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:30,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:30,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:30,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:30,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:54:30,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:54:30,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:30,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:54:30,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:54:30,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:32,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:32,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:32,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:32,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:32,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:32,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:54:32,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:54:32,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:32,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:54:32,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:54:32,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:54:32,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-24 19:54:33,054 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable28,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:33,054 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:54:33,054 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:33,055 INFO L139 ounterexampleChecker]: Examining path program with hash 1286708779, occurence #1 [2025-04-24 19:54:33,055 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:33,055 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:33,055 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:33,055 INFO L85 PathProgramCache]: Analyzing trace with hash -80474864, now seen corresponding path program 10 times [2025-04-24 19:54:33,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:33,055 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60503364] [2025-04-24 19:54:33,055 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:54:33,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:33,080 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 379 statements into 2 equivalence classes. [2025-04-24 19:54:33,098 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 187 of 379 statements. [2025-04-24 19:54:33,099 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:54:33,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 98 proven. 405 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2025-04-24 19:54:33,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:33,999 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60503364] [2025-04-24 19:54:33,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60503364] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:33,999 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778468417] [2025-04-24 19:54:33,999 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:54:33,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:33,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:34,001 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 19:54:34,002 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 19:54:34,144 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 379 statements into 2 equivalence classes. [2025-04-24 19:54:34,192 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 187 of 379 statements. [2025-04-24 19:54:34,192 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:54:34,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:34,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 82 conjuncts are in the unsatisfiable core [2025-04-24 19:54:34,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 98 proven. 1512 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 19:54:35,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:36,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 78 proven. 293 refuted. 0 times theorem prover too weak. 1617 trivial. 0 not checked. [2025-04-24 19:54:36,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778468417] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:36,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:36,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 83, 12] total 95 [2025-04-24 19:54:36,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490830254] [2025-04-24 19:54:36,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:36,425 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2025-04-24 19:54:36,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:36,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2025-04-24 19:54:36,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=973, Invalid=7957, Unknown=0, NotChecked=0, Total=8930 [2025-04-24 19:54:36,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:36,427 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:36,427 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.3052631578947365) internal successors, (504), 95 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:54:36,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:36,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:36,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:36,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:36,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:36,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:54:36,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:54:36,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:36,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:54:36,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:54:36,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:54:36,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:54:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:54:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:54:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:54:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:54:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:54:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:54:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:54:43,072 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-24 19:54:43,079 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 19:54:43,272 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:43,273 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:54:43,273 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:43,273 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #4 [2025-04-24 19:54:43,273 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:43,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:43,273 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:43,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 19:54:43,273 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:43,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 19:54:43,273 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:43,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:54:43,273 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:43,282 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 19:54:43,282 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:43,282 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 394 [2025-04-24 19:54:43,282 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:43,282 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 468 [2025-04-24 19:54:43,291 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:43,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1271052199, now seen corresponding path program 1 times [2025-04-24 19:54:43,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:43,291 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907225156] [2025-04-24 19:54:43,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:43,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:43,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-04-24 19:54:43,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-04-24 19:54:43,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:43,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4040 backedges. 3662 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:53,325 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:54:53,325 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907225156] [2025-04-24 19:54:53,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907225156] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:53,326 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [945725944] [2025-04-24 19:54:53,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:53,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:53,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-04-24 19:54:53,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-04-24 19:54:53,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:53,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:53,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 1986 conjuncts, 138 conjuncts are in the unsatisfiable core [2025-04-24 19:54:53,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:55:06,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4040 backedges. 