./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-counter-determinism.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/popl20-counter-determinism.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 981eae178b9cad0bb64b87dda8360f4f1e2e23d7b9d396f9db2ad5a6977098c4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-44c38e6-m [2025-04-24 20:03:09,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 20:03:09,584 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 20:03:09,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 20:03:09,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 20:03:09,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 20:03:09,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 20:03:09,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 20:03:09,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 20:03:09,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 20:03:09,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 20:03:09,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 20:03:09,608 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 20:03:09,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 20:03:09,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 20:03:09,608 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 20:03:09,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 20:03:09,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 20:03:09,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 20:03:09,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 20:03:09,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 20:03:09,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 20:03:09,609 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 20:03:09,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 20:03:09,609 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 20:03:09,609 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 20:03:09,610 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 20:03:09,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 20:03:09,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 20:03:09,610 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 20:03:09,611 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 -> 981eae178b9cad0bb64b87dda8360f4f1e2e23d7b9d396f9db2ad5a6977098c4 [2025-04-24 20:03:09,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 20:03:09,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 20:03:09,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 20:03:09,808 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 20:03:09,808 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 20:03:09,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2025-04-24 20:03:11,114 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d0f81c376/11402307c75e4404b7a01d0e359d8a7c/FLAGaca6593e4 [2025-04-24 20:03:11,289 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 20:03:11,289 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2025-04-24 20:03:11,318 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d0f81c376/11402307c75e4404b7a01d0e359d8a7c/FLAGaca6593e4 [2025-04-24 20:03:12,114 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d0f81c376/11402307c75e4404b7a01d0e359d8a7c [2025-04-24 20:03:12,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 20:03:12,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 20:03:12,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 20:03:12,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 20:03:12,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 20:03:12,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284b2ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12, skipping insertion in model container [2025-04-24 20:03:12,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,135 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 20:03:12,255 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2218,2231] [2025-04-24 20:03:12,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 20:03:12,264 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 20:03:12,297 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2218,2231] [2025-04-24 20:03:12,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 20:03:12,310 INFO L204 MainTranslator]: Completed translation [2025-04-24 20:03:12,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12 WrapperNode [2025-04-24 20:03:12,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 20:03:12,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 20:03:12,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 20:03:12,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 20:03:12,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,341 INFO L138 Inliner]: procedures = 20, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 88 [2025-04-24 20:03:12,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 20:03:12,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 20:03:12,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 20:03:12,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 20:03:12,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,357 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 20:03:12,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 20:03:12,370 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 20:03:12,370 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 20:03:12,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (1/1) ... [2025-04-24 20:03:12,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 20:03:12,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:12,392 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 20:03:12,393 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 20:03:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 20:03:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 20:03:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 20:03:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 20:03:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 20:03:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-24 20:03:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-24 20:03:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-24 20:03:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-24 20:03:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 20:03:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 20:03:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 20:03:12,411 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 20:03:12,481 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 20:03:12,483 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 20:03:12,645 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 20:03:12,645 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 20:03:12,725 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 20:03:12,725 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-24 20:03:12,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 08:03:12 BoogieIcfgContainer [2025-04-24 20:03:12,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 20:03:12,728 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 20:03:12,728 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 20:03:12,730 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 20:03:12,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 08:03:12" (1/3) ... [2025-04-24 20:03:12,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac8bf6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 08:03:12, skipping insertion in model container [2025-04-24 20:03:12,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 08:03:12" (2/3) ... [2025-04-24 20:03:12,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac8bf6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 08:03:12, skipping insertion in model container [2025-04-24 20:03:12,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 08:03:12" (3/3) ... [2025-04-24 20:03:12,733 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2025-04-24 20:03:12,742 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 20:03:12,744 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-counter-determinism.wvr.c that has 5 procedures, 37 locations, 36 edges, 1 initial locations, 4 loop locations, and 1 error locations. [2025-04-24 20:03:12,745 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 20:03:12,797 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-24 20:03:12,827 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 20:03:12,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 20:03:12,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:12,829 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 20:03:12,830 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 20:03:12,895 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 20:03:12,907 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 20:03:12,913 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;@2ef641f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 20:03:12,914 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-24 20:03:13,279 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 20:03:13,279 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:13,280 INFO L139 ounterexampleChecker]: Examining path program with hash 935265489, occurence #1 [2025-04-24 20:03:13,280 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:13,280 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:13,284 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:13,284 INFO L85 PathProgramCache]: Analyzing trace with hash 853065485, now seen corresponding path program 1 times [2025-04-24 20:03:13,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:13,289 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329921993] [2025-04-24 20:03:13,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:03:13,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:13,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-24 20:03:13,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-24 20:03:13,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:03:13,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:13,566 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 20:03:13,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:13,567 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329921993] [2025-04-24 20:03:13,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329921993] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 20:03:13,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 20:03:13,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-24 20:03:13,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821781463] [2025-04-24 20:03:13,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 20:03:13,571 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-24 20:03:13,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:13,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-24 20:03:13,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-04-24 20:03:13,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:13,587 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:13,588 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 20:03:13,588 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:13,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:13,720 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 20:03:13,721 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 20:03:13,721 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:13,721 INFO L139 ounterexampleChecker]: Examining path program with hash -1979593010, occurence #1 [2025-04-24 20:03:13,721 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:13,721 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:13,721 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:13,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1820313507, now seen corresponding path program 1 times [2025-04-24 20:03:13,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:13,721 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850393283] [2025-04-24 20:03:13,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:03:13,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:13,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-04-24 20:03:13,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-04-24 20:03:13,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:03:13,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:13,859 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 20:03:13,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:13,859 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850393283] [2025-04-24 20:03:13,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850393283] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 20:03:13,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 20:03:13,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-24 20:03:13,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370254413] [2025-04-24 20:03:13,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 20:03:13,860 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-24 20:03:13,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:13,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-24 20:03:13,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-04-24 20:03:13,860 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:13,861 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:13,861 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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 20:03:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:13,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:13,983 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:13,983 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 20:03:13,983 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 20:03:13,983 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:13,983 INFO L139 ounterexampleChecker]: Examining path program with hash -442786214, occurence #1 [2025-04-24 20:03:13,983 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:13,983 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:13,983 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:13,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1397851521, now seen corresponding path program 1 times [2025-04-24 20:03:13,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:13,984 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327115158] [2025-04-24 20:03:13,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:03:13,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:13,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-24 20:03:14,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-24 20:03:14,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:03:14,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:03:14,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:14,136 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327115158] [2025-04-24 20:03:14,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327115158] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:14,136 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364774064] [2025-04-24 20:03:14,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 20:03:14,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:14,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:14,139 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 20:03:14,140 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 20:03:14,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-24 20:03:14,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-24 20:03:14,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:03:14,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:14,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-24 20:03:14,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:03:14,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:03:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 20:03:14,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364774064] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:03:14,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:03:14,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 15 [2025-04-24 20:03:14,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017270937] [2025-04-24 20:03:14,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:03:14,425 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-24 20:03:14,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:14,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-24 20:03:14,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2025-04-24 20:03:14,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:14,427 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:14,427 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.4) internal successors, (96), 15 states have internal predecessors, (96), 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 20:03:14,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:14,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:14,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:14,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:14,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:14,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 20:03:14,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-24 20:03:15,177 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-04-24 20:03:15,178 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 20:03:15,178 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:15,178 INFO L139 ounterexampleChecker]: Examining path program with hash 1770317513, occurence #1 [2025-04-24 20:03:15,178 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:15,178 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:15,178 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:15,178 INFO L85 PathProgramCache]: Analyzing trace with hash 2109653841, now seen corresponding path program 2 times [2025-04-24 20:03:15,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:15,178 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335900967] [2025-04-24 20:03:15,178 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:03:15,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:15,184 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 59 statements into 2 equivalence classes. [2025-04-24 20:03:15,201 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 59 of 59 statements. [2025-04-24 20:03:15,201 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:03:15,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 20:03:15,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:15,314 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335900967] [2025-04-24 20:03:15,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335900967] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:15,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921564679] [2025-04-24 20:03:15,315 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:03:15,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:15,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:15,316 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 20:03:15,318 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 20:03:15,355 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 59 statements into 2 equivalence classes. [2025-04-24 20:03:15,376 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 59 of 59 statements. [2025-04-24 20:03:15,376 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:03:15,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:15,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-24 20:03:15,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:03:15,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:03:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-24 20:03:15,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921564679] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:03:15,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:03:15,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 7] total 22 [2025-04-24 20:03:15,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410353021] [2025-04-24 20:03:15,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:03:15,690 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-24 20:03:15,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:15,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-24 20:03:15,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2025-04-24 20:03:15,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:15,691 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:15,691 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.818181818181818) internal successors, (128), 22 states have internal predecessors, (128), 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 20:03:15,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:15,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:15,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 20:03:15,691 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:16,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:16,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:16,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 20:03:16,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-24 20:03:16,951 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 20:03:17,141 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:17,142 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 20:03:17,142 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:17,142 INFO L139 ounterexampleChecker]: Examining path program with hash -464806921, occurence #1 [2025-04-24 20:03:17,142 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:17,142 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:17,142 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:17,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1530155673, now seen corresponding path program 3 times [2025-04-24 20:03:17,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:17,142 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493030751] [2025-04-24 20:03:17,142 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 20:03:17,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:17,149 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 86 statements into 3 equivalence classes. [2025-04-24 20:03:17,164 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 86 of 86 statements. [2025-04-24 20:03:17,164 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 20:03:17,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:17,325 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-04-24 20:03:17,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:17,325 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493030751] [2025-04-24 20:03:17,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493030751] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:17,326 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157167967] [2025-04-24 20:03:17,326 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 20:03:17,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:17,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:17,328 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 20:03:17,330 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 20:03:17,374 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 86 statements into 3 equivalence classes. [2025-04-24 20:03:17,404 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 86 of 86 statements. [2025-04-24 20:03:17,404 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 20:03:17,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:17,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 20:03:17,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-04-24 20:03:17,578 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:03:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-04-24 20:03:17,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157167967] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:17,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-24 20:03:17,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 10] total 20 [2025-04-24 20:03:17,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401322984] [2025-04-24 20:03:17,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 20:03:17,666 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-24 20:03:17,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:17,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-24 20:03:17,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2025-04-24 20:03:17,666 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:17,666 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:17,666 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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 20:03:17,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:17,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:17,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 20:03:17,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-24 20:03:17,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:17,785 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:17,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:17,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 20:03:17,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-24 20:03:17,786 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:17,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-24 20:03:17,987 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:17,990 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 20:03:17,990 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:17,990 INFO L139 ounterexampleChecker]: Examining path program with hash 1888004148, occurence #1 [2025-04-24 20:03:17,990 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:17,990 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:17,990 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:17,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1968876373, now seen corresponding path program 4 times [2025-04-24 20:03:17,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:17,991 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498405574] [2025-04-24 20:03:17,991 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 20:03:17,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:17,995 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 56 statements into 2 equivalence classes. [2025-04-24 20:03:18,000 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 55 of 56 statements. [2025-04-24 20:03:18,000 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 20:03:18,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-04-24 20:03:18,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:18,061 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498405574] [2025-04-24 20:03:18,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498405574] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:18,061 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2336922] [2025-04-24 20:03:18,061 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 20:03:18,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:18,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:18,063 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 20:03:18,064 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 20:03:18,099 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 56 statements into 2 equivalence classes. [2025-04-24 20:03:18,116 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 55 of 56 statements. [2025-04-24 20:03:18,116 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 20:03:18,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:18,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 20:03:18,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:03:18,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:03:18,323 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-04-24 20:03:18,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2336922] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:03:18,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:03:18,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 15 [2025-04-24 20:03:18,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88029399] [2025-04-24 20:03:18,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:03:18,324 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-24 20:03:18,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:18,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-24 20:03:18,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-04-24 20:03:18,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:18,325 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:18,325 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.933333333333334) internal successors, (104), 15 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 20:03:18,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:18,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:18,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 20:03:18,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-24 20:03:18,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:18,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:19,276 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:19,276 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:19,276 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 20:03:19,276 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-24 20:03:19,276 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:19,276 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:03:19,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-24 20:03:19,476 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-04-24 20:03:19,477 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 20:03:19,477 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:19,477 INFO L139 ounterexampleChecker]: Examining path program with hash 1934478433, occurence #1 [2025-04-24 20:03:19,477 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:19,477 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:19,477 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:19,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1644715873, now seen corresponding path program 5 times [2025-04-24 20:03:19,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:19,477 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389723422] [2025-04-24 20:03:19,477 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 20:03:19,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:19,486 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 110 statements into 6 equivalence classes. [2025-04-24 20:03:19,508 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 110 of 110 statements. [2025-04-24 20:03:19,508 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 20:03:19,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:19,757 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-04-24 20:03:19,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:19,758 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389723422] [2025-04-24 20:03:19,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389723422] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 20:03:19,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 20:03:19,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-24 20:03:19,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624788976] [2025-04-24 20:03:19,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 20:03:19,758 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 20:03:19,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:19,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 20:03:19,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-04-24 20:03:19,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:19,759 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:19,759 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 20:03:19,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:19,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:19,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 20:03:19,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-24 20:03:19,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:19,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:03:19,760 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:19,888 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:19,889 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:19,889 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 20:03:19,889 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-24 20:03:19,889 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:19,889 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:03:19,889 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:19,889 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-24 20:03:19,889 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 20:03:19,890 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:19,890 INFO L139 ounterexampleChecker]: Examining path program with hash -891531968, occurence #1 [2025-04-24 20:03:19,890 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:19,890 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:19,890 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:19,890 INFO L85 PathProgramCache]: Analyzing trace with hash 9879491, now seen corresponding path program 6 times [2025-04-24 20:03:19,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:19,890 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95716392] [2025-04-24 20:03:19,891 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 20:03:19,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:19,897 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 95 statements into 6 equivalence classes. [2025-04-24 20:03:19,941 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 95 of 95 statements. [2025-04-24 20:03:19,942 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-24 20:03:19,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:20,458 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-04-24 20:03:20,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:20,459 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95716392] [2025-04-24 20:03:20,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95716392] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:20,459 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158758769] [2025-04-24 20:03:20,459 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 20:03:20,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:20,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:20,461 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 20:03:20,462 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 20:03:20,503 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 95 statements into 6 equivalence classes. [2025-04-24 20:03:20,530 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 95 of 95 statements. [2025-04-24 20:03:20,530 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-24 20:03:20,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:20,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 79 conjuncts are in the unsatisfiable core [2025-04-24 20:03:20,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:20,774 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-04-24 20:03:20,774 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:03:21,365 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-04-24 20:03:21,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158758769] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:03:21,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:03:21,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 10] total 22 [2025-04-24 20:03:21,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824469324] [2025-04-24 20:03:21,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:03:21,366 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-04-24 20:03:21,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:21,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-04-24 20:03:21,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2025-04-24 20:03:21,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:21,367 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:21,367 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.565217391304348) internal successors, (151), 22 states have internal predecessors, (151), 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 20:03:21,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:21,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:21,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 20:03:21,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-24 20:03:21,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:21,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:03:21,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:21,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:21,550 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:21,550 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:21,550 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-24 20:03:21,550 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-24 20:03:21,550 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:21,550 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:03:21,550 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:21,550 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:21,556 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 20:03:21,750 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:21,751 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 20:03:21,751 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:21,751 INFO L139 ounterexampleChecker]: Examining path program with hash -195995962, occurence #1 [2025-04-24 20:03:21,751 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:21,751 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:21,751 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:21,751 INFO L85 PathProgramCache]: Analyzing trace with hash 572576391, now seen corresponding path program 7 times [2025-04-24 20:03:21,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:21,751 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695534818] [2025-04-24 20:03:21,752 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 20:03:21,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:21,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-04-24 20:03:21,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-04-24 20:03:21,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:03:21,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 35 proven. 88 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-04-24 20:03:21,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:21,945 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695534818] [2025-04-24 20:03:21,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695534818] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:21,945 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794682252] [2025-04-24 20:03:21,945 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 20:03:21,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:21,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:21,946 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 20:03:21,948 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 20:03:21,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-04-24 20:03:22,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-04-24 20:03:22,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:03:22,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:22,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-24 20:03:22,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:22,353 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 1 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:03:22,354 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:03:22,515 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 38 proven. 62 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-04-24 20:03:22,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794682252] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:03:22,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:03:22,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 17, 8] total 25 [2025-04-24 20:03:22,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704215239] [2025-04-24 20:03:22,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:03:22,516 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-24 20:03:22,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:22,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-24 20:03:22,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2025-04-24 20:03:22,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:22,517 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:22,517 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.68) internal successors, (167), 25 states have internal predecessors, (167), 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 20:03:22,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:22,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:22,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-24 20:03:22,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-24 20:03:22,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:22,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:03:22,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:22,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:22,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:23,607 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:23,607 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:23,607 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:23,607 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:03:23,607 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:23,607 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 20:03:23,607 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:23,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:03:23,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:23,614 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 20:03:23,808 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,SelfDestructingSolverStorable8 [2025-04-24 20:03:23,808 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 20:03:23,808 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:23,808 INFO L139 ounterexampleChecker]: Examining path program with hash -1522570630, occurence #1 [2025-04-24 20:03:23,809 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:23,809 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:23,809 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:23,809 INFO L85 PathProgramCache]: Analyzing trace with hash -364304525, now seen corresponding path program 8 times [2025-04-24 20:03:23,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:23,809 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904907462] [2025-04-24 20:03:23,809 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:03:23,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:23,815 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 158 statements into 2 equivalence classes. [2025-04-24 20:03:23,833 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 158 of 158 statements. [2025-04-24 20:03:23,833 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:03:23,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 40 proven. 175 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-04-24 20:03:24,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:24,104 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904907462] [2025-04-24 20:03:24,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904907462] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:24,104 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830865103] [2025-04-24 20:03:24,104 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:03:24,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:24,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:24,106 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 20:03:24,107 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 20:03:24,151 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 158 statements into 2 equivalence classes. [2025-04-24 20:03:24,192 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 158 of 158 statements. [2025-04-24 20:03:24,192 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:03:24,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:24,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-24 20:03:24,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 1 proven. 413 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:03:24,750 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:03:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 169 proven. 74 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2025-04-24 20:03:24,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830865103] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:03:24,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:03:24,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 27, 9] total 40 [2025-04-24 20:03:24,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281313239] [2025-04-24 20:03:24,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:03:24,962 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-04-24 20:03:24,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:24,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-04-24 20:03:24,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1376, Unknown=0, NotChecked=0, Total=1560 [2025-04-24 20:03:24,963 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:24,963 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:24,963 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 6.85) internal successors, (274), 40 states have internal predecessors, (274), 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 20:03:24,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:24,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:24,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:24,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:03:24,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:24,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 20:03:24,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:24,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:03:24,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:24,963 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:27,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:27,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:27,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:27,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:03:27,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:27,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 20:03:27,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:27,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:03:27,577 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:27,578 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-04-24 20:03:27,584 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 20:03:27,778 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:27,778 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 20:03:27,778 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:27,779 INFO L139 ounterexampleChecker]: Examining path program with hash -1277828928, occurence #1 [2025-04-24 20:03:27,779 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:27,779 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:27,779 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:27,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1644405955, now seen corresponding path program 9 times [2025-04-24 20:03:27,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:27,779 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571834505] [2025-04-24 20:03:27,779 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 20:03:27,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:27,787 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 179 statements into 10 equivalence classes. [2025-04-24 20:03:27,855 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 179 of 179 statements. [2025-04-24 20:03:27,856 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-04-24 20:03:27,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2025-04-24 20:03:29,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:29,031 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571834505] [2025-04-24 20:03:29,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571834505] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:29,032 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893139282] [2025-04-24 20:03:29,032 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 20:03:29,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:29,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:29,034 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 20:03:29,034 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 20:03:29,080 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 179 statements into 10 equivalence classes. [2025-04-24 20:03:29,124 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 179 of 179 statements. [2025-04-24 20:03:29,124 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-04-24 20:03:29,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:29,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 213 conjuncts are in the unsatisfiable core [2025-04-24 20:03:29,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-04-24 20:03:29,523 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:03:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2025-04-24 20:03:29,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893139282] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:03:29,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:03:29,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 5] total 28 [2025-04-24 20:03:29,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205206003] [2025-04-24 20:03:29,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:03:29,701 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-04-24 20:03:29,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:29,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-04-24 20:03:29,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=654, Unknown=0, NotChecked=0, Total=812 [2025-04-24 20:03:29,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:29,701 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:29,702 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.862068965517241) internal successors, (199), 28 states have internal predecessors, (199), 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 20:03:29,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:29,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:29,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:29,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:03:29,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:29,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 20:03:29,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:29,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:03:29,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:29,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-04-24 20:03:29,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:30,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:30,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:30,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:30,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:03:30,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:30,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-24 20:03:30,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:30,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:03:30,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:30,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:03:30,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 20:03:30,401 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 20:03:30,595 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:30,595 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 20:03:30,596 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:30,596 INFO L139 ounterexampleChecker]: Examining path program with hash -1647630183, occurence #1 [2025-04-24 20:03:30,596 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:30,596 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:30,596 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:30,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2043791097, now seen corresponding path program 10 times [2025-04-24 20:03:30,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:30,596 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459947833] [2025-04-24 20:03:30,597 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 20:03:30,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:30,608 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 269 statements into 2 equivalence classes. [2025-04-24 20:03:30,675 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 268 of 269 statements. [2025-04-24 20:03:30,675 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 20:03:30,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 504 proven. 162 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2025-04-24 20:03:31,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:31,646 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459947833] [2025-04-24 20:03:31,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459947833] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:31,646 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490899374] [2025-04-24 20:03:31,646 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 20:03:31,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:31,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:31,648 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 20:03:31,649 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 20:03:31,714 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 269 statements into 2 equivalence classes. [2025-04-24 20:03:31,772 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 268 of 269 statements. [2025-04-24 20:03:31,772 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 20:03:31,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:31,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-04-24 20:03:31,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:32,803 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 12 proven. 843 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-04-24 20:03:32,804 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:03:33,096 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 12 proven. 154 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2025-04-24 20:03:33,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490899374] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:03:33,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:03:33,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 41, 7] total 62 [2025-04-24 20:03:33,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26585049] [2025-04-24 20:03:33,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:03:33,097 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-04-24 20:03:33,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:33,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-04-24 20:03:33,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=3425, Unknown=0, NotChecked=0, Total=3782 [2025-04-24 20:03:33,098 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:33,098 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:33,100 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.241935483870968) internal successors, (387), 62 states have internal predecessors, (387), 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 20:03:33,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:33,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:33,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:33,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:03:33,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:33,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-24 20:03:33,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:33,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:03:33,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:33,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:03:33,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 20:03:33,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:42,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:42,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:42,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:42,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:03:42,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:42,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-24 20:03:42,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:42,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:03:42,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:42,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:03:42,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 20:03:42,151 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2025-04-24 20:03:42,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-24 20:03:42,351 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,SelfDestructingSolverStorable11 [2025-04-24 20:03:42,352 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 20:03:42,352 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:42,352 INFO L139 ounterexampleChecker]: Examining path program with hash 1846754035, occurence #1 [2025-04-24 20:03:42,352 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:42,352 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:42,352 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:42,353 INFO L85 PathProgramCache]: Analyzing trace with hash -233756563, now seen corresponding path program 11 times [2025-04-24 20:03:42,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:42,353 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9402327] [2025-04-24 20:03:42,353 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 20:03:42,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:42,365 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 407 statements into 27 equivalence classes. [2025-04-24 20:03:42,453 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) and asserted 407 of 407 statements. [2025-04-24 20:03:42,453 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2025-04-24 20:03:42,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 499 proven. 1747 refuted. 0 times theorem prover too weak. 1914 trivial. 0 not checked. [2025-04-24 20:03:45,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:45,405 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9402327] [2025-04-24 20:03:45,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9402327] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:45,405 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378043524] [2025-04-24 20:03:45,405 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 20:03:45,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:45,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:45,407 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 20:03:45,409 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 20:03:45,477 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 407 statements into 27 equivalence classes. [2025-04-24 20:03:45,582 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) and asserted 407 of 407 statements. [2025-04-24 20:03:45,582 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2025-04-24 20:03:45,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:45,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 126 conjuncts are in the unsatisfiable core [2025-04-24 20:03:45,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 499 proven. 1299 refuted. 0 times theorem prover too weak. 2362 trivial. 0 not checked. [2025-04-24 20:03:45,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:03:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 499 proven. 1299 refuted. 0 times theorem prover too weak. 2362 trivial. 0 not checked. [2025-04-24 20:03:46,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378043524] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:03:46,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:03:46,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 6 [2025-04-24 20:03:46,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609133638] [2025-04-24 20:03:46,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:03:46,340 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-24 20:03:46,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:46,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-24 20:03:46,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-04-24 20:03:46,340 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:46,340 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:46,340 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2025-04-24 20:03:46,340 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:46,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:46,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:46,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:46,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:03:46,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:46,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:03:46,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:46,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:03:46,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:46,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:03:46,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 20:03:46,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2025-04-24 20:03:46,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:46,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-04-24 20:03:46,959 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:46,959 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 20:03:46,959 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:46,960 INFO L139 ounterexampleChecker]: Examining path program with hash 1753807708, occurence #1 [2025-04-24 20:03:46,960 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:46,960 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:46,960 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:46,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1268862615, now seen corresponding path program 12 times [2025-04-24 20:03:46,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:46,961 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212111339] [2025-04-24 20:03:46,961 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 20:03:46,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:46,972 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 461 statements into 28 equivalence classes. [2025-04-24 20:03:47,094 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) and asserted 461 of 461 statements. [2025-04-24 20:03:47,094 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2025-04-24 20:03:47,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 1791 proven. 326 refuted. 0 times theorem prover too weak. 2615 trivial. 0 not checked. [2025-04-24 20:03:48,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:03:48,581 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212111339] [2025-04-24 20:03:48,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212111339] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:03:48,581 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257529488] [2025-04-24 20:03:48,581 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 20:03:48,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:03:48,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:03:48,583 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 20:03:48,585 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 20:03:48,656 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 461 statements into 28 equivalence classes. [2025-04-24 20:03:48,781 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) and asserted 461 of 461 statements. [2025-04-24 20:03:48,781 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2025-04-24 20:03:48,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:03:48,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-04-24 20:03:48,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:03:50,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 8 proven. 4724 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:03:50,557 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:03:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 1873 proven. 329 refuted. 0 times theorem prover too weak. 2530 trivial. 0 not checked. [2025-04-24 20:03:51,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257529488] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:03:51,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:03:51,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 74, 15] total 94 [2025-04-24 20:03:51,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60681072] [2025-04-24 20:03:51,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:03:51,087 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2025-04-24 20:03:51,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:03:51,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2025-04-24 20:03:51,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=954, Invalid=7788, Unknown=0, NotChecked=0, Total=8742 [2025-04-24 20:03:51,089 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:51,089 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:03:51,090 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 6.861702127659575) internal successors, (645), 94 states have internal predecessors, (645), 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 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:51,090 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:03:59,056 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:03:59,057 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2025-04-24 20:03:59,064 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 20:03:59,257 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,SelfDestructingSolverStorable13 [2025-04-24 20:03:59,258 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 20:03:59,258 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:03:59,258 INFO L139 ounterexampleChecker]: Examining path program with hash -959014239, occurence #1 [2025-04-24 20:03:59,258 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:03:59,258 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:03:59,258 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:03:59,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1975177797, now seen corresponding path program 13 times [2025-04-24 20:03:59,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:03:59,258 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330745196] [2025-04-24 20:03:59,259 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 20:03:59,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:03:59,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 323 statements into 1 equivalence classes. [2025-04-24 20:03:59,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 323 of 323 statements. [2025-04-24 20:03:59,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:03:59,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:04:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3361 backedges. 0 proven. 520 refuted. 0 times theorem prover too weak. 2841 trivial. 0 not checked. [2025-04-24 20:04:02,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:04:02,923 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330745196] [2025-04-24 20:04:02,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330745196] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:04:02,923 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407620366] [2025-04-24 20:04:02,923 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 20:04:02,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:04:02,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:04:02,926 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 20:04:02,927 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 20:04:02,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 323 statements into 1 equivalence classes. [2025-04-24 20:04:03,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 323 of 323 statements. [2025-04-24 20:04:03,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:04:03,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:04:03,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 307 conjuncts are in the unsatisfiable core [2025-04-24 20:04:03,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:04:03,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3361 backedges. 3 proven. 344 refuted. 0 times theorem prover too weak. 3014 trivial. 0 not checked. [2025-04-24 20:04:03,696 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:04:05,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3361 backedges. 0 proven. 347 refuted. 0 times theorem prover too weak. 3014 trivial. 0 not checked. [2025-04-24 20:04:05,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407620366] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:04:05,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:04:05,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2025-04-24 20:04:05,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354083112] [2025-04-24 20:04:05,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:04:05,136 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-04-24 20:04:05,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:04:05,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-04-24 20:04:05,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=523, Unknown=0, NotChecked=0, Total=650 [2025-04-24 20:04:05,136 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:04:05,136 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:04:05,136 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.5) internal successors, (169), 25 states have internal predecessors, (169), 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 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2025-04-24 20:04:05,137 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:06,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2025-04-24 20:04:06,364 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:04:06,370 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 20:04:06,568 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,SelfDestructingSolverStorable14 [2025-04-24 20:04:06,568 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 20:04:06,568 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:04:06,568 INFO L139 ounterexampleChecker]: Examining path program with hash -689168580, occurence #1 [2025-04-24 20:04:06,568 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:04:06,568 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:04:06,569 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:04:06,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1308601251, now seen corresponding path program 14 times [2025-04-24 20:04:06,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:04:06,569 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413112997] [2025-04-24 20:04:06,569 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:04:06,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:04:06,579 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 422 statements into 2 equivalence classes. [2025-04-24 20:04:06,629 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 422 of 422 statements. [2025-04-24 20:04:06,630 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:04:06,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:04:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 1408 proven. 655 refuted. 0 times theorem prover too weak. 2752 trivial. 0 not checked. [2025-04-24 20:04:07,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:04:07,768 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413112997] [2025-04-24 20:04:07,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413112997] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:04:07,768 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897855853] [2025-04-24 20:04:07,768 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:04:07,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:04:07,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:04:07,770 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 20:04:07,770 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 20:04:07,832 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 422 statements into 2 equivalence classes. [2025-04-24 20:04:07,907 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 422 of 422 statements. [2025-04-24 20:04:07,907 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:04:07,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:04:07,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-04-24 20:04:07,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:04:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 2 proven. 4813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:04:09,489 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:04:09,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 1466 proven. 334 refuted. 0 times theorem prover too weak. 3015 trivial. 0 not checked. [2025-04-24 20:04:09,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897855853] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:04:09,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:04:09,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 69, 14] total 88 [2025-04-24 20:04:09,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836966629] [2025-04-24 20:04:09,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:04:09,896 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2025-04-24 20:04:09,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:04:09,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2025-04-24 20:04:09,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=6930, Unknown=0, NotChecked=0, Total=7656 [2025-04-24 20:04:09,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:04:09,900 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:04:09,900 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 6.875) internal successors, (605), 88 states have internal predecessors, (605), 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 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:04:09,900 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:04:15,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:15,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:04:15,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:04:15,925 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 20:04:16,119 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-04-24 20:04:16,120 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 20:04:16,120 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:04:16,120 INFO L139 ounterexampleChecker]: Examining path program with hash -713824313, occurence #1 [2025-04-24 20:04:16,120 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:04:16,120 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:04:16,120 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:04:16,121 INFO L85 PathProgramCache]: Analyzing trace with hash -478283611, now seen corresponding path program 15 times [2025-04-24 20:04:16,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:04:16,121 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652524931] [2025-04-24 20:04:16,121 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 20:04:16,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:04:16,132 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 503 statements into 32 equivalence classes. [2025-04-24 20:04:16,289 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) and asserted 503 of 503 statements. [2025-04-24 20:04:16,289 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2025-04-24 20:04:16,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:04:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5896 backedges. 2411 proven. 391 refuted. 0 times theorem prover too weak. 3094 trivial. 0 not checked. [2025-04-24 20:04:18,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:04:18,018 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652524931] [2025-04-24 20:04:18,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652524931] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:04:18,018 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91379756] [2025-04-24 20:04:18,018 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 20:04:18,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:04:18,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:04:18,020 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 20:04:18,021 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 20:04:18,084 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 503 statements into 32 equivalence classes. [2025-04-24 20:04:18,237 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) and asserted 503 of 503 statements. [2025-04-24 20:04:18,238 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2025-04-24 20:04:18,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:04:18,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 80 conjuncts are in the unsatisfiable core [2025-04-24 20:04:18,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:04:20,192 INFO L134 CoverageAnalysis]: Checked inductivity of 5896 backedges. 2 proven. 5894 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:04:20,192 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:04:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5896 backedges. 2174 proven. 420 refuted. 0 times theorem prover too weak. 3302 trivial. 0 not checked. [2025-04-24 20:04:20,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91379756] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:04:20,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:04:20,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 81, 18] total 106 [2025-04-24 20:04:20,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666723899] [2025-04-24 20:04:20,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:04:20,821 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2025-04-24 20:04:20,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:04:20,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2025-04-24 20:04:20,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=677, Invalid=10453, Unknown=0, NotChecked=0, Total=11130 [2025-04-24 20:04:20,825 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:04:20,825 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:04:20,825 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 6.990566037735849) internal successors, (741), 106 states have internal predecessors, (741), 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 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:04:20,825 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:20,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:04:20,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:04:20,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:04:20,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:04:36,747 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:04:36,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:04:36,760 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 20:04:36,948 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-04-24 20:04:36,949 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 20:04:36,949 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:04:36,949 INFO L139 ounterexampleChecker]: Examining path program with hash 1175894714, occurence #1 [2025-04-24 20:04:36,949 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:04:36,949 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:04:36,950 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:04:36,950 INFO L85 PathProgramCache]: Analyzing trace with hash -806502795, now seen corresponding path program 16 times [2025-04-24 20:04:36,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:04:36,950 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957121115] [2025-04-24 20:04:36,950 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 20:04:36,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:04:36,962 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 551 statements into 2 equivalence classes. [2025-04-24 20:04:37,056 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 550 of 551 statements. [2025-04-24 20:04:37,056 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 20:04:37,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:04:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 6483 backedges. 80 proven. 2826 refuted. 0 times theorem prover too weak. 3577 trivial. 0 not checked. [2025-04-24 20:04:40,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:04:40,984 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957121115] [2025-04-24 20:04:40,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957121115] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:04:40,984 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656866352] [2025-04-24 20:04:40,984 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 20:04:40,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:04:40,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:04:40,986 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:04:40,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-24 20:04:41,065 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 551 statements into 2 equivalence classes. [2025-04-24 20:04:41,168 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 550 of 551 statements. [2025-04-24 20:04:41,168 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 20:04:41,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:04:41,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 1458 conjuncts, 88 conjuncts are in the unsatisfiable core [2025-04-24 20:04:41,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:04:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6483 backedges. 22 proven. 6389 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-04-24 20:04:44,053 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:04:44,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6483 backedges. 22 proven. 794 refuted. 0 times theorem prover too weak. 5667 trivial. 0 not checked. [2025-04-24 20:04:44,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656866352] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:04:44,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:04:44,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 89, 8] total 126 [2025-04-24 20:04:44,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821195420] [2025-04-24 20:04:44,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:04:44,620 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2025-04-24 20:04:44,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:04:44,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2025-04-24 20:04:44,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=689, Invalid=15061, Unknown=0, NotChecked=0, Total=15750 [2025-04-24 20:04:44,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:04:44,624 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:04:44,625 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 5.896825396825397) internal successors, (743), 126 states have internal predecessors, (743), 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 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:04:44,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:05:09,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:09,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:05:09,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 511 states. [2025-04-24 20:05:09,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-04-24 20:05:09,826 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-24 20:05:09,826 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 20:05:09,826 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:05:09,827 INFO L139 ounterexampleChecker]: Examining path program with hash -689168580, occurence #2 [2025-04-24 20:05:09,827 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:05:09,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 20:05:09,834 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:05:09,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 20:05:09,834 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:05:09,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 20:05:09,834 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:05:09,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 20:05:09,834 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:05:09,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 783 [2025-04-24 20:05:09,835 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:09,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 786 [2025-04-24 20:05:09,835 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:09,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 789 [2025-04-24 20:05:09,835 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:09,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 792 [2025-04-24 20:05:09,835 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:09,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 795 [2025-04-24 20:05:09,835 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:09,835 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 797 [2025-04-24 20:05:09,835 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:05:09,835 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:05:09,835 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:05:09,836 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:05:09,836 INFO L85 PathProgramCache]: Analyzing trace with hash -902015443, now seen corresponding path program 17 times [2025-04-24 20:05:09,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:05:09,836 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646986740] [2025-04-24 20:05:09,836 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 20:05:09,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:05:09,852 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 800 statements into 55 equivalence classes. [2025-04-24 20:05:10,061 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 55 check-sat command(s) and asserted 800 of 800 statements. [2025-04-24 20:05:10,062 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 55 check-sat command(s) [2025-04-24 20:05:10,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:05:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 17986 backedges. 6829 proven. 359 refuted. 0 times theorem prover too weak. 10798 trivial. 0 not checked. [2025-04-24 20:05:15,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:05:15,621 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646986740] [2025-04-24 20:05:15,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646986740] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:05:15,621 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012946748] [2025-04-24 20:05:15,621 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 20:05:15,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:05:15,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:05:15,623 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:05:15,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-24 20:05:15,736 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 800 statements into 55 equivalence classes. [2025-04-24 20:05:16,010 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 55 check-sat command(s) and asserted 800 of 800 statements. [2025-04-24 20:05:16,010 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 55 check-sat command(s) [2025-04-24 20:05:16,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:05:16,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 2106 conjuncts, 130 conjuncts are in the unsatisfiable core [2025-04-24 20:05:16,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:05:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 17986 backedges. 2 proven. 17984 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:05:20,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:05:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 17986 backedges. 6829 proven. 359 refuted. 0 times theorem prover too weak. 10798 trivial. 0 not checked. [2025-04-24 20:05:21,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012946748] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:05:21,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:05:21,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 131, 24] total 161 [2025-04-24 20:05:21,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983525965] [2025-04-24 20:05:21,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:05:21,541 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2025-04-24 20:05:21,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:05:21,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2025-04-24 20:05:21,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1862, Invalid=23898, Unknown=0, NotChecked=0, Total=25760 [2025-04-24 20:05:21,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:05:21,547 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:05:21,547 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 6.565217391304348) internal successors, (1057), 161 states have internal predecessors, (1057), 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 20:05:21,547 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:21,547 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:21,547 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 511 states. [2025-04-24 20:05:21,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:05:40,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 511 states. [2025-04-24 20:05:40,547 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-04-24 20:05:40,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-04-24 20:05:40,750 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:05:40,750 INFO L403 AbstractCegarLoop]: === Iteration 20 === 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 20:05:40,750 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:05:40,751 INFO L139 ounterexampleChecker]: Examining path program with hash -689168580, occurence #3 [2025-04-24 20:05:40,751 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:05:40,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 20:05:40,751 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:05:40,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 20:05:40,751 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:05:40,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 20:05:40,751 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:05:40,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 20:05:40,751 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:05:40,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 816 [2025-04-24 20:05:40,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:40,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 819 [2025-04-24 20:05:40,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:40,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 822 [2025-04-24 20:05:40,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:40,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 825 [2025-04-24 20:05:40,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:40,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 828 [2025-04-24 20:05:40,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:40,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 831 [2025-04-24 20:05:40,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:40,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 834 [2025-04-24 20:05:40,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:40,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 837 [2025-04-24 20:05:40,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:40,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 840 [2025-04-24 20:05:40,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:40,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 843 [2025-04-24 20:05:40,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:05:40,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 845 [2025-04-24 20:05:40,752 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:05:40,752 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:05:40,753 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:05:40,753 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:05:40,753 INFO L85 PathProgramCache]: Analyzing trace with hash 499912943, now seen corresponding path program 18 times [2025-04-24 20:05:40,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:05:40,753 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289531929] [2025-04-24 20:05:40,753 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 20:05:40,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:05:40,770 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 848 statements into 57 equivalence classes. [2025-04-24 20:05:41,265 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 57 check-sat command(s) and asserted 848 of 848 statements. [2025-04-24 20:05:41,266 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 57 check-sat command(s) [2025-04-24 20:05:41,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:05:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 19498 backedges. 7232 proven. 1471 refuted. 0 times theorem prover too weak. 10795 trivial. 0 not checked. [2025-04-24 20:05:47,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:05:47,659 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289531929] [2025-04-24 20:05:47,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289531929] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:05:47,659 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717732355] [2025-04-24 20:05:47,659 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 20:05:47,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:05:47,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:05:47,660 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:05:47,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-24 20:05:47,754 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 848 statements into 57 equivalence classes. [2025-04-24 20:05:48,127 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 57 check-sat command(s) and asserted 848 of 848 statements. [2025-04-24 20:05:48,127 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 57 check-sat command(s) [2025-04-24 20:05:48,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:05:48,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 140 conjuncts are in the unsatisfiable core [2025-04-24 20:05:48,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:05:53,401 INFO L134 CoverageAnalysis]: Checked inductivity of 19498 backedges. 2 proven. 19496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:05:53,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:05:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 19498 backedges. 7374 proven. 814 refuted. 0 times theorem prover too weak. 11310 trivial. 0 not checked. [2025-04-24 20:05:54,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717732355] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:05:54,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:05:54,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 141, 30] total 171 [2025-04-24 20:05:54,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396990300] [2025-04-24 20:05:54,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:05:54,582 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 171 states [2025-04-24 20:05:54,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:05:54,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2025-04-24 20:05:54,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1388, Invalid=27682, Unknown=0, NotChecked=0, Total=29070 [2025-04-24 20:05:54,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:05:54,585 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:05:54,585 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 171 states, 171 states have (on average 6.333333333333333) internal successors, (1083), 171 states have internal predecessors, (1083), 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 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:05:54,585 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:05:54,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 511 states. [2025-04-24 20:05:54,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2025-04-24 20:05:54,586 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:06:14,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:06:14,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-04-24 20:06:14,426 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:06:14,426 INFO L403 AbstractCegarLoop]: === Iteration 21 === 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 20:06:14,426 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:06:14,426 INFO L139 ounterexampleChecker]: Examining path program with hash -343883669, occurence #1 [2025-04-24 20:06:14,426 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:06:14,426 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:06:14,427 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:06:14,427 INFO L85 PathProgramCache]: Analyzing trace with hash 382412833, now seen corresponding path program 19 times [2025-04-24 20:06:14,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:06:14,427 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269573622] [2025-04-24 20:06:14,427 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 20:06:14,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:06:14,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 905 statements into 1 equivalence classes. [2025-04-24 20:06:14,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 905 of 905 statements. [2025-04-24 20:06:14,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:06:14,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:06:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 21114 backedges. 8832 proven. 960 refuted. 0 times theorem prover too weak. 11322 trivial. 0 not checked. [2025-04-24 20:06:22,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:06:22,139 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269573622] [2025-04-24 20:06:22,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269573622] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:06:22,139 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066207546] [2025-04-24 20:06:22,139 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 20:06:22,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:06:22,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:06:22,141 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:06:22,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-24 20:06:22,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 905 statements into 1 equivalence classes. [2025-04-24 20:06:22,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 905 of 905 statements. [2025-04-24 20:06:22,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:06:22,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:06:22,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 2370 conjuncts, 149 conjuncts are in the unsatisfiable core [2025-04-24 20:06:22,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:06:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 21114 backedges. 3 proven. 21111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:06:28,251 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:06:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 21114 backedges. 8999 proven. 266 refuted. 0 times theorem prover too weak. 11849 trivial. 0 not checked. [2025-04-24 20:06:29,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066207546] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:06:29,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:06:29,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 150, 32] total 185 [2025-04-24 20:06:29,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010184066] [2025-04-24 20:06:29,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:06:29,451 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2025-04-24 20:06:29,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:06:29,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2025-04-24 20:06:29,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1890, Invalid=32150, Unknown=0, NotChecked=0, Total=34040 [2025-04-24 20:06:29,454 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:06:29,454 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:06:29,455 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 185 states have (on average 6.437837837837838) internal successors, (1191), 185 states have internal predecessors, (1191), 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 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:06:29,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:06:52,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:06:52,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:06:52,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:06:52,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:06:52,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:06:52,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:06:52,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:06:52,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:06:52,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:06:52,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:06:52,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:06:52,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:06:52,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:06:52,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:06:52,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:06:52,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:06:52,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:06:52,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:06:52,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:06:52,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:06:52,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:06:52,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-24 20:06:52,621 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:06:52,621 INFO L403 AbstractCegarLoop]: === Iteration 22 === 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 20:06:52,621 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:06:52,622 INFO L139 ounterexampleChecker]: Examining path program with hash 2091678570, occurence #1 [2025-04-24 20:06:52,622 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:06:52,622 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:06:52,622 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:06:52,623 INFO L85 PathProgramCache]: Analyzing trace with hash -918396331, now seen corresponding path program 20 times [2025-04-24 20:06:52,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:06:52,623 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136845579] [2025-04-24 20:06:52,623 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:06:52,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:06:52,639 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 899 statements into 2 equivalence classes. [2025-04-24 20:06:53,076 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 899 of 899 statements. [2025-04-24 20:06:53,077 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:06:53,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:07:52,667 INFO L134 CoverageAnalysis]: Checked inductivity of 21599 backedges. 0 proven. 9223 refuted. 0 times theorem prover too weak. 12376 trivial. 0 not checked. [2025-04-24 20:07:52,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:07:52,667 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136845579] [2025-04-24 20:07:52,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136845579] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:07:52,667 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773525884] [2025-04-24 20:07:52,667 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:07:52,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:07:52,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:07:52,669 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:07:52,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-24 20:07:52,767 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 899 statements into 2 equivalence classes. [2025-04-24 20:07:52,953 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 899 of 899 statements. [2025-04-24 20:07:52,953 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:07:52,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:07:52,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 2356 conjuncts, 881 conjuncts are in the unsatisfiable core [2025-04-24 20:07:52,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:07:55,111 INFO L134 CoverageAnalysis]: Checked inductivity of 21599 backedges. 467 proven. 8936 refuted. 0 times theorem prover too weak. 12196 trivial. 0 not checked. [2025-04-24 20:07:55,112 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:08:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 21599 backedges. 402 proven. 9001 refuted. 0 times theorem prover too weak. 12196 trivial. 0 not checked. [2025-04-24 20:08:00,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773525884] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:08:00,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:08:00,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 36, 37] total 101 [2025-04-24 20:08:00,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211715686] [2025-04-24 20:08:00,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:08:00,413 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2025-04-24 20:08:00,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:08:00,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2025-04-24 20:08:00,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2219, Invalid=8083, Unknown=0, NotChecked=0, Total=10302 [2025-04-24 20:08:00,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:08:00,415 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:08:00,415 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 6.0588235294117645) internal successors, (618), 101 states have internal predecessors, (618), 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 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:08:00,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:08:01,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:08:01,852 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:08:01,852 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:08:01,852 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:08:01,852 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:08:01,852 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:08:01,852 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:08:01,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-04-24 20:08:02,052 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-04-24 20:08:02,052 INFO L403 AbstractCegarLoop]: === Iteration 23 === 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 20:08:02,053 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:08:02,053 INFO L139 ounterexampleChecker]: Examining path program with hash -1644910467, occurence #1 [2025-04-24 20:08:02,053 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:08:02,053 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:08:02,054 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:08:02,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1764267293, now seen corresponding path program 21 times [2025-04-24 20:08:02,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:08:02,054 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129978876] [2025-04-24 20:08:02,054 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 20:08:02,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:08:02,069 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 785 statements into 50 equivalence classes. [2025-04-24 20:08:02,623 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 50 check-sat command(s) and asserted 785 of 785 statements. [2025-04-24 20:08:02,624 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 50 check-sat command(s) [2025-04-24 20:08:02,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:08:08,211 INFO L134 CoverageAnalysis]: Checked inductivity of 15193 backedges. 2104 proven. 1252 refuted. 0 times theorem prover too weak. 11837 trivial. 0 not checked. [2025-04-24 20:08:08,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:08:08,211 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129978876] [2025-04-24 20:08:08,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129978876] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:08:08,211 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263693822] [2025-04-24 20:08:08,211 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 20:08:08,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:08:08,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:08:08,213 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:08:08,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-24 20:08:08,301 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 785 statements into 50 equivalence classes. [2025-04-24 20:08:08,707 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 50 check-sat command(s) and asserted 785 of 785 statements. [2025-04-24 20:08:08,707 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 50 check-sat command(s) [2025-04-24 20:08:08,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:08:08,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 2070 conjuncts, 129 conjuncts are in the unsatisfiable core [2025-04-24 20:08:08,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:08:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 15193 backedges. 680 proven. 14513 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:08:13,361 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:08:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 15193 backedges. 2135 proven. 682 refuted. 0 times theorem prover too weak. 12376 trivial. 0 not checked. [2025-04-24 20:08:14,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263693822] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:08:14,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:08:14,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 130, 35] total 168 [2025-04-24 20:08:14,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335822236] [2025-04-24 20:08:14,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:08:14,312 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 168 states [2025-04-24 20:08:14,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:08:14,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2025-04-24 20:08:14,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1719, Invalid=26337, Unknown=0, NotChecked=0, Total=28056 [2025-04-24 20:08:14,315 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:08:14,315 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:08:14,315 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 168 states, 168 states have (on average 6.273809523809524) internal successors, (1054), 168 states have internal predecessors, (1054), 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 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:08:14,315 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:08:14,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:08:14,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:08:14,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:08:14,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:08:14,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:08:35,835 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:08:35,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:08:35,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:08:35,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:08:35,836 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2025-04-24 20:08:35,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-24 20:08:36,036 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:08:36,036 INFO L403 AbstractCegarLoop]: === Iteration 24 === 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 20:08:36,036 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:08:36,037 INFO L139 ounterexampleChecker]: Examining path program with hash -1644910467, occurence #2 [2025-04-24 20:08:36,037 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:08:36,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 20:08:36,037 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:08:36,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 20:08:36,037 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:08:36,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 20:08:36,037 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:08:36,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 20:08:36,037 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:08:36,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 756 [2025-04-24 20:08:36,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 759 [2025-04-24 20:08:36,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 762 [2025-04-24 20:08:36,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 765 [2025-04-24 20:08:36,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 768 [2025-04-24 20:08:36,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 771 [2025-04-24 20:08:36,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 774 [2025-04-24 20:08:36,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 777 [2025-04-24 20:08:36,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 780 [2025-04-24 20:08:36,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 783 [2025-04-24 20:08:36,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 786 [2025-04-24 20:08:36,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 789 [2025-04-24 20:08:36,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 792 [2025-04-24 20:08:36,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 795 [2025-04-24 20:08:36,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 798 [2025-04-24 20:08:36,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:08:36,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 800 [2025-04-24 20:08:36,038 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:08:36,038 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:08:36,038 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:08:36,039 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:08:36,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1042516591, now seen corresponding path program 22 times [2025-04-24 20:08:36,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:08:36,039 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19972550] [2025-04-24 20:08:36,039 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 20:08:36,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:08:36,054 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 803 statements into 2 equivalence classes. [2025-04-24 20:08:36,394 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 803 of 803 statements. [2025-04-24 20:08:36,394 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 20:08:36,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:09:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 15867 backedges. 287 proven. 2742 refuted. 0 times theorem prover too weak. 12838 trivial. 0 not checked. [2025-04-24 20:09:19,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:09:19,996 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19972550] [2025-04-24 20:09:19,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19972550] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:09:19,996 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215573939] [2025-04-24 20:09:19,996 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 20:09:19,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:09:19,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:09:19,998 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:09:19,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-24 20:09:20,087 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 803 statements into 2 equivalence classes. [2025-04-24 20:09:20,259 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 803 of 803 statements. [2025-04-24 20:09:20,259 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 20:09:20,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:09:20,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 2116 conjuncts, 787 conjuncts are in the unsatisfiable core [2025-04-24 20:09:20,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:09:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 15867 backedges. 3 proven. 2937 refuted. 0 times theorem prover too weak. 12927 trivial. 0 not checked. [2025-04-24 20:09:22,493 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:09:27,646 INFO L134 CoverageAnalysis]: Checked inductivity of 15867 backedges. 0 proven. 2940 refuted. 0 times theorem prover too weak. 12927 trivial. 0 not checked. [2025-04-24 20:09:27,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215573939] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:09:27,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:09:27,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 52, 52] total 137 [2025-04-24 20:09:27,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626297548] [2025-04-24 20:09:27,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:09:27,648 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2025-04-24 20:09:27,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:09:27,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2025-04-24 20:09:27,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2252, Invalid=16654, Unknown=0, NotChecked=0, Total=18906 [2025-04-24 20:09:27,649 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:09:27,649 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:09:27,649 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 138 states, 138 states have (on average 4.920289855072464) internal successors, (679), 137 states have internal predecessors, (679), 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 20:09:27,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2025-04-24 20:09:27,650 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:09:31,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:09:31,165 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2025-04-24 20:09:31,165 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 20:09:31,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-04-24 20:09:31,365 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-04-24 20:09:31,365 INFO L403 AbstractCegarLoop]: === Iteration 25 === 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 20:09:31,365 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:09:31,366 INFO L139 ounterexampleChecker]: Examining path program with hash -1644910467, occurence #3 [2025-04-24 20:09:31,366 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:09:31,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 20:09:31,366 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:09:31,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 20:09:31,366 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:09:31,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 20:09:31,366 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:09:31,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 20:09:31,366 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:09:31,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 765 [2025-04-24 20:09:31,366 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 768 [2025-04-24 20:09:31,366 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 771 [2025-04-24 20:09:31,366 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 774 [2025-04-24 20:09:31,366 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,366 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 777 [2025-04-24 20:09:31,366 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 780 [2025-04-24 20:09:31,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 783 [2025-04-24 20:09:31,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 786 [2025-04-24 20:09:31,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 789 [2025-04-24 20:09:31,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 792 [2025-04-24 20:09:31,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 795 [2025-04-24 20:09:31,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 798 [2025-04-24 20:09:31,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 801 [2025-04-24 20:09:31,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 804 [2025-04-24 20:09:31,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 807 [2025-04-24 20:09:31,367 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:09:31,367 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 809 [2025-04-24 20:09:31,367 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:09:31,367 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:09:31,367 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:09:31,368 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:09:31,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1076004793, now seen corresponding path program 23 times [2025-04-24 20:09:31,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:09:31,368 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063092484] [2025-04-24 20:09:31,368 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 20:09:31,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:09:31,383 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 812 statements into 51 equivalence classes. [2025-04-24 20:09:31,601 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) and asserted 812 of 812 statements. [2025-04-24 20:09:31,601 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) [2025-04-24 20:09:31,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:09:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 15982 backedges. 2428 proven. 627 refuted. 0 times theorem prover too weak. 12927 trivial. 0 not checked. [2025-04-24 20:09:37,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:09:37,229 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063092484] [2025-04-24 20:09:37,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063092484] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:09:37,229 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598949697] [2025-04-24 20:09:37,229 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 20:09:37,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:09:37,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:09:37,231 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:09:37,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-04-24 20:09:37,319 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 812 statements into 51 equivalence classes. [2025-04-24 20:09:37,565 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) and asserted 812 of 812 statements. [2025-04-24 20:09:37,565 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) [2025-04-24 20:09:37,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:09:37,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 2138 conjuncts, 134 conjuncts are in the unsatisfiable core [2025-04-24 20:09:37,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:09:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 15982 backedges. 795 proven. 15187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:09:42,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:09:43,602 INFO L134 CoverageAnalysis]: Checked inductivity of 15982 backedges. 2428 proven. 627 refuted. 0 times theorem prover too weak. 12927 trivial. 0 not checked. [2025-04-24 20:09:43,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598949697] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:09:43,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:09:43,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 135, 38] total 170 [2025-04-24 20:09:43,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073385983] [2025-04-24 20:09:43,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:09:43,603 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2025-04-24 20:09:43,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:09:43,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2025-04-24 20:09:43,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1589, Invalid=27141, Unknown=0, NotChecked=0, Total=28730 [2025-04-24 20:09:43,606 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:09:43,606 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:09:43,606 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 6.094117647058823) internal successors, (1036), 170 states have internal predecessors, (1036), 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 20:09:43,606 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:09:43,606 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:09:43,606 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:09:43,606 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:09:43,606 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:09:43,606 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:09:43,606 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:09:43,606 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 20:09:43,607 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:10:04,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:10:04,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:10:04,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2025-04-24 20:10:04,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 20:10:04,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-04-24 20:10:04,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-04-24 20:10:04,248 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-04-24 20:10:04,248 INFO L403 AbstractCegarLoop]: === Iteration 26 === 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 20:10:04,248 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:10:04,249 INFO L139 ounterexampleChecker]: Examining path program with hash -1644910467, occurence #4 [2025-04-24 20:10:04,249 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:10:04,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 20:10:04,249 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:10:04,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 20:10:04,249 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:10:04,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 20:10:04,249 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:10:04,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 20:10:04,249 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:10:04,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 777 [2025-04-24 20:10:04,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 780 [2025-04-24 20:10:04,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 783 [2025-04-24 20:10:04,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 786 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 789 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 792 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 795 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 798 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 801 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 804 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 807 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 810 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 813 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 816 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 819 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 822 [2025-04-24 20:10:04,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:04,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 824 [2025-04-24 20:10:04,250 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:10:04,251 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:10:04,251 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:10:04,251 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:10:04,251 INFO L85 PathProgramCache]: Analyzing trace with hash 183135429, now seen corresponding path program 24 times [2025-04-24 20:10:04,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:10:04,251 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400317437] [2025-04-24 20:10:04,251 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 20:10:04,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:10:04,269 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 827 statements into 52 equivalence classes. [2025-04-24 20:10:04,659 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 52 check-sat command(s) and asserted 827 of 827 statements. [2025-04-24 20:10:04,659 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 52 check-sat command(s) [2025-04-24 20:10:04,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:10:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 16631 backedges. 379 proven. 3138 refuted. 0 times theorem prover too weak. 13114 trivial. 0 not checked. [2025-04-24 20:10:36,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:10:36,180 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400317437] [2025-04-24 20:10:36,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400317437] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:10:36,180 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434345300] [2025-04-24 20:10:36,180 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 20:10:36,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:10:36,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:10:36,182 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:10:36,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-04-24 20:10:36,274 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 827 statements into 52 equivalence classes. [2025-04-24 20:10:36,607 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 52 check-sat command(s) and asserted 827 of 827 statements. [2025-04-24 20:10:36,607 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 52 check-sat command(s) [2025-04-24 20:10:36,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:10:36,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 2176 conjuncts, 1077 conjuncts are in the unsatisfiable core [2025-04-24 20:10:36,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:10:38,302 INFO L134 CoverageAnalysis]: Checked inductivity of 16631 backedges. 0 proven. 3138 refuted. 0 times theorem prover too weak. 13493 trivial. 0 not checked. [2025-04-24 20:10:38,302 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:10:39,322 INFO L134 CoverageAnalysis]: Checked inductivity of 16631 backedges. 0 proven. 3138 refuted. 0 times theorem prover too weak. 13493 trivial. 0 not checked. [2025-04-24 20:10:39,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434345300] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:10:39,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:10:39,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 36, 20] total 110 [2025-04-24 20:10:39,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049983455] [2025-04-24 20:10:39,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:10:39,323 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2025-04-24 20:10:39,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:10:39,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2025-04-24 20:10:39,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1842, Invalid=10368, Unknown=0, NotChecked=0, Total=12210 [2025-04-24 20:10:39,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:10:39,325 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:10:39,325 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 6.171171171171171) internal successors, (685), 110 states have internal predecessors, (685), 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 20:10:39,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:39,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:39,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:10:39,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:10:39,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:39,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:10:39,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2025-04-24 20:10:39,326 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:10:41,539 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-04-24 20:10:41,540 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-24 20:10:41,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-04-24 20:10:41,740 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:10:41,741 INFO L403 AbstractCegarLoop]: === Iteration 27 === 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 20:10:41,741 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:10:41,741 INFO L139 ounterexampleChecker]: Examining path program with hash -1644910467, occurence #5 [2025-04-24 20:10:41,741 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:10:41,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 20:10:41,741 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:10:41,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 20:10:41,741 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:10:41,741 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 20:10:41,742 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:10:41,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 20:10:41,742 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:10:41,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 786 [2025-04-24 20:10:41,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 789 [2025-04-24 20:10:41,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 792 [2025-04-24 20:10:41,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 795 [2025-04-24 20:10:41,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 798 [2025-04-24 20:10:41,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 801 [2025-04-24 20:10:41,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 804 [2025-04-24 20:10:41,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 807 [2025-04-24 20:10:41,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,742 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 810 [2025-04-24 20:10:41,742 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 813 [2025-04-24 20:10:41,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 816 [2025-04-24 20:10:41,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 819 [2025-04-24 20:10:41,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 822 [2025-04-24 20:10:41,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 825 [2025-04-24 20:10:41,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 828 [2025-04-24 20:10:41,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 831 [2025-04-24 20:10:41,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:10:41,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 833 [2025-04-24 20:10:41,743 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:10:41,743 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:10:41,743 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:10:41,744 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:10:41,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1370321527, now seen corresponding path program 25 times [2025-04-24 20:10:41,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:10:41,744 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56756526] [2025-04-24 20:10:41,744 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 20:10:41,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:10:41,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 836 statements into 1 equivalence classes. [2025-04-24 20:10:42,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 836 of 836 statements. [2025-04-24 20:10:42,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:10:42,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:10:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 16755 backedges. 2258 proven. 1570 refuted. 0 times theorem prover too weak. 12927 trivial. 0 not checked. [2025-04-24 20:10:48,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:10:48,148 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56756526] [2025-04-24 20:10:48,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56756526] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:10:48,148 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231424774] [2025-04-24 20:10:48,148 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 20:10:48,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:10:48,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:10:48,150 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:10:48,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-04-24 20:10:48,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 836 statements into 1 equivalence classes. [2025-04-24 20:10:48,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 836 of 836 statements. [2025-04-24 20:10:48,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:10:48,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:10:48,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 2198 conjuncts, 138 conjuncts are in the unsatisfiable core [2025-04-24 20:10:48,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:10:53,724 INFO L134 CoverageAnalysis]: Checked inductivity of 16755 backedges. 919 proven. 15836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:10:53,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:10:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 16755 backedges. 2286 proven. 979 refuted. 0 times theorem prover too weak. 13490 trivial. 0 not checked. [2025-04-24 20:10:54,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231424774] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:10:54,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:10:54,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 139, 40] total 179 [2025-04-24 20:10:54,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104943313] [2025-04-24 20:10:54,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:10:54,909 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2025-04-24 20:10:54,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:10:54,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2025-04-24 20:10:54,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1732, Invalid=30130, Unknown=0, NotChecked=0, Total=31862 [2025-04-24 20:10:54,912 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:10:54,912 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:10:54,913 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 179 states have (on average 6.150837988826815) internal successors, (1101), 179 states have internal predecessors, (1101), 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 20:10:54,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:54,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:54,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:10:54,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:10:54,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:54,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:10:54,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:10:54,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:10:54,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:10:54,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-24 20:10:54,914 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:11:20,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 294 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-24 20:11:20,492 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2025-04-24 20:11:20,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-04-24 20:11:20,692 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-04-24 20:11:20,693 INFO L403 AbstractCegarLoop]: === Iteration 28 === 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 20:11:20,693 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:11:20,693 INFO L139 ounterexampleChecker]: Examining path program with hash -1644910467, occurence #6 [2025-04-24 20:11:20,693 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:11:20,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 20:11:20,693 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:11:20,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 20:11:20,693 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:11:20,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 20:11:20,693 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:11:20,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 20:11:20,693 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:11:20,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 798 [2025-04-24 20:11:20,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 801 [2025-04-24 20:11:20,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 804 [2025-04-24 20:11:20,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 807 [2025-04-24 20:11:20,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 810 [2025-04-24 20:11:20,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 813 [2025-04-24 20:11:20,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 816 [2025-04-24 20:11:20,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 819 [2025-04-24 20:11:20,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 822 [2025-04-24 20:11:20,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 825 [2025-04-24 20:11:20,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 828 [2025-04-24 20:11:20,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 831 [2025-04-24 20:11:20,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 834 [2025-04-24 20:11:20,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 837 [2025-04-24 20:11:20,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 840 [2025-04-24 20:11:20,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 843 [2025-04-24 20:11:20,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 846 [2025-04-24 20:11:20,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:11:20,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 848 [2025-04-24 20:11:20,695 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:11:20,695 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:11:20,695 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:11:20,695 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:11:20,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1602239815, now seen corresponding path program 26 times [2025-04-24 20:11:20,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:11:20,696 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936744206] [2025-04-24 20:11:20,696 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:11:20,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:11:20,712 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 851 statements into 2 equivalence classes. [2025-04-24 20:11:21,093 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 851 of 851 statements. [2025-04-24 20:11:21,093 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:11:21,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat