./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 01849734 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.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 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-0184973-m [2025-04-24 17:14:00,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 17:14:00,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 17:14:00,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 17:14:00,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 17:14:00,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 17:14:00,995 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 17:14:00,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 17:14:00,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 17:14:00,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 17:14:00,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 17:14:00,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 17:14:00,997 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 17:14:00,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 17:14:00,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 17:14:00,997 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 17:14:00,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 17:14:00,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 17:14:00,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 17:14:00,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 17:14:00,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 17:14:00,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 17:14:00,998 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 17:14:00,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 17:14:00,998 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 17:14:00,998 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 17:14:00,998 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 17:14:00,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:14:00,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:14:00,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:14:00,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:14:00,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 17:14:00,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:14:00,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:14:01,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:14:01,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:14:01,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 17:14:01,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 17:14:01,000 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 17:14:01,000 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 17:14:01,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 17:14:01,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 17:14:01,000 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 17:14:01,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 17:14:01,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 17:14:01,001 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 17:14:01,001 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 17:14:01,001 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 -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2025-04-24 17:14:01,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 17:14:01,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 17:14:01,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 17:14:01,268 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 17:14:01,268 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 17:14:01,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2025-04-24 17:14:02,576 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/477957948/65ded00973344d3f98c6f41210019035/FLAG5dc0ca180 [2025-04-24 17:14:02,753 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 17:14:02,753 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2025-04-24 17:14:02,765 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/477957948/65ded00973344d3f98c6f41210019035/FLAG5dc0ca180 [2025-04-24 17:14:03,626 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/477957948/65ded00973344d3f98c6f41210019035 [2025-04-24 17:14:03,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 17:14:03,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 17:14:03,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 17:14:03,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 17:14:03,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 17:14:03,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb38b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03, skipping insertion in model container [2025-04-24 17:14:03,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 17:14:03,786 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2025-04-24 17:14:03,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:14:03,807 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 17:14:03,834 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2297,2310] [2025-04-24 17:14:03,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:14:03,863 INFO L204 MainTranslator]: Completed translation [2025-04-24 17:14:03,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03 WrapperNode [2025-04-24 17:14:03,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 17:14:03,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 17:14:03,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 17:14:03,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 17:14:03,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,898 INFO L138 Inliner]: procedures = 25, calls = 26, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 123 [2025-04-24 17:14:03,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 17:14:03,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 17:14:03,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 17:14:03,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 17:14:03,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,918 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,924 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 17:14:03,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 17:14:03,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 17:14:03,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 17:14:03,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (1/1) ... [2025-04-24 17:14:03,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:14:03,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:03,963 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 17:14:03,967 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 17:14:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 17:14:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 17:14:03,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 17:14:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 17:14:03,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 17:14:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 17:14:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 17:14:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 17:14:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 17:14:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 17:14:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 17:14:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 17:14:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 17:14:03,988 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 17:14:04,054 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 17:14:04,055 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 17:14:04,238 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 17:14:04,238 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 17:14:04,406 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 17:14:04,407 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-24 17:14:04,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:14:04 BoogieIcfgContainer [2025-04-24 17:14:04,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 17:14:04,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 17:14:04,410 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 17:14:04,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 17:14:04,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 05:14:03" (1/3) ... [2025-04-24 17:14:04,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bdbccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:14:04, skipping insertion in model container [2025-04-24 17:14:04,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:14:03" (2/3) ... [2025-04-24 17:14:04,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bdbccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:14:04, skipping insertion in model container [2025-04-24 17:14:04,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:14:04" (3/3) ... [2025-04-24 17:14:04,432 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2025-04-24 17:14:04,440 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 17:14:04,444 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-counter-queue2.wvr.c that has 3 procedures, 22 locations, 22 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-24 17:14:04,445 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 17:14:04,480 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-24 17:14:04,509 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:14:04,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 17:14:04,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:04,513 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 17:14:04,514 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 17:14:04,573 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 17:14:04,586 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 17:14:04,591 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;@35f4b8d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:14:04,592 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-24 17:14:04,639 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 17:14:04,639 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:04,639 INFO L139 ounterexampleChecker]: Examining path program with hash 377479451, occurence #1 [2025-04-24 17:14:04,639 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:14:04,639 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:04,643 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:04,644 INFO L85 PathProgramCache]: Analyzing trace with hash 183432635, now seen corresponding path program 1 times [2025-04-24 17:14:04,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:04,650 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700235552] [2025-04-24 17:14:04,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:04,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:04,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-24 17:14:04,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-24 17:14:04,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:04,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:05,058 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 17:14:05,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:05,058 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700235552] [2025-04-24 17:14:05,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700235552] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:14:05,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:14:05,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 17:14:05,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954436575] [2025-04-24 17:14:05,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:14:05,072 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 17:14:05,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:05,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 17:14:05,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-24 17:14:05,087 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:05,089 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:05,091 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 17:14:05,091 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:05,155 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:05,156 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 17:14:05,156 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 17:14:05,156 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:05,156 INFO L139 ounterexampleChecker]: Examining path program with hash -1450666323, occurence #1 [2025-04-24 17:14:05,157 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:14:05,157 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:05,157 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:05,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1035896460, now seen corresponding path program 1 times [2025-04-24 17:14:05,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:05,157 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101464127] [2025-04-24 17:14:05,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:05,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:05,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-24 17:14:05,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-24 17:14:05,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:05,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:05,214 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 17:14:05,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:05,215 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101464127] [2025-04-24 17:14:05,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101464127] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:14:05,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:14:05,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 17:14:05,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538638303] [2025-04-24 17:14:05,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:14:05,216 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 17:14:05,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:05,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 17:14:05,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 17:14:05,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:05,217 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:05,217 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 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 17:14:05,217 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:05,217 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:05,276 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:05,276 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:05,276 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 17:14:05,277 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 17:14:05,277 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:05,277 INFO L139 ounterexampleChecker]: Examining path program with hash -709878414, occurence #1 [2025-04-24 17:14:05,277 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:14:05,277 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:05,277 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:05,278 INFO L85 PathProgramCache]: Analyzing trace with hash -2118052000, now seen corresponding path program 1 times [2025-04-24 17:14:05,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:05,278 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884544829] [2025-04-24 17:14:05,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:05,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:05,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-24 17:14:05,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-24 17:14:05,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:05,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:05,410 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 17:14:05,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:05,410 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884544829] [2025-04-24 17:14:05,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884544829] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:14:05,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:14:05,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 17:14:05,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582547375] [2025-04-24 17:14:05,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:14:05,411 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 17:14:05,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:05,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 17:14:05,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-24 17:14:05,413 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:05,413 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:05,413 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 17:14:05,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:05,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:05,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:05,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:05,534 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:05,535 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:05,536 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 17:14:05,536 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 17:14:05,536 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:05,536 INFO L139 ounterexampleChecker]: Examining path program with hash 990888364, occurence #1 [2025-04-24 17:14:05,536 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:14:05,536 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:05,536 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:05,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1460150428, now seen corresponding path program 1 times [2025-04-24 17:14:05,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:05,536 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417243864] [2025-04-24 17:14:05,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:05,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:05,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-24 17:14:05,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-24 17:14:05,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:05,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:14:05,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:05,922 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417243864] [2025-04-24 17:14:05,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417243864] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:05,922 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118106384] [2025-04-24 17:14:05,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:05,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:05,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:05,926 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 17:14:05,927 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 17:14:05,965 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-24 17:14:05,981 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-24 17:14:05,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:05,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:05,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-24 17:14:05,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:14:06,090 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:06,141 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:14:06,142 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 14 [2025-04-24 17:14:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:14:06,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118106384] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:06,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:06,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2025-04-24 17:14:06,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885371308] [2025-04-24 17:14:06,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:06,185 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-24 17:14:06,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:06,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-24 17:14:06,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2025-04-24 17:14:06,186 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:06,186 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:06,186 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:14:06,186 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:06,186 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:06,186 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:06,186 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:06,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:06,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:06,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:06,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:06,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-24 17:14:06,559 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:06,560 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 17:14:06,560 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:06,560 INFO L139 ounterexampleChecker]: Examining path program with hash 990888364, occurence #2 [2025-04-24 17:14:06,560 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:06,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:06,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:06,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:14:06,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:06,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:14:06,563 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:06,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 17:14:06,564 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:06,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-24 17:14:06,564 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:06,564 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:06,564 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:06,566 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:06,566 INFO L85 PathProgramCache]: Analyzing trace with hash -255058463, now seen corresponding path program 2 times [2025-04-24 17:14:06,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:06,567 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792275257] [2025-04-24 17:14:06,567 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:14:06,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:06,635 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 27 statements into 2 equivalence classes. [2025-04-24 17:14:06,656 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-04-24 17:14:06,656 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:14:06,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:06,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:06,966 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792275257] [2025-04-24 17:14:06,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792275257] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:06,966 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065186628] [2025-04-24 17:14:06,966 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:14:06,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:06,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:06,971 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 17:14:06,972 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 17:14:07,061 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 27 statements into 2 equivalence classes. [2025-04-24 17:14:07,140 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-04-24 17:14:07,140 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:14:07,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:07,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:14:07,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:07,229 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:07,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:07,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065186628] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:07,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:07,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2025-04-24 17:14:07,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943582984] [2025-04-24 17:14:07,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:07,277 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-24 17:14:07,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:07,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-24 17:14:07,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-04-24 17:14:07,278 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:07,278 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:07,278 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 13 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:14:07,278 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:07,278 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:07,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:07,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:07,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:07,347 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:07,347 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:07,347 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:07,347 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:07,354 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 17:14:07,548 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:07,548 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 17:14:07,548 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:07,548 INFO L139 ounterexampleChecker]: Examining path program with hash 1731676273, occurence #1 [2025-04-24 17:14:07,549 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:14:07,549 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:07,550 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:07,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1154007240, now seen corresponding path program 3 times [2025-04-24 17:14:07,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:07,550 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233065586] [2025-04-24 17:14:07,550 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:14:07,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:07,559 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 2 equivalence classes. [2025-04-24 17:14:07,565 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-24 17:14:07,566 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 17:14:07,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:07,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:14:07,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:07,627 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233065586] [2025-04-24 17:14:07,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233065586] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:07,628 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048963719] [2025-04-24 17:14:07,628 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:14:07,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:07,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:07,630 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 17:14:07,632 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 17:14:07,665 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 2 equivalence classes. [2025-04-24 17:14:07,680 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-24 17:14:07,681 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 17:14:07,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:07,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:14:07,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:07,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:07,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:07,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048963719] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:07,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:07,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 15 [2025-04-24 17:14:07,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244449965] [2025-04-24 17:14:07,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:07,829 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-24 17:14:07,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:07,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-24 17:14:07,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2025-04-24 17:14:07,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:07,830 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:07,830 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 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 17:14:07,830 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:07,830 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:07,830 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:07,830 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:07,830 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:07,830 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:07,986 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:07,986 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:07,986 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:07,986 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:07,986 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:07,986 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:14:07,993 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 17:14:08,191 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:08,192 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 17:14:08,192 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:08,192 INFO L139 ounterexampleChecker]: Examining path program with hash 377479451, occurence #2 [2025-04-24 17:14:08,192 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:08,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:08,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:08,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-24 17:14:08,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:08,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:14:08,192 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:08,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 17:14:08,192 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:08,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 17:14:08,192 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:08,192 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:08,192 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:08,193 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:08,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1670411080, now seen corresponding path program 1 times [2025-04-24 17:14:08,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:08,193 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604141934] [2025-04-24 17:14:08,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:08,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:08,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-24 17:14:08,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-24 17:14:08,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:08,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:08,244 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 17:14:08,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:08,244 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604141934] [2025-04-24 17:14:08,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604141934] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:08,244 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123182322] [2025-04-24 17:14:08,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:08,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:08,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:08,247 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 17:14:08,248 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 17:14:08,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-24 17:14:08,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-24 17:14:08,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:08,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:08,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-24 17:14:08,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:08,327 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 17:14:08,327 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:08,353 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 17:14:08,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123182322] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:08,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:14:08,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2025-04-24 17:14:08,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758109572] [2025-04-24 17:14:08,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:14:08,354 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 17:14:08,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:08,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 17:14:08,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-04-24 17:14:08,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:08,355 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:08,355 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 17:14:08,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:08,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:08,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:08,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:08,355 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:08,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:14:08,356 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:08,468 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:08,468 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:08,468 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:08,468 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:08,468 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:08,468 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:14:08,468 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:08,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-24 17:14:08,669 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,SelfDestructingSolverStorable6 [2025-04-24 17:14:08,669 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 17:14:08,669 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:08,669 INFO L139 ounterexampleChecker]: Examining path program with hash 487059707, occurence #1 [2025-04-24 17:14:08,669 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:14:08,669 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:08,669 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:08,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1970668324, now seen corresponding path program 4 times [2025-04-24 17:14:08,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:08,669 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096691434] [2025-04-24 17:14:08,669 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:14:08,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:08,676 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 21 statements into 2 equivalence classes. [2025-04-24 17:14:08,689 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-04-24 17:14:08,689 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:14:08,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:09,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:09,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:09,015 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096691434] [2025-04-24 17:14:09,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096691434] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:09,015 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238430907] [2025-04-24 17:14:09,015 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:14:09,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:09,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:09,018 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 17:14:09,019 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 17:14:09,058 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 21 statements into 2 equivalence classes. [2025-04-24 17:14:09,073 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 21 of 21 statements. [2025-04-24 17:14:09,074 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:14:09,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:09,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-24 17:14:09,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:14:09,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:09,159 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:14:09,159 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 14 [2025-04-24 17:14:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:14:09,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238430907] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:09,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:09,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2025-04-24 17:14:09,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843812549] [2025-04-24 17:14:09,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:09,208 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-24 17:14:09,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:09,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-24 17:14:09,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2025-04-24 17:14:09,209 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:09,209 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:09,209 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.857142857142857) internal successors, (40), 13 states have internal predecessors, (40), 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 17:14:09,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:09,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:09,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:09,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:09,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:09,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:14:09,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:09,210 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:09,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:09,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:09,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:09,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:09,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:09,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:09,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:09,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:09,470 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 17:14:09,669 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:09,669 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 17:14:09,669 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:09,669 INFO L139 ounterexampleChecker]: Examining path program with hash 990888364, occurence #3 [2025-04-24 17:14:09,669 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:09,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:09,669 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:09,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-24 17:14:09,669 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:09,669 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:14:09,670 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:09,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:14:09,670 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:09,670 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 17:14:09,670 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:09,674 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:09,674 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:09,674 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:09,674 INFO L85 PathProgramCache]: Analyzing trace with hash -921838434, now seen corresponding path program 5 times [2025-04-24 17:14:09,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:09,674 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320216101] [2025-04-24 17:14:09,674 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:14:09,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:09,692 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 28 statements into 3 equivalence classes. [2025-04-24 17:14:09,735 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 17:14:09,735 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-24 17:14:09,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:14:10,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:10,130 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320216101] [2025-04-24 17:14:10,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320216101] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:10,130 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959051237] [2025-04-24 17:14:10,130 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:14:10,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:10,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:10,132 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 17:14:10,133 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 17:14:10,168 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 28 statements into 3 equivalence classes. [2025-04-24 17:14:10,187 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 17:14:10,187 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-24 17:14:10,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:10,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-04-24 17:14:10,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:10,334 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:14:10,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:10,442 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:14:10,442 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 45 [2025-04-24 17:14:10,530 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:14:10,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959051237] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:10,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:10,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 24 [2025-04-24 17:14:10,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365614636] [2025-04-24 17:14:10,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:10,531 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-24 17:14:10,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:10,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-24 17:14:10,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=511, Unknown=0, NotChecked=0, Total=600 [2025-04-24 17:14:10,532 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:10,532 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:10,532 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 24 states have internal predecessors, (58), 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 17:14:10,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:10,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:10,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:10,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:10,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:10,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:10,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:10,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:10,532 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:10,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:10,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:10,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:10,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:10,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:10,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:10,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:10,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:10,868 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:10,878 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 17:14:11,068 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-04-24 17:14:11,069 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 17:14:11,069 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:11,069 INFO L139 ounterexampleChecker]: Examining path program with hash 990888364, occurence #4 [2025-04-24 17:14:11,069 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:11,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:11,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:11,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-24 17:14:11,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:11,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:14:11,069 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:11,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:14:11,069 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:11,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 17:14:11,069 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:11,069 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:11,069 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:11,070 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:11,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1597906024, now seen corresponding path program 6 times [2025-04-24 17:14:11,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:11,070 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004808756] [2025-04-24 17:14:11,070 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:14:11,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:11,077 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 40 statements into 5 equivalence classes. [2025-04-24 17:14:11,091 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 34 of 40 statements. [2025-04-24 17:14:11,094 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-24 17:14:11,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:14:11,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:11,206 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004808756] [2025-04-24 17:14:11,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004808756] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:11,206 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341353372] [2025-04-24 17:14:11,206 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:14:11,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:11,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:11,208 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 17:14:11,210 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 17:14:11,252 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 40 statements into 5 equivalence classes. [2025-04-24 17:14:11,275 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 34 of 40 statements. [2025-04-24 17:14:11,275 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-24 17:14:11,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:11,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 17:14:11,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:14:11,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:14:11,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341353372] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:11,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:11,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2025-04-24 17:14:11,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550299753] [2025-04-24 17:14:11,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:11,437 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-24 17:14:11,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:11,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-24 17:14:11,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2025-04-24 17:14:11,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:11,438 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:11,438 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 18 states have internal predecessors, (69), 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 17:14:11,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:11,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:11,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:11,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:11,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:11,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:11,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:11,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:11,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:11,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:11,544 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:11,544 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:11,544 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:11,544 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:11,544 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:11,544 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:11,544 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:11,544 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:11,544 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:11,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:11,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-24 17:14:11,745 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:11,745 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 17:14:11,745 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:11,745 INFO L139 ounterexampleChecker]: Examining path program with hash 1731676273, occurence #2 [2025-04-24 17:14:11,745 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:11,745 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:11,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:11,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-24 17:14:11,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:11,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:14:11,746 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:11,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:14:11,746 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:11,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-24 17:14:11,746 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:11,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 17:14:11,746 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:11,746 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:11,746 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:11,746 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:11,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1534530570, now seen corresponding path program 7 times [2025-04-24 17:14:11,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:11,746 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222103897] [2025-04-24 17:14:11,746 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:14:11,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:11,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-24 17:14:11,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-24 17:14:11,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:11,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:11,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:11,851 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222103897] [2025-04-24 17:14:11,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222103897] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:11,851 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062015348] [2025-04-24 17:14:11,851 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:14:11,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:11,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:11,853 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 17:14:11,855 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 17:14:11,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-24 17:14:11,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-24 17:14:11,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:11,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:11,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 17:14:11,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:12,000 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:12,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062015348] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:12,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:12,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2025-04-24 17:14:12,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897372710] [2025-04-24 17:14:12,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:12,068 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-24 17:14:12,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:12,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-24 17:14:12,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2025-04-24 17:14:12,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:12,069 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:12,069 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 18 states have internal predecessors, (64), 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 17:14:12,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:12,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:12,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:12,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:12,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:12,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:12,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:12,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,070 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:12,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:12,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:12,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:12,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:12,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:12,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:12,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:12,197 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,198 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,204 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 17:14:12,400 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:12,401 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 17:14:12,401 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:12,401 INFO L139 ounterexampleChecker]: Examining path program with hash 974457707, occurence #1 [2025-04-24 17:14:12,401 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:14:12,401 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:12,401 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:12,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1665589258, now seen corresponding path program 8 times [2025-04-24 17:14:12,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:12,401 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784903506] [2025-04-24 17:14:12,401 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:14:12,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:12,406 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 25 statements into 2 equivalence classes. [2025-04-24 17:14:12,410 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 25 of 25 statements. [2025-04-24 17:14:12,411 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:14:12,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:12,463 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:12,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:12,464 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784903506] [2025-04-24 17:14:12,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784903506] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:12,464 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280389548] [2025-04-24 17:14:12,464 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:14:12,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:12,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:12,466 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 17:14:12,467 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 17:14:12,504 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 25 statements into 2 equivalence classes. [2025-04-24 17:14:12,527 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 25 of 25 statements. [2025-04-24 17:14:12,527 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:14:12,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:12,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:14:12,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:12,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:12,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280389548] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:12,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:12,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2025-04-24 17:14:12,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343501330] [2025-04-24 17:14:12,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:12,645 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-24 17:14:12,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:12,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-24 17:14:12,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2025-04-24 17:14:12,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:12,646 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:12,646 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 13 states have internal predecessors, (51), 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 17:14:12,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:12,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:12,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:12,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:12,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:12,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:12,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:12,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,646 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:12,843 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:12,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:12,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:12,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:12,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:12,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:12,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:12,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:12,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:12,851 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 17:14:13,045 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-04-24 17:14:13,045 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:13,045 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:13,045 INFO L139 ounterexampleChecker]: Examining path program with hash -378225749, occurence #1 [2025-04-24 17:14:13,045 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:14:13,046 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:13,046 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:13,046 INFO L85 PathProgramCache]: Analyzing trace with hash -57689890, now seen corresponding path program 9 times [2025-04-24 17:14:13,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:13,046 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731597554] [2025-04-24 17:14:13,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:14:13,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:13,051 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 28 statements into 3 equivalence classes. [2025-04-24 17:14:13,066 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 17:14:13,066 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 17:14:13,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:13,690 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 17:14:13,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:13,690 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731597554] [2025-04-24 17:14:13,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731597554] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:13,690 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338832763] [2025-04-24 17:14:13,691 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:14:13,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:13,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:13,692 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 17:14:13,694 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 17:14:13,730 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 28 statements into 3 equivalence classes. [2025-04-24 17:14:13,749 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 17:14:13,749 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 17:14:13,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:13,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-04-24 17:14:13,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:14,196 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:14:14,197 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 14 [2025-04-24 17:14:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:14:14,326 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:14,524 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:14:14,525 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 14 [2025-04-24 17:14:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:14:14,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338832763] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:14,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:14,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 13] total 40 [2025-04-24 17:14:14,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511120831] [2025-04-24 17:14:14,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:14,591 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-04-24 17:14:14,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:14,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-04-24 17:14:14,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1320, Unknown=0, NotChecked=0, Total=1640 [2025-04-24 17:14:14,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:14,592 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:14,593 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.9024390243902438) internal successors, (78), 40 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:14,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:16,262 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:16,262 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:16,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:16,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:16,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:16,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:16,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:16,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:16,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:16,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:16,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:16,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:16,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 17:14:16,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-24 17:14:16,463 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:16,464 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:16,464 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:16,464 INFO L139 ounterexampleChecker]: Examining path program with hash -1353652242, occurence #1 [2025-04-24 17:14:16,464 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:14:16,464 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:16,464 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:16,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1205671842, now seen corresponding path program 10 times [2025-04-24 17:14:16,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:16,464 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783460297] [2025-04-24 17:14:16,464 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:14:16,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:16,470 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 28 statements into 2 equivalence classes. [2025-04-24 17:14:16,478 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 17:14:16,479 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:14:16,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:17,004 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:17,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:17,004 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783460297] [2025-04-24 17:14:17,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783460297] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:17,004 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040372393] [2025-04-24 17:14:17,004 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:14:17,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:17,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:17,007 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:14:17,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-24 17:14:17,047 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 28 statements into 2 equivalence classes. [2025-04-24 17:14:17,062 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 17:14:17,062 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:14:17,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:17,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-24 17:14:17,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:17,226 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:14:17,227 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:17,365 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:14:17,365 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 45 [2025-04-24 17:14:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:14:17,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040372393] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:17,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:17,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 27 [2025-04-24 17:14:17,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568997] [2025-04-24 17:14:17,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:17,430 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-04-24 17:14:17,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:17,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-04-24 17:14:17,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2025-04-24 17:14:17,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:17,430 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:17,430 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.1785714285714284) internal successors, (61), 27 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:14:17,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:17,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:17,430 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:17,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:17,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:17,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:17,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:17,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:17,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:17,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:17,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:17,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:17,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 17:14:17,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:18,553 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:18,553 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:18,553 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:18,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:18,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:18,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:18,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:18,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:18,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:18,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:18,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:18,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:18,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:14:18,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:14:18,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-04-24 17:14:18,754 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-04-24 17:14:18,755 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:18,755 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:18,755 INFO L139 ounterexampleChecker]: Examining path program with hash -378225749, occurence #2 [2025-04-24 17:14:18,755 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:18,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:18,755 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:18,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-24 17:14:18,755 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:18,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:14:18,755 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:18,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:14:18,755 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:18,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 17:14:18,770 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:18,770 INFO L85 PathProgramCache]: Analyzing trace with hash 341899061, now seen corresponding path program 1 times [2025-04-24 17:14:18,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:14:18,771 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575131415] [2025-04-24 17:14:18,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:18,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:18,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-24 17:14:18,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-24 17:14:18,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:18,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:14:18,780 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:14:18,780 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:14:18,780 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 17:14:18,780 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:18,780 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:18,780 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:18,781 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:18,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1404466978, now seen corresponding path program 11 times [2025-04-24 17:14:18,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:18,781 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304492643] [2025-04-24 17:14:18,781 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:14:18,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:18,786 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 28 statements into 3 equivalence classes. [2025-04-24 17:14:18,793 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 17:14:18,793 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-24 17:14:18,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:19,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:14:19,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:19,041 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304492643] [2025-04-24 17:14:19,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304492643] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:19,041 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746988025] [2025-04-24 17:14:19,041 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:14:19,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:19,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:19,043 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:14:19,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-24 17:14:19,084 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 28 statements into 3 equivalence classes. [2025-04-24 17:14:19,101 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 17:14:19,102 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-24 17:14:19,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:19,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-04-24 17:14:19,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:14:19,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:19,322 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:14:19,323 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 45 [2025-04-24 17:14:19,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:14:19,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746988025] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:19,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:19,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 9] total 22 [2025-04-24 17:14:19,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202621339] [2025-04-24 17:14:19,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:19,389 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-04-24 17:14:19,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:19,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-04-24 17:14:19,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2025-04-24 17:14:19,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:19,390 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:19,390 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.5217391304347827) internal successors, (58), 22 states have internal predecessors, (58), 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 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:14:19,390 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:19,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:19,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:19,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:19,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:19,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:19,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:19,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:19,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:19,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:19,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:19,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:19,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:19,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-24 17:14:19,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:14:19,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:19,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-04-24 17:14:20,049 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2025-04-24 17:14:20,053 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:20,053 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:20,053 INFO L139 ounterexampleChecker]: Examining path program with hash 487059707, occurence #2 [2025-04-24 17:14:20,053 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:20,053 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:20,053 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:20,053 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-24 17:14:20,053 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:20,053 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:14:20,053 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:20,053 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:14:20,053 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:20,053 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 17:14:20,064 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:20,064 INFO L85 PathProgramCache]: Analyzing trace with hash 341899076, now seen corresponding path program 1 times [2025-04-24 17:14:20,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:14:20,067 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042470788] [2025-04-24 17:14:20,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:20,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:20,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-24 17:14:20,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-24 17:14:20,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:20,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:14:20,077 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:14:20,077 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:14:20,078 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 18 is hopeless, skipping. [2025-04-24 17:14:20,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 17:14:20,078 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:20,078 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:20,078 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:20,078 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:20,078 INFO L85 PathProgramCache]: Analyzing trace with hash -540318434, now seen corresponding path program 12 times [2025-04-24 17:14:20,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:20,078 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49076376] [2025-04-24 17:14:20,078 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:14:20,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:20,084 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 28 statements into 3 equivalence classes. [2025-04-24 17:14:20,103 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 17:14:20,103 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-24 17:14:20,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:20,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:20,444 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49076376] [2025-04-24 17:14:20,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49076376] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:20,444 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855644173] [2025-04-24 17:14:20,444 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:14:20,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:20,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:20,446 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:14:20,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-24 17:14:20,486 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 28 statements into 3 equivalence classes. [2025-04-24 17:14:20,502 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 17:14:20,502 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-24 17:14:20,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:20,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-04-24 17:14:20,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:20,611 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:14:20,611 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:20,706 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:14:20,706 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 45 [2025-04-24 17:14:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:14:20,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855644173] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:20,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:20,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 9] total 22 [2025-04-24 17:14:20,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165732026] [2025-04-24 17:14:20,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:20,801 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-04-24 17:14:20,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:20,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-04-24 17:14:20,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2025-04-24 17:14:20,803 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:20,803 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:20,803 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.391304347826087) internal successors, (55), 22 states have internal predecessors, (55), 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 17:14:20,803 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:20,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:20,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:20,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:20,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:20,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:20,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:20,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:20,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:20,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:20,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:20,804 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:20,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-24 17:14:20,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:14:20,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:20,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:21,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:21,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:21,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:21,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:21,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:21,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:21,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:21,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:21,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:21,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:21,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:21,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:21,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:14:21,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:14:21,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:21,329 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:21,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-04-24 17:14:21,529 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-24 17:14:21,530 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:21,530 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:21,530 INFO L139 ounterexampleChecker]: Examining path program with hash -1979749973, occurence #1 [2025-04-24 17:14:21,530 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:14:21,530 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:21,530 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:21,530 INFO L85 PathProgramCache]: Analyzing trace with hash 419750462, now seen corresponding path program 13 times [2025-04-24 17:14:21,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:21,530 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520288574] [2025-04-24 17:14:21,530 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:14:21,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:21,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-24 17:14:21,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 17:14:21,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:21,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:21,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:21,987 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520288574] [2025-04-24 17:14:21,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520288574] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:21,987 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003744945] [2025-04-24 17:14:21,987 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:14:21,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:21,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:21,989 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:14:21,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-24 17:14:22,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-24 17:14:22,041 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-24 17:14:22,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:22,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:22,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-24 17:14:22,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:22,190 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:14:22,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:22,326 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:14:22,326 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 45 [2025-04-24 17:14:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:14:22,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003744945] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:22,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:22,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 28 [2025-04-24 17:14:22,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73474650] [2025-04-24 17:14:22,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:22,385 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-04-24 17:14:22,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:22,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-04-24 17:14:22,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2025-04-24 17:14:22,386 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:22,386 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:22,386 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.1724137931034484) internal successors, (63), 28 states have internal predecessors, (63), 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 17:14:22,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:22,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:22,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:22,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:22,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:22,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:22,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:22,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:22,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:22,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:22,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:22,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:22,387 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-24 17:14:22,387 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:14:22,387 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:22,387 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:22,387 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:23,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:23,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-24 17:14:24,097 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:24,097 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:24,097 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:24,097 INFO L139 ounterexampleChecker]: Examining path program with hash 990888364, occurence #5 [2025-04-24 17:14:24,097 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:24,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:24,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:24,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:14:24,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:24,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:14:24,097 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:24,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:14:24,097 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:24,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 17:14:24,098 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:24,098 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:24,098 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:24,098 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:24,098 INFO L85 PathProgramCache]: Analyzing trace with hash 352254155, now seen corresponding path program 14 times [2025-04-24 17:14:24,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:24,098 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087490192] [2025-04-24 17:14:24,098 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:14:24,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:24,103 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 41 statements into 2 equivalence classes. [2025-04-24 17:14:24,111 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 41 of 41 statements. [2025-04-24 17:14:24,111 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:14:24,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:24,212 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 33 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:24,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:24,212 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087490192] [2025-04-24 17:14:24,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087490192] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:24,213 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051880668] [2025-04-24 17:14:24,213 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:14:24,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:24,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:24,215 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:14:24,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-24 17:14:24,258 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 41 statements into 2 equivalence classes. [2025-04-24 17:14:24,277 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 41 of 41 statements. [2025-04-24 17:14:24,277 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:14:24,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:24,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-24 17:14:24,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:24,398 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 40 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:24,398 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 40 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:24,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051880668] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:24,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:24,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2025-04-24 17:14:24,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869238900] [2025-04-24 17:14:24,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:24,496 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-04-24 17:14:24,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:24,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-04-24 17:14:24,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2025-04-24 17:14:24,497 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:24,497 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:24,497 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.4583333333333335) internal successors, (83), 23 states have internal predecessors, (83), 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 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:24,497 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:24,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:24,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:24,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:24,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-24 17:14:24,837 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:24,839 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:24,839 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:24,839 INFO L139 ounterexampleChecker]: Examining path program with hash 1731676273, occurence #3 [2025-04-24 17:14:24,839 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:24,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:24,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:24,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:14:24,839 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:24,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:14:24,839 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:24,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:14:24,839 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:24,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 17:14:24,840 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:24,840 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 17:14:24,840 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:24,840 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:24,840 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:24,840 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:24,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1501191310, now seen corresponding path program 15 times [2025-04-24 17:14:24,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:24,840 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383345272] [2025-04-24 17:14:24,840 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:14:24,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:24,846 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 38 statements into 4 equivalence classes. [2025-04-24 17:14:24,879 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 38 of 38 statements. [2025-04-24 17:14:24,879 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 17:14:24,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:25,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:25,006 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383345272] [2025-04-24 17:14:25,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383345272] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:25,006 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35243962] [2025-04-24 17:14:25,006 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:14:25,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:25,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:25,008 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:14:25,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-24 17:14:25,054 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 38 statements into 4 equivalence classes. [2025-04-24 17:14:25,079 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 38 of 38 statements. [2025-04-24 17:14:25,079 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 17:14:25,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:25,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-24 17:14:25,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:25,214 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:25,214 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:25,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35243962] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:25,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:25,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2025-04-24 17:14:25,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893921115] [2025-04-24 17:14:25,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:25,305 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-04-24 17:14:25,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:25,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-04-24 17:14:25,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2025-04-24 17:14:25,306 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:25,306 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:25,306 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.2916666666666665) internal successors, (79), 23 states have internal predecessors, (79), 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 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:25,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:25,451 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:25,451 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:25,451 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:25,451 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:25,451 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:25,451 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:25,452 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:25,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-04-24 17:14:25,656 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:25,656 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:25,656 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:25,656 INFO L139 ounterexampleChecker]: Examining path program with hash 974457707, occurence #2 [2025-04-24 17:14:25,656 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:25,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:25,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:25,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:14:25,656 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:25,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:14:25,656 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:25,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:14:25,656 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:25,656 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 17:14:25,656 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:25,656 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:25,656 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:25,657 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:25,657 INFO L85 PathProgramCache]: Analyzing trace with hash 2102452878, now seen corresponding path program 16 times [2025-04-24 17:14:25,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:25,657 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686532591] [2025-04-24 17:14:25,657 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:14:25,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:25,661 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 32 statements into 2 equivalence classes. [2025-04-24 17:14:25,662 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 23 of 32 statements. [2025-04-24 17:14:25,662 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:14:25,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:25,690 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-04-24 17:14:25,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:25,690 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686532591] [2025-04-24 17:14:25,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686532591] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:25,691 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700857306] [2025-04-24 17:14:25,691 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:14:25,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:25,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:25,693 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:14:25,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-24 17:14:25,738 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 32 statements into 2 equivalence classes. [2025-04-24 17:14:25,744 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 23 of 32 statements. [2025-04-24 17:14:25,744 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:14:25,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:25,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:14:25,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:14:25,813 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-04-24 17:14:25,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700857306] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:25,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:25,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 12 [2025-04-24 17:14:25,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570617408] [2025-04-24 17:14:25,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:25,855 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-24 17:14:25,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:25,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-24 17:14:25,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-04-24 17:14:25,856 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:25,856 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:25,856 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:25,856 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:26,111 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:26,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:26,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:26,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:26,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:26,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:26,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:26,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:26,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:26,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:26,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:26,112 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:26,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:26,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:26,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:26,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:26,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:26,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:26,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:26,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:26,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-04-24 17:14:26,313 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-04-24 17:14:26,314 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:26,314 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:26,314 INFO L139 ounterexampleChecker]: Examining path program with hash -378225749, occurence #3 [2025-04-24 17:14:26,314 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:26,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:26,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:26,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:14:26,314 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:26,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:14:26,314 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:26,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:14:26,314 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:26,314 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 17:14:26,322 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:26,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1300408052, now seen corresponding path program 1 times [2025-04-24 17:14:26,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:14:26,322 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867153153] [2025-04-24 17:14:26,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:26,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:26,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-24 17:14:26,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-24 17:14:26,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:26,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:14:26,335 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:14:26,335 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:14:26,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 17:14:26,335 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:26,335 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:26,335 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:26,335 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:26,336 INFO L85 PathProgramCache]: Analyzing trace with hash 420335430, now seen corresponding path program 17 times [2025-04-24 17:14:26,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:26,336 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155347035] [2025-04-24 17:14:26,336 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:14:26,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:26,350 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 35 statements into 4 equivalence classes. [2025-04-24 17:14:26,361 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:14:26,364 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 17:14:26,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:26,779 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:26,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:26,780 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155347035] [2025-04-24 17:14:26,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155347035] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:26,780 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945884926] [2025-04-24 17:14:26,780 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:14:26,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:26,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:26,782 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:14:26,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-24 17:14:26,827 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 35 statements into 4 equivalence classes. [2025-04-24 17:14:26,846 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:14:26,846 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 17:14:26,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:26,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-04-24 17:14:26,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:14:27,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:27,247 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:14:27,247 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 95 [2025-04-24 17:14:27,361 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 17:14:27,361 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2025-04-24 17:14:27,376 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 17:14:27,377 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2025-04-24 17:14:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:14:27,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945884926] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:27,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:27,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 31 [2025-04-24 17:14:27,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913615129] [2025-04-24 17:14:27,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:27,417 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-04-24 17:14:27,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:27,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-04-24 17:14:27,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=874, Unknown=0, NotChecked=0, Total=992 [2025-04-24 17:14:27,418 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:27,418 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:27,418 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.96875) internal successors, (63), 31 states have internal predecessors, (63), 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 17:14:27,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:27,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:27,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:27,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:27,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:27,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:27,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:27,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:27,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:27,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:27,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:27,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:27,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:27,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:27,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:27,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:27,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:27,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:27,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:27,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:27,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:27,902 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:27,902 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:27,902 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:27,902 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:27,902 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:27,902 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:27,902 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:27,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:27,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-24 17:14:28,103 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:28,104 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:28,104 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:28,104 INFO L139 ounterexampleChecker]: Examining path program with hash 1731676273, occurence #4 [2025-04-24 17:14:28,104 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:14:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:14:28,104 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:14:28,104 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 17:14:28,104 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:28,104 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 17:14:28,104 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:28,104 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:28,104 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:28,104 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:28,105 INFO L85 PathProgramCache]: Analyzing trace with hash -199031757, now seen corresponding path program 18 times [2025-04-24 17:14:28,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:28,105 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196959158] [2025-04-24 17:14:28,105 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:14:28,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:28,109 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 32 statements into 3 equivalence classes. [2025-04-24 17:14:28,114 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 32 of 32 statements. [2025-04-24 17:14:28,114 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-24 17:14:28,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:28,177 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:14:28,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:28,177 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196959158] [2025-04-24 17:14:28,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196959158] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:28,177 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473949458] [2025-04-24 17:14:28,177 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:14:28,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:28,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:28,179 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:14:28,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-24 17:14:28,223 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 32 statements into 3 equivalence classes. [2025-04-24 17:14:28,239 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 32 of 32 statements. [2025-04-24 17:14:28,239 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-24 17:14:28,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:28,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 17:14:28,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:14:28,326 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:28,396 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:14:28,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473949458] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:28,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:28,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2025-04-24 17:14:28,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944893801] [2025-04-24 17:14:28,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:28,397 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-24 17:14:28,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:28,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-24 17:14:28,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2025-04-24 17:14:28,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:28,398 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:28,398 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 18 states have internal predecessors, (66), 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 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:28,398 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:28,629 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:28,629 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:28,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:28,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:28,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:28,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:14:28,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-04-24 17:14:28,831 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-04-24 17:14:28,831 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:28,832 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:28,832 INFO L139 ounterexampleChecker]: Examining path program with hash -1353652242, occurence #2 [2025-04-24 17:14:28,832 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:28,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:28,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:28,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:14:28,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:28,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:14:28,832 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:28,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:14:28,832 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:28,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 17:14:28,842 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:28,842 INFO L85 PathProgramCache]: Analyzing trace with hash 2064701627, now seen corresponding path program 1 times [2025-04-24 17:14:28,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:14:28,843 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632028079] [2025-04-24 17:14:28,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:28,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:28,849 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-04-24 17:14:28,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-04-24 17:14:28,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:28,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:14:28,860 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:14:28,860 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:14:28,860 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 17:14:28,861 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:28,861 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:28,861 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:28,861 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:28,861 INFO L85 PathProgramCache]: Analyzing trace with hash -727646522, now seen corresponding path program 19 times [2025-04-24 17:14:28,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:28,861 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508227100] [2025-04-24 17:14:28,861 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:14:28,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:28,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-24 17:14:28,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:14:28,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:28,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:29,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:29,560 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508227100] [2025-04-24 17:14:29,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508227100] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:29,560 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253418291] [2025-04-24 17:14:29,560 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:14:29,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:29,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:29,562 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:14:29,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-24 17:14:29,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-24 17:14:29,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:14:29,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:29,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:29,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-24 17:14:29,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:14:29,890 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:30,211 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:14:30,211 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 95 [2025-04-24 17:14:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:14:30,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253418291] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:30,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:30,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 13, 13] total 41 [2025-04-24 17:14:30,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039484841] [2025-04-24 17:14:30,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:30,322 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-04-24 17:14:30,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:30,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-04-24 17:14:30,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1548, Unknown=0, NotChecked=0, Total=1722 [2025-04-24 17:14:30,322 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:30,322 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:30,323 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 1.9523809523809523) internal successors, (82), 41 states have internal predecessors, (82), 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 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:14:30,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:31,993 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:14:31,994 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-24 17:14:31,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-24 17:14:32,194 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26 [2025-04-24 17:14:32,194 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:32,194 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:32,194 INFO L139 ounterexampleChecker]: Examining path program with hash -378225749, occurence #4 [2025-04-24 17:14:32,194 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:32,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:32,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:32,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:14:32,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:32,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:14:32,195 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:32,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:14:32,195 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:32,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 17:14:32,201 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:32,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1834344021, now seen corresponding path program 1 times [2025-04-24 17:14:32,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:14:32,201 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789447155] [2025-04-24 17:14:32,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:32,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:32,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-24 17:14:32,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-24 17:14:32,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:32,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:14:32,210 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:14:32,210 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:14:32,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 17:14:32,211 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:32,211 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:32,211 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:32,211 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:32,211 INFO L85 PathProgramCache]: Analyzing trace with hash -926441658, now seen corresponding path program 20 times [2025-04-24 17:14:32,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:32,211 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399640942] [2025-04-24 17:14:32,211 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:14:32,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:32,216 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 35 statements into 2 equivalence classes. [2025-04-24 17:14:32,226 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:14:32,227 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:14:32,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:33,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:33,093 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399640942] [2025-04-24 17:14:33,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399640942] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:33,093 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008111637] [2025-04-24 17:14:33,093 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:14:33,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:33,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:33,095 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:14:33,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-24 17:14:33,137 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 35 statements into 2 equivalence classes. [2025-04-24 17:14:33,152 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:14:33,152 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:14:33,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:33,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-24 17:14:33,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:14:33,363 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:33,604 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:14:33,604 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 95 [2025-04-24 17:14:33,755 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:14:33,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008111637] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:33,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:33,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 12, 13] total 40 [2025-04-24 17:14:33,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279190285] [2025-04-24 17:14:33,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:33,757 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-04-24 17:14:33,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:33,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-04-24 17:14:33,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1459, Unknown=0, NotChecked=0, Total=1640 [2025-04-24 17:14:33,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:33,758 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:33,758 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.0) internal successors, (82), 40 states have internal predecessors, (82), 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 17:14:33,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:33,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:33,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:33,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:33,758 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-24 17:14:33,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:14:35,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-24 17:14:35,457 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 17:14:35,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-04-24 17:14:35,657 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2025-04-24 17:14:35,658 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:14:35,658 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:35,658 INFO L139 ounterexampleChecker]: Examining path program with hash -378225749, occurence #5 [2025-04-24 17:14:35,658 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:14:35,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:14:35,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:35,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:14:35,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:35,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:14:35,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:35,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:14:35,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:35,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 17:14:35,665 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:35,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1834344040, now seen corresponding path program 1 times [2025-04-24 17:14:35,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:14:35,665 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225510216] [2025-04-24 17:14:35,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:35,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:35,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-24 17:14:35,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-24 17:14:35,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:35,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:14:35,674 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:14:35,674 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:14:35,674 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-04-24 17:14:35,674 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 17:14:35,674 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:35,674 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:35,674 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:35,674 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:35,674 INFO L85 PathProgramCache]: Analyzing trace with hash -62293114, now seen corresponding path program 21 times [2025-04-24 17:14:35,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:35,674 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379330229] [2025-04-24 17:14:35,674 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:14:35,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:35,679 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 4 equivalence classes. [2025-04-24 17:14:35,691 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:14:35,691 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 17:14:35,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:36,533 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:36,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:36,533 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379330229] [2025-04-24 17:14:36,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379330229] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:36,533 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985098854] [2025-04-24 17:14:36,533 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:14:36,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:36,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:36,535 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:14:36,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-04-24 17:14:36,580 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 4 equivalence classes. [2025-04-24 17:14:36,600 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:14:36,600 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 17:14:36,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:36,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-04-24 17:14:36,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:36,684 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 17:14:37,146 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:37,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:14:43,389 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 59 [2025-04-24 17:14:43,419 INFO L325 Elim1Store]: treesize reduction 16, result has 62.8 percent of original size [2025-04-24 17:14:43,419 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 450 treesize of output 292 [2025-04-24 17:14:44,008 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:44,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985098854] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:14:44,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:14:44,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 20, 20] total 60 [2025-04-24 17:14:44,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493870296] [2025-04-24 17:14:44,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:14:44,009 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2025-04-24 17:14:44,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:14:44,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2025-04-24 17:14:44,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=3179, Unknown=1, NotChecked=0, Total=3660 [2025-04-24 17:14:44,012 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:44,013 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:14:44,013 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.540983606557377) internal successors, (94), 60 states have internal predecessors, (94), 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 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 17:14:44,013 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:56,315 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:14:59,160 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:15:03,173 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:15:04,279 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:15:08,291 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:15:12,302 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:15:28,606 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:15:32,635 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:15:36,650 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:15:40,664 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:15:57,155 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:16:01,185 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:16:15,550 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:16:20,779 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:16:24,790 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:16:26,885 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:16:33,821 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:16:38,352 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:16:42,364 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:16:46,394 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:16:50,408 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:17:02,414 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:17:07,324 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:17:11,340 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:17:15,467 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:17:39,735 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:17:43,750 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:17:47,763 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:17:51,083 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:17:53,396 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:17:57,411 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:18:01,430 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:18:05,445 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:18:09,582 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:18:14,695 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:18:27,016 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:18:45,824 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:18:49,837 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:19:00,537 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:19:14,872 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:19:18,884 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:19:32,996 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:19:37,014 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:20:02,572 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:20:07,819 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:20:12,120 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:20:16,139 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:20:20,756 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:20:25,651 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:20:33,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-24 17:20:33,679 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2025-04-24 17:20:33,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-04-24 17:20:33,879 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-04-24 17:20:33,879 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:20:33,879 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:20:33,880 INFO L139 ounterexampleChecker]: Examining path program with hash 1202845917, occurence #1 [2025-04-24 17:20:33,880 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:20:33,880 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:20:33,880 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:20:33,880 INFO L85 PathProgramCache]: Analyzing trace with hash 897775782, now seen corresponding path program 22 times [2025-04-24 17:20:33,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:20:33,880 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088234940] [2025-04-24 17:20:33,880 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:20:33,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:20:33,886 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 35 statements into 2 equivalence classes. [2025-04-24 17:20:33,894 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:20:33,895 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:20:33,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:20:34,843 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:20:34,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:20:34,843 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088234940] [2025-04-24 17:20:34,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088234940] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:20:34,843 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129048996] [2025-04-24 17:20:34,843 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:20:34,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:20:34,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:20:34,845 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:20:34,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-04-24 17:20:34,891 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 35 statements into 2 equivalence classes. [2025-04-24 17:20:34,906 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:20:34,907 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:20:34,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:20:34,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-24 17:20:34,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:20:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:20:35,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:20:35,885 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:20:35,885 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 95 [2025-04-24 17:20:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:20:36,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129048996] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:20:36,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:20:36,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13, 13] total 42 [2025-04-24 17:20:36,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947841965] [2025-04-24 17:20:36,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:20:36,324 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-04-24 17:20:36,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:20:36,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-04-24 17:20:36,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1667, Unknown=0, NotChecked=0, Total=1806 [2025-04-24 17:20:36,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:20:36,324 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:20:36,325 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.930232558139535) internal successors, (83), 42 states have internal predecessors, (83), 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 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2025-04-24 17:20:36,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:20:43,558 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:20:44,681 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:20:56,231 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:21:00,242 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:21:02,937 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:21:03,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:03,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-04-24 17:21:03,549 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-24 17:21:03,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-04-24 17:21:03,749 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:21:03,750 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:21:03,750 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:21:03,750 INFO L139 ounterexampleChecker]: Examining path program with hash -1353652242, occurence #3 [2025-04-24 17:21:03,750 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:21:03,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:21:03,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:03,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:21:03,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:03,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:21:03,750 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:03,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:21:03,750 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:03,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 17:21:03,759 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:21:03,759 INFO L85 PathProgramCache]: Analyzing trace with hash -965444585, now seen corresponding path program 1 times [2025-04-24 17:21:03,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:21:03,759 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368763544] [2025-04-24 17:21:03,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:21:03,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:21:03,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-24 17:21:03,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-24 17:21:03,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:21:03,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:21:03,767 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:21:03,767 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:21:03,768 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 17:21:03,768 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:03,768 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:21:03,768 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:21:03,768 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:21:03,768 INFO L85 PathProgramCache]: Analyzing trace with hash 35204806, now seen corresponding path program 23 times [2025-04-24 17:21:03,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:21:03,768 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139751713] [2025-04-24 17:21:03,768 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:21:03,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:21:03,772 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 35 statements into 4 equivalence classes. [2025-04-24 17:21:03,783 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:21:03,783 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 17:21:03,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:21:04,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:21:04,477 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139751713] [2025-04-24 17:21:04,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139751713] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:21:04,477 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746178809] [2025-04-24 17:21:04,477 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:21:04,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:21:04,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:21:04,479 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:21:04,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-04-24 17:21:04,526 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 35 statements into 4 equivalence classes. [2025-04-24 17:21:04,543 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:21:04,543 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 17:21:04,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:04,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 45 conjuncts are in the unsatisfiable core [2025-04-24 17:21:04,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:21:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:21:04,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:21:05,323 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:21:05,323 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 95 [2025-04-24 17:21:05,609 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:21:05,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746178809] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:21:05,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:21:05,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 13] total 35 [2025-04-24 17:21:05,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626880370] [2025-04-24 17:21:05,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:21:05,610 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-04-24 17:21:05,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:21:05,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-04-24 17:21:05,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1138, Unknown=0, NotChecked=0, Total=1260 [2025-04-24 17:21:05,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:05,611 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:21:05,611 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.0) internal successors, (72), 35 states have internal predecessors, (72), 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 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-24 17:21:05,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:06,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:06,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:21:06,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:06,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-24 17:21:06,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-24 17:21:06,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-04-24 17:21:06,865 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33 [2025-04-24 17:21:06,865 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:21:06,865 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:21:06,865 INFO L139 ounterexampleChecker]: Examining path program with hash 1572200941, occurence #1 [2025-04-24 17:21:06,865 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:21:06,865 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:21:06,865 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:21:06,865 INFO L85 PathProgramCache]: Analyzing trace with hash 899353350, now seen corresponding path program 24 times [2025-04-24 17:21:06,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:21:06,865 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302683929] [2025-04-24 17:21:06,866 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:21:06,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:21:06,870 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 35 statements into 4 equivalence classes. [2025-04-24 17:21:06,882 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:21:06,882 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-24 17:21:06,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:21:07,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:21:07,809 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302683929] [2025-04-24 17:21:07,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302683929] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:21:07,809 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286395368] [2025-04-24 17:21:07,809 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:21:07,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:21:07,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:21:07,811 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:21:07,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-04-24 17:21:07,856 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 35 statements into 4 equivalence classes. [2025-04-24 17:21:07,874 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:21:07,874 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-24 17:21:07,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:07,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-04-24 17:21:07,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:21:08,457 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:21:08,458 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2025-04-24 17:21:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:21:08,561 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:21:09,093 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:21:09,093 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 117 [2025-04-24 17:21:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:21:09,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286395368] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:21:09,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:21:09,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 20, 21] total 61 [2025-04-24 17:21:09,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74009639] [2025-04-24 17:21:09,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:21:09,839 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-04-24 17:21:09,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:21:09,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-04-24 17:21:09,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=3310, Unknown=0, NotChecked=0, Total=3782 [2025-04-24 17:21:09,840 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:09,840 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:21:09,840 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 1.564516129032258) internal successors, (97), 61 states have internal predecessors, (97), 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 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:21:09,840 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-24 17:21:09,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-04-24 17:21:13,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-24 17:21:13,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:21:13,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-24 17:21:13,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-04-24 17:21:13,557 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-04-24 17:21:13,557 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:21:13,557 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:21:13,557 INFO L139 ounterexampleChecker]: Examining path program with hash -1353652242, occurence #4 [2025-04-24 17:21:13,557 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:21:13,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:21:13,557 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:13,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:21:13,557 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:13,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:21:13,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:13,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:21:13,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:13,558 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 17:21:13,565 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:21:13,565 INFO L85 PathProgramCache]: Analyzing trace with hash -965444530, now seen corresponding path program 1 times [2025-04-24 17:21:13,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:21:13,565 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595059011] [2025-04-24 17:21:13,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:21:13,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:21:13,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-24 17:21:13,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-24 17:21:13,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:21:13,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:21:13,573 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:21:13,573 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:21:13,573 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-04-24 17:21:13,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 17:21:13,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:13,573 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:21:13,573 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:21:13,574 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:21:13,574 INFO L85 PathProgramCache]: Analyzing trace with hash -248628602, now seen corresponding path program 25 times [2025-04-24 17:21:13,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:21:13,574 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852168756] [2025-04-24 17:21:13,574 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:21:13,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:21:13,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-24 17:21:13,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:21:13,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:21:13,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:14,512 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:21:14,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:21:14,512 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852168756] [2025-04-24 17:21:14,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852168756] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:21:14,512 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131132450] [2025-04-24 17:21:14,512 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:21:14,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:21:14,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:21:14,514 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:21:14,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-04-24 17:21:14,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-24 17:21:14,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:21:14,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:21:14,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:14,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-24 17:21:14,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:21:14,996 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:21:14,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:21:15,425 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:21:15,425 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 95 [2025-04-24 17:21:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:21:15,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131132450] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:21:15,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:21:15,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 13, 13] total 41 [2025-04-24 17:21:15,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952810584] [2025-04-24 17:21:15,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:21:15,612 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-04-24 17:21:15,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:21:15,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-04-24 17:21:15,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1554, Unknown=0, NotChecked=0, Total=1722 [2025-04-24 17:21:15,613 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:15,613 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:21:15,613 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 1.9523809523809523) internal successors, (82), 41 states have internal predecessors, (82), 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 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-24 17:21:15,613 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:20,076 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:21:22,442 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:22,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:21:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:21:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-04-24 17:21:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-24 17:21:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:21:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-24 17:21:22,575 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-24 17:21:22,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-04-24 17:21:22,775 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36 [2025-04-24 17:21:22,775 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:21:22,775 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:21:22,776 INFO L139 ounterexampleChecker]: Examining path program with hash -1725223742, occurence #1 [2025-04-24 17:21:22,776 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:21:22,776 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:21:22,776 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:21:22,776 INFO L85 PathProgramCache]: Analyzing trace with hash -741441054, now seen corresponding path program 26 times [2025-04-24 17:21:22,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:21:22,776 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241670621] [2025-04-24 17:21:22,776 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:21:22,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:21:22,781 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 35 statements into 2 equivalence classes. [2025-04-24 17:21:22,789 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:21:22,791 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:21:22,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:21:23,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:21:23,565 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241670621] [2025-04-24 17:21:23,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241670621] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:21:23,565 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440321466] [2025-04-24 17:21:23,565 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:21:23,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:21:23,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:21:23,567 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:21:23,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-04-24 17:21:23,617 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 35 statements into 2 equivalence classes. [2025-04-24 17:21:23,634 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:21:23,634 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:21:23,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:23,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-24 17:21:23,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:21:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:21:24,028 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:21:24,500 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:21:24,501 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 95 [2025-04-24 17:21:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:21:24,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440321466] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:21:24,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:21:24,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 13, 13] total 41 [2025-04-24 17:21:24,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264027696] [2025-04-24 17:21:24,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:21:24,677 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-04-24 17:21:24,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:21:24,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-04-24 17:21:24,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1579, Unknown=0, NotChecked=0, Total=1722 [2025-04-24 17:21:24,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:24,678 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:21:24,678 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.0) internal successors, (84), 41 states have internal predecessors, (84), 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 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-24 17:21:24,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:28,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:21:28,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-24 17:21:28,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-04-24 17:21:29,190 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:21:29,190 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:21:29,190 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:21:29,190 INFO L139 ounterexampleChecker]: Examining path program with hash -378225749, occurence #6 [2025-04-24 17:21:29,190 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:21:29,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:21:29,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:29,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:21:29,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:21:29,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:21:29,190 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:29,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:21:29,190 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:29,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 17:21:29,200 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:21:29,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1561761282, now seen corresponding path program 1 times [2025-04-24 17:21:29,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:21:29,200 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742382636] [2025-04-24 17:21:29,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:21:29,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:21:29,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-24 17:21:29,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-24 17:21:29,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:21:29,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:21:29,208 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:21:29,208 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:21:29,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 17:21:29,208 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:21:29,208 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:21:29,208 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:21:29,208 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:21:29,209 INFO L85 PathProgramCache]: Analyzing trace with hash 434466630, now seen corresponding path program 27 times [2025-04-24 17:21:29,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:21:29,209 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244832416] [2025-04-24 17:21:29,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:21:29,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:21:29,214 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 4 equivalence classes. [2025-04-24 17:21:29,226 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:21:29,226 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 17:21:29,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:21:30,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:21:30,070 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244832416] [2025-04-24 17:21:30,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244832416] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:21:30,070 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382595698] [2025-04-24 17:21:30,070 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:21:30,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:21:30,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:21:30,072 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:21:30,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-04-24 17:21:30,126 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 4 equivalence classes. [2025-04-24 17:21:30,147 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:21:30,148 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 17:21:30,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:21:30,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-04-24 17:21:30,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:21:30,241 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-04-24 17:21:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:21:30,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:21:34,211 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 57 [2025-04-24 17:21:34,246 INFO L325 Elim1Store]: treesize reduction 8, result has 75.8 percent of original size [2025-04-24 17:21:34,246 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 422 treesize of output 278 [2025-04-24 17:21:34,562 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:21:34,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382595698] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:21:34,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:21:34,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 18, 19] total 56 [2025-04-24 17:21:34,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113770232] [2025-04-24 17:21:34,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:21:34,562 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-04-24 17:21:34,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:21:34,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-04-24 17:21:34,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=2772, Unknown=1, NotChecked=0, Total=3192 [2025-04-24 17:21:34,563 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:34,563 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:21:34,564 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 1.6666666666666667) internal successors, (95), 56 states have internal predecessors, (95), 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 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-24 17:21:34,564 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:21:48,325 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:21:52,348 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:21:57,676 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:22:03,595 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:22:07,177 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:22:11,202 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:22:15,235 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:22:19,525 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:22:21,537 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:22:25,937 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:22:32,814 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:22:54,193 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:22:56,919 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:23:07,611 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:23:10,092 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:23:11,785 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:23:13,895 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:23:24,275 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-24 17:23:24,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-24 17:23:24,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-04-24 17:23:24,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-24 17:23:24,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:23:24,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-04-24 17:23:24,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:23:24,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-24 17:23:24,411 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-24 17:23:24,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-04-24 17:23:24,611 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-04-24 17:23:24,611 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:23:24,611 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:23:24,612 INFO L139 ounterexampleChecker]: Examining path program with hash -378225749, occurence #7 [2025-04-24 17:23:24,612 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:23:24,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:23:24,612 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:23:24,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:23:24,612 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:23:24,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:23:24,612 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:23:24,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:23:24,612 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:23:24,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 17:23:24,619 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:23:24,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1561761315, now seen corresponding path program 1 times [2025-04-24 17:23:24,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:23:24,619 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053977401] [2025-04-24 17:23:24,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:23:24,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:23:24,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-24 17:23:24,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-24 17:23:24,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:23:24,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:23:24,625 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:23:24,625 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:23:24,625 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-04-24 17:23:24,625 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 17:23:24,625 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:23:24,625 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:23:24,625 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:23:24,625 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:23:24,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1298615174, now seen corresponding path program 28 times [2025-04-24 17:23:24,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:23:24,625 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918745551] [2025-04-24 17:23:24,625 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:23:24,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:23:24,629 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 35 statements into 2 equivalence classes. [2025-04-24 17:23:24,636 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:23:24,636 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:23:24,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:23:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:23:25,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:23:25,321 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918745551] [2025-04-24 17:23:25,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918745551] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:23:25,321 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557174967] [2025-04-24 17:23:25,321 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:23:25,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:23:25,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:23:25,323 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:23:25,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-04-24 17:23:25,377 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 35 statements into 2 equivalence classes. [2025-04-24 17:23:25,394 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 17:23:25,394 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:23:25,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:23:25,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-24 17:23:25,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:23:25,700 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:23:25,700 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:23:26,093 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-24 17:23:26,093 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 62 treesize of output 95 [2025-04-24 17:23:26,278 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:23:26,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557174967] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:23:26,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:23:26,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12, 13] total 38 [2025-04-24 17:23:26,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221400897] [2025-04-24 17:23:26,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:23:26,278 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-04-24 17:23:26,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:23:26,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-04-24 17:23:26,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1357, Unknown=0, NotChecked=0, Total=1482 [2025-04-24 17:23:26,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:23:26,279 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:23:26,279 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.0) internal successors, (78), 38 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:23:26,279 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:23:26,280 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-24 17:23:26,280 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:23:26,280 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-24 17:23:26,280 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-24 17:23:26,280 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-04-24 17:23:26,280 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-24 17:23:26,280 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:23:26,280 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-04-24 17:23:26,280 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:23:26,280 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-24 17:23:26,280 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-24 17:23:26,280 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:23:33,819 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]