./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-more-buffer-series3.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-more-buffer-series3.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 c031a4ce44fce05276ee0c322906dbff86776176e55e116d257d2b83e85a253c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-0184973-m [2025-04-24 17:28:33,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 17:28:33,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 17:28:33,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 17:28:33,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 17:28:33,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 17:28:33,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 17:28:33,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 17:28:33,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 17:28:33,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 17:28:33,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 17:28:33,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 17:28:33,832 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 17:28:33,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 17:28:33,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 17:28:33,833 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 17:28:33,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 17:28:33,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 17:28:33,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 17:28:33,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 17:28:33,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 17:28:33,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 17:28:33,833 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 17:28:33,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 17:28:33,833 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 17:28:33,833 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 17:28:33,834 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:28:33,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:28:33,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 17:28:33,834 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 17:28:33,834 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 -> c031a4ce44fce05276ee0c322906dbff86776176e55e116d257d2b83e85a253c [2025-04-24 17:28:34,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 17:28:34,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 17:28:34,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 17:28:34,118 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 17:28:34,119 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 17:28:34,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c [2025-04-24 17:28:35,568 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b027a89b5/5a7187f07d35429ea0fabe3fb5311ec5/FLAGf7a0ec109 [2025-04-24 17:28:35,759 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 17:28:35,760 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c [2025-04-24 17:28:35,768 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b027a89b5/5a7187f07d35429ea0fabe3fb5311ec5/FLAGf7a0ec109 [2025-04-24 17:28:36,570 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b027a89b5/5a7187f07d35429ea0fabe3fb5311ec5 [2025-04-24 17:28:36,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 17:28:36,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 17:28:36,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 17:28:36,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 17:28:36,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 17:28:36,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5e3ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36, skipping insertion in model container [2025-04-24 17:28:36,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 17:28:36,797 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-more-buffer-series3.wvr.c[4403,4416] [2025-04-24 17:28:36,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:28:36,820 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 17:28:36,867 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-more-buffer-series3.wvr.c[4403,4416] [2025-04-24 17:28:36,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:28:36,887 INFO L204 MainTranslator]: Completed translation [2025-04-24 17:28:36,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36 WrapperNode [2025-04-24 17:28:36,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 17:28:36,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 17:28:36,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 17:28:36,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 17:28:36,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,931 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 319 [2025-04-24 17:28:36,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 17:28:36,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 17:28:36,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 17:28:36,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 17:28:36,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,958 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 17:28:36,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 17:28:36,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 17:28:36,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 17:28:36,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (1/1) ... [2025-04-24 17:28:36,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:28:37,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:28:37,017 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 17:28:37,020 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 17:28:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 17:28:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 17:28:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 17:28:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 17:28:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 17:28:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 17:28:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 17:28:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-24 17:28:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-24 17:28:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-24 17:28:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-24 17:28:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 17:28:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 17:28:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 17:28:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 17:28:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 17:28:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 17:28:37,044 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 17:28:37,130 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 17:28:37,131 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 17:28:37,546 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 17:28:37,547 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 17:28:37,822 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 17:28:37,822 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-24 17:28:37,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:28:37 BoogieIcfgContainer [2025-04-24 17:28:37,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 17:28:37,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 17:28:37,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 17:28:37,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 17:28:37,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 05:28:36" (1/3) ... [2025-04-24 17:28:37,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1b61b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:28:37, skipping insertion in model container [2025-04-24 17:28:37,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:28:36" (2/3) ... [2025-04-24 17:28:37,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b1b61b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:28:37, skipping insertion in model container [2025-04-24 17:28:37,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:28:37" (3/3) ... [2025-04-24 17:28:37,832 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series3.wvr.c [2025-04-24 17:28:37,843 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 17:28:37,847 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-series3.wvr.c that has 5 procedures, 46 locations, 48 edges, 1 initial locations, 7 loop locations, and 1 error locations. [2025-04-24 17:28:37,847 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 17:28:37,901 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-24 17:28:37,933 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:28:37,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 17:28:37,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:28:37,937 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 17:28:37,938 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 17:28:38,018 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 17:28:38,033 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 17:28:38,038 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;@7e57346, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:28:38,038 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-24 17:28:38,387 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:28:38,387 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:28:38,388 INFO L139 ounterexampleChecker]: Examining path program with hash -181459580, occurence #1 [2025-04-24 17:28:38,388 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:28:38,388 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:28:38,391 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:38,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1797658143, now seen corresponding path program 1 times [2025-04-24 17:28:38,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:28:38,397 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223163467] [2025-04-24 17:28:38,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:38,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:38,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-04-24 17:28:38,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-04-24 17:28:38,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:38,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:39,720 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 17:28:39,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:28:39,721 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223163467] [2025-04-24 17:28:39,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223163467] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:28:39,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:28:39,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-24 17:28:39,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75896867] [2025-04-24 17:28:39,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:28:39,728 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-24 17:28:39,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:28:39,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-24 17:28:39,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-04-24 17:28:39,744 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:39,745 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:28:39,747 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 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 17:28:39,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:39,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:39,909 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 17:28:39,910 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:28:39,910 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:28:39,910 INFO L139 ounterexampleChecker]: Examining path program with hash -181459580, occurence #2 [2025-04-24 17:28:39,911 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:28:39,911 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:28:39,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:39,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-24 17:28:39,912 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:39,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:28:39,914 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:39,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 17:28:39,914 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:39,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 17:28:39,915 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:39,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-24 17:28:39,915 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:39,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-24 17:28:40,006 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:40,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1304631067, now seen corresponding path program 1 times [2025-04-24 17:28:40,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:40,008 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116254654] [2025-04-24 17:28:40,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:40,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:40,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-04-24 17:28:40,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-04-24 17:28:40,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:40,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:28:40,246 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:40,246 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116254654] [2025-04-24 17:28:40,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116254654] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:28:40,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:28:40,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 17:28:40,247 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 65. Constructing proof automaton... [2025-04-24 17:28:40,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:28:40,249 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-24 17:28:40,249 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 17:28:40,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-24 17:28:40,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 17:28:40,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-24 17:28:40,250 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:40,252 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:28:40,252 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:28:40,252 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:40,252 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:40,376 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:40,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:40,377 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 17:28:40,377 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:28:40,377 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:28:40,377 INFO L139 ounterexampleChecker]: Examining path program with hash -181459580, occurence #3 [2025-04-24 17:28:40,378 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:28:40,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:28:40,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:40,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-24 17:28:40,378 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:40,378 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 17:28:40,378 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:40,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 17:28:40,379 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:40,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 17:28:40,379 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:40,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 17:28:40,379 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:40,379 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 17:28:40,425 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:40,425 INFO L85 PathProgramCache]: Analyzing trace with hash -2095538082, now seen corresponding path program 1 times [2025-04-24 17:28:40,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:40,425 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28973258] [2025-04-24 17:28:40,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:40,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:40,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-24 17:28:40,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-24 17:28:40,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:40,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:40,767 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 17:28:40,768 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:40,768 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28973258] [2025-04-24 17:28:40,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28973258] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:40,769 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1914038912] [2025-04-24 17:28:40,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:40,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:40,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-24 17:28:40,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-24 17:28:40,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:40,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:40,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:28:40,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:41,021 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 17:28:41,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1914038912] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:41,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:41,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-04-24 17:28:41,023 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:41,023 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 17:28:41,047 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:41,048 INFO L85 PathProgramCache]: Analyzing trace with hash 718884902, now seen corresponding path program 1 times [2025-04-24 17:28:41,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:41,048 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865377330] [2025-04-24 17:28:41,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:41,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:41,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-04-24 17:28:41,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-04-24 17:28:41,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:41,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:41,362 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 17:28:41,362 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:41,362 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865377330] [2025-04-24 17:28:41,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865377330] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:41,362 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1133813536] [2025-04-24 17:28:41,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:41,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:41,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-04-24 17:28:41,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-04-24 17:28:41,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:41,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:41,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:28:41,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:41,542 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 17:28:41,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1133813536] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:41,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:41,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-04-24 17:28:41,543 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:41,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-24 17:28:41,579 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:41,580 INFO L85 PathProgramCache]: Analyzing trace with hash 810593629, now seen corresponding path program 1 times [2025-04-24 17:28:41,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:41,580 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138226108] [2025-04-24 17:28:41,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:41,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:41,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-04-24 17:28:41,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-04-24 17:28:41,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:41,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:41,893 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 17:28:41,893 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:41,893 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138226108] [2025-04-24 17:28:41,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138226108] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:41,894 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [473017313] [2025-04-24 17:28:41,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:41,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:41,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-04-24 17:28:41,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-04-24 17:28:41,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:41,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:41,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:28:41,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:42,081 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 17:28:42,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [473017313] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:42,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:42,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-04-24 17:28:42,084 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:42,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2025-04-24 17:28:42,111 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:42,112 INFO L85 PathProgramCache]: Analyzing trace with hash 843254688, now seen corresponding path program 1 times [2025-04-24 17:28:42,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:42,112 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248491511] [2025-04-24 17:28:42,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:42,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:42,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-04-24 17:28:42,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-04-24 17:28:42,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:42,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:42,406 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 17:28:42,407 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:42,407 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248491511] [2025-04-24 17:28:42,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248491511] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:42,407 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1031127311] [2025-04-24 17:28:42,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:42,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:42,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-04-24 17:28:42,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-04-24 17:28:42,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:42,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:42,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:28:42,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:42,574 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 17:28:42,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1031127311] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:42,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:42,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-04-24 17:28:42,575 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:42,575 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 97 is hopeless, skipping. [2025-04-24 17:28:42,575 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 98 is hopeless, skipping. [2025-04-24 17:28:42,575 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 107 is hopeless, skipping. [2025-04-24 17:28:42,575 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 17:28:42,599 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:42,599 INFO L85 PathProgramCache]: Analyzing trace with hash -968225041, now seen corresponding path program 1 times [2025-04-24 17:28:42,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:42,599 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124662123] [2025-04-24 17:28:42,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:42,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:42,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-04-24 17:28:42,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-04-24 17:28:42,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:42,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:42,941 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 17:28:42,941 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:42,941 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124662123] [2025-04-24 17:28:42,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124662123] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:42,941 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1668631702] [2025-04-24 17:28:42,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:42,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:42,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-04-24 17:28:42,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-04-24 17:28:42,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:42,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:43,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:28:43,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:43,125 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 17:28:43,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1668631702] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:43,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:43,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-04-24 17:28:43,127 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:43,127 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-24 17:28:43,164 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:43,165 INFO L85 PathProgramCache]: Analyzing trace with hash -128074085, now seen corresponding path program 1 times [2025-04-24 17:28:43,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:43,165 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130676732] [2025-04-24 17:28:43,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:43,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:43,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-04-24 17:28:43,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-04-24 17:28:43,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:43,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:43,572 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 17:28:43,572 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:43,573 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130676732] [2025-04-24 17:28:43,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130676732] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:43,573 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [102346276] [2025-04-24 17:28:43,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:43,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:43,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-04-24 17:28:43,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-04-24 17:28:43,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:43,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:43,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:28:43,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:43,817 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 17:28:43,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [102346276] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:43,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:43,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-04-24 17:28:43,818 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:43,819 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 145 is hopeless, skipping. [2025-04-24 17:28:43,819 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 149 is hopeless, skipping. [2025-04-24 17:28:43,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-04-24 17:28:43,819 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:43,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2025-04-24 17:28:43,819 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:43,819 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:28:43,819 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:28:43,819 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:43,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1380858396, now seen corresponding path program 1 times [2025-04-24 17:28:43,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:28:43,820 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963196986] [2025-04-24 17:28:43,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:43,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:43,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-04-24 17:28:43,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-04-24 17:28:43,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:43,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:44,236 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 17:28:44,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:28:44,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963196986] [2025-04-24 17:28:44,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963196986] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:44,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891209518] [2025-04-24 17:28:44,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:44,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:28:44,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:28:44,239 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 17:28:44,241 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 17:28:44,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-04-24 17:28:44,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-04-24 17:28:44,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:44,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:44,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:28:44,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:44,529 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 17:28:44,531 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:28:44,650 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 17:28:44,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891209518] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:28:44,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:28:44,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2025-04-24 17:28:44,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621241516] [2025-04-24 17:28:44,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:28:44,651 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-24 17:28:44,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:28:44,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-24 17:28:44,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2025-04-24 17:28:44,654 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:44,654 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:28:44,654 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.0) internal successors, (105), 14 states have internal predecessors, (105), 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 17:28:44,654 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:44,654 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:44,654 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:44,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:44,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:44,819 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:44,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-24 17:28:45,020 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2025-04-24 17:28:45,020 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:28:45,020 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:28:45,021 INFO L139 ounterexampleChecker]: Examining path program with hash -181459580, occurence #4 [2025-04-24 17:28:45,021 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:28:45,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:28:45,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:45,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:28:45,021 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:45,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:28:45,021 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:45,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 17:28:45,021 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:45,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 17:28:45,021 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:45,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 17:28:45,021 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:45,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-24 17:28:45,042 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:45,042 INFO L85 PathProgramCache]: Analyzing trace with hash -508385485, now seen corresponding path program 1 times [2025-04-24 17:28:45,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:45,042 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825610683] [2025-04-24 17:28:45,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:45,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:45,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-24 17:28:45,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-24 17:28:45,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:45,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:28:45,277 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:45,277 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825610683] [2025-04-24 17:28:45,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825610683] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:45,277 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1814020437] [2025-04-24 17:28:45,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:45,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:45,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-24 17:28:45,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-24 17:28:45,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:45,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:45,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 17:28:45,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:28:45,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1814020437] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:45,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:45,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-24 17:28:45,450 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:45,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-24 17:28:45,467 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:45,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1909423723, now seen corresponding path program 1 times [2025-04-24 17:28:45,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:45,468 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096514712] [2025-04-24 17:28:45,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:45,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:45,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-04-24 17:28:45,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-04-24 17:28:45,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:45,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:28:45,673 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:45,673 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096514712] [2025-04-24 17:28:45,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096514712] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:45,673 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [287996400] [2025-04-24 17:28:45,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:45,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:45,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-04-24 17:28:45,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-04-24 17:28:45,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:45,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:45,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:28:45,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:28:45,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [287996400] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:45,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:45,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2025-04-24 17:28:45,860 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:45,860 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-24 17:28:45,898 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:45,898 INFO L85 PathProgramCache]: Analyzing trace with hash 937404338, now seen corresponding path program 1 times [2025-04-24 17:28:45,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:45,898 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169322628] [2025-04-24 17:28:45,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:45,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:45,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-24 17:28:45,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-24 17:28:45,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:45,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:46,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:28:46,203 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:46,203 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169322628] [2025-04-24 17:28:46,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169322628] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:46,203 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1328194062] [2025-04-24 17:28:46,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:46,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:46,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-04-24 17:28:46,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-04-24 17:28:46,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:46,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:46,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 17:28:46,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:28:46,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1328194062] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:46,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:46,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-04-24 17:28:46,448 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:46,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-24 17:28:46,465 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:46,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1847661301, now seen corresponding path program 1 times [2025-04-24 17:28:46,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:46,465 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257386694] [2025-04-24 17:28:46,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:46,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:46,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-24 17:28:46,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-24 17:28:46,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:46,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:46,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:28:46,668 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:46,669 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257386694] [2025-04-24 17:28:46,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257386694] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:46,669 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [211129177] [2025-04-24 17:28:46,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:46,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:46,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-24 17:28:46,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-24 17:28:46,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:46,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:46,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:28:46,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:28:46,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [211129177] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:46,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:46,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2025-04-24 17:28:46,818 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:46,818 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 98 is hopeless, skipping. [2025-04-24 17:28:46,818 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 99 is hopeless, skipping. [2025-04-24 17:28:46,818 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 108 is hopeless, skipping. [2025-04-24 17:28:46,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2025-04-24 17:28:46,838 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:46,840 INFO L85 PathProgramCache]: Analyzing trace with hash 621695646, now seen corresponding path program 1 times [2025-04-24 17:28:46,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:46,840 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430063453] [2025-04-24 17:28:46,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:46,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:46,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-04-24 17:28:46,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-04-24 17:28:46,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:46,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:47,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:28:47,088 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:47,088 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430063453] [2025-04-24 17:28:47,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430063453] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:47,088 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1199309426] [2025-04-24 17:28:47,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:47,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:47,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-04-24 17:28:47,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-04-24 17:28:47,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:47,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:47,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:28:47,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:28:47,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1199309426] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:47,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:47,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2025-04-24 17:28:47,251 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:47,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2025-04-24 17:28:47,277 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:47,277 INFO L85 PathProgramCache]: Analyzing trace with hash -4244560, now seen corresponding path program 1 times [2025-04-24 17:28:47,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:47,277 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443116778] [2025-04-24 17:28:47,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:47,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:47,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-04-24 17:28:47,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-04-24 17:28:47,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:47,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:47,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:28:47,537 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:47,537 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443116778] [2025-04-24 17:28:47,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443116778] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:47,537 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1492088140] [2025-04-24 17:28:47,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:47,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:47,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-04-24 17:28:47,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-04-24 17:28:47,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:47,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:47,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 17:28:47,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:28:47,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1492088140] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:47,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:47,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2025-04-24 17:28:47,727 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:47,727 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 146 is hopeless, skipping. [2025-04-24 17:28:47,727 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 150 is hopeless, skipping. [2025-04-24 17:28:47,727 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2025-04-24 17:28:47,727 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:47,727 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2025-04-24 17:28:47,727 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:47,727 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:28:47,727 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:28:47,728 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:47,728 INFO L85 PathProgramCache]: Analyzing trace with hash -621624345, now seen corresponding path program 2 times [2025-04-24 17:28:47,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:28:47,728 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123270483] [2025-04-24 17:28:47,728 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:28:47,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:47,747 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 166 statements into 2 equivalence classes. [2025-04-24 17:28:47,777 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 163 of 166 statements. [2025-04-24 17:28:47,777 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 17:28:47,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-24 17:28:48,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:28:48,006 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123270483] [2025-04-24 17:28:48,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123270483] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:28:48,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:28:48,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 17:28:48,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612850380] [2025-04-24 17:28:48,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:28:48,007 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 17:28:48,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:28:48,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 17:28:48,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-04-24 17:28:48,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:48,009 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:28:48,009 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 17:28:48,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:48,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:48,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:48,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:48,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:48,127 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:48,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:48,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:48,128 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17 [2025-04-24 17:28:48,128 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:28:48,128 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:28:48,128 INFO L139 ounterexampleChecker]: Examining path program with hash 653485405, occurence #1 [2025-04-24 17:28:48,129 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:28:48,129 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:28:48,129 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:48,129 INFO L85 PathProgramCache]: Analyzing trace with hash -710050407, now seen corresponding path program 3 times [2025-04-24 17:28:48,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:28:48,129 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796544421] [2025-04-24 17:28:48,129 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:28:48,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:48,149 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 205 statements into 4 equivalence classes. [2025-04-24 17:28:48,549 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 169 of 205 statements. [2025-04-24 17:28:48,549 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 17:28:48,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:49,230 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-24 17:28:49,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:28:49,230 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796544421] [2025-04-24 17:28:49,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796544421] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:49,231 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592797069] [2025-04-24 17:28:49,231 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:28:49,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:28:49,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:28:49,234 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 17:28:49,237 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 17:28:49,340 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 205 statements into 4 equivalence classes. [2025-04-24 17:28:49,437 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 169 of 205 statements. [2025-04-24 17:28:49,437 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 17:28:49,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:49,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 17:28:49,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:50,169 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-04-24 17:28:50,169 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:28:50,845 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-04-24 17:28:50,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [592797069] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:28:50,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:28:50,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 17] total 48 [2025-04-24 17:28:50,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153458937] [2025-04-24 17:28:50,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:28:50,846 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-04-24 17:28:50,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:28:50,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-04-24 17:28:50,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=454, Invalid=1802, Unknown=0, NotChecked=0, Total=2256 [2025-04-24 17:28:50,850 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:50,850 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:28:50,851 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.166666666666666) internal successors, (392), 48 states have internal predecessors, (392), 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 17:28:50,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:50,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:50,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:50,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:50,851 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:51,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:51,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:51,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:51,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:51,496 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:28:51,503 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 17:28:51,696 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-04-24 17:28:51,697 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:28:51,697 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:28:51,697 INFO L139 ounterexampleChecker]: Examining path program with hash 653485405, occurence #2 [2025-04-24 17:28:51,698 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:28:51,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:28:51,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:51,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:28:51,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:51,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 17:28:51,698 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:51,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 17:28:51,698 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:51,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 17:28:51,698 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:51,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-24 17:28:51,698 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:51,699 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-24 17:28:51,709 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:51,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1099897512, now seen corresponding path program 1 times [2025-04-24 17:28:51,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:51,709 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361340957] [2025-04-24 17:28:51,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:51,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:51,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-04-24 17:28:51,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-04-24 17:28:51,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:51,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:52,001 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 17:28:52,001 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:52,001 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361340957] [2025-04-24 17:28:52,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361340957] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:52,001 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1953795325] [2025-04-24 17:28:52,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:52,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:52,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-04-24 17:28:52,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-04-24 17:28:52,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:52,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:52,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 17:28:52,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:52,207 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 17:28:52,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1953795325] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:52,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:52,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-24 17:28:52,208 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:52,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-24 17:28:52,229 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:52,230 INFO L85 PathProgramCache]: Analyzing trace with hash -262918579, now seen corresponding path program 1 times [2025-04-24 17:28:52,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:52,230 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527036486] [2025-04-24 17:28:52,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:52,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:52,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-04-24 17:28:52,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-04-24 17:28:52,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:52,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:52,528 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 17:28:52,528 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:52,528 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527036486] [2025-04-24 17:28:52,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527036486] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:52,528 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [471073432] [2025-04-24 17:28:52,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:52,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:52,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-04-24 17:28:52,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-04-24 17:28:52,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:52,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:52,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 17:28:52,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 17:28:52,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [471073432] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:52,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:52,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-24 17:28:52,738 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:52,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-24 17:28:52,754 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:52,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1193419239, now seen corresponding path program 1 times [2025-04-24 17:28:52,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:52,755 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876690804] [2025-04-24 17:28:52,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:52,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:52,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-04-24 17:28:52,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-04-24 17:28:52,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:52,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:53,020 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 17:28:53,020 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:53,020 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876690804] [2025-04-24 17:28:53,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876690804] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:53,020 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1424905865] [2025-04-24 17:28:53,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:53,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:53,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-04-24 17:28:53,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-04-24 17:28:53,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:53,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:53,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 17:28:53,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 17:28:53,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1424905865] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:53,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:28:53,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-24 17:28:53,219 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:28:53,219 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 17:28:53,235 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:53,236 INFO L85 PathProgramCache]: Analyzing trace with hash -226377441, now seen corresponding path program 1 times [2025-04-24 17:28:53,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:28:53,237 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536947772] [2025-04-24 17:28:53,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:53,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:53,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-04-24 17:28:53,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-04-24 17:28:53,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:53,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:53,406 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-04-24 17:28:53,406 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:28:53,406 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536947772] [2025-04-24 17:28:53,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536947772] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:28:53,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:28:53,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 17:28:53,407 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 137. Constructing proof automaton... [2025-04-24 17:28:53,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:28:53,407 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-24 17:28:53,407 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 17:28:53,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-24 17:28:53,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 17:28:53,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-24 17:28:53,407 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:53,408 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:28:53,408 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 17:28:53,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:53,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:53,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:53,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:53,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:28:53,408 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:53,560 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:53,560 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:53,560 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:53,560 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:53,560 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:28:53,560 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:53,560 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35 [2025-04-24 17:28:53,561 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:28:53,561 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:28:53,561 INFO L139 ounterexampleChecker]: Examining path program with hash 1096381794, occurence #1 [2025-04-24 17:28:53,561 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:28:53,561 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:28:53,561 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:53,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1168808429, now seen corresponding path program 4 times [2025-04-24 17:28:53,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:28:53,561 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078175399] [2025-04-24 17:28:53,561 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:28:53,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:53,573 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 80 statements into 2 equivalence classes. [2025-04-24 17:28:53,589 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 80 of 80 statements. [2025-04-24 17:28:53,590 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:28:53,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:53,751 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 17:28:53,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:28:53,751 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078175399] [2025-04-24 17:28:53,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078175399] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:53,751 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105222066] [2025-04-24 17:28:53,751 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:28:53,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:28:53,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:28:53,753 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 17:28:53,755 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 17:28:53,829 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 80 statements into 2 equivalence classes. [2025-04-24 17:28:53,871 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 80 of 80 statements. [2025-04-24 17:28:53,871 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:28:53,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:53,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 17:28:53,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 17:28:54,022 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:28:54,164 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 17:28:54,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105222066] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:28:54,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:28:54,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2025-04-24 17:28:54,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150920552] [2025-04-24 17:28:54,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:28:54,165 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-04-24 17:28:54,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:28:54,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-04-24 17:28:54,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2025-04-24 17:28:54,166 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:54,167 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:28:54,167 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.285714285714286) internal successors, (132), 21 states have internal predecessors, (132), 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 17:28:54,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:54,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:28:54,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:54,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:54,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:28:54,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:28:54,332 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 17:28:54,528 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:28:54,528 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:28:54,529 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:28:54,529 INFO L139 ounterexampleChecker]: Examining path program with hash 1096381794, occurence #2 [2025-04-24 17:28:54,529 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:28:54,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:28:54,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:54,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:28:54,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:54,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 17:28:54,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:54,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-24 17:28:54,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:54,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-24 17:28:54,530 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:54,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 17:28:54,530 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:54,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-24 17:28:54,530 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:54,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-24 17:28:54,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:54,530 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:28:54,530 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:28:54,530 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:54,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1333919533, now seen corresponding path program 5 times [2025-04-24 17:28:54,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:28:54,530 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467140381] [2025-04-24 17:28:54,530 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:28:54,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:54,542 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 81 statements into 4 equivalence classes. [2025-04-24 17:28:54,567 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 81 of 81 statements. [2025-04-24 17:28:54,567 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 17:28:54,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-04-24 17:28:54,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:28:54,810 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467140381] [2025-04-24 17:28:54,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467140381] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:28:54,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:28:54,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-24 17:28:54,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138058732] [2025-04-24 17:28:54,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:28:54,810 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-24 17:28:54,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:28:54,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-24 17:28:54,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-04-24 17:28:54,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:54,811 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:28:54,811 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 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 17:28:54,811 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,811 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,811 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:54,811 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,812 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:28:54,812 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,812 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:28:54,812 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:54,960 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,960 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,961 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:54,961 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,961 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:28:54,961 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:54,961 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:28:54,961 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:28:54,961 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-04-24 17:28:54,961 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:28:54,961 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:28:54,962 INFO L139 ounterexampleChecker]: Examining path program with hash 1096381794, occurence #3 [2025-04-24 17:28:54,962 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:28:54,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:28:54,962 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:54,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:28:54,962 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:54,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 17:28:54,963 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:54,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 17:28:54,963 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:54,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 17:28:54,963 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:54,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-24 17:28:54,963 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:54,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-24 17:28:54,964 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:28:54,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-04-24 17:28:54,964 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:28:54,964 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:28:54,964 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:28:54,964 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:54,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1601576879, now seen corresponding path program 1 times [2025-04-24 17:28:54,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:28:54,964 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074755191] [2025-04-24 17:28:54,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:54,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:54,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-04-24 17:28:55,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-04-24 17:28:55,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:55,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-04-24 17:28:55,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:28:55,407 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074755191] [2025-04-24 17:28:55,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074755191] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:55,407 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120667229] [2025-04-24 17:28:55,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:28:55,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:28:55,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:28:55,409 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 17:28:55,411 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 17:28:55,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-04-24 17:28:55,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-04-24 17:28:55,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:28:55,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:55,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 17:28:55,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-04-24 17:28:55,777 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:28:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-04-24 17:28:56,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120667229] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:28:56,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:28:56,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 12] total 33 [2025-04-24 17:28:56,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667107920] [2025-04-24 17:28:56,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:28:56,059 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-24 17:28:56,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:28:56,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-24 17:28:56,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=887, Unknown=0, NotChecked=0, Total=1122 [2025-04-24 17:28:56,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:56,062 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:28:56,063 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.9411764705882355) internal successors, (202), 33 states have internal predecessors, (202), 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 17:28:56,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:56,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:56,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:56,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:56,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:28:56,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:56,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:28:56,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:28:56,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:56,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:56,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:56,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:56,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:56,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:28:56,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:56,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:28:56,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:28:56,447 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:28:56,454 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 17:28:56,648 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,SelfDestructingSolverStorable38 [2025-04-24 17:28:56,648 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:28:56,648 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:28:56,648 INFO L139 ounterexampleChecker]: Examining path program with hash -1865516974, occurence #1 [2025-04-24 17:28:56,648 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:28:56,648 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:28:56,648 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:56,648 INFO L85 PathProgramCache]: Analyzing trace with hash -2129577943, now seen corresponding path program 2 times [2025-04-24 17:28:56,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:28:56,649 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997151988] [2025-04-24 17:28:56,649 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:28:56,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:56,659 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 73 statements into 2 equivalence classes. [2025-04-24 17:28:56,667 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 47 of 73 statements. [2025-04-24 17:28:56,668 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 17:28:56,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-04-24 17:28:56,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:28:56,956 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997151988] [2025-04-24 17:28:56,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997151988] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:28:56,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:28:56,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-04-24 17:28:56,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899633405] [2025-04-24 17:28:56,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:28:56,956 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-24 17:28:56,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:28:56,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-24 17:28:56,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-04-24 17:28:56,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:56,958 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:28:56,958 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 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 17:28:56,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:56,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:56,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:56,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:56,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:28:56,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:56,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:28:56,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:28:56,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:28:56,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:57,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:57,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:57,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:57,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:57,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:28:57,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:57,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:28:57,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:28:57,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:28:57,574 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:28:57,575 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-04-24 17:28:57,575 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:28:57,575 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:28:57,575 INFO L139 ounterexampleChecker]: Examining path program with hash 372164293, occurence #1 [2025-04-24 17:28:57,575 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:28:57,575 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:28:57,575 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:28:57,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1989689065, now seen corresponding path program 3 times [2025-04-24 17:28:57,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:28:57,576 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097962648] [2025-04-24 17:28:57,576 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:28:57,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:28:57,607 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 451 statements into 8 equivalence classes. [2025-04-24 17:28:58,174 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 243 of 451 statements. [2025-04-24 17:28:58,174 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 17:28:58,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:58,765 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 37 proven. 53 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2025-04-24 17:28:58,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:28:58,765 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097962648] [2025-04-24 17:28:58,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097962648] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:28:58,765 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217939928] [2025-04-24 17:28:58,765 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:28:58,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:28:58,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:28:58,767 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 17:28:58,769 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 17:28:58,925 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 451 statements into 8 equivalence classes. [2025-04-24 17:28:59,087 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 243 of 451 statements. [2025-04-24 17:28:59,087 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 17:28:59,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:28:59,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-24 17:28:59,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:28:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 79 proven. 13 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2025-04-24 17:28:59,502 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:28:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 50 proven. 42 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2025-04-24 17:28:59,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217939928] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:28:59,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:28:59,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2025-04-24 17:28:59,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964384244] [2025-04-24 17:28:59,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:28:59,906 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-04-24 17:28:59,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:28:59,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-04-24 17:28:59,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=715, Unknown=0, NotChecked=0, Total=930 [2025-04-24 17:28:59,907 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:28:59,907 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:28:59,908 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.580645161290323) internal successors, (235), 31 states have internal predecessors, (235), 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 17:28:59,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:59,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:59,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:28:59,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:59,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:28:59,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:28:59,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:28:59,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:28:59,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:28:59,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:28:59,908 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:00,171 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:00,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:00,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:00,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:00,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:00,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:00,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:00,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:00,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:00,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:00,172 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:00,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-24 17:29:00,373 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:29:00,373 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:29:00,373 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:29:00,374 INFO L139 ounterexampleChecker]: Examining path program with hash 372164293, occurence #2 [2025-04-24 17:29:00,374 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:29:00,374 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:29:00,374 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:00,374 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:29:00,374 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:00,374 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 17:29:00,374 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:00,374 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-24 17:29:00,374 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:00,374 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 17:29:00,374 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:00,374 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-24 17:29:00,374 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:00,374 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 17:29:00,391 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:00,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1518033834, now seen corresponding path program 1 times [2025-04-24 17:29:00,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:29:00,391 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061977401] [2025-04-24 17:29:00,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:00,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-04-24 17:29:00,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-04-24 17:29:00,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:00,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 68 proven. 27 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-04-24 17:29:00,804 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:29:00,804 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061977401] [2025-04-24 17:29:00,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061977401] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:00,804 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [278863948] [2025-04-24 17:29:00,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:00,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:00,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-04-24 17:29:00,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-04-24 17:29:00,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:00,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:00,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 17:29:00,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 71 proven. 24 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-04-24 17:29:01,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [278863948] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:01,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:29:01,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2025-04-24 17:29:01,287 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:29:01,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-04-24 17:29:01,297 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:01,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1030469428, now seen corresponding path program 1 times [2025-04-24 17:29:01,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:29:01,297 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124376907] [2025-04-24 17:29:01,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:01,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:01,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 232 statements into 1 equivalence classes. [2025-04-24 17:29:01,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 232 of 232 statements. [2025-04-24 17:29:01,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:01,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 44 proven. 227 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2025-04-24 17:29:01,977 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:29:01,978 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124376907] [2025-04-24 17:29:01,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124376907] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:01,978 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [494020635] [2025-04-24 17:29:01,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:01,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:01,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 232 statements into 1 equivalence classes. [2025-04-24 17:29:02,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 232 of 232 statements. [2025-04-24 17:29:02,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:02,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:02,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 17:29:02,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 242 proven. 29 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2025-04-24 17:29:02,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [494020635] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:02,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:29:02,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2025-04-24 17:29:02,651 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:29:02,651 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 232 is hopeless, skipping. [2025-04-24 17:29:02,651 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 252 is hopeless, skipping. [2025-04-24 17:29:02,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2025-04-24 17:29:02,658 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:02,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1244614766, now seen corresponding path program 1 times [2025-04-24 17:29:02,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:29:02,658 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573475755] [2025-04-24 17:29:02,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:02,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:02,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 255 statements into 1 equivalence classes. [2025-04-24 17:29:02,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 255 of 255 statements. [2025-04-24 17:29:02,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:02,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 14 proven. 63 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2025-04-24 17:29:03,602 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:29:03,602 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573475755] [2025-04-24 17:29:03,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573475755] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:03,602 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1984859854] [2025-04-24 17:29:03,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:03,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:03,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 255 statements into 1 equivalence classes. [2025-04-24 17:29:03,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 255 of 255 statements. [2025-04-24 17:29:03,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:03,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:03,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 17:29:03,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:04,287 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 103 proven. 21 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2025-04-24 17:29:04,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1984859854] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:04,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:29:04,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2025-04-24 17:29:04,288 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:29:04,288 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2025-04-24 17:29:04,311 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:04,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1101307398, now seen corresponding path program 1 times [2025-04-24 17:29:04,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:29:04,312 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292233967] [2025-04-24 17:29:04,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:04,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:04,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-04-24 17:29:04,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-04-24 17:29:04,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:04,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2025-04-24 17:29:05,247 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:29:05,248 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292233967] [2025-04-24 17:29:05,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292233967] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:05,248 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1594960722] [2025-04-24 17:29:05,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:05,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:05,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-04-24 17:29:05,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-04-24 17:29:05,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:05,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:05,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 17:29:05,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 107 proven. 21 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2025-04-24 17:29:05,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1594960722] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:05,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:29:05,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 31 [2025-04-24 17:29:05,894 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:29:05,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2025-04-24 17:29:05,929 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:05,930 INFO L85 PathProgramCache]: Analyzing trace with hash -827204169, now seen corresponding path program 1 times [2025-04-24 17:29:05,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:29:05,930 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328392319] [2025-04-24 17:29:05,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:05,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:05,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 279 statements into 1 equivalence classes. [2025-04-24 17:29:06,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 279 of 279 statements. [2025-04-24 17:29:06,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:06,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 22 proven. 49 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2025-04-24 17:29:06,862 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:29:06,863 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328392319] [2025-04-24 17:29:06,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328392319] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:06,863 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1769262701] [2025-04-24 17:29:06,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:06,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:06,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 279 statements into 1 equivalence classes. [2025-04-24 17:29:06,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 279 of 279 statements. [2025-04-24 17:29:06,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:06,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:06,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-24 17:29:06,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 64 proven. 21 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2025-04-24 17:29:07,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1769262701] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:07,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:29:07,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 29 [2025-04-24 17:29:07,391 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:29:07,391 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 281 [2025-04-24 17:29:07,408 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:07,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1277004690, now seen corresponding path program 1 times [2025-04-24 17:29:07,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:29:07,408 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989801730] [2025-04-24 17:29:07,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:07,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:07,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 282 statements into 1 equivalence classes. [2025-04-24 17:29:07,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 282 of 282 statements. [2025-04-24 17:29:07,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:07,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 22 proven. 49 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2025-04-24 17:29:08,186 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:29:08,186 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989801730] [2025-04-24 17:29:08,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989801730] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:08,186 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1376919396] [2025-04-24 17:29:08,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:08,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:08,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 282 statements into 1 equivalence classes. [2025-04-24 17:29:08,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 282 of 282 statements. [2025-04-24 17:29:08,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:08,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:08,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-24 17:29:08,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:08,820 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 64 proven. 21 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2025-04-24 17:29:08,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1376919396] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:08,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:29:08,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 29 [2025-04-24 17:29:08,820 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:29:08,821 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 296 is hopeless, skipping. [2025-04-24 17:29:08,821 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 309 is hopeless, skipping. [2025-04-24 17:29:08,821 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 311 is hopeless, skipping. [2025-04-24 17:29:08,821 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 318 is hopeless, skipping. [2025-04-24 17:29:08,821 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 331 is hopeless, skipping. [2025-04-24 17:29:08,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 333 [2025-04-24 17:29:08,842 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:08,843 INFO L85 PathProgramCache]: Analyzing trace with hash -367534543, now seen corresponding path program 1 times [2025-04-24 17:29:08,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:29:08,843 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158443499] [2025-04-24 17:29:08,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:08,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:08,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes. [2025-04-24 17:29:09,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements. [2025-04-24 17:29:09,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:09,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 2 proven. 68 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2025-04-24 17:29:09,912 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:29:09,912 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158443499] [2025-04-24 17:29:09,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158443499] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:09,912 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1092244425] [2025-04-24 17:29:09,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:09,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:09,934 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 334 statements into 1 equivalence classes. [2025-04-24 17:29:10,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 334 of 334 statements. [2025-04-24 17:29:10,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:10,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:10,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 1422 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 17:29:10,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:10,471 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 49 proven. 21 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2025-04-24 17:29:10,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1092244425] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:10,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:29:10,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 29 [2025-04-24 17:29:10,471 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:29:10,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 337 [2025-04-24 17:29:10,477 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:10,477 INFO L85 PathProgramCache]: Analyzing trace with hash 906984353, now seen corresponding path program 1 times [2025-04-24 17:29:10,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:29:10,477 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748695045] [2025-04-24 17:29:10,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:10,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:10,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 338 statements into 1 equivalence classes. [2025-04-24 17:29:10,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 338 of 338 statements. [2025-04-24 17:29:10,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:10,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:11,439 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 61 proven. 49 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2025-04-24 17:29:11,440 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:29:11,440 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748695045] [2025-04-24 17:29:11,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748695045] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:11,440 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [918885886] [2025-04-24 17:29:11,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:11,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:11,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 338 statements into 1 equivalence classes. [2025-04-24 17:29:11,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 338 of 338 statements. [2025-04-24 17:29:11,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:11,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:11,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 17:29:11,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:12,133 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 85 proven. 21 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2025-04-24 17:29:12,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [918885886] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:12,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:29:12,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 29 [2025-04-24 17:29:12,134 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:29:12,134 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 353 [2025-04-24 17:29:12,144 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:12,144 INFO L85 PathProgramCache]: Analyzing trace with hash 936044141, now seen corresponding path program 1 times [2025-04-24 17:29:12,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:29:12,144 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024729751] [2025-04-24 17:29:12,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:12,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:12,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 354 statements into 1 equivalence classes. [2025-04-24 17:29:12,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 354 of 354 statements. [2025-04-24 17:29:12,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:12,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2025-04-24 17:29:13,353 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:29:13,353 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024729751] [2025-04-24 17:29:13,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024729751] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:13,353 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [992569410] [2025-04-24 17:29:13,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:13,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:13,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 354 statements into 1 equivalence classes. [2025-04-24 17:29:13,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 354 of 354 statements. [2025-04-24 17:29:13,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:13,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:13,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 1485 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 17:29:13,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 99 proven. 22 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2025-04-24 17:29:14,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [992569410] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:14,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:29:14,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 31 [2025-04-24 17:29:14,156 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:29:14,157 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 374 is hopeless, skipping. [2025-04-24 17:29:14,157 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 387 is hopeless, skipping. [2025-04-24 17:29:14,157 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 389 is hopeless, skipping. [2025-04-24 17:29:14,157 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 408 is hopeless, skipping. [2025-04-24 17:29:14,157 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 411 is hopeless, skipping. [2025-04-24 17:29:14,157 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 431 is hopeless, skipping. [2025-04-24 17:29:14,157 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 441 is hopeless, skipping. [2025-04-24 17:29:14,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 451 [2025-04-24 17:29:14,157 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:14,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 452 [2025-04-24 17:29:14,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:14,157 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:29:14,157 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:29:14,157 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:14,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1257813763, now seen corresponding path program 4 times [2025-04-24 17:29:14,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:29:14,157 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794114445] [2025-04-24 17:29:14,158 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:29:14,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:14,186 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 454 statements into 2 equivalence classes. [2025-04-24 17:29:14,345 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 454 of 454 statements. [2025-04-24 17:29:14,345 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:29:14,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 488 proven. 35 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-04-24 17:29:16,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:29:16,455 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794114445] [2025-04-24 17:29:16,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794114445] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:16,455 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194593341] [2025-04-24 17:29:16,455 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:29:16,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:29:16,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:29:16,457 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 17:29:16,460 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 17:29:16,655 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 454 statements into 2 equivalence classes. [2025-04-24 17:29:16,834 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 454 of 454 statements. [2025-04-24 17:29:16,834 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:29:16,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:16,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 1897 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-24 17:29:16,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:16,941 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2025-04-24 17:29:16,941 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-24 17:29:16,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194593341] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:29:16,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-24 17:29:16,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [33] total 35 [2025-04-24 17:29:16,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494937798] [2025-04-24 17:29:16,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:29:16,942 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 17:29:16,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:29:16,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 17:29:16,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=893, Unknown=0, NotChecked=0, Total=1260 [2025-04-24 17:29:16,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:16,943 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:29:16,943 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 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 17:29:16,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:16,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:16,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:16,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:16,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:16,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:16,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:16,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:16,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:16,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:16,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:16,943 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:17,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:17,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:17,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:17,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:17,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:17,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:17,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:17,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:17,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:17,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:17,081 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:17,082 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:17,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-24 17:29:17,282 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable41,SelfDestructingSolverStorable52,SelfDestructingSolverStorable42,SelfDestructingSolverStorable53,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43,SelfDestructingSolverStorable54,SelfDestructingSolverStorable44,SelfDestructingSolverStorable55,SelfDestructingSolverStorable45,SelfDestructingSolverStorable56,SelfDestructingSolverStorable46,SelfDestructingSolverStorable57,SelfDestructingSolverStorable47,SelfDestructingSolverStorable58,SelfDestructingSolverStorable48,SelfDestructingSolverStorable59,SelfDestructingSolverStorable49 [2025-04-24 17:29:17,283 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:29:17,283 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:29:17,283 INFO L139 ounterexampleChecker]: Examining path program with hash -513916049, occurence #1 [2025-04-24 17:29:17,283 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:29:17,283 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:29:17,283 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:17,283 INFO L85 PathProgramCache]: Analyzing trace with hash -579906231, now seen corresponding path program 5 times [2025-04-24 17:29:17,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:29:17,283 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592797105] [2025-04-24 17:29:17,283 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:29:17,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:17,294 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 84 statements into 4 equivalence classes. [2025-04-24 17:29:17,314 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 84 of 84 statements. [2025-04-24 17:29:17,314 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 17:29:17,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-04-24 17:29:17,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:29:17,548 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592797105] [2025-04-24 17:29:17,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592797105] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:17,548 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252886200] [2025-04-24 17:29:17,548 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:29:17,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:29:17,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:29:17,550 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 17:29:17,551 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 17:29:17,679 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 84 statements into 4 equivalence classes. [2025-04-24 17:29:18,007 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 84 of 84 statements. [2025-04-24 17:29:18,007 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 17:29:18,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:18,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-24 17:29:18,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:18,219 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-04-24 17:29:18,219 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:29:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-04-24 17:29:18,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252886200] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:29:18,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:29:18,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 29 [2025-04-24 17:29:18,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684625422] [2025-04-24 17:29:18,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:29:18,371 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-04-24 17:29:18,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:29:18,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-04-24 17:29:18,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=639, Unknown=0, NotChecked=0, Total=870 [2025-04-24 17:29:18,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:18,371 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:29:18,372 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 5.7) internal successors, (171), 29 states have internal predecessors, (171), 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 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:18,607 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:18,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:18,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:18,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:18,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:18,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:18,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:18,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:18,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-24 17:29:18,809 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:29:18,809 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:29:18,809 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:29:18,809 INFO L139 ounterexampleChecker]: Examining path program with hash -513916049, occurence #2 [2025-04-24 17:29:18,809 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:29:18,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:29:18,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:18,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:29:18,809 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:18,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-24 17:29:18,809 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:18,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 17:29:18,810 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:18,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 17:29:18,810 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:18,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 17:29:18,810 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:18,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 17:29:18,810 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:18,810 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-24 17:29:18,830 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:18,830 INFO L85 PathProgramCache]: Analyzing trace with hash 864746849, now seen corresponding path program 1 times [2025-04-24 17:29:18,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:29:18,831 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080190467] [2025-04-24 17:29:18,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:18,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:18,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-04-24 17:29:18,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-04-24 17:29:18,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:18,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-04-24 17:29:18,937 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:29:18,937 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080190467] [2025-04-24 17:29:18,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080190467] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:29:18,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:29:18,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 17:29:18,937 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 71. Constructing proof automaton... [2025-04-24 17:29:18,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:29:18,938 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-24 17:29:18,938 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 17:29:18,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-24 17:29:18,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 17:29:18,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-24 17:29:18,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:18,939 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:29:18,939 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:29:18,939 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,939 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,939 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:18,939 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:18,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:18,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:18,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:18,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:18,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:18,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:18,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:18,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:19,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:19,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:19,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:19,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:19,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:19,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:19,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:19,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:19,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,024 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2025-04-24 17:29:19,025 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:29:19,025 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:29:19,026 INFO L139 ounterexampleChecker]: Examining path program with hash -1787611903, occurence #1 [2025-04-24 17:29:19,026 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:29:19,026 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:29:19,026 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:19,026 INFO L85 PathProgramCache]: Analyzing trace with hash 2050327272, now seen corresponding path program 6 times [2025-04-24 17:29:19,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:29:19,026 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761278813] [2025-04-24 17:29:19,026 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:29:19,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:19,043 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 76 statements into 4 equivalence classes. [2025-04-24 17:29:19,050 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 41 of 76 statements. [2025-04-24 17:29:19,050 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-24 17:29:19,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-04-24 17:29:19,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:29:19,207 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761278813] [2025-04-24 17:29:19,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761278813] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:29:19,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:29:19,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-24 17:29:19,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500534968] [2025-04-24 17:29:19,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:29:19,208 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 17:29:19,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:29:19,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 17:29:19,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-24 17:29:19,208 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:19,209 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:29:19,209 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 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 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,209 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:19,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:19,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:19,346 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2025-04-24 17:29:19,346 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:29:19,346 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:29:19,346 INFO L139 ounterexampleChecker]: Examining path program with hash -1156078913, occurence #1 [2025-04-24 17:29:19,346 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:29:19,346 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:29:19,347 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:19,347 INFO L85 PathProgramCache]: Analyzing trace with hash 455420857, now seen corresponding path program 7 times [2025-04-24 17:29:19,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:29:19,347 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516018371] [2025-04-24 17:29:19,347 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:29:19,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:19,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-04-24 17:29:19,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-04-24 17:29:19,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:19,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-04-24 17:29:19,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:29:19,613 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516018371] [2025-04-24 17:29:19,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516018371] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:19,614 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570187474] [2025-04-24 17:29:19,614 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:29:19,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:29:19,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:29:19,615 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 17:29:19,617 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 17:29:19,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-04-24 17:29:19,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-04-24 17:29:19,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:19,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:19,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-24 17:29:19,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:19,969 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-04-24 17:29:19,969 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:29:20,188 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-04-24 17:29:20,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570187474] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:29:20,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:29:20,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 32 [2025-04-24 17:29:20,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849406633] [2025-04-24 17:29:20,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:29:20,188 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-04-24 17:29:20,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:29:20,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-04-24 17:29:20,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=818, Unknown=0, NotChecked=0, Total=1056 [2025-04-24 17:29:20,189 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:20,189 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:29:20,189 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.636363636363637) internal successors, (153), 32 states have internal predecessors, (153), 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 17:29:20,189 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:20,189 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:20,189 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:20,189 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:20,189 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:20,189 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:20,189 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:20,189 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:20,189 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:20,189 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:20,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:20,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:20,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:20,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:20,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:20,190 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:20,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:29:20,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-24 17:29:20,893 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:29:20,893 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:29:20,893 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:29:20,893 INFO L139 ounterexampleChecker]: Examining path program with hash -1156078913, occurence #2 [2025-04-24 17:29:20,893 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:29:20,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:29:20,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:20,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:29:20,893 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:20,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-24 17:29:20,893 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:20,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 17:29:20,893 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:20,893 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 17:29:20,894 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:20,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 17:29:20,894 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:20,894 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-24 17:29:20,906 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:20,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1575945773, now seen corresponding path program 1 times [2025-04-24 17:29:20,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:29:20,906 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851011115] [2025-04-24 17:29:20,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:20,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:20,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-04-24 17:29:20,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-04-24 17:29:20,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:20,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 69 proven. 56 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-24 17:29:21,215 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:29:21,215 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851011115] [2025-04-24 17:29:21,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851011115] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:21,215 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1705501830] [2025-04-24 17:29:21,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:21,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:21,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-04-24 17:29:21,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-04-24 17:29:21,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:21,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:21,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 17:29:21,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 104 proven. 21 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-24 17:29:21,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1705501830] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:21,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:29:21,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2025-04-24 17:29:21,613 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:29:21,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 17:29:21,613 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:21,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-24 17:29:21,613 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:21,613 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-04-24 17:29:21,614 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:21,614 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:29:21,614 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:29:21,614 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:21,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1578826595, now seen corresponding path program 8 times [2025-04-24 17:29:21,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:29:21,614 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633873023] [2025-04-24 17:29:21,614 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:29:21,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:21,626 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 125 statements into 2 equivalence classes. [2025-04-24 17:29:21,650 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 125 of 125 statements. [2025-04-24 17:29:21,651 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:29:21,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 70 proven. 59 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-24 17:29:22,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:29:22,024 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633873023] [2025-04-24 17:29:22,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633873023] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:22,024 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344393256] [2025-04-24 17:29:22,024 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:29:22,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:29:22,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:29:22,026 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 17:29:22,027 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 17:29:22,153 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 125 statements into 2 equivalence classes. [2025-04-24 17:29:22,205 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 125 of 125 statements. [2025-04-24 17:29:22,205 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:29:22,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:22,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 17:29:22,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 103 proven. 25 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-04-24 17:29:22,577 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:29:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 99 proven. 29 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-04-24 17:29:22,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344393256] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:29:22,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:29:22,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 44 [2025-04-24 17:29:22,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590924317] [2025-04-24 17:29:22,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:29:22,938 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-04-24 17:29:22,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:29:22,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-04-24 17:29:22,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=1599, Unknown=0, NotChecked=0, Total=1980 [2025-04-24 17:29:22,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:22,940 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:29:22,940 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 6.222222222222222) internal successors, (280), 44 states have internal predecessors, (280), 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 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:29:22,940 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:23,137 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:29:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:23,148 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 17:29:23,339 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,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66 [2025-04-24 17:29:23,339 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:29:23,339 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:29:23,339 INFO L139 ounterexampleChecker]: Examining path program with hash -1156078913, occurence #3 [2025-04-24 17:29:23,339 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:29:23,339 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:29:23,339 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:23,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:29:23,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:23,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 17:29:23,341 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:23,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-24 17:29:23,341 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:23,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 17:29:23,341 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:23,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 17:29:23,341 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:23,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-24 17:29:23,353 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:23,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1482587251, now seen corresponding path program 1 times [2025-04-24 17:29:23,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:29:23,353 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519824452] [2025-04-24 17:29:23,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:23,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:23,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-04-24 17:29:23,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-04-24 17:29:23,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:23,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:23,611 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 96 proven. 23 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 17:29:23,611 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:29:23,612 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519824452] [2025-04-24 17:29:23,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519824452] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:23,612 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1257438199] [2025-04-24 17:29:23,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:29:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:23,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-04-24 17:29:23,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-04-24 17:29:23,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:29:23,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:23,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-24 17:29:23,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:23,910 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 17:29:23,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1257438199] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:23,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:29:23,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 28 [2025-04-24 17:29:23,910 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:29:23,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-04-24 17:29:23,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:23,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-24 17:29:23,910 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:29:23,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-24 17:29:23,910 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:29:23,910 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:29:23,910 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:29:23,910 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:23,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1454997088, now seen corresponding path program 9 times [2025-04-24 17:29:23,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:29:23,910 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17687401] [2025-04-24 17:29:23,910 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:29:23,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:23,923 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 126 statements into 5 equivalence classes. [2025-04-24 17:29:23,939 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 72 of 126 statements. [2025-04-24 17:29:23,939 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 17:29:23,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:24,092 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-04-24 17:29:24,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:29:24,092 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17687401] [2025-04-24 17:29:24,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17687401] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:29:24,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:29:24,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-24 17:29:24,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786081582] [2025-04-24 17:29:24,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:29:24,093 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 17:29:24,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:29:24,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 17:29:24,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-24 17:29:24,094 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:24,094 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:29:24,094 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 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 17:29:24,094 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:24,094 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:24,094 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:24,094 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:24,094 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:24,094 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:24,094 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:24,094 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:24,094 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:24,094 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:24,094 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:24,095 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:24,095 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:24,095 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:24,095 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:24,095 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:29:24,095 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:24,095 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:24,213 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:24,214 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:29:24,214 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:24,214 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:24,214 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2025-04-24 17:29:24,214 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:29:24,214 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:29:24,214 INFO L139 ounterexampleChecker]: Examining path program with hash -613768713, occurence #1 [2025-04-24 17:29:24,214 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:29:24,214 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:29:24,215 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:24,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1084603741, now seen corresponding path program 10 times [2025-04-24 17:29:24,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:29:24,215 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62139578] [2025-04-24 17:29:24,215 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:29:24,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:24,229 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 122 statements into 2 equivalence classes. [2025-04-24 17:29:24,249 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 122 of 122 statements. [2025-04-24 17:29:24,249 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:29:24,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 107 proven. 15 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-24 17:29:24,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:29:24,615 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62139578] [2025-04-24 17:29:24,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62139578] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:24,615 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927781774] [2025-04-24 17:29:24,615 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:29:24,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:29:24,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:29:24,618 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 17:29:24,618 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 17:29:24,751 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 122 statements into 2 equivalence classes. [2025-04-24 17:29:24,802 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 122 of 122 statements. [2025-04-24 17:29:24,802 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 17:29:24,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:24,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-24 17:29:24,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:29:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 10 proven. 109 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-04-24 17:29:25,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:29:25,518 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 15 proven. 104 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-04-24 17:29:25,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927781774] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:29:25,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:29:25,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 46 [2025-04-24 17:29:25,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191439388] [2025-04-24 17:29:25,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:29:25,519 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-04-24 17:29:25,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:29:25,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-04-24 17:29:25,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=1874, Unknown=0, NotChecked=0, Total=2162 [2025-04-24 17:29:25,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:25,520 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:29:25,520 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 6.340425531914893) internal successors, (298), 46 states have internal predecessors, (298), 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 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:25,520 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:29:26,709 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:26,709 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:29:26,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:29:26,719 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 17:29:26,910 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:29:26,910 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:29:26,910 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:29:26,911 INFO L139 ounterexampleChecker]: Examining path program with hash 278722823, occurence #1 [2025-04-24 17:29:26,911 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:29:26,911 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:29:26,911 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:29:26,911 INFO L85 PathProgramCache]: Analyzing trace with hash 78447191, now seen corresponding path program 11 times [2025-04-24 17:29:26,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:29:26,912 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256299383] [2025-04-24 17:29:26,912 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:29:26,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:29:26,948 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 578 statements into 16 equivalence classes. [2025-04-24 17:29:29,172 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 578 of 578 statements. [2025-04-24 17:29:29,172 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-04-24 17:29:29,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:29:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2227 backedges. 415 proven. 302 refuted. 0 times theorem prover too weak. 1510 trivial. 0 not checked. [2025-04-24 17:29:32,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:29:32,743 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256299383] [2025-04-24 17:29:32,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256299383] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:29:32,743 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616954759] [2025-04-24 17:29:32,743 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:29:32,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:29:32,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:29:32,745 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 17:29:32,746 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 17:29:32,956 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 578 statements into 16 equivalence classes. [2025-04-24 17:33:50,638 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 578 of 578 statements. [2025-04-24 17:33:50,638 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-04-24 17:33:50,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:33:50,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 2318 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-04-24 17:33:50,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:33:51,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2227 backedges. 414 proven. 302 refuted. 0 times theorem prover too weak. 1511 trivial. 0 not checked. [2025-04-24 17:33:51,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:33:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2227 backedges. 202 proven. 1926 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-04-24 17:33:52,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616954759] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:33:52,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:33:52,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 64] total 68 [2025-04-24 17:33:52,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034966045] [2025-04-24 17:33:52,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:33:52,714 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2025-04-24 17:33:52,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:33:52,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2025-04-24 17:33:52,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1824, Invalid=2868, Unknown=0, NotChecked=0, Total=4692 [2025-04-24 17:33:52,716 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:33:52,716 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:33:52,717 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 7.811594202898551) internal successors, (539), 68 states have internal predecessors, (539), 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 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:33:52,717 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:33:53,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:33:53,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:33:53,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:33:53,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:33:53,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-24 17:33:53,331 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:33:53,331 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:33:53,331 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:33:53,332 INFO L139 ounterexampleChecker]: Examining path program with hash -572058229, occurence #1 [2025-04-24 17:33:53,332 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:33:53,332 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:33:53,332 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:33:53,332 INFO L85 PathProgramCache]: Analyzing trace with hash 580743583, now seen corresponding path program 12 times [2025-04-24 17:33:53,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:33:53,332 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232948697] [2025-04-24 17:33:53,332 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:33:53,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:33:53,410 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 894 statements into 24 equivalence classes. [2025-04-24 17:33:55,460 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 436 of 894 statements. [2025-04-24 17:33:55,460 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-04-24 17:33:55,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:33:57,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5414 backedges. 146 proven. 433 refuted. 0 times theorem prover too weak. 4835 trivial. 0 not checked. [2025-04-24 17:33:57,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:33:57,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232948697] [2025-04-24 17:33:57,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232948697] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:33:57,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19704578] [2025-04-24 17:33:57,237 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:33:57,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:33:57,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:33:57,239 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 17:33:57,239 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 17:33:57,495 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 894 statements into 24 equivalence classes. [2025-04-24 17:37:13,394 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 436 of 894 statements. [2025-04-24 17:37:13,395 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-04-24 17:37:13,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:13,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 1878 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 17:37:13,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:37:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5414 backedges. 88 proven. 21 refuted. 0 times theorem prover too weak. 5305 trivial. 0 not checked. [2025-04-24 17:37:14,197 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:37:15,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5414 backedges. 24 proven. 85 refuted. 0 times theorem prover too weak. 5305 trivial. 0 not checked. [2025-04-24 17:37:15,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19704578] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:37:15,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:37:15,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 16, 16] total 57 [2025-04-24 17:37:15,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530278522] [2025-04-24 17:37:15,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:37:15,024 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-04-24 17:37:15,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:37:15,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-04-24 17:37:15,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=707, Invalid=2485, Unknown=0, NotChecked=0, Total=3192 [2025-04-24 17:37:15,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:37:15,026 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:37:15,026 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 5.964912280701754) internal successors, (340), 57 states have internal predecessors, (340), 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 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:37:15,026 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:37:15,355 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:37:15,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 17:37:15,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-24 17:37:15,556 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,SelfDestructingSolverStorable72 [2025-04-24 17:37:15,556 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:37:15,556 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:37:15,557 INFO L139 ounterexampleChecker]: Examining path program with hash -572058229, occurence #2 [2025-04-24 17:37:15,557 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:37:15,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:37:15,557 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:37:15,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:37:15,557 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:37:15,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-24 17:37:15,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:37:15,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 17:37:15,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:37:15,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 17:37:15,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:37:15,557 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-24 17:37:15,557 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:37:15,558 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2025-04-24 17:37:15,573 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:37:15,574 INFO L85 PathProgramCache]: Analyzing trace with hash 83241457, now seen corresponding path program 1 times [2025-04-24 17:37:15,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:37:15,574 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634412235] [2025-04-24 17:37:15,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:15,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:15,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes. [2025-04-24 17:37:15,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 228 of 228 statements. [2025-04-24 17:37:15,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:15,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:16,279 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 87 proven. 411 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-04-24 17:37:16,280 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:37:16,280 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634412235] [2025-04-24 17:37:16,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634412235] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:16,280 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1741819495] [2025-04-24 17:37:16,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:16,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:16,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes. [2025-04-24 17:37:16,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 228 of 228 statements. [2025-04-24 17:37:16,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:16,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:16,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-24 17:37:16,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:37:16,802 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 470 proven. 28 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-04-24 17:37:16,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1741819495] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:16,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:37:16,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2025-04-24 17:37:16,802 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:37:16,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 438 [2025-04-24 17:37:16,813 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:37:16,813 INFO L85 PathProgramCache]: Analyzing trace with hash 2082385913, now seen corresponding path program 1 times [2025-04-24 17:37:16,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:37:16,813 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647277236] [2025-04-24 17:37:16,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:16,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:16,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 439 statements into 1 equivalence classes. [2025-04-24 17:37:16,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 439 of 439 statements. [2025-04-24 17:37:16,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:16,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2468 backedges. 732 proven. 814 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2025-04-24 17:37:18,264 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:37:18,264 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647277236] [2025-04-24 17:37:18,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647277236] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:18,264 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [257630900] [2025-04-24 17:37:18,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:18,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:18,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 439 statements into 1 equivalence classes. [2025-04-24 17:37:18,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 439 of 439 statements. [2025-04-24 17:37:18,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:18,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:18,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 1803 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 17:37:18,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:37:18,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2468 backedges. 1453 proven. 93 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2025-04-24 17:37:18,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [257630900] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:18,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:37:18,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2025-04-24 17:37:18,977 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:37:18,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 457 [2025-04-24 17:37:18,995 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:37:18,995 INFO L85 PathProgramCache]: Analyzing trace with hash -487110385, now seen corresponding path program 1 times [2025-04-24 17:37:18,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:37:18,995 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103951118] [2025-04-24 17:37:18,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:18,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:19,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 458 statements into 1 equivalence classes. [2025-04-24 17:37:19,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 458 of 458 statements. [2025-04-24 17:37:19,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:19,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 33 proven. 563 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2025-04-24 17:37:20,507 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:37:20,507 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103951118] [2025-04-24 17:37:20,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103951118] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:20,507 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [330662460] [2025-04-24 17:37:20,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:20,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:20,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 458 statements into 1 equivalence classes. [2025-04-24 17:37:20,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 458 of 458 statements. [2025-04-24 17:37:20,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:20,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:20,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 1853 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 17:37:20,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:37:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 557 proven. 39 refuted. 0 times theorem prover too weak. 1903 trivial. 0 not checked. [2025-04-24 17:37:21,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [330662460] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:21,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:37:21,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2025-04-24 17:37:21,284 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:37:21,285 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 460 is hopeless, skipping. [2025-04-24 17:37:21,285 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 550 is hopeless, skipping. [2025-04-24 17:37:21,285 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 649 is hopeless, skipping. [2025-04-24 17:37:21,285 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 668 is hopeless, skipping. [2025-04-24 17:37:21,285 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 671 is hopeless, skipping. [2025-04-24 17:37:21,285 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 674 [2025-04-24 17:37:21,296 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:37:21,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1623262001, now seen corresponding path program 1 times [2025-04-24 17:37:21,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:37:21,297 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215540190] [2025-04-24 17:37:21,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:21,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:21,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 675 statements into 1 equivalence classes. [2025-04-24 17:37:21,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 675 of 675 statements. [2025-04-24 17:37:21,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:21,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:23,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4828 backedges. 2232 proven. 814 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2025-04-24 17:37:23,651 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:37:23,651 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215540190] [2025-04-24 17:37:23,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215540190] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:23,651 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [488775769] [2025-04-24 17:37:23,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:23,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:23,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 675 statements into 1 equivalence classes. [2025-04-24 17:37:24,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 675 of 675 statements. [2025-04-24 17:37:24,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:24,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:24,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 2613 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 17:37:24,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:37:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4828 backedges. 2953 proven. 93 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2025-04-24 17:37:24,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [488775769] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:24,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:37:24,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2025-04-24 17:37:24,548 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:37:24,548 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 696 is hopeless, skipping. [2025-04-24 17:37:24,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 697 [2025-04-24 17:37:24,548 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:37:24,548 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 699 is hopeless, skipping. [2025-04-24 17:37:24,548 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 726 is hopeless, skipping. [2025-04-24 17:37:24,548 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 739 is hopeless, skipping. [2025-04-24 17:37:24,548 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 741 [2025-04-24 17:37:24,554 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:37:24,554 INFO L85 PathProgramCache]: Analyzing trace with hash 434605457, now seen corresponding path program 1 times [2025-04-24 17:37:24,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:37:24,554 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439796099] [2025-04-24 17:37:24,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:24,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:24,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 742 statements into 1 equivalence classes. [2025-04-24 17:37:24,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 742 of 742 statements. [2025-04-24 17:37:24,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:24,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 5183 backedges. 2416 proven. 787 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2025-04-24 17:37:27,474 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:37:27,474 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439796099] [2025-04-24 17:37:27,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439796099] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:27,474 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1299451015] [2025-04-24 17:37:27,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:27,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:27,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 742 statements into 1 equivalence classes. [2025-04-24 17:37:27,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 742 of 742 statements. [2025-04-24 17:37:27,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:27,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:27,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 17:37:27,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:37:28,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5183 backedges. 3137 proven. 66 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2025-04-24 17:37:28,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1299451015] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:28,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:37:28,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2025-04-24 17:37:28,452 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:37:28,452 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 768 is hopeless, skipping. [2025-04-24 17:37:28,452 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 785 is hopeless, skipping. [2025-04-24 17:37:28,452 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 798 is hopeless, skipping. [2025-04-24 17:37:28,452 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 810 is hopeless, skipping. [2025-04-24 17:37:28,452 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 812 is hopeless, skipping. [2025-04-24 17:37:28,452 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 845 is hopeless, skipping. [2025-04-24 17:37:28,452 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 847 [2025-04-24 17:37:28,464 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:37:28,464 INFO L85 PathProgramCache]: Analyzing trace with hash 699317714, now seen corresponding path program 1 times [2025-04-24 17:37:28,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:37:28,464 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298991588] [2025-04-24 17:37:28,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:28,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:28,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 848 statements into 1 equivalence classes. [2025-04-24 17:37:28,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 848 of 848 statements. [2025-04-24 17:37:28,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:28,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5339 backedges. 2437 proven. 814 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2025-04-24 17:37:31,526 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:37:31,526 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298991588] [2025-04-24 17:37:31,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298991588] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:31,526 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [864846641] [2025-04-24 17:37:31,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:31,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:31,588 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 848 statements into 1 equivalence classes. [2025-04-24 17:37:32,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 848 of 848 statements. [2025-04-24 17:37:32,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:32,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:32,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 3284 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 17:37:32,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:37:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5339 backedges. 3158 proven. 93 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2025-04-24 17:37:32,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [864846641] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:32,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:37:32,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2025-04-24 17:37:32,670 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:37:32,671 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 852 is hopeless, skipping. [2025-04-24 17:37:32,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 872 [2025-04-24 17:37:32,678 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:37:32,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1014284653, now seen corresponding path program 1 times [2025-04-24 17:37:32,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:37:32,679 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801556211] [2025-04-24 17:37:32,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:32,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:32,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 873 statements into 1 equivalence classes. [2025-04-24 17:37:33,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 873 of 873 statements. [2025-04-24 17:37:33,223 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:33,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:36,187 INFO L134 CoverageAnalysis]: Checked inductivity of 5394 backedges. 2437 proven. 814 refuted. 0 times theorem prover too weak. 2143 trivial. 0 not checked. [2025-04-24 17:37:36,187 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:37:36,187 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801556211] [2025-04-24 17:37:36,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801556211] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:36,187 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [392028279] [2025-04-24 17:37:36,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:36,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:36,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 873 statements into 1 equivalence classes. [2025-04-24 17:37:36,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 873 of 873 statements. [2025-04-24 17:37:36,835 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:36,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:36,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 3378 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 17:37:36,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:37:37,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5394 backedges. 3158 proven. 93 refuted. 0 times theorem prover too weak. 2143 trivial. 0 not checked. [2025-04-24 17:37:37,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [392028279] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:37,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:37:37,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2025-04-24 17:37:37,374 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:37:37,374 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 882 is hopeless, skipping. [2025-04-24 17:37:37,375 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 892 [2025-04-24 17:37:37,375 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:37:37,375 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 893 [2025-04-24 17:37:37,375 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:37:37,375 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:37:37,375 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:37:37,375 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:37:37,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1453948641, now seen corresponding path program 13 times [2025-04-24 17:37:37,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:37:37,375 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235077935] [2025-04-24 17:37:37,375 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:37:37,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:37,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 895 statements into 1 equivalence classes. [2025-04-24 17:37:37,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 895 of 895 statements. [2025-04-24 17:37:37,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:37,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5421 backedges. 2437 proven. 814 refuted. 0 times theorem prover too weak. 2170 trivial. 0 not checked. [2025-04-24 17:37:40,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:37:40,773 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235077935] [2025-04-24 17:37:40,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235077935] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:40,774 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725604221] [2025-04-24 17:37:40,774 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:37:40,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:37:40,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:37:40,775 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 17:37:40,776 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 17:37:41,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 895 statements into 1 equivalence classes. [2025-04-24 17:37:41,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 895 of 895 statements. [2025-04-24 17:37:41,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:41,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:41,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 3481 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-24 17:37:41,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:37:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5421 backedges. 1942 proven. 33 refuted. 0 times theorem prover too weak. 3446 trivial. 0 not checked. [2025-04-24 17:37:41,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:37:42,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5421 backedges. 1919 proven. 56 refuted. 0 times theorem prover too weak. 3446 trivial. 0 not checked. [2025-04-24 17:37:42,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725604221] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:37:42,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:37:42,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 49 [2025-04-24 17:37:42,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61169983] [2025-04-24 17:37:42,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:37:42,336 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-04-24 17:37:42,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:37:42,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-04-24 17:37:42,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=1967, Unknown=0, NotChecked=0, Total=2450 [2025-04-24 17:37:42,337 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:37:42,337 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:37:42,338 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 7.22) internal successors, (361), 49 states have internal predecessors, (361), 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 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:37:42,338 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:37:42,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:37:42,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:37:42,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 17:37:42,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:37:42,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:42,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:42,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:37:42,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:42,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:37:42,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:42,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:37:42,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:37:42,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:37:42,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:37:42,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 17:37:42,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:42,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 17:37:42,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:37:42,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:37:42,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:37:42,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:37:42,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:37:42,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 17:37:42,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:37:42,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 17:37:42,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:37:42,613 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 17:37:42,801 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable73,SelfDestructingSolverStorable84,SelfDestructingSolverStorable74,SelfDestructingSolverStorable85,SelfDestructingSolverStorable75,SelfDestructingSolverStorable86,SelfDestructingSolverStorable76,SelfDestructingSolverStorable87,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2025-04-24 17:37:42,801 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-24 17:37:42,801 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:37:42,802 INFO L139 ounterexampleChecker]: Examining path program with hash -572058229, occurence #3 [2025-04-24 17:37:42,802 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:37:42,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:37:42,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:37:42,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 17:37:42,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:37:42,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 17:37:42,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:37:42,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 17:37:42,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:37:42,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 17:37:42,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:37:42,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 17:37:42,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:37:42,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2025-04-24 17:37:42,818 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:37:42,818 INFO L85 PathProgramCache]: Analyzing trace with hash -323979357, now seen corresponding path program 1 times [2025-04-24 17:37:42,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:37:42,818 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066522350] [2025-04-24 17:37:42,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:42,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:42,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 229 statements into 1 equivalence classes. [2025-04-24 17:37:42,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 229 of 229 statements. [2025-04-24 17:37:42,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:42,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:43,573 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 131 proven. 441 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2025-04-24 17:37:43,573 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:37:43,573 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066522350] [2025-04-24 17:37:43,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066522350] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:43,573 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1078634333] [2025-04-24 17:37:43,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:43,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:43,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 229 statements into 1 equivalence classes. [2025-04-24 17:37:43,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 229 of 229 statements. [2025-04-24 17:37:43,647 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:43,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:43,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-24 17:37:43,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:37:44,178 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 536 proven. 36 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2025-04-24 17:37:44,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1078634333] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:44,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:37:44,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2025-04-24 17:37:44,179 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:37:44,179 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 439 [2025-04-24 17:37:44,189 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:37:44,189 INFO L85 PathProgramCache]: Analyzing trace with hash -840109231, now seen corresponding path program 1 times [2025-04-24 17:37:44,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:37:44,189 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311891581] [2025-04-24 17:37:44,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:44,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:44,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 440 statements into 1 equivalence classes. [2025-04-24 17:37:44,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 440 of 440 statements. [2025-04-24 17:37:44,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:44,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2476 backedges. 732 proven. 825 refuted. 0 times theorem prover too weak. 919 trivial. 0 not checked. [2025-04-24 17:37:45,713 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:37:45,713 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311891581] [2025-04-24 17:37:45,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311891581] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:45,713 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [716877586] [2025-04-24 17:37:45,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:45,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:45,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 440 statements into 1 equivalence classes. [2025-04-24 17:37:45,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 440 of 440 statements. [2025-04-24 17:37:45,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:45,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:45,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 1812 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-24 17:37:45,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:37:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2476 backedges. 1453 proven. 104 refuted. 0 times theorem prover too weak. 919 trivial. 0 not checked. [2025-04-24 17:37:46,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [716877586] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:46,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:37:46,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2025-04-24 17:37:46,544 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:37:46,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 458 [2025-04-24 17:37:46,562 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:37:46,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1826570497, now seen corresponding path program 1 times [2025-04-24 17:37:46,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:37:46,562 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647750182] [2025-04-24 17:37:46,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:46,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:46,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 459 statements into 1 equivalence classes. [2025-04-24 17:37:46,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 459 of 459 statements. [2025-04-24 17:37:46,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:46,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2507 backedges. 70 proven. 668 refuted. 0 times theorem prover too weak. 1769 trivial. 0 not checked. [2025-04-24 17:37:48,174 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:37:48,174 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647750182] [2025-04-24 17:37:48,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647750182] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:48,174 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [476772579] [2025-04-24 17:37:48,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:48,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:48,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 459 statements into 1 equivalence classes. [2025-04-24 17:37:48,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 459 of 459 statements. [2025-04-24 17:37:48,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:48,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:48,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 1862 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-24 17:37:48,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:37:49,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2507 backedges. 687 proven. 51 refuted. 0 times theorem prover too weak. 1769 trivial. 0 not checked. [2025-04-24 17:37:49,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [476772579] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:49,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:37:49,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 36 [2025-04-24 17:37:49,046 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:37:49,046 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 461 is hopeless, skipping. [2025-04-24 17:37:49,046 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 551 is hopeless, skipping. [2025-04-24 17:37:49,046 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 650 is hopeless, skipping. [2025-04-24 17:37:49,046 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 669 is hopeless, skipping. [2025-04-24 17:37:49,046 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 672 is hopeless, skipping. [2025-04-24 17:37:49,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 675 [2025-04-24 17:37:49,058 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:37:49,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1960894375, now seen corresponding path program 1 times [2025-04-24 17:37:49,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:37:49,058 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659004720] [2025-04-24 17:37:49,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:49,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:49,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 676 statements into 1 equivalence classes. [2025-04-24 17:37:49,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 676 of 676 statements. [2025-04-24 17:37:49,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:49,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4836 backedges. 2232 proven. 825 refuted. 0 times theorem prover too weak. 1779 trivial. 0 not checked. [2025-04-24 17:37:51,381 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:37:51,382 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659004720] [2025-04-24 17:37:51,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659004720] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:37:51,382 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [62994442] [2025-04-24 17:37:51,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:37:51,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:37:51,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 676 statements into 1 equivalence classes. [2025-04-24 17:37:51,802 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 676 of 676 statements. [2025-04-24 17:37:51,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:37:51,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:37:51,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 2622 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-24 17:37:51,820 INFO L279 TraceCheckSpWp]: Computing forward predicates...