3435 proven. 605 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:55:06,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [945725944] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:06,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:55:06,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [134, 134] total 268 [2025-04-24 19:55:06,040 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:55:06,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-04-24 19:55:06,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:06,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 484 [2025-04-24 19:55:06,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:06,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 489 [2025-04-24 19:55:06,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:06,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2025-04-24 19:55:06,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:06,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-04-24 19:55:06,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:06,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 501 [2025-04-24 19:55:06,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:06,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 505 [2025-04-24 19:55:06,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:06,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2025-04-24 19:55:06,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:06,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-04-24 19:55:06,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:06,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 517 [2025-04-24 19:55:06,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:06,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 521 [2025-04-24 19:55:06,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:06,041 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-04-24 19:55:06,041 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:06,041 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 525 [2025-04-24 19:55:06,041 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:06,041 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:55:06,041 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:55:06,041 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:06,041 INFO L85 PathProgramCache]: Analyzing trace with hash -330040652, now seen corresponding path program 11 times [2025-04-24 19:55:06,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:55:06,041 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577596082] [2025-04-24 19:55:06,041 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:55:06,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:06,076 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 531 statements into 22 equivalence classes. [2025-04-24 19:55:06,977 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 531 of 531 statements. [2025-04-24 19:55:06,977 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-04-24 19:55:06,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:12,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4220 backedges. 3680 proven. 378 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-24 19:55:12,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:55:12,110 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577596082] [2025-04-24 19:55:12,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577596082] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:12,110 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68431843] [2025-04-24 19:55:12,110 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:55:12,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:12,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:55:12,112 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 19:55:12,113 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 19:55:12,295 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 531 statements into 22 equivalence classes. [2025-04-24 19:55:59,590 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 531 of 531 statements. [2025-04-24 19:55:59,591 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-04-24 19:55:59,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:59,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 2226 conjuncts, 89 conjuncts are in the unsatisfiable core [2025-04-24 19:55:59,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4220 backedges. 3453 proven. 605 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-24 19:56:03,891 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:56:06,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4220 backedges. 3680 proven. 378 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-24 19:56:06,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68431843] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:56:06,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:56:06,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [86, 86, 86] total 229 [2025-04-24 19:56:06,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496501938] [2025-04-24 19:56:06,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:56:06,645 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 230 states [2025-04-24 19:56:06,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:06,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 230 interpolants. [2025-04-24 19:56:06,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13805, Invalid=38865, Unknown=0, NotChecked=0, Total=52670 [2025-04-24 19:56:06,651 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:06,651 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:06,651 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 230 states, 230 states have (on average 5.439130434782609) internal successors, (1251), 229 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:56:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:06,651 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:06,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:56:06,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:56:06,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:56:06,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:56:06,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:56:06,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:06,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:56:06,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:56:06,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:56:06,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-24 19:56:06,652 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-24 19:56:07,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-24 19:56:07,485 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 19:56:07,658 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33 [2025-04-24 19:56:07,659 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:56:07,659 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:07,659 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #5 [2025-04-24 19:56:07,659 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:56:07,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:56:07,659 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:07,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-24 19:56:07,659 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:56:07,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-24 19:56:07,659 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:56:07,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-24 19:56:07,659 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:56:07,659 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-24 19:56:07,659 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:56:07,660 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2025-04-24 19:56:07,660 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:07,660 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-04-24 19:56:07,671 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:07,671 INFO L85 PathProgramCache]: Analyzing trace with hash -535222653, now seen corresponding path program 1 times [2025-04-24 19:56:07,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:07,671 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385535336] [2025-04-24 19:56:07,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:07,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:07,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 498 statements into 1 equivalence classes. [2025-04-24 19:56:07,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 498 of 498 statements. [2025-04-24 19:56:07,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:07,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5258 backedges. 