./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/clever.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 01849734 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/clever.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 f1b460e4dbdd0bf3097d690d1720c7a2141566e2aa4ca1ed003c7fa25661851d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-0184973-m [2025-04-24 17:02:10,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 17:02:10,658 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 17:02:10,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 17:02:10,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 17:02:10,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 17:02:10,694 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 17:02:10,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 17:02:10,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 17:02:10,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 17:02:10,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 17:02:10,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 17:02:10,694 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 17:02:10,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 17:02:10,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 17:02:10,695 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 17:02:10,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 17:02:10,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 17:02:10,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 17:02:10,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 17:02:10,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 17:02:10,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 17:02:10,695 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 17:02:10,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 17:02:10,696 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 17:02:10,696 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 17:02:10,696 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 17:02:10,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:02:10,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:02:10,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:02:10,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:02:10,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 17:02:10,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:02:10,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:02:10,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:02:10,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:02:10,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 17:02:10,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 17:02:10,697 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 17:02:10,697 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 17:02:10,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 17:02:10,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 17:02:10,697 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 17:02:10,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 17:02:10,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 17:02:10,697 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 17:02:10,697 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 17:02:10,698 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 -> f1b460e4dbdd0bf3097d690d1720c7a2141566e2aa4ca1ed003c7fa25661851d [2025-04-24 17:02:10,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 17:02:10,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 17:02:10,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 17:02:10,982 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 17:02:10,984 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 17:02:10,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/clever.wvr.c [2025-04-24 17:02:12,319 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2e6848243/8165aea1568b4ab88333723f613cdc1f/FLAG55fd4386b [2025-04-24 17:02:12,491 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 17:02:12,492 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/clever.wvr.c [2025-04-24 17:02:12,499 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2e6848243/8165aea1568b4ab88333723f613cdc1f/FLAG55fd4386b [2025-04-24 17:02:13,370 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2e6848243/8165aea1568b4ab88333723f613cdc1f [2025-04-24 17:02:13,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 17:02:13,373 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 17:02:13,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 17:02:13,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 17:02:13,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 17:02:13,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8871b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13, skipping insertion in model container [2025-04-24 17:02:13,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 17:02:13,556 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/clever.wvr.c[2159,2172] [2025-04-24 17:02:13,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:02:13,570 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 17:02:13,601 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/clever.wvr.c[2159,2172] [2025-04-24 17:02:13,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:02:13,621 INFO L204 MainTranslator]: Completed translation [2025-04-24 17:02:13,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13 WrapperNode [2025-04-24 17:02:13,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 17:02:13,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 17:02:13,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 17:02:13,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 17:02:13,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,648 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2025-04-24 17:02:13,649 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 17:02:13,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 17:02:13,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 17:02:13,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 17:02:13,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,665 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 17:02:13,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 17:02:13,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 17:02:13,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 17:02:13,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (1/1) ... [2025-04-24 17:02:13,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:02:13,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:02:13,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-24 17:02:13,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-24 17:02:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 17:02:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 17:02:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 17:02:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 17:02:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 17:02:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 17:02:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 17:02:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 17:02:13,727 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-24 17:02:13,797 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 17:02:13,798 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 17:02:13,965 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 17:02:13,965 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 17:02:14,099 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 17:02:14,100 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-24 17:02:14,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:02:14 BoogieIcfgContainer [2025-04-24 17:02:14,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 17:02:14,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 17:02:14,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 17:02:14,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 17:02:14,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 05:02:13" (1/3) ... [2025-04-24 17:02:14,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8fb010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:02:14, skipping insertion in model container [2025-04-24 17:02:14,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:02:13" (2/3) ... [2025-04-24 17:02:14,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8fb010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:02:14, skipping insertion in model container [2025-04-24 17:02:14,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:02:14" (3/3) ... [2025-04-24 17:02:14,111 INFO L128 eAbstractionObserver]: Analyzing ICFG clever.wvr.c [2025-04-24 17:02:14,121 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 17:02:14,123 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG clever.wvr.c that has 3 procedures, 18 locations, 18 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-24 17:02:14,123 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 17:02:14,158 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-24 17:02:14,206 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:02:14,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 17:02:14,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:02:14,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-24 17:02:14,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-24 17:02:14,271 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 17:02:14,284 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 17:02:14,290 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;@2148430e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:02:14,290 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-24 17:02:14,332 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:02:14,332 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:02:14,332 INFO L139 ounterexampleChecker]: Examining path program with hash -1516958534, occurence #1 [2025-04-24 17:02:14,332 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:02:14,333 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:02:14,336 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:02:14,337 INFO L85 PathProgramCache]: Analyzing trace with hash -775960652, now seen corresponding path program 1 times [2025-04-24 17:02:14,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:02:14,343 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545508764] [2025-04-24 17:02:14,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:02:14,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:02:14,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-24 17:02:14,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-24 17:02:14,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:02:14,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:14,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:02:14,690 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545508764] [2025-04-24 17:02:14,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545508764] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:02:14,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:02:14,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 17:02:14,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948728883] [2025-04-24 17:02:14,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:02:14,698 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 17:02:14,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:02:14,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 17:02:14,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 17:02:14,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:14,712 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:02:14,713 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:02:14,713 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:14,755 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:14,756 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 17:02:14,756 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:02:14,756 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:02:14,757 INFO L139 ounterexampleChecker]: Examining path program with hash -1516958534, occurence #2 [2025-04-24 17:02:14,757 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:02:14,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:02:14,759 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:14,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:02:14,760 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:14,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 17:02:14,760 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:14,760 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:02:14,760 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:02:14,760 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:02:14,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1713947452, now seen corresponding path program 1 times [2025-04-24 17:02:14,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:02:14,760 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416174133] [2025-04-24 17:02:14,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:02:14,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:02:14,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-24 17:02:14,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-24 17:02:14,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:02:14,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:14,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:14,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:02:14,852 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416174133] [2025-04-24 17:02:14,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416174133] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:02:14,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:02:14,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 17:02:14,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901299084] [2025-04-24 17:02:14,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:02:14,853 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 17:02:14,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:02:14,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 17:02:14,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-24 17:02:14,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:14,854 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:02:14,854 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:02:14,854 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:14,854 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:14,931 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:14,931 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:14,932 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 17:02:14,932 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:02:14,932 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:02:14,932 INFO L139 ounterexampleChecker]: Examining path program with hash -1206120138, occurence #1 [2025-04-24 17:02:14,932 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:02:14,933 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:02:14,933 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:02:14,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1555958811, now seen corresponding path program 1 times [2025-04-24 17:02:14,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:02:14,934 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470859798] [2025-04-24 17:02:14,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:02:14,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:02:14,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-24 17:02:14,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-24 17:02:14,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:02:14,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:15,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:15,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:02:15,051 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470859798] [2025-04-24 17:02:15,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470859798] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:02:15,052 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857425120] [2025-04-24 17:02:15,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:02:15,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:02:15,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:02:15,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:02:15,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-24 17:02:15,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-24 17:02:15,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-24 17:02:15,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:02:15,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:15,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-24 17:02:15,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:02:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:15,254 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:02:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:15,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857425120] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:02:15,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:02:15,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 8 [2025-04-24 17:02:15,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125022742] [2025-04-24 17:02:15,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:02:15,291 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-24 17:02:15,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:02:15,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-24 17:02:15,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-04-24 17:02:15,291 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:15,291 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:02:15,291 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:02:15,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:15,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:15,291 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:15,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:15,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:15,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:02:15,473 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 17:02:15,670 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 17:02:15,670 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:02:15,670 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:02:15,670 INFO L139 ounterexampleChecker]: Examining path program with hash 1330072171, occurence #1 [2025-04-24 17:02:15,670 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:02:15,670 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:02:15,671 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:02:15,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1036360299, now seen corresponding path program 2 times [2025-04-24 17:02:15,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:02:15,671 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818189663] [2025-04-24 17:02:15,671 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:02:15,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:02:15,677 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-04-24 17:02:15,684 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-04-24 17:02:15,684 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:02:15,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:15,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:02:15,796 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818189663] [2025-04-24 17:02:15,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818189663] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:02:15,796 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710336634] [2025-04-24 17:02:15,796 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:02:15,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:02:15,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:02:15,799 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:02:15,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-24 17:02:15,832 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-04-24 17:02:15,846 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-04-24 17:02:15,846 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:02:15,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:15,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 17:02:15,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:02:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:16,002 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:02:16,068 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:16,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710336634] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:02:16,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:02:16,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 14 [2025-04-24 17:02:16,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584194197] [2025-04-24 17:02:16,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:02:16,068 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-24 17:02:16,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:02:16,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-24 17:02:16,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2025-04-24 17:02:16,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:16,069 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:02:16,069 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:02:16,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:16,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:16,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:02:16,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:16,401 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:16,401 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:16,401 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:02:16,401 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:02:16,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-24 17:02:16,601 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:02:16,602 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:02:16,602 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:02:16,602 INFO L139 ounterexampleChecker]: Examining path program with hash 1330072171, occurence #2 [2025-04-24 17:02:16,602 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:02:16,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:02:16,602 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:16,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:02:16,602 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:16,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 17:02:16,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:16,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 17:02:16,602 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:16,602 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 17:02:16,602 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:16,602 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:02:16,602 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:02:16,603 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:02:16,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1726193986, now seen corresponding path program 3 times [2025-04-24 17:02:16,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:02:16,603 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328320464] [2025-04-24 17:02:16,603 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:02:16,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:02:16,611 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 33 statements into 5 equivalence classes. [2025-04-24 17:02:16,631 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 33 of 33 statements. [2025-04-24 17:02:16,631 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-24 17:02:16,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:16,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:02:16,783 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328320464] [2025-04-24 17:02:16,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328320464] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:02:16,783 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256537297] [2025-04-24 17:02:16,783 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:02:16,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:02:16,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:02:16,788 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:02:16,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-24 17:02:16,819 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 33 statements into 5 equivalence classes. [2025-04-24 17:02:16,837 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 33 of 33 statements. [2025-04-24 17:02:16,838 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-24 17:02:16,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:16,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-24 17:02:16,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:02:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:17,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:02:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:17,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256537297] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:02:17,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:02:17,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16, 9] total 26 [2025-04-24 17:02:17,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726411354] [2025-04-24 17:02:17,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:02:17,237 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-04-24 17:02:17,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:02:17,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-04-24 17:02:17,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=559, Unknown=0, NotChecked=0, Total=702 [2025-04-24 17:02:17,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:17,238 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:02:17,238 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.740740740740741) internal successors, (74), 26 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:02:17,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:17,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:17,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:02:17,238 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:02:17,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:17,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:17,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:17,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:02:17,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:02:17,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:02:17,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-24 17:02:18,017 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:02:18,017 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:02:18,018 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:02:18,018 INFO L139 ounterexampleChecker]: Examining path program with hash 1330072171, occurence #3 [2025-04-24 17:02:18,018 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:02:18,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:02:18,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:18,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:02:18,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:18,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 17:02:18,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:18,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 17:02:18,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:18,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 17:02:18,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:18,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-24 17:02:18,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:18,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-24 17:02:18,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:18,018 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:02:18,018 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:02:18,019 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:02:18,019 INFO L85 PathProgramCache]: Analyzing trace with hash -185104011, now seen corresponding path program 4 times [2025-04-24 17:02:18,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:02:18,019 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892578985] [2025-04-24 17:02:18,019 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:02:18,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:02:18,024 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 49 statements into 2 equivalence classes. [2025-04-24 17:02:18,032 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 49 of 49 statements. [2025-04-24 17:02:18,033 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:02:18,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 84 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:18,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:02:18,353 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892578985] [2025-04-24 17:02:18,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892578985] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:02:18,353 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656664185] [2025-04-24 17:02:18,353 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:02:18,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:02:18,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:02:18,357 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:02:18,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-24 17:02:18,392 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 49 statements into 2 equivalence classes. [2025-04-24 17:02:18,413 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 49 of 49 statements. [2025-04-24 17:02:18,413 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:02:18,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:18,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-24 17:02:18,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:02:18,948 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:18,948 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:02:19,147 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 84 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:19,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656664185] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:02:19,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:02:19,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 27, 14] total 44 [2025-04-24 17:02:19,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541376063] [2025-04-24 17:02:19,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:02:19,148 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-04-24 17:02:19,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:02:19,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-04-24 17:02:19,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=346, Invalid=1634, Unknown=0, NotChecked=0, Total=1980 [2025-04-24 17:02:19,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:19,153 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:02:19,153 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.4) internal successors, (108), 44 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:02:19,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:19,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:19,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:02:19,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:02:19,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-24 17:02:19,153 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:20,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:20,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:20,395 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:02:20,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:02:20,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:02:20,396 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:02:20,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-24 17:02:20,596 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-04-24 17:02:20,596 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:02:20,596 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:02:20,597 INFO L139 ounterexampleChecker]: Examining path program with hash 1330072171, occurence #4 [2025-04-24 17:02:20,597 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:02:20,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:02:20,597 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:20,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:02:20,597 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:20,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 17:02:20,597 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:20,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 17:02:20,597 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:20,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-24 17:02:20,597 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:20,597 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-24 17:02:20,597 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:20,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-24 17:02:20,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:20,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-24 17:02:20,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:20,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 17:02:20,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:20,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-24 17:02:20,598 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:20,598 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:02:20,598 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:02:20,598 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:02:20,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1316800619, now seen corresponding path program 5 times [2025-04-24 17:02:20,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:02:20,598 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733073471] [2025-04-24 17:02:20,598 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:02:20,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:02:20,608 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 75 statements into 13 equivalence classes. [2025-04-24 17:02:20,627 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 75 of 75 statements. [2025-04-24 17:02:20,627 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-04-24 17:02:20,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:21,161 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 264 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:21,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:02:21,161 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733073471] [2025-04-24 17:02:21,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733073471] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:02:21,161 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573424484] [2025-04-24 17:02:21,162 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:02:21,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:02:21,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:02:21,166 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:02:21,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-24 17:02:21,207 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 75 statements into 13 equivalence classes. [2025-04-24 17:02:21,240 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 75 of 75 statements. [2025-04-24 17:02:21,241 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-04-24 17:02:21,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:21,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 45 conjuncts are in the unsatisfiable core [2025-04-24 17:02:21,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:02:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:22,279 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:02:22,622 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 264 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:22,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573424484] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:02:22,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:02:22,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 45, 22] total 74 [2025-04-24 17:02:22,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35024972] [2025-04-24 17:02:22,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:02:22,623 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2025-04-24 17:02:22,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:02:22,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2025-04-24 17:02:22,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=880, Invalid=4670, Unknown=0, NotChecked=0, Total=5550 [2025-04-24 17:02:22,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:22,626 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:02:22,626 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 2.2) internal successors, (165), 74 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:02:22,626 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:22,626 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:22,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:02:22,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:02:22,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:02:22,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:02:22,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:24,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:24,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:24,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:02:24,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:02:24,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:02:24,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:02:24,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-04-24 17:02:24,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-24 17:02:24,908 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:02:24,909 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:02:24,909 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:02:24,909 INFO L139 ounterexampleChecker]: Examining path program with hash 1330072171, occurence #5 [2025-04-24 17:02:24,909 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:02:24,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:02:24,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:24,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:02:24,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:24,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-24 17:02:24,909 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:24,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-24 17:02:24,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:24,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 17:02:24,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:24,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 17:02:24,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:24,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 17:02:24,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:24,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-04-24 17:02:24,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:24,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-24 17:02:24,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:24,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-24 17:02:24,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:24,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-04-24 17:02:24,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:24,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2025-04-24 17:02:24,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:24,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-24 17:02:24,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:24,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-24 17:02:24,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:24,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 17:02:24,910 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:24,910 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:02:24,910 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:02:24,911 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:02:24,911 INFO L85 PathProgramCache]: Analyzing trace with hash 989510696, now seen corresponding path program 6 times [2025-04-24 17:02:24,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:02:24,911 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133659944] [2025-04-24 17:02:24,911 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:02:24,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:02:24,921 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 117 statements into 21 equivalence classes. [2025-04-24 17:02:24,975 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 117 of 117 statements. [2025-04-24 17:02:24,975 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-04-24 17:02:24,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:26,134 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 760 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:26,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:02:26,134 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133659944] [2025-04-24 17:02:26,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133659944] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:02:26,134 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519121979] [2025-04-24 17:02:26,134 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:02:26,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:02:26,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:02:26,136 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:02:26,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-24 17:02:26,174 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 117 statements into 21 equivalence classes. [2025-04-24 17:02:26,231 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 117 of 117 statements. [2025-04-24 17:02:26,231 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-04-24 17:02:26,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:26,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 74 conjuncts are in the unsatisfiable core [2025-04-24 17:02:26,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:02:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 0 proven. 932 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:28,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:02:28,924 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 760 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:28,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519121979] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:02:28,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:02:28,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 74, 35] total 122 [2025-04-24 17:02:28,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975623284] [2025-04-24 17:02:28,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:02:28,925 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2025-04-24 17:02:28,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:02:28,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2025-04-24 17:02:28,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2218, Invalid=12788, Unknown=0, NotChecked=0, Total=15006 [2025-04-24 17:02:28,931 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:28,931 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:02:28,932 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 2.0813008130081303) internal successors, (256), 122 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:02:28,932 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:28,932 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:28,932 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:02:28,932 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:02:28,932 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:02:28,932 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:02:28,932 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2025-04-24 17:02:28,932 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:33,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:33,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:33,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:02:33,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:02:33,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:02:33,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:02:33,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-24 17:02:33,070 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2025-04-24 17:02:33,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-24 17:02:33,270 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-04-24 17:02:33,271 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:02:33,271 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:02:33,271 INFO L139 ounterexampleChecker]: Examining path program with hash 1330072171, occurence #6 [2025-04-24 17:02:33,271 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:02:33,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:02:33,271 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:33,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:02:33,271 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:33,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2025-04-24 17:02:33,272 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:33,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-04-24 17:02:33,272 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:33,272 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:02:33,272 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:02:33,273 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:02:33,273 INFO L85 PathProgramCache]: Analyzing trace with hash 243530587, now seen corresponding path program 7 times [2025-04-24 17:02:33,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:02:33,273 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642776607] [2025-04-24 17:02:33,273 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:02:33,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:02:33,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-04-24 17:02:33,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-04-24 17:02:33,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:02:33,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 2112 proven. 446 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:35,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:02:35,647 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642776607] [2025-04-24 17:02:35,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642776607] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:02:35,647 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611096631] [2025-04-24 17:02:35,647 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:02:35,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:02:35,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:02:35,649 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:02:35,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-24 17:02:35,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-04-24 17:02:35,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-04-24 17:02:35,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:02:35,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:35,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 121 conjuncts are in the unsatisfiable core [2025-04-24 17:02:35,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:02:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 0 proven. 2558 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:40,664 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:02:42,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 2112 proven. 446 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:42,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611096631] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:02:42,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:02:42,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 121, 56] total 200 [2025-04-24 17:02:42,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300933995] [2025-04-24 17:02:42,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:02:42,133 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 201 states [2025-04-24 17:02:42,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:02:42,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2025-04-24 17:02:42,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5688, Invalid=34512, Unknown=0, NotChecked=0, Total=40200 [2025-04-24 17:02:42,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:42,143 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:02:42,144 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 201 states, 201 states have (on average 2.009950248756219) internal successors, (404), 200 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:02:42,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:42,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:42,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:02:42,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:02:42,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:02:42,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:02:42,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-24 17:02:42,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2025-04-24 17:02:42,144 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:02:51,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:02:51,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:02:51,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:02:51,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:02:51,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:02:51,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:02:51,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-24 17:02:51,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-24 17:02:51,716 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-04-24 17:02:51,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-24 17:02:51,916 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:02:51,916 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:02:51,916 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:02:51,917 INFO L139 ounterexampleChecker]: Examining path program with hash 1330072171, occurence #7 [2025-04-24 17:02:51,917 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:02:51,917 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:02:51,917 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-04-24 17:02:51,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2025-04-24 17:02:51,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-04-24 17:02:51,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-04-24 17:02:51,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-04-24 17:02:51,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2025-04-24 17:02:51,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-04-24 17:02:51,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2025-04-24 17:02:51,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 241 [2025-04-24 17:02:51,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2025-04-24 17:02:51,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-04-24 17:02:51,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2025-04-24 17:02:51,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 281 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2025-04-24 17:02:51,918 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:02:51,918 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2025-04-24 17:02:51,919 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:02:51,919 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:02:51,919 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:02:51,919 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:02:51,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1610156641, now seen corresponding path program 8 times [2025-04-24 17:02:51,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:02:51,919 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124326175] [2025-04-24 17:02:51,919 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:02:51,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:02:51,930 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 295 statements into 2 equivalence classes. [2025-04-24 17:02:52,047 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 295 of 295 statements. [2025-04-24 17:02:52,047 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:02:52,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6888 backedges. 5724 proven. 1164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:02:57,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:02:57,698 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124326175] [2025-04-24 17:02:57,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124326175] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:02:57,698 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737747103] [2025-04-24 17:02:57,698 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:02:57,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:02:57,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:02:57,700 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:02:57,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-24 17:02:57,757 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 295 statements into 2 equivalence classes. [2025-04-24 17:02:57,857 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 295 of 295 statements. [2025-04-24 17:02:57,858 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:02:57,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:02:57,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 197 conjuncts are in the unsatisfiable core [2025-04-24 17:02:57,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:03:09,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6888 backedges. 0 proven. 6888 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:03:09,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:03:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6888 backedges. 5724 proven. 1164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:03:13,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737747103] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:03:13,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:03:13,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 197, 90] total 326 [2025-04-24 17:03:13,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349083845] [2025-04-24 17:03:13,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:03:13,339 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 327 states [2025-04-24 17:03:13,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:03:13,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 327 interpolants. [2025-04-24 17:03:13,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14655, Invalid=91947, Unknown=0, NotChecked=0, Total=106602 [2025-04-24 17:03:13,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:03:13,348 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:03:13,349 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 327 states, 327 states have (on average 1.966360856269113) internal successors, (643), 326 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:03:13,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:03:13,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:03:13,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:03:13,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:03:13,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:03:13,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:03:13,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-24 17:03:13,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-24 17:03:13,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2025-04-24 17:03:13,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:03:37,221 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:03:37,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:03:37,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:03:37,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:03:37,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:03:37,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:03:37,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-24 17:03:37,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-24 17:03:37,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:03:37,226 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 344 states. [2025-04-24 17:03:37,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-04-24 17:03:37,426 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-24 17:03:37,426 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:03:37,426 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:03:37,427 INFO L139 ounterexampleChecker]: Examining path program with hash 1330072171, occurence #8 [2025-04-24 17:03:37,427 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:03:37,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:03:37,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 361 [2025-04-24 17:03:37,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 363 [2025-04-24 17:03:37,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 365 [2025-04-24 17:03:37,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 367 [2025-04-24 17:03:37,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 369 [2025-04-24 17:03:37,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 371 [2025-04-24 17:03:37,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 373 [2025-04-24 17:03:37,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 375 [2025-04-24 17:03:37,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 377 [2025-04-24 17:03:37,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 379 [2025-04-24 17:03:37,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 381 [2025-04-24 17:03:37,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 383 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 385 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 387 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 389 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 391 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 393 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 395 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 399 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 401 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 403 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 405 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 407 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 409 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 411 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 413 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 415 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 417 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 419 [2025-04-24 17:03:37,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,429 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 421 [2025-04-24 17:03:37,429 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,429 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 423 [2025-04-24 17:03:37,429 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,429 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2025-04-24 17:03:37,429 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,429 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 427 [2025-04-24 17:03:37,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 429 [2025-04-24 17:03:37,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 431 [2025-04-24 17:03:37,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2025-04-24 17:03:37,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 435 [2025-04-24 17:03:37,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 437 [2025-04-24 17:03:37,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,432 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 439 [2025-04-24 17:03:37,432 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 441 [2025-04-24 17:03:37,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 443 [2025-04-24 17:03:37,433 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 445 [2025-04-24 17:03:37,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 447 [2025-04-24 17:03:37,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 449 [2025-04-24 17:03:37,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 451 [2025-04-24 17:03:37,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2025-04-24 17:03:37,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 455 [2025-04-24 17:03:37,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 457 [2025-04-24 17:03:37,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 459 [2025-04-24 17:03:37,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 461 [2025-04-24 17:03:37,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,434 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 463 [2025-04-24 17:03:37,434 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 465 [2025-04-24 17:03:37,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 467 [2025-04-24 17:03:37,435 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:03:37,435 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 469 [2025-04-24 17:03:37,435 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:03:37,435 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:03:37,435 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:03:37,435 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:03:37,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1470912986, now seen corresponding path program 9 times [2025-04-24 17:03:37,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:03:37,435 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846719531] [2025-04-24 17:03:37,435 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:03:37,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:03:37,450 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 473 statements into 89 equivalence classes. [2025-04-24 17:03:37,985 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 89 check-sat command(s) and asserted 473 of 473 statements. [2025-04-24 17:03:37,985 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 89 check-sat command(s) [2025-04-24 17:03:37,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:03:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 18350 backedges. 15312 proven. 3038 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:03:54,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:03:54,210 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846719531] [2025-04-24 17:03:54,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846719531] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:03:54,210 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367808585] [2025-04-24 17:03:54,210 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:03:54,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:03:54,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:03:54,212 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:03:54,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-24 17:03:54,285 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 473 statements into 89 equivalence classes. [2025-04-24 17:03:54,635 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 89 check-sat command(s) and asserted 473 of 473 statements. [2025-04-24 17:03:54,636 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 89 check-sat command(s) [2025-04-24 17:03:54,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:03:54,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 1822 conjuncts, 320 conjuncts are in the unsatisfiable core [2025-04-24 17:03:54,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:04:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 18350 backedges. 0 proven. 18350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:04:24,559 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:04:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 18350 backedges. 15312 proven. 3038 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:04:33,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367808585] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:04:33,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:04:33,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [145, 320, 145] total 530 [2025-04-24 17:04:33,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6076617] [2025-04-24 17:04:33,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:04:33,086 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 531 states [2025-04-24 17:04:33,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:04:33,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 531 interpolants. [2025-04-24 17:04:33,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38005, Invalid=243425, Unknown=0, NotChecked=0, Total=281430 [2025-04-24 17:04:33,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:04:33,107 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:04:33,108 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 531 states, 531 states have (on average 1.9397363465160076) internal successors, (1030), 530 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:04:33,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:04:33,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:04:33,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:04:33,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:04:33,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:04:33,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:04:33,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-24 17:04:33,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-24 17:04:33,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:04:33,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 344 states. [2025-04-24 17:04:33,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:05:38,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:05:38,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:05:38,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:05:38,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:05:38,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:05:38,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:05:38,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-24 17:05:38,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-24 17:05:38,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:05:38,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2025-04-24 17:05:38,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 556 states. [2025-04-24 17:05:38,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-24 17:05:38,206 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,SelfDestructingSolverStorable10 [2025-04-24 17:05:38,206 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:05:38,206 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:05:38,207 INFO L139 ounterexampleChecker]: Examining path program with hash 1330072171, occurence #9 [2025-04-24 17:05:38,207 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:05:38,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:05:38,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:05:38,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:05:38,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:05:38,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 581 [2025-04-24 17:05:38,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 583 [2025-04-24 17:05:38,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 585 [2025-04-24 17:05:38,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 587 [2025-04-24 17:05:38,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 589 [2025-04-24 17:05:38,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 591 [2025-04-24 17:05:38,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 593 [2025-04-24 17:05:38,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 595 [2025-04-24 17:05:38,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 597 [2025-04-24 17:05:38,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 599 [2025-04-24 17:05:38,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 601 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 603 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 605 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 607 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 609 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 611 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 613 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 617 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 619 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 621 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 623 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 625 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 627 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 629 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 631 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 633 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 635 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 637 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 639 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 641 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 643 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 645 [2025-04-24 17:05:38,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 647 [2025-04-24 17:05:38,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 649 [2025-04-24 17:05:38,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 651 [2025-04-24 17:05:38,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 653 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 655 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 657 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 659 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 661 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 663 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 665 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 667 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 669 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 671 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 673 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 675 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 677 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 679 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 681 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 683 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 685 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 687 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 689 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 691 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 693 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 695 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 697 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 699 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 701 [2025-04-24 17:05:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 703 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 705 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 707 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 709 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 711 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 713 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 715 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 717 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 719 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 721 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 723 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 725 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 727 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 729 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 731 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 733 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 735 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 737 [2025-04-24 17:05:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 739 [2025-04-24 17:05:38,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 741 [2025-04-24 17:05:38,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 743 [2025-04-24 17:05:38,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 745 [2025-04-24 17:05:38,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 747 [2025-04-24 17:05:38,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 749 [2025-04-24 17:05:38,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 751 [2025-04-24 17:05:38,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 753 [2025-04-24 17:05:38,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 755 [2025-04-24 17:05:38,212 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:05:38,212 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 757 [2025-04-24 17:05:38,212 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:05:38,212 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:05:38,212 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:05:38,212 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:05:38,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1075512537, now seen corresponding path program 10 times [2025-04-24 17:05:38,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:05:38,213 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778330292] [2025-04-24 17:05:38,213 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:05:38,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:05:38,236 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 761 statements into 2 equivalence classes. [2025-04-24 17:05:38,972 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 761 of 761 statements. [2025-04-24 17:05:38,972 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:05:38,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:06:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 48554 backedges. 40612 proven. 7942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:06:29,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:06:29,645 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778330292] [2025-04-24 17:06:29,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778330292] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:06:29,645 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536192160] [2025-04-24 17:06:29,645 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:06:29,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:06:29,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:06:29,647 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:06:29,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-24 17:06:29,752 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 761 statements into 2 equivalence classes. [2025-04-24 17:06:30,020 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 761 of 761 statements. [2025-04-24 17:06:30,020 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:06:30,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:06:30,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 2906 conjuncts, 519 conjuncts are in the unsatisfiable core [2025-04-24 17:06:30,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:07:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 48554 backedges. 0 proven. 48554 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:07:46,588 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:08:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 48554 backedges. 40612 proven. 7942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:08:08,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536192160] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:08:08,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:08:08,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [234, 519, 234] total 860 [2025-04-24 17:08:08,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487866103] [2025-04-24 17:08:08,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:08:08,733 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 861 states [2025-04-24 17:08:08,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:08:08,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 861 interpolants. [2025-04-24 17:08:08,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98868, Invalid=641592, Unknown=0, NotChecked=0, Total=740460 [2025-04-24 17:08:08,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:08:08,777 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:08:08,778 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 861 states, 861 states have (on average 1.9233449477351916) internal successors, (1656), 860 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:08:08,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:08:08,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:08:08,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:08:08,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:08:08,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:08:08,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:08:08,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-24 17:08:08,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-24 17:08:08,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 237 states. [2025-04-24 17:08:08,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2025-04-24 17:08:08,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 556 states. [2025-04-24 17:08:08,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.