3662 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:15,334 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:56:15,334 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385535336] [2025-04-24 19:56:15,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385535336] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:15,334 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [203409642] [2025-04-24 19:56:15,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:15,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:15,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 498 statements into 1 equivalence classes. [2025-04-24 19:56:15,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 498 of 498 statements. [2025-04-24 19:56:15,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:15,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:15,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 117 conjuncts are in the unsatisfiable core [2025-04-24 19:56:15,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5258 backedges. 3435 proven. 1823 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:23,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [203409642] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:23,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:56:23,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 113] total 226 [2025-04-24 19:56:23,681 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:56:23,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 506 [2025-04-24 19:56:23,681 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:23,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-04-24 19:56:23,681 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:23,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 518 [2025-04-24 19:56:23,681 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:23,681 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 522 [2025-04-24 19:56:23,681 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:23,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 526 [2025-04-24 19:56:23,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:23,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 530 [2025-04-24 19:56:23,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:23,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 534 [2025-04-24 19:56:23,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:23,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2025-04-24 19:56:23,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:23,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 542 [2025-04-24 19:56:23,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:23,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 546 [2025-04-24 19:56:23,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:23,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-04-24 19:56:23,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:23,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-04-24 19:56:23,682 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:23,682 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-04-24 19:56:23,682 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:56:23,682 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:56:23,682 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:23,682 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:23,683 INFO L85 PathProgramCache]: Analyzing trace with hash 228918221, now seen corresponding path program 12 times [2025-04-24 19:56:23,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:23,683 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37067733] [2025-04-24 19:56:23,683 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:56:23,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:23,718 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 560 statements into 29 equivalence classes. [2025-04-24 19:56:26,952 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) and asserted 560 of 560 statements. [2025-04-24 19:56:26,952 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2025-04-24 19:56:26,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:32,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 162 proven. 497 refuted. 0 times theorem prover too weak. 4779 trivial. 0 not checked. [2025-04-24 19:56:32,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:32,332 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37067733] [2025-04-24 19:56:32,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37067733] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:32,332 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533791357] [2025-04-24 19:56:32,332 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:56:32,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:32,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:32,337 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 19:56:32,339 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 19:56:32,557 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 560 statements into 29 equivalence classes. [2025-04-24 19:58:03,396 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) and asserted 560 of 560 statements. [2025-04-24 19:58:03,396 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2025-04-24 19:58:03,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:58:03,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 2487 conjuncts, 119 conjuncts are in the unsatisfiable core [2025-04-24 19:58:03,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:58:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 3453 proven. 1823 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-24 19:58:07,663 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:58:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5438 backedges. 3662 proven. 1614 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-24 19:58:14,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533791357] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:58:14,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:58:14,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 116, 116] total 244 [2025-04-24 19:58:14,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197018908] [2025-04-24 19:58:14,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:58:14,145 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 244 states [2025-04-24 19:58:14,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:58:14,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 244 interpolants. [2025-04-24 19:58:14,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13718, Invalid=45574, Unknown=0, NotChecked=0, Total=59292 [2025-04-24 19:58:14,152 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:58:14,152 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:58:14,152 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 244 states, 244 states have (on average 4.840163934426229) internal successors, (1181), 244 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-24 19:58:14,152 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-24 19:58:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-24 19:58:17,531 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 19:58:17,630 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:58:17,631 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:58:17,631 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:58:17,631 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #6 [2025-04-24 19:58:17,631 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:58:17,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:58:17,631 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:17,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-24 19:58:17,631 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:58:17,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-24 19:58:17,632 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:58:17,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 19:58:17,632 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:58:17,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 19:58:17,632 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:58:17,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2025-04-24 19:58:17,632 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:17,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-04-24 19:58:17,642 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:58:17,642 INFO L85 PathProgramCache]: Analyzing trace with hash 560395414, now seen corresponding path program 1 times [2025-04-24 19:58:17,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:58:17,642 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656780498] [2025-04-24 19:58:17,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:58:17,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:58:17,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 524 statements into 1 equivalence classes. [2025-04-24 19:58:17,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 524 of 524 statements. [2025-04-24 19:58:17,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:58:17,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:58:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5519 backedges. 3808 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:58:26,080 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:58:26,080 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656780498] [2025-04-24 19:58:26,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656780498] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:58:26,080 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [314404061] [2025-04-24 19:58:26,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:58:26,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:58:26,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 524 statements into 1 equivalence classes. [2025-04-24 19:58:26,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 524 of 524 statements. [2025-04-24 19:58:26,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:58:26,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:58:26,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 2355 conjuncts, 123 conjuncts are in the unsatisfiable core [2025-04-24 19:58:26,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:58:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5519 backedges. 3581 proven. 1938 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:58:35,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [314404061] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:58:35,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:58:35,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [119, 119] total 238 [2025-04-24 19:58:35,194 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:58:35,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 532 [2025-04-24 19:58:35,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:35,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 539 [2025-04-24 19:58:35,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:35,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 544 [2025-04-24 19:58:35,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:35,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2025-04-24 19:58:35,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:35,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-04-24 19:58:35,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:35,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-04-24 19:58:35,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:35,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2025-04-24 19:58:35,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:35,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 564 [2025-04-24 19:58:35,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:35,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 568 [2025-04-24 19:58:35,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:35,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 572 [2025-04-24 19:58:35,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:35,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 576 [2025-04-24 19:58:35,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:35,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 578 [2025-04-24 19:58:35,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:35,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 580 [2025-04-24 19:58:35,195 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:58:35,195 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:58:35,195 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:58:35,195 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:58:35,195 INFO L85 PathProgramCache]: Analyzing trace with hash 611814747, now seen corresponding path program 13 times [2025-04-24 19:58:35,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:58:35,195 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687513779] [2025-04-24 19:58:35,195 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:58:35,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:58:35,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 586 statements into 1 equivalence classes. [2025-04-24 19:58:35,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 586 of 586 statements. [2025-04-24 19:58:35,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:58:35,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:58:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3970 proven. 1735 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:58:52,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:58:52,484 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687513779] [2025-04-24 19:58:52,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687513779] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:58:52,484 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833619969] [2025-04-24 19:58:52,484 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:58:52,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:58:52,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:58:52,486 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 19:58:52,486 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 19:58:52,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 586 statements into 1 equivalence classes. [2025-04-24 19:58:52,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 586 of 586 statements. [2025-04-24 19:58:52,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:58:52,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:58:52,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 124 conjuncts are in the unsatisfiable core [2025-04-24 19:58:52,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:59:03,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3605 proven. 1938 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-24 19:59:03,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:59:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3832 proven. 1711 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-04-24 19:59:17,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833619969] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:59:17,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:59:17,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [185, 121, 121] total 425 [2025-04-24 19:59:17,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246652297] [2025-04-24 19:59:17,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:59:17,376 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 426 states [2025-04-24 19:59:17,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:59:17,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 426 interpolants. [2025-04-24 19:59:17,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27295, Invalid=153755, Unknown=0, NotChecked=0, Total=181050 [2025-04-24 19:59:17,389 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:17,389 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:59:17,390 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 426 states, 426 states have (on average 3.884976525821596) internal successors, (1655), 425 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:59:17,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:17,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:59:17,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:59:17,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:59:17,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:59:17,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:59:17,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:59:17,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:59:17,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:59:17,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:59:17,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:59:17,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-24 19:59:17,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-24 19:59:17,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-24 19:59:17,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:22,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-24 19:59:22,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-24 19:59:22,458 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 19:59:22,649 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,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-04-24 19:59:22,649 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:59:22,649 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:59:22,650 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #7 [2025-04-24 19:59:22,650 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:59:22,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:59:22,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:22,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-24 19:59:22,650 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:22,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-24 19:59:22,650 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:22,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-24 19:59:22,650 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:22,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:59:22,650 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:22,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2025-04-24 19:59:22,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:22,651 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 527 [2025-04-24 19:59:22,661 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:59:22,661 INFO L85 PathProgramCache]: Analyzing trace with hash -990409127, now seen corresponding path program 1 times [2025-04-24 19:59:22,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:59:22,661 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213645146] [2025-04-24 19:59:22,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:59:22,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:59:22,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 528 statements into 1 equivalence classes. [2025-04-24 19:59:24,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 528 of 528 statements. [2025-04-24 19:59:24,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:59:24,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:59:24,998 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:59:24,999 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 536 [2025-04-24 19:59:24,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 543 [2025-04-24 19:59:24,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2025-04-24 19:59:24,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-04-24 19:59:24,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-04-24 19:59:24,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2025-04-24 19:59:24,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 564 [2025-04-24 19:59:24,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 568 [2025-04-24 19:59:24,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 572 [2025-04-24 19:59:24,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 576 [2025-04-24 19:59:24,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 580 [2025-04-24 19:59:24,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 582 [2025-04-24 19:59:24,999 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:24,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 584 [2025-04-24 19:59:24,999 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:24,999 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:59:24,999 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:59:25,000 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:59:25,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1572181787, now seen corresponding path program 14 times [2025-04-24 19:59:25,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:59:25,001 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587155066] [2025-04-24 19:59:25,001 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:59:25,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:59:25,040 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 590 statements into 2 equivalence classes. [2025-04-24 19:59:25,271 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 590 of 590 statements. [2025-04-24 19:59:25,271 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:59:25,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:59:35,372 INFO L134 CoverageAnalysis]: Checked inductivity of 5947 backedges. 3994 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:59:35,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:59:35,372 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587155066] [2025-04-24 19:59:35,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587155066] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:59:35,372 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628199785] [2025-04-24 19:59:35,373 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:59:35,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:59:35,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:59:35,374 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:59:35,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-24 19:59:35,636 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 590 statements into 2 equivalence classes. [2025-04-24 19:59:35,838 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 590 of 590 statements. [2025-04-24 19:59:35,839 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:59:35,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:59:35,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 2631 conjuncts, 130 conjuncts are in the unsatisfiable core [2025-04-24 19:59:35,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:59:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5947 backedges. 3931 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:59:45,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:59:54,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5947 backedges. 3994 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:59:54,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628199785] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:59:54,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:59:54,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 127, 127] total 318 [2025-04-24 19:59:54,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913358248] [2025-04-24 19:59:54,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:59:54,308 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 319 states [2025-04-24 19:59:54,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:59:54,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 319 interpolants. [2025-04-24 19:59:54,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22685, Invalid=78757, Unknown=0, NotChecked=0, Total=101442 [2025-04-24 19:59:54,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:54,320 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:59:54,320 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 319 states, 319 states have (on average 5.040752351097178) internal successors, (1608), 318 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:59:54,320 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:54,320 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-24 19:59:54,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:58,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:58,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:59:58,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:59:58,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:59:58,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:59:58,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 19:59:58,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:59:58,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:59:58,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:59:58,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:59:58,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:59:58,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-24 19:59:58,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-24 19:59:58,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-24 19:59:58,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-24 19:59:58,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-24 19:59:58,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-24 19:59:58,528 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41 [2025-04-24 19:59:58,528 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 19:59:58,529 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:59:58,529 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #8 [2025-04-24 19:59:58,529 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:59:58,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:59:58,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:58,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 19:59:58,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:58,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 19:59:58,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:58,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-24 19:59:58,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:58,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:59:58,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:58,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 431 [2025-04-24 19:59:58,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:58,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 529 [2025-04-24 19:59:58,538 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:59:58,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1692154052, now seen corresponding path program 1 times [2025-04-24 19:59:58,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:59:58,538 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417701183] [2025-04-24 19:59:58,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:59:58,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:59:58,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 530 statements into 1 equivalence classes. [2025-04-24 20:00:01,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 530 of 530 statements. [2025-04-24 20:00:01,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:00:01,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 20:00:01,193 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 20:00:01,194 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 20:00:01,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2025-04-24 20:00:01,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:01,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 545 [2025-04-24 20:00:01,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:01,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-04-24 20:00:01,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:01,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-04-24 20:00:01,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:01,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2025-04-24 20:00:01,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:01,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 562 [2025-04-24 20:00:01,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:01,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 566 [2025-04-24 20:00:01,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:01,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2025-04-24 20:00:01,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:01,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 574 [2025-04-24 20:00:01,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:01,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 578 [2025-04-24 20:00:01,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:01,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 582 [2025-04-24 20:00:01,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:01,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 584 [2025-04-24 20:00:01,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:01,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 586 [2025-04-24 20:00:01,195 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:00:01,195 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:00:01,195 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:00:01,196 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:00:01,196 INFO L85 PathProgramCache]: Analyzing trace with hash -245135365, now seen corresponding path program 15 times [2025-04-24 20:00:01,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:00:01,196 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631020305] [2025-04-24 20:00:01,196 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 20:00:01,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:00:01,240 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 592 statements into 33 equivalence classes. [2025-04-24 20:00:04,636 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) and asserted 570 of 592 statements. [2025-04-24 20:00:04,636 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2025-04-24 20:00:04,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:00:10,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6074 backedges. 162 proven. 649 refuted. 0 times theorem prover too weak. 5263 trivial. 0 not checked. [2025-04-24 20:00:10,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:00:10,511 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631020305] [2025-04-24 20:00:10,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631020305] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:00:10,511 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564603089] [2025-04-24 20:00:10,511 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 20:00:10,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:00:10,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:00:10,512 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:00:10,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-24 20:00:10,774 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 592 statements into 33 equivalence classes. [2025-04-24 20:00:21,757 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) and asserted 570 of 592 statements. [2025-04-24 20:00:21,757 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2025-04-24 20:00:21,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:00:21,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 126 conjuncts are in the unsatisfiable core [2025-04-24 20:00:21,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:00:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6074 backedges. 162 proven. 3832 refuted. 0 times theorem prover too weak. 2080 trivial. 0 not checked. [2025-04-24 20:00:24,620 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:00:25,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6074 backedges. 136 proven. 675 refuted. 0 times theorem prover too weak. 5263 trivial. 0 not checked. [2025-04-24 20:00:25,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564603089] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:00:25,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:00:25,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 127, 15] total 141 [2025-04-24 20:00:25,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70538136] [2025-04-24 20:00:25,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:00:25,259 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2025-04-24 20:00:25,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:00:25,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2025-04-24 20:00:25,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1950, Invalid=17790, Unknown=0, NotChecked=0, Total=19740 [2025-04-24 20:00:25,262 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:00:25,262 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:00:25,262 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 5.191489361702128) internal successors, (732), 141 states have internal predecessors, (732), 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 20:00:25,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:00:25,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:00:25,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:00:25,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 20:00:25,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 20:00:25,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 20:00:25,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 20:00:25,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:00:25,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 20:00:25,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:00:25,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 20:00:25,263 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-24 20:00:25,263 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-24 20:00:25,263 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-24 20:00:25,263 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-24 20:00:25,263 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-24 20:00:25,263 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-24 20:00:37,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-04-24 20:00:37,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-24 20:00:37,977 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:00:37,978 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 20:00:37,978 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:00:37,978 INFO L139 ounterexampleChecker]: Examining path program with hash 1286708779, occurence #2 [2025-04-24 20:00:37,978 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:00:37,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 20:00:37,978 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:37,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 20:00:37,978 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:00:37,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 20:00:37,978 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:00:37,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-24 20:00:37,979 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:00:37,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 20:00:37,979 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:00:37,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2025-04-24 20:00:37,979 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:00:37,979 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 701 [2025-04-24 20:00:37,987 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:00:37,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1204152198, now seen corresponding path program 1 times [2025-04-24 20:00:37,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 20:00:37,987 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105572435] [2025-04-24 20:00:37,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:00:37,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:00:38,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 702 statements into 1 equivalence classes. [2025-04-24 20:00:38,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 702 of 702 statements. [2025-04-24 20:00:38,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:00:38,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:01:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 10718 backedges. 8638 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:01:04,336 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 20:01:04,336 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105572435] [2025-04-24 20:01:04,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105572435] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:01:04,337 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1897995526] [2025-04-24 20:01:04,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:01:04,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:01:04,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 702 statements into 1 equivalence classes. [2025-04-24 20:01:04,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 702 of 702 statements. [2025-04-24 20:01:04,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:01:04,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:01:04,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 3054 conjuncts, 224 conjuncts are in the unsatisfiable core [2025-04-24 20:01:04,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:01:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 10718 backedges. 8286 proven. 2432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:01:36,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1897995526] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:01:36,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 20:01:36,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [220, 220] total 440 [2025-04-24 20:01:36,107 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 20:01:36,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 710 [2025-04-24 20:01:36,107 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 717 [2025-04-24 20:01:36,107 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 724 [2025-04-24 20:01:36,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 728 [2025-04-24 20:01:36,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 732 [2025-04-24 20:01:36,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 736 [2025-04-24 20:01:36,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 740 [2025-04-24 20:01:36,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 744 [2025-04-24 20:01:36,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 748 [2025-04-24 20:01:36,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 752 [2025-04-24 20:01:36,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 756 [2025-04-24 20:01:36,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 760 [2025-04-24 20:01:36,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 764 [2025-04-24 20:01:36,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 766 [2025-04-24 20:01:36,108 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:36,108 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 768 [2025-04-24 20:01:36,108 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:01:36,108 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:01:36,108 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:01:36,109 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:01:36,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1590144698, now seen corresponding path program 16 times [2025-04-24 20:01:36,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:01:36,109 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646899242] [2025-04-24 20:01:36,109 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 20:01:36,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:01:36,154 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 772 statements into 2 equivalence classes. [2025-04-24 20:01:36,238 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 365 of 772 statements. [2025-04-24 20:01:36,238 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 20:01:36,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:01:40,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10981 backedges. 242 proven. 1092 refuted. 0 times theorem prover too weak. 9647 trivial. 0 not checked. [2025-04-24 20:01:40,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:01:40,333 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646899242] [2025-04-24 20:01:40,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646899242] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:01:40,333 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801615676] [2025-04-24 20:01:40,333 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 20:01:40,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:01:40,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:01:40,335 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:01:40,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-24 20:01:40,658 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 772 statements into 2 equivalence classes. [2025-04-24 20:01:40,749 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 365 of 772 statements. [2025-04-24 20:01:40,749 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 20:01:40,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:01:40,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 171 conjuncts are in the unsatisfiable core [2025-04-24 20:01:40,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:01:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 10981 backedges. 242 proven. 8659 refuted. 0 times theorem prover too weak. 2080 trivial. 0 not checked. [2025-04-24 20:01:45,605 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:01:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10981 backedges. 210 proven. 783 refuted. 0 times theorem prover too weak. 9988 trivial. 0 not checked. [2025-04-24 20:01:46,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801615676] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:01:46,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:01:46,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 172, 16] total 189 [2025-04-24 20:01:46,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160550768] [2025-04-24 20:01:46,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:01:46,858 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 189 states [2025-04-24 20:01:46,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:01:46,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2025-04-24 20:01:46,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2706, Invalid=32826, Unknown=0, NotChecked=0, Total=35532 [2025-04-24 20:01:46,862 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:01:46,862 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:01:46,863 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 189 states, 189 states have (on average 4.841269841269841) internal successors, (915), 189 states have internal predecessors, (915), 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 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-04-24 20:01:46,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-04-24 20:02:08,845 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-04-24 20:02:08,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-24 20:02:09,046 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:02:09,046 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 20:02:09,046 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:02:09,047 INFO L139 ounterexampleChecker]: Examining path program with hash 634965689, occurence #9 [2025-04-24 20:02:09,047 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:02:09,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 20:02:09,047 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:02:09,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 20:02:09,047 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:02:09,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 20:02:09,047 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:02:09,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-24 20:02:09,047 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:02:09,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 20:02:09,047 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:02:09,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 783 [2025-04-24 20:02:09,047 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:02:09,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 917 [2025-04-24 20:02:09,058 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:02:09,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1820216973, now seen corresponding path program 1 times [2025-04-24 20:02:09,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 20:02:09,058 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640001505] [2025-04-24 20:02:09,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:02:09,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:02:09,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 918 statements into 1 equivalence classes. [2025-04-24 20:02:09,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 918 of 918 statements. [2025-04-24 20:02:09,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:02:09,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat