./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.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/parallel-parallel-sum-equiv.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 2d41b1dc1d5d7eec1f1fd4e3cbbef0194aa2dded6486a15b383e9bb8fe1468a3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-0184973-m [2025-04-24 17:10:42,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 17:10:42,073 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 17:10:42,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 17:10:42,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 17:10:42,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 17:10:42,094 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 17:10:42,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 17:10:42,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 17:10:42,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 17:10:42,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 17:10:42,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 17:10:42,095 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 17:10:42,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 17:10:42,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 17:10:42,095 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 17:10:42,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 17:10:42,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 17:10:42,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 17:10:42,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 17:10:42,096 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:10:42,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:10:42,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 17:10:42,096 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 17:10:42,097 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 17:10:42,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 17:10:42,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 17:10:42,097 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 17:10:42,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 17:10:42,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 17:10:42,097 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 17:10:42,097 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 17:10:42,097 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 -> 2d41b1dc1d5d7eec1f1fd4e3cbbef0194aa2dded6486a15b383e9bb8fe1468a3 [2025-04-24 17:10:42,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 17:10:42,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 17:10:42,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 17:10:42,350 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 17:10:42,350 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 17:10:42,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2025-04-24 17:10:43,679 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6b1f31fbe/60977946ef674f8993d01fd584e03082/FLAG176522085 [2025-04-24 17:10:43,839 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 17:10:43,840 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2025-04-24 17:10:43,847 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6b1f31fbe/60977946ef674f8993d01fd584e03082/FLAG176522085 [2025-04-24 17:10:44,680 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6b1f31fbe/60977946ef674f8993d01fd584e03082 [2025-04-24 17:10:44,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 17:10:44,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 17:10:44,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 17:10:44,684 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 17:10:44,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 17:10:44,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:44,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df5faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44, skipping insertion in model container [2025-04-24 17:10:44,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:44,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 17:10:44,859 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3822,3835] [2025-04-24 17:10:44,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:10:44,879 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 17:10:44,914 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3822,3835] [2025-04-24 17:10:44,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:10:44,938 INFO L204 MainTranslator]: Completed translation [2025-04-24 17:10:44,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44 WrapperNode [2025-04-24 17:10:44,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 17:10:44,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 17:10:44,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 17:10:44,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 17:10:44,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:44,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:44,978 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 245 [2025-04-24 17:10:44,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 17:10:44,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 17:10:44,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 17:10:44,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 17:10:44,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:44,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:44,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:44,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:45,002 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:45,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:45,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:45,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:45,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:45,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 17:10:45,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 17:10:45,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 17:10:45,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 17:10:45,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (1/1) ... [2025-04-24 17:10:45,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:10:45,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:45,045 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 17:10:45,049 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 17:10:45,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 17:10:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 17:10:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 17:10:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 17:10:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 17:10:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 17:10:45,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 17:10:45,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-24 17:10:45,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-24 17:10:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-24 17:10:45,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-24 17:10:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 17:10:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 17:10:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 17:10:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 17:10:45,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 17:10:45,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 17:10:45,070 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 17:10:45,153 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 17:10:45,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 17:10:45,434 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 17:10:45,434 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 17:10:45,641 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 17:10:45,641 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-04-24 17:10:45,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:10:45 BoogieIcfgContainer [2025-04-24 17:10:45,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 17:10:45,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 17:10:45,644 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 17:10:45,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 17:10:45,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 05:10:44" (1/3) ... [2025-04-24 17:10:45,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60999123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:10:45, skipping insertion in model container [2025-04-24 17:10:45,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:10:44" (2/3) ... [2025-04-24 17:10:45,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60999123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:10:45, skipping insertion in model container [2025-04-24 17:10:45,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:10:45" (3/3) ... [2025-04-24 17:10:45,650 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2025-04-24 17:10:45,661 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 17:10:45,664 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-equiv.wvr.c that has 5 procedures, 48 locations, 50 edges, 1 initial locations, 4 loop locations, and 1 error locations. [2025-04-24 17:10:45,664 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 17:10:45,719 INFO L143 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2025-04-24 17:10:45,749 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:10:45,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 17:10:45,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:45,755 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 17:10:45,756 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 17:10:45,852 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 17:10:45,863 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2025-04-24 17:10:45,868 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;@64553052, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:10:45,868 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-24 17:10:45,971 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2025-04-24 17:10:45,972 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-04-24 17:10:45,976 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-04-24 17:10:45,979 INFO L320 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE (1/2) [2025-04-24 17:10:45,982 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:10:45,984 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 17:10:45,984 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 17:10:45,985 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;@64553052, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:10:45,985 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-24 17:10:46,024 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:46,024 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:46,025 INFO L139 ounterexampleChecker]: Examining path program with hash 790711172, occurence #1 [2025-04-24 17:10:46,025 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:10:46,025 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:46,028 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:46,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1145552558, now seen corresponding path program 1 times [2025-04-24 17:10:46,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:46,033 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041012686] [2025-04-24 17:10:46,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:46,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:46,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-04-24 17:10:46,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-04-24 17:10:46,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:46,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:46,202 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 17:10:46,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:46,204 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041012686] [2025-04-24 17:10:46,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041012686] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:10:46,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:10:46,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 17:10:46,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146201139] [2025-04-24 17:10:46,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:10:46,207 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-24 17:10:46,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:46,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-24 17:10:46,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-24 17:10:46,222 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:46,223 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:46,225 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 17:10:46,225 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:46,331 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:46,332 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 17:10:46,332 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:46,332 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:46,332 INFO L139 ounterexampleChecker]: Examining path program with hash -638639142, occurence #1 [2025-04-24 17:10:46,332 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:10:46,332 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:46,333 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:46,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1047919218, now seen corresponding path program 1 times [2025-04-24 17:10:46,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:46,333 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671663638] [2025-04-24 17:10:46,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:46,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:46,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-04-24 17:10:46,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-24 17:10:46,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:46,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:46,661 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 17:10:46,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:46,661 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671663638] [2025-04-24 17:10:46,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671663638] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:10:46,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:10:46,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-24 17:10:46,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880155878] [2025-04-24 17:10:46,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:10:46,662 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 17:10:46,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:46,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 17:10:46,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-24 17:10:46,663 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:46,663 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:46,663 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:10:46,663 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:46,663 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:46,791 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:46,791 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:46,791 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 17:10:46,791 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:46,792 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:46,792 INFO L139 ounterexampleChecker]: Examining path program with hash 935490232, occurence #1 [2025-04-24 17:10:46,792 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:10:46,792 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:46,792 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:46,792 INFO L85 PathProgramCache]: Analyzing trace with hash 36044585, now seen corresponding path program 1 times [2025-04-24 17:10:46,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:46,792 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999432705] [2025-04-24 17:10:46,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:46,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:46,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-04-24 17:10:46,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-24 17:10:46,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:46,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 17:10:46,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:46,981 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999432705] [2025-04-24 17:10:46,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999432705] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:10:46,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:10:46,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 17:10:46,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255501528] [2025-04-24 17:10:46,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:10:46,981 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 17:10:46,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:46,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 17:10:46,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-24 17:10:46,982 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:46,982 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:46,982 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 17:10:46,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:46,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:46,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:47,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:47,061 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:47,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:47,062 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 17:10:47,062 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:47,062 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:47,062 INFO L139 ounterexampleChecker]: Examining path program with hash 935490232, occurence #2 [2025-04-24 17:10:47,062 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:10:47,062 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:10:47,063 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:47,063 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:10:47,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:47,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:10:47,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:47,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 17:10:47,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:47,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 17:10:47,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:47,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 17:10:47,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:47,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-24 17:10:47,065 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:47,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-24 17:10:47,066 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:47,066 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 17:10:47,066 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:47,066 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 17:10:47,066 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:47,066 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 17:10:47,066 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:47,066 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:10:47,066 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:47,070 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:47,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1946332658, now seen corresponding path program 1 times [2025-04-24 17:10:47,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:47,071 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70391534] [2025-04-24 17:10:47,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:47,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:47,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-04-24 17:10:47,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-04-24 17:10:47,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:47,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 17:10:47,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:47,276 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70391534] [2025-04-24 17:10:47,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70391534] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:47,276 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844035981] [2025-04-24 17:10:47,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:47,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:47,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:47,400 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 17:10:47,402 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 17:10:47,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-04-24 17:10:47,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-04-24 17:10:47,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:47,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:47,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 17:10:47,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 17:10:47,624 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-24 17:10:47,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844035981] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:47,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:47,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-04-24 17:10:47,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511362314] [2025-04-24 17:10:47,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:47,709 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-24 17:10:47,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:47,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-24 17:10:47,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2025-04-24 17:10:47,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:47,710 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:47,711 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 11 states have internal predecessors, (87), 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 17:10:47,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:47,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:47,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:47,711 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:47,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:47,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:47,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:47,916 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:47,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-24 17:10:48,120 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:48,121 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:48,121 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:48,121 INFO L139 ounterexampleChecker]: Examining path program with hash 935490232, occurence #3 [2025-04-24 17:10:48,121 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:10:48,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:10:48,121 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:48,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:10:48,122 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:48,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:10:48,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:48,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 17:10:48,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:48,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 17:10:48,122 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:48,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 17:10:48,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:48,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 17:10:48,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:48,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-24 17:10:48,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:48,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 17:10:48,123 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:48,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-24 17:10:48,123 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:48,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-24 17:10:48,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:48,123 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:10:48,123 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:48,123 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:48,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1035720777, now seen corresponding path program 2 times [2025-04-24 17:10:48,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:48,123 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648526433] [2025-04-24 17:10:48,123 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:10:48,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:48,135 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-04-24 17:10:48,161 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-04-24 17:10:48,162 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:10:48,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:10:48,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:48,395 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648526433] [2025-04-24 17:10:48,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648526433] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:48,395 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650272613] [2025-04-24 17:10:48,395 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:10:48,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:48,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:48,398 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 17:10:48,399 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 17:10:48,457 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-04-24 17:10:48,487 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-04-24 17:10:48,488 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:10:48,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:48,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 17:10:48,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:48,596 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:10:48,597 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 17:10:48,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650272613] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:48,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:48,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 19 [2025-04-24 17:10:48,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649021974] [2025-04-24 17:10:48,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:48,673 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-04-24 17:10:48,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:48,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-04-24 17:10:48,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2025-04-24 17:10:48,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:48,674 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:48,674 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 19 states have internal predecessors, (119), 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 17:10:48,674 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:48,674 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:48,674 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:48,674 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:48,674 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:48,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:48,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:48,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:48,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:48,891 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:48,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-24 17:10:49,092 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:49,092 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:49,092 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:49,092 INFO L139 ounterexampleChecker]: Examining path program with hash 935490232, occurence #4 [2025-04-24 17:10:49,092 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:10:49,092 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:10:49,092 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:49,092 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 17:10:49,093 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:49,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 17:10:49,093 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:49,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 17:10:49,093 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:49,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 17:10:49,093 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:49,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 17:10:49,093 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:49,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-24 17:10:49,093 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:49,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 17:10:49,093 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:49,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-04-24 17:10:49,093 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:49,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 17:10:49,093 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:49,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-24 17:10:49,093 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:49,093 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:10:49,093 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:49,093 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:49,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1423443758, now seen corresponding path program 3 times [2025-04-24 17:10:49,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:49,094 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163292240] [2025-04-24 17:10:49,094 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:10:49,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:49,107 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 63 statements into 3 equivalence classes. [2025-04-24 17:10:49,137 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 63 statements. [2025-04-24 17:10:49,137 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 17:10:49,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:49,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:10:49,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:49,316 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163292240] [2025-04-24 17:10:49,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163292240] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:49,316 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965985594] [2025-04-24 17:10:49,316 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:10:49,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:49,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:49,319 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 17:10:49,320 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 17:10:49,374 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 63 statements into 3 equivalence classes. [2025-04-24 17:10:49,404 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 63 statements. [2025-04-24 17:10:49,405 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 17:10:49,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:49,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 17:10:49,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:10:49,554 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:10:49,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965985594] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:49,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:10:49,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 10] total 24 [2025-04-24 17:10:49,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941098395] [2025-04-24 17:10:49,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:10:49,657 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 17:10:49,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:49,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 17:10:49,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2025-04-24 17:10:49,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:49,658 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:49,658 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 17:10:49,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:49,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:49,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:49,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:49,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:49,659 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:49,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:49,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:49,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:49,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:49,848 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:49,849 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:49,860 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 17:10:50,049 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:50,050 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:50,050 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:50,050 INFO L139 ounterexampleChecker]: Examining path program with hash -298288546, occurence #1 [2025-04-24 17:10:50,050 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:10:50,050 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:50,050 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:50,050 INFO L85 PathProgramCache]: Analyzing trace with hash 596510516, now seen corresponding path program 4 times [2025-04-24 17:10:50,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:50,051 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261842916] [2025-04-24 17:10:50,051 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:10:50,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:50,062 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 79 statements into 2 equivalence classes. [2025-04-24 17:10:50,067 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 52 of 79 statements. [2025-04-24 17:10:50,067 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:10:50,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 17:10:50,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:50,200 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261842916] [2025-04-24 17:10:50,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261842916] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:10:50,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:10:50,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-24 17:10:50,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803834374] [2025-04-24 17:10:50,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:10:50,201 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 17:10:50,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:50,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 17:10:50,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-04-24 17:10:50,202 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:50,202 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:50,202 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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 17:10:50,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:50,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:50,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:50,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:50,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:50,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:50,202 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:50,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:50,610 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:50,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:50,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:50,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:50,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:50,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:50,611 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-24 17:10:50,611 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:50,611 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:50,611 INFO L139 ounterexampleChecker]: Examining path program with hash 828919718, occurence #1 [2025-04-24 17:10:50,611 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:10:50,611 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:50,612 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:50,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1098356291, now seen corresponding path program 5 times [2025-04-24 17:10:50,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:50,612 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614198239] [2025-04-24 17:10:50,612 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:10:50,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:50,621 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 83 statements into 4 equivalence classes. [2025-04-24 17:10:50,652 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 83 of 83 statements. [2025-04-24 17:10:50,652 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 17:10:50,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:50,802 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 17:10:50,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:50,802 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614198239] [2025-04-24 17:10:50,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614198239] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:50,802 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533891053] [2025-04-24 17:10:50,802 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:10:50,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:50,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:50,804 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 17:10:50,806 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 17:10:50,865 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 83 statements into 4 equivalence classes. [2025-04-24 17:10:50,921 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 83 of 83 statements. [2025-04-24 17:10:50,921 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 17:10:50,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:50,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-24 17:10:50,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:51,068 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 17:10:51,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:51,188 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 17:10:51,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533891053] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:51,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:51,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 23 [2025-04-24 17:10:51,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619938245] [2025-04-24 17:10:51,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:51,189 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-04-24 17:10:51,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:51,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-04-24 17:10:51,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2025-04-24 17:10:51,191 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:51,191 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:51,191 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.791666666666667) internal successors, (139), 23 states have internal predecessors, (139), 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 17:10:51,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:51,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:51,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:51,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:51,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:51,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:51,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:51,192 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:51,364 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:51,364 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:51,364 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:51,364 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:51,364 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:51,364 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:51,364 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:51,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:10:51,372 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 17:10:51,565 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,SelfDestructingSolverStorable7 [2025-04-24 17:10:51,566 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:51,566 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:51,566 INFO L139 ounterexampleChecker]: Examining path program with hash 828919718, occurence #2 [2025-04-24 17:10:51,566 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:10:51,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:10:51,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:51,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:10:51,566 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:51,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 17:10:51,566 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:51,566 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 17:10:51,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:51,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 17:10:51,567 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:51,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-24 17:10:51,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:51,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 17:10:51,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:51,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-24 17:10:51,567 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:51,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 17:10:51,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:51,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 17:10:51,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:51,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 17:10:51,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:51,567 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-24 17:10:51,567 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:51,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-24 17:10:51,568 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:51,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-04-24 17:10:51,568 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:51,568 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:10:51,568 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:51,568 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:51,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1601210077, now seen corresponding path program 6 times [2025-04-24 17:10:51,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:51,568 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187881084] [2025-04-24 17:10:51,569 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:10:51,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:51,585 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 85 statements into 4 equivalence classes. [2025-04-24 17:10:51,669 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 85 of 85 statements. [2025-04-24 17:10:51,669 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-24 17:10:51,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 25 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:10:51,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:51,923 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187881084] [2025-04-24 17:10:51,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187881084] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:51,923 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820212447] [2025-04-24 17:10:51,923 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:10:51,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:51,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:51,925 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 17:10:51,927 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 17:10:51,983 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 85 statements into 4 equivalence classes. [2025-04-24 17:10:52,023 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 85 of 85 statements. [2025-04-24 17:10:52,023 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-24 17:10:52,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:52,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-24 17:10:52,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:10:52,357 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:52,592 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:10:52,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820212447] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:52,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:52,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 35 [2025-04-24 17:10:52,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764822107] [2025-04-24 17:10:52,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:52,593 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-04-24 17:10:52,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:52,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-04-24 17:10:52,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=938, Unknown=0, NotChecked=0, Total=1260 [2025-04-24 17:10:52,595 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:52,595 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:52,595 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.694444444444445) internal successors, (205), 35 states have internal predecessors, (205), 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 17:10:52,595 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:52,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:52,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:52,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:52,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:52,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:52,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:52,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:10:52,596 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:52,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:52,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:52,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:52,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:52,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:52,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:52,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:52,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:10:52,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:10:52,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-24 17:10:53,055 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:53,055 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:53,055 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:53,055 INFO L139 ounterexampleChecker]: Examining path program with hash 828919718, occurence #3 [2025-04-24 17:10:53,056 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:10:53,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:10:53,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:53,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 17:10:53,056 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:53,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 17:10:53,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:53,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 17:10:53,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:53,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 17:10:53,056 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:53,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 17:10:53,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:53,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-24 17:10:53,056 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:53,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-24 17:10:53,056 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:53,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-24 17:10:53,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:53,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 17:10:53,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:53,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-24 17:10:53,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:53,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-24 17:10:53,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:53,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-24 17:10:53,057 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:53,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-04-24 17:10:53,057 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:53,057 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:10:53,057 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:53,057 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:53,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1724242941, now seen corresponding path program 7 times [2025-04-24 17:10:53,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:53,057 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940510797] [2025-04-24 17:10:53,057 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:10:53,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:53,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-04-24 17:10:53,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-04-24 17:10:53,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:53,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 17:10:53,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:53,377 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940510797] [2025-04-24 17:10:53,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940510797] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:53,377 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992953689] [2025-04-24 17:10:53,377 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:10:53,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:53,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:53,379 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 17:10:53,380 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 17:10:53,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-04-24 17:10:53,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-04-24 17:10:53,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:53,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:53,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-24 17:10:53,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:53,767 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 17:10:53,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-24 17:10:53,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992953689] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:53,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:53,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2025-04-24 17:10:53,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195763407] [2025-04-24 17:10:53,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:53,967 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-24 17:10:53,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:53,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-24 17:10:53,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=988, Unknown=0, NotChecked=0, Total=1332 [2025-04-24 17:10:53,968 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:53,968 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:53,968 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.054054054054054) internal successors, (150), 36 states have internal predecessors, (150), 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 17:10:53,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:53,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:53,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:53,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:53,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:53,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:53,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:53,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:10:53,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:10:53,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:54,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:54,305 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:54,305 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:54,305 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:54,305 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:54,305 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:54,305 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:54,305 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:10:54,305 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:10:54,305 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:10:54,314 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 17:10:54,506 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-24 17:10:54,506 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:54,506 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:54,506 INFO L139 ounterexampleChecker]: Examining path program with hash -565225974, occurence #1 [2025-04-24 17:10:54,506 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:10:54,506 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:54,506 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:54,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1777591115, now seen corresponding path program 8 times [2025-04-24 17:10:54,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:54,507 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531543333] [2025-04-24 17:10:54,507 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:10:54,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:54,518 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 103 statements into 2 equivalence classes. [2025-04-24 17:10:54,533 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 103 of 103 statements. [2025-04-24 17:10:54,533 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:10:54,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 21 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:10:54,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:54,842 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531543333] [2025-04-24 17:10:54,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531543333] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:54,842 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836055868] [2025-04-24 17:10:54,842 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:10:54,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:54,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:54,844 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 17:10:54,845 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 17:10:54,911 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 103 statements into 2 equivalence classes. [2025-04-24 17:10:54,954 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 103 of 103 statements. [2025-04-24 17:10:54,954 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:10:54,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:54,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-24 17:10:54,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-24 17:10:55,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-24 17:10:55,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836055868] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:55,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:55,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 46 [2025-04-24 17:10:55,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618920025] [2025-04-24 17:10:55,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:55,607 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-04-24 17:10:55,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:55,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-04-24 17:10:55,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1801, Unknown=0, NotChecked=0, Total=2162 [2025-04-24 17:10:55,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:55,609 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:55,609 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 5.085106382978723) internal successors, (239), 46 states have internal predecessors, (239), 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 17:10:55,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:55,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:55,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:55,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:55,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:55,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:55,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:55,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:10:55,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:10:55,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:10:55,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:56,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:56,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:56,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:56,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:56,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:56,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:56,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:56,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:10:56,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:10:56,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:10:56,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:10:56,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-24 17:10:56,376 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:56,376 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:56,376 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:56,376 INFO L139 ounterexampleChecker]: Examining path program with hash -1937015564, occurence #1 [2025-04-24 17:10:56,376 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:10:56,376 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:56,377 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:56,377 INFO L85 PathProgramCache]: Analyzing trace with hash 230421649, now seen corresponding path program 9 times [2025-04-24 17:10:56,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:56,377 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630956048] [2025-04-24 17:10:56,377 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:10:56,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:56,387 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 132 statements into 7 equivalence classes. [2025-04-24 17:10:56,532 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 132 of 132 statements. [2025-04-24 17:10:56,532 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-04-24 17:10:56,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:57,117 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 229 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:10:57,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:57,117 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630956048] [2025-04-24 17:10:57,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630956048] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:57,117 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448048622] [2025-04-24 17:10:57,117 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:10:57,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:57,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:57,119 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 17:10:57,121 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 17:10:57,198 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 132 statements into 7 equivalence classes. [2025-04-24 17:10:57,296 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 132 of 132 statements. [2025-04-24 17:10:57,296 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-04-24 17:10:57,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:57,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-24 17:10:57,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:57,904 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 246 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:10:57,904 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 246 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 17:10:58,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448048622] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:58,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:58,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 64 [2025-04-24 17:10:58,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489240453] [2025-04-24 17:10:58,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:58,290 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2025-04-24 17:10:58,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:58,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2025-04-24 17:10:58,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1034, Invalid=3126, Unknown=0, NotChecked=0, Total=4160 [2025-04-24 17:10:58,292 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:58,292 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:58,292 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 5.184615384615385) internal successors, (337), 64 states have internal predecessors, (337), 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 17:10:58,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:58,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:58,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:58,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:58,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:58,292 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:58,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:58,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:10:58,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:10:58,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:10:58,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:10:58,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:58,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:58,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:10:58,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:10:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:10:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:10:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:10:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:10:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:10:58,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:10:58,498 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 17:10:58,692 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:58,693 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:10:58,693 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:58,693 INFO L139 ounterexampleChecker]: Examining path program with hash -1937015564, occurence #2 [2025-04-24 17:10:58,693 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:10:58,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:10:58,693 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:58,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 17:10:58,693 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:58,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 17:10:58,693 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:58,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 17:10:58,693 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:58,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 17:10:58,693 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:58,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 17:10:58,725 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:58,726 INFO L85 PathProgramCache]: Analyzing trace with hash 912117379, now seen corresponding path program 1 times [2025-04-24 17:10:58,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:58,726 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931277613] [2025-04-24 17:10:58,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:58,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:58,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-04-24 17:10:58,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-04-24 17:10:58,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:58,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 210 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:10:59,468 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:10:59,468 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931277613] [2025-04-24 17:10:59,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931277613] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:59,468 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [567570989] [2025-04-24 17:10:59,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:59,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:59,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-04-24 17:10:59,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-04-24 17:10:59,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:59,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:59,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-24 17:10:59,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:11:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 228 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:11:00,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [567570989] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:00,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:11:00,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 62 [2025-04-24 17:11:00,318 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:11:00,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-24 17:11:00,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:00,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-24 17:11:00,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:00,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-24 17:11:00,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:00,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2025-04-24 17:11:00,318 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:00,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 17:11:00,318 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:00,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2025-04-24 17:11:00,318 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:00,318 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:11:00,318 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:11:00,319 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:00,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1458190351, now seen corresponding path program 10 times [2025-04-24 17:11:00,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:11:00,319 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199376261] [2025-04-24 17:11:00,319 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:11:00,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:00,333 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 138 statements into 2 equivalence classes. [2025-04-24 17:11:00,338 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 76 of 138 statements. [2025-04-24 17:11:00,338 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:11:00,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:00,510 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 228 proven. 19 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-24 17:11:00,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:11:00,511 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199376261] [2025-04-24 17:11:00,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199376261] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:00,511 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102789971] [2025-04-24 17:11:00,511 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:11:00,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:00,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:11:00,513 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 17:11:00,515 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 17:11:00,606 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 138 statements into 2 equivalence classes. [2025-04-24 17:11:00,630 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 76 of 138 statements. [2025-04-24 17:11:00,630 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:11:00,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:00,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-04-24 17:11:00,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:11:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-24 17:11:01,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:11:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 228 proven. 19 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-24 17:11:01,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102789971] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:11:01,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:11:01,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 26, 13] total 45 [2025-04-24 17:11:01,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655207894] [2025-04-24 17:11:01,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:11:01,347 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-04-24 17:11:01,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:11:01,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-04-24 17:11:01,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=550, Invalid=1430, Unknown=0, NotChecked=0, Total=1980 [2025-04-24 17:11:01,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:01,348 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:11:01,349 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 7.111111111111111) internal successors, (320), 45 states have internal predecessors, (320), 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 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:01,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:02,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:02,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:02,826 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:02,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:02,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:02,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:02,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:02,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:02,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:02,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:02,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:02,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:02,827 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:11:02,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-24 17:11:03,027 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,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2025-04-24 17:11:03,027 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:11:03,027 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:11:03,028 INFO L139 ounterexampleChecker]: Examining path program with hash 109960493, occurence #1 [2025-04-24 17:11:03,028 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:11:03,028 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:11:03,028 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:03,028 INFO L85 PathProgramCache]: Analyzing trace with hash -412564449, now seen corresponding path program 11 times [2025-04-24 17:11:03,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:11:03,028 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128766991] [2025-04-24 17:11:03,028 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:11:03,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:03,047 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 226 statements into 15 equivalence classes. [2025-04-24 17:11:03,179 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 226 of 226 statements. [2025-04-24 17:11:03,179 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-04-24 17:11:03,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 17:11:04,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:11:04,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128766991] [2025-04-24 17:11:04,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128766991] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:04,237 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620168582] [2025-04-24 17:11:04,238 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:11:04,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:04,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:11:04,239 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 17:11:04,240 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 17:11:04,335 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 226 statements into 15 equivalence classes. [2025-04-24 17:11:05,285 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 226 of 226 statements. [2025-04-24 17:11:05,285 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-04-24 17:11:05,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:05,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-04-24 17:11:05,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:11:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 17:11:06,246 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:11:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 17:11:06,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620168582] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:11:06,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:11:06,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 91 [2025-04-24 17:11:06,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955308004] [2025-04-24 17:11:06,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:11:06,984 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2025-04-24 17:11:06,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:11:06,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2025-04-24 17:11:06,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2062, Invalid=6310, Unknown=0, NotChecked=0, Total=8372 [2025-04-24 17:11:06,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:06,989 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:11:06,989 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 4.760869565217392) internal successors, (438), 91 states have internal predecessors, (438), 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 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:11:06,989 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:11:07,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:11:07,231 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 17:11:07,417 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:07,417 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:11:07,417 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:11:07,417 INFO L139 ounterexampleChecker]: Examining path program with hash 109960493, occurence #2 [2025-04-24 17:11:07,417 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:11:07,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:11:07,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 17:11:07,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:07,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-24 17:11:07,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 17:11:07,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 17:11:07,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:07,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-24 17:11:07,425 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:07,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1899170707, now seen corresponding path program 1 times [2025-04-24 17:11:07,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:11:07,425 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441263706] [2025-04-24 17:11:07,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:11:07,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:07,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-04-24 17:11:07,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-04-24 17:11:07,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:11:07,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:11:07,598 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:11:07,598 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:11:07,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-24 17:11:07,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2025-04-24 17:11:07,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-24 17:11:07,598 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:07,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2025-04-24 17:11:07,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 176 [2025-04-24 17:11:07,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-24 17:11:07,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2025-04-24 17:11:07,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-04-24 17:11:07,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-04-24 17:11:07,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-04-24 17:11:07,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-04-24 17:11:07,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2025-04-24 17:11:07,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2025-04-24 17:11:07,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-04-24 17:11:07,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-04-24 17:11:07,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 220 [2025-04-24 17:11:07,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2025-04-24 17:11:07,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-24 17:11:07,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-04-24 17:11:07,600 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:07,601 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-04-24 17:11:07,601 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:07,601 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:11:07,601 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:11:07,601 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:07,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1706070145, now seen corresponding path program 12 times [2025-04-24 17:11:07,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:11:07,601 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139040663] [2025-04-24 17:11:07,601 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:11:07,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:07,620 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 232 statements into 15 equivalence classes. [2025-04-24 17:11:08,107 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 232 of 232 statements. [2025-04-24 17:11:08,107 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-04-24 17:11:08,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 392 proven. 416 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-04-24 17:11:09,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:11:09,284 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139040663] [2025-04-24 17:11:09,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139040663] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:09,284 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387761498] [2025-04-24 17:11:09,284 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:11:09,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:09,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:11:09,286 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 17:11:09,287 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 17:11:09,390 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 232 statements into 15 equivalence classes. [2025-04-24 17:11:10,011 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 232 of 232 statements. [2025-04-24 17:11:10,011 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-04-24 17:11:10,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:10,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-04-24 17:11:10,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:11:11,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 811 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:11:11,628 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:11:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 811 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:11:12,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387761498] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:11:12,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:11:12,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 48, 48] total 115 [2025-04-24 17:11:12,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491670395] [2025-04-24 17:11:12,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:11:12,891 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2025-04-24 17:11:12,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:11:12,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2025-04-24 17:11:12,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2849, Invalid=10261, Unknown=0, NotChecked=0, Total=13110 [2025-04-24 17:11:12,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:12,896 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:11:12,897 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 5.339130434782609) internal successors, (614), 115 states have internal predecessors, (614), 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 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:11:12,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:13,331 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:13,331 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:13,331 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:13,331 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:13,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:13,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:13,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:13,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:13,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:13,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:13,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:13,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:13,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:11:13,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:11:13,332 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:11:13,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-04-24 17:11:13,532 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-24 17:11:13,532 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:11:13,532 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:11:13,533 INFO L139 ounterexampleChecker]: Examining path program with hash 109960493, occurence #3 [2025-04-24 17:11:13,533 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:11:13,533 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:11:13,533 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,533 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 17:11:13,533 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:13,533 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 17:11:13,533 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,533 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 17:11:13,533 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,533 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 17:11:13,533 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:13,533 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-24 17:11:13,537 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:13,537 INFO L85 PathProgramCache]: Analyzing trace with hash 45418046, now seen corresponding path program 1 times [2025-04-24 17:11:13,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:11:13,537 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813079957] [2025-04-24 17:11:13,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:11:13,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:13,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 176 statements into 1 equivalence classes. [2025-04-24 17:11:13,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 176 of 176 statements. [2025-04-24 17:11:13,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:11:13,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:11:13,696 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:11:13,696 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:11:13,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2025-04-24 17:11:13,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-04-24 17:11:13,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-04-24 17:11:13,696 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:13,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2025-04-24 17:11:13,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2025-04-24 17:11:13,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 210 [2025-04-24 17:11:13,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2025-04-24 17:11:13,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2025-04-24 17:11:13,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2025-04-24 17:11:13,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-24 17:11:13,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-04-24 17:11:13,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-04-24 17:11:13,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-04-24 17:11:13,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2025-04-24 17:11:13,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-04-24 17:11:13,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2025-04-24 17:11:13,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2025-04-24 17:11:13,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2025-04-24 17:11:13,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2025-04-24 17:11:13,698 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:13,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 260 [2025-04-24 17:11:13,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:13,698 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:11:13,698 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:11:13,698 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:13,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1494000333, now seen corresponding path program 13 times [2025-04-24 17:11:13,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:11:13,699 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868709981] [2025-04-24 17:11:13,699 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:11:13,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:13,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-04-24 17:11:13,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-04-24 17:11:13,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:11:13,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:16,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 717 proven. 669 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:11:16,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:11:16,910 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868709981] [2025-04-24 17:11:16,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868709981] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:16,910 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156523873] [2025-04-24 17:11:16,910 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:11:16,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:16,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:11:16,912 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 17:11:16,913 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 17:11:17,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-04-24 17:11:17,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-04-24 17:11:17,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:11:17,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:17,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-04-24 17:11:17,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:11:19,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 325 proven. 669 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 17:11:19,165 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:11:21,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 351 proven. 643 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 17:11:21,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156523873] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:11:21,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:11:21,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 52, 52] total 180 [2025-04-24 17:11:21,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764391925] [2025-04-24 17:11:21,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:11:21,364 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2025-04-24 17:11:21,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:11:21,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2025-04-24 17:11:21,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4889, Invalid=27691, Unknown=0, NotChecked=0, Total=32580 [2025-04-24 17:11:21,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:21,371 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:11:21,371 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.546961325966851) internal successors, (642), 180 states have internal predecessors, (642), 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 17:11:21,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:11:21,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:11:23,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:11:23,176 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 17:11:23,368 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:23,369 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:11:23,369 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:11:23,369 INFO L139 ounterexampleChecker]: Examining path program with hash -576128599, occurence #1 [2025-04-24 17:11:23,369 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:11:23,369 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:11:23,369 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:23,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1153232170, now seen corresponding path program 14 times [2025-04-24 17:11:23,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:11:23,370 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468540182] [2025-04-24 17:11:23,370 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:11:23,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:23,394 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 290 statements into 2 equivalence classes. [2025-04-24 17:11:23,487 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 290 of 290 statements. [2025-04-24 17:11:23,487 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:11:23,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:27,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1232 proven. 525 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:11:27,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:11:27,303 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468540182] [2025-04-24 17:11:27,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468540182] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:27,303 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388207032] [2025-04-24 17:11:27,304 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:11:27,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:27,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:11:27,305 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 17:11:27,306 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 17:11:27,421 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 290 statements into 2 equivalence classes. [2025-04-24 17:11:27,512 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 290 of 290 statements. [2025-04-24 17:11:27,512 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:11:27,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:27,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-04-24 17:11:27,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:11:29,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1014 proven. 351 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 17:11:29,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:11:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1014 proven. 351 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-04-24 17:11:31,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388207032] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:11:31,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:11:31,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 55, 55] total 193 [2025-04-24 17:11:31,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614411197] [2025-04-24 17:11:31,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:11:31,870 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2025-04-24 17:11:31,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:11:31,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2025-04-24 17:11:31,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5213, Invalid=32229, Unknown=0, NotChecked=0, Total=37442 [2025-04-24 17:11:31,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:31,874 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:11:31,875 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 3.577319587628866) internal successors, (694), 193 states have internal predecessors, (694), 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 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:11:31,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:11:31,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:11:31,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:11:31,876 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:11:32,269 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:11:32,272 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:11:32,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-24 17:11:32,473 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:32,473 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:11:32,473 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:11:32,473 INFO L139 ounterexampleChecker]: Examining path program with hash -576128599, occurence #2 [2025-04-24 17:11:32,473 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:11:32,473 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:11:32,473 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:32,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 17:11:32,474 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:32,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 17:11:32,474 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:32,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 17:11:32,474 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:32,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 17:11:32,474 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:32,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2025-04-24 17:11:32,478 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:32,479 INFO L85 PathProgramCache]: Analyzing trace with hash 312648707, now seen corresponding path program 1 times [2025-04-24 17:11:32,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:11:32,479 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083431421] [2025-04-24 17:11:32,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:11:32,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:32,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-04-24 17:11:32,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-04-24 17:11:32,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:11:32,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:34,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 936 proven. 417 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:11:34,077 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:11:34,077 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083431421] [2025-04-24 17:11:34,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083431421] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:34,077 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1697379787] [2025-04-24 17:11:34,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:11:34,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:34,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-04-24 17:11:34,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-04-24 17:11:34,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:11:34,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:34,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 59 conjuncts are in the unsatisfiable core [2025-04-24 17:11:34,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:11:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 975 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:11:35,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1697379787] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:35,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:11:35,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 56] total 111 [2025-04-24 17:11:35,861 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:11:35,861 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2025-04-24 17:11:35,861 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,861 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2025-04-24 17:11:35,861 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-04-24 17:11:35,862 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2025-04-24 17:11:35,862 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:35,862 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2025-04-24 17:11:35,862 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:35,862 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:11:35,862 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:11:35,863 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:35,863 INFO L85 PathProgramCache]: Analyzing trace with hash 500884787, now seen corresponding path program 15 times [2025-04-24 17:11:35,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:11:35,863 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659811312] [2025-04-24 17:11:35,863 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:11:35,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:35,884 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 291 statements into 15 equivalence classes. [2025-04-24 17:11:37,495 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 291 of 291 statements. [2025-04-24 17:11:37,496 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-04-24 17:11:37,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:39,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 392 proven. 1014 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 17:11:39,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:11:39,181 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659811312] [2025-04-24 17:11:39,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659811312] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:39,181 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516022607] [2025-04-24 17:11:39,181 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:11:39,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:39,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:11:39,183 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:11:39,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-24 17:11:39,320 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 291 statements into 15 equivalence classes. [2025-04-24 17:11:46,037 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 291 of 291 statements. [2025-04-24 17:11:46,037 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-04-24 17:11:46,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:46,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 60 conjuncts are in the unsatisfiable core [2025-04-24 17:11:46,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:11:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 392 proven. 1014 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 17:11:47,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:11:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 392 proven. 1014 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 17:11:47,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516022607] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:11:47,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:11:47,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 61, 34] total 96 [2025-04-24 17:11:47,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414266653] [2025-04-24 17:11:47,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:11:47,859 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-04-24 17:11:47,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:11:47,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-04-24 17:11:47,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1112, Invalid=8008, Unknown=0, NotChecked=0, Total=9120 [2025-04-24 17:11:47,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:47,861 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:11:47,862 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 5.489583333333333) internal successors, (527), 96 states have internal predecessors, (527), 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 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:11:47,862 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:49,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:11:49,474 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:11:49,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-24 17:11:49,674 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:49,675 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:11:49,675 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:11:49,675 INFO L139 ounterexampleChecker]: Examining path program with hash 109960493, occurence #4 [2025-04-24 17:11:49,675 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:11:49,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:11:49,675 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:49,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 17:11:49,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:49,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 17:11:49,675 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:49,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 17:11:49,675 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:49,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 17:11:49,675 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:49,675 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2025-04-24 17:11:49,679 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:49,680 INFO L85 PathProgramCache]: Analyzing trace with hash 232705902, now seen corresponding path program 1 times [2025-04-24 17:11:49,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:11:49,680 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815466248] [2025-04-24 17:11:49,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:11:49,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:49,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 237 statements into 1 equivalence classes. [2025-04-24 17:11:49,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 237 of 237 statements. [2025-04-24 17:11:49,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:11:49,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:51,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 1320 proven. 423 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:11:51,626 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:11:51,626 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815466248] [2025-04-24 17:11:51,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815466248] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:51,626 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1967248699] [2025-04-24 17:11:51,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:11:51,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:51,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 237 statements into 1 equivalence classes. [2025-04-24 17:11:51,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 237 of 237 statements. [2025-04-24 17:11:51,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:11:51,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:51,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-04-24 17:11:51,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:11:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 1365 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:11:53,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1967248699] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:53,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:11:53,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61] total 121 [2025-04-24 17:11:53,836 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:11:53,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 245 [2025-04-24 17:11:53,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2025-04-24 17:11:53,836 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,836 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-04-24 17:11:53,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 291 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 295 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 299 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 303 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 311 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 315 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 317 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2025-04-24 17:11:53,837 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:53,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2025-04-24 17:11:53,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:53,837 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:11:53,837 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:11:53,838 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:53,838 INFO L85 PathProgramCache]: Analyzing trace with hash 180850409, now seen corresponding path program 16 times [2025-04-24 17:11:53,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:11:53,838 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784720835] [2025-04-24 17:11:53,838 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:11:53,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:53,868 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 323 statements into 2 equivalence classes. [2025-04-24 17:11:53,887 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 162 of 323 statements. [2025-04-24 17:11:53,888 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:11:53,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:54,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2183 backedges. 1365 proven. 440 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 17:11:54,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:11:54,774 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784720835] [2025-04-24 17:11:54,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784720835] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:54,774 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537629938] [2025-04-24 17:11:54,774 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:11:54,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:54,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:11:54,776 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:11:54,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-24 17:11:54,925 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 323 statements into 2 equivalence classes. [2025-04-24 17:11:54,964 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 162 of 323 statements. [2025-04-24 17:11:54,964 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:11:54,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:54,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-04-24 17:11:54,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:11:56,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2183 backedges. 0 proven. 1805 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 17:11:56,795 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:11:57,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2183 backedges. 1365 proven. 440 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2025-04-24 17:11:57,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537629938] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:11:57,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:11:57,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 69, 37] total 103 [2025-04-24 17:11:57,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018276508] [2025-04-24 17:11:57,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:11:57,467 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2025-04-24 17:11:57,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:11:57,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2025-04-24 17:11:57,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1347, Invalid=9159, Unknown=0, NotChecked=0, Total=10506 [2025-04-24 17:11:57,469 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:57,469 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:11:57,470 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 5.504854368932039) internal successors, (567), 103 states have internal predecessors, (567), 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 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:11:57,470 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:11:57,471 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:11:57,471 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:11:57,471 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:11:57,471 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:11:57,471 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:12:02,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:12:02,254 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 17:12:02,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-24 17:12:02,454 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26 [2025-04-24 17:12:02,454 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:12:02,454 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:12:02,455 INFO L139 ounterexampleChecker]: Examining path program with hash -353634505, occurence #1 [2025-04-24 17:12:02,455 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:12:02,455 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:12:02,455 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:12:02,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1306097589, now seen corresponding path program 17 times [2025-04-24 17:12:02,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:12:02,455 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298158126] [2025-04-24 17:12:02,455 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:12:02,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:12:02,487 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 571 statements into 35 equivalence classes. [2025-04-24 17:12:04,890 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) and asserted 571 of 571 statements. [2025-04-24 17:12:04,890 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2025-04-24 17:12:04,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:12:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 7941 backedges. 7563 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:12:10,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:12:10,298 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298158126] [2025-04-24 17:12:10,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298158126] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:12:10,298 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126585419] [2025-04-24 17:12:10,298 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:12:10,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:12:10,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:12:10,300 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:12:10,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-24 17:12:10,488 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 571 statements into 35 equivalence classes. [2025-04-24 17:12:14,969 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) and asserted 571 of 571 statements. [2025-04-24 17:12:14,969 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2025-04-24 17:12:14,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:12:14,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 2367 conjuncts, 59 conjuncts are in the unsatisfiable core [2025-04-24 17:12:14,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:12:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 7941 backedges. 4418 proven. 378 refuted. 0 times theorem prover too weak. 3145 trivial. 0 not checked. [2025-04-24 17:12:16,958 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:12:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 7941 backedges. 4418 proven. 378 refuted. 0 times theorem prover too weak. 3145 trivial. 0 not checked. [2025-04-24 17:12:19,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126585419] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:12:19,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:12:19,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 57, 57] total 194 [2025-04-24 17:12:19,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065489943] [2025-04-24 17:12:19,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:12:19,379 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2025-04-24 17:12:19,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:12:19,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2025-04-24 17:12:19,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6061, Invalid=31769, Unknown=0, NotChecked=0, Total=37830 [2025-04-24 17:12:19,384 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:19,384 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:12:19,384 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 5.092307692307692) internal successors, (993), 194 states have internal predecessors, (993), 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 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:12:19,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:12:19,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:12:19,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-04-24 17:12:19,385 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:12:19,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 17:12:19,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:12:19,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-04-24 17:12:19,916 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-04-24 17:12:19,916 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:12:19,916 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:12:19,917 INFO L139 ounterexampleChecker]: Examining path program with hash -353634505, occurence #2 [2025-04-24 17:12:19,917 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:12:19,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:12:19,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:12:19,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 17:12:19,917 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:12:19,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 17:12:19,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:12:19,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-24 17:12:19,917 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:12:19,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 17:12:19,917 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:12:19,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 455 [2025-04-24 17:12:19,931 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:12:19,931 INFO L85 PathProgramCache]: Analyzing trace with hash 350829925, now seen corresponding path program 1 times [2025-04-24 17:12:19,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:12:19,931 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717015105] [2025-04-24 17:12:19,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:12:19,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:12:19,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 456 statements into 1 equivalence classes. [2025-04-24 17:12:20,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 456 of 456 statements. [2025-04-24 17:12:20,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:12:20,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:12:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 7006 backedges. 6240 proven. 766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:12:29,601 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:12:29,601 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717015105] [2025-04-24 17:12:29,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717015105] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:12:29,601 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1082902848] [2025-04-24 17:12:29,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:12:29,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:12:29,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 456 statements into 1 equivalence classes. [2025-04-24 17:12:29,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 456 of 456 statements. [2025-04-24 17:12:29,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:12:29,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:12:29,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 137 conjuncts are in the unsatisfiable core [2025-04-24 17:12:29,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:12:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 7006 backedges. 6600 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:12:41,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1082902848] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:12:41,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:12:41,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 134] total 267 [2025-04-24 17:12:41,137 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:12:41,137 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 465 [2025-04-24 17:12:41,141 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:12:41,141 INFO L85 PathProgramCache]: Analyzing trace with hash 263974456, now seen corresponding path program 1 times [2025-04-24 17:12:41,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:12:41,141 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838347946] [2025-04-24 17:12:41,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:12:41,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:12:41,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 466 statements into 1 equivalence classes. [2025-04-24 17:12:41,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 466 of 466 statements. [2025-04-24 17:12:41,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:12:41,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:12:51,195 INFO L134 CoverageAnalysis]: Checked inductivity of 7274 backedges. 6369 proven. 905 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:12:51,195 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:12:51,196 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838347946] [2025-04-24 17:12:51,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838347946] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:12:51,196 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [618519856] [2025-04-24 17:12:51,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:12:51,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:12:51,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 466 statements into 1 equivalence classes. [2025-04-24 17:12:51,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 466 of 466 statements. [2025-04-24 17:12:51,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:12:51,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:12:51,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 139 conjuncts are in the unsatisfiable core [2025-04-24 17:12:51,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:13:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 7274 backedges. 6868 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:13:03,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [618519856] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:13:03,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:13:03,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [136, 136] total 271 [2025-04-24 17:13:03,109 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:13:03,109 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2025-04-24 17:13:03,112 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:13:03,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1578066071, now seen corresponding path program 1 times [2025-04-24 17:13:03,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:13:03,112 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576195537] [2025-04-24 17:13:03,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:13:03,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:13:03,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 482 statements into 1 equivalence classes. [2025-04-24 17:13:03,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 482 of 482 statements. [2025-04-24 17:13:03,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:13:03,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:13:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 7410 backedges. 6633 proven. 777 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:13:13,621 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:13:13,621 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576195537] [2025-04-24 17:13:13,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576195537] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:13:13,621 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1987015260] [2025-04-24 17:13:13,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:13:13,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:13:13,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 482 statements into 1 equivalence classes. [2025-04-24 17:13:13,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 482 of 482 statements. [2025-04-24 17:13:13,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:13:13,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:13:13,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 143 conjuncts are in the unsatisfiable core [2025-04-24 17:13:13,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:13:26,327 INFO L134 CoverageAnalysis]: Checked inductivity of 7410 backedges. 7004 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:13:26,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1987015260] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:13:26,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:13:26,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [140, 140] total 279 [2025-04-24 17:13:26,327 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:13:26,327 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 490 [2025-04-24 17:13:26,327 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 498 [2025-04-24 17:13:26,328 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 502 [2025-04-24 17:13:26,328 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:13:26,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 508 [2025-04-24 17:13:26,328 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 512 [2025-04-24 17:13:26,328 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 516 [2025-04-24 17:13:26,328 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 520 [2025-04-24 17:13:26,328 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 524 [2025-04-24 17:13:26,328 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 528 [2025-04-24 17:13:26,328 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 532 [2025-04-24 17:13:26,328 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 536 [2025-04-24 17:13:26,328 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 540 [2025-04-24 17:13:26,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 544 [2025-04-24 17:13:26,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 548 [2025-04-24 17:13:26,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 552 [2025-04-24 17:13:26,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 556 [2025-04-24 17:13:26,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2025-04-24 17:13:26,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 564 [2025-04-24 17:13:26,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 566 [2025-04-24 17:13:26,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 569 [2025-04-24 17:13:26,329 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:13:26,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2025-04-24 17:13:26,329 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:26,329 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:13:26,329 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:13:26,329 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:13:26,329 INFO L85 PathProgramCache]: Analyzing trace with hash -178943028, now seen corresponding path program 18 times [2025-04-24 17:13:26,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:13:26,330 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284992148] [2025-04-24 17:13:26,330 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:13:26,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:13:26,362 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 572 statements into 35 equivalence classes. [2025-04-24 17:13:29,588 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) and asserted 536 of 572 statements. [2025-04-24 17:13:29,589 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2025-04-24 17:13:29,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:13:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 5287 proven. 457 refuted. 0 times theorem prover too weak. 2225 trivial. 0 not checked. [2025-04-24 17:13:33,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:13:33,055 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284992148] [2025-04-24 17:13:33,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284992148] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:13:33,055 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956787601] [2025-04-24 17:13:33,055 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:13:33,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:13:33,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:13:33,057 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:13:33,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-24 17:13:33,263 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 572 statements into 35 equivalence classes. [2025-04-24 17:13:43,732 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) and asserted 536 of 572 statements. [2025-04-24 17:13:43,733 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2025-04-24 17:13:43,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:13:43,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 2241 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-04-24 17:13:43,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:13:45,605 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 4505 proven. 406 refuted. 0 times theorem prover too weak. 3058 trivial. 0 not checked. [2025-04-24 17:13:45,605 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:13:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 4505 proven. 406 refuted. 0 times theorem prover too weak. 3058 trivial. 0 not checked. [2025-04-24 17:13:47,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956787601] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:13:47,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:13:47,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 59, 59] total 153 [2025-04-24 17:13:47,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234348068] [2025-04-24 17:13:47,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:13:47,174 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2025-04-24 17:13:47,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:13:47,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2025-04-24 17:13:47,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5108, Invalid=18454, Unknown=0, NotChecked=0, Total=23562 [2025-04-24 17:13:47,177 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:13:47,177 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:13:47,177 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 3.461038961038961) internal successors, (533), 153 states have internal predecessors, (533), 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 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:13:47,177 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:13:47,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:13:47,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:13:47,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:13:47,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:13:47,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:13:47,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:13:47,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:13:47,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:13:47,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:13:47,397 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:13:47,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:13:47,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:13:47,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:13:47,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:13:47,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:13:47,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:13:47,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:13:47,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:13:47,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 17:13:47,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:13:47,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:13:47,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-04-24 17:13:47,598 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable28 [2025-04-24 17:13:47,599 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:13:47,599 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:13:47,599 INFO L139 ounterexampleChecker]: Examining path program with hash -353634505, occurence #3 [2025-04-24 17:13:47,599 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:13:47,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:13:47,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:47,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-24 17:13:47,599 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:13:47,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 17:13:47,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:47,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 17:13:47,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:47,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-24 17:13:47,599 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:13:47,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 456 [2025-04-24 17:13:47,612 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:13:47,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1857574583, now seen corresponding path program 1 times [2025-04-24 17:13:47,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:13:47,612 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844776361] [2025-04-24 17:13:47,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:13:47,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:13:47,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 457 statements into 1 equivalence classes. [2025-04-24 17:13:47,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 457 of 457 statements. [2025-04-24 17:13:47,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:13:47,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:13:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 7035 backedges. 6240 proven. 795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:13:57,137 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:13:57,137 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844776361] [2025-04-24 17:13:57,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844776361] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:13:57,137 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [639229881] [2025-04-24 17:13:57,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:13:57,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:13:57,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 457 statements into 1 equivalence classes. [2025-04-24 17:13:57,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 457 of 457 statements. [2025-04-24 17:13:57,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:13:57,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:13:57,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 1956 conjuncts, 138 conjuncts are in the unsatisfiable core [2025-04-24 17:13:57,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:08,717 INFO L134 CoverageAnalysis]: Checked inductivity of 7035 backedges. 6600 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:08,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [639229881] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:08,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:14:08,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [136, 135] total 269 [2025-04-24 17:14:08,717 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:14:08,717 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 466 [2025-04-24 17:14:08,721 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:08,721 INFO L85 PathProgramCache]: Analyzing trace with hash 2104934474, now seen corresponding path program 1 times [2025-04-24 17:14:08,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:14:08,721 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223899730] [2025-04-24 17:14:08,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:08,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:08,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 467 statements into 1 equivalence classes. [2025-04-24 17:14:08,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 467 of 467 statements. [2025-04-24 17:14:08,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:08,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 7303 backedges. 6369 proven. 934 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:18,673 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:14:18,673 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223899730] [2025-04-24 17:14:18,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223899730] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:18,673 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1841664189] [2025-04-24 17:14:18,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:18,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:18,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 467 statements into 1 equivalence classes. [2025-04-24 17:14:18,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 467 of 467 statements. [2025-04-24 17:14:18,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:18,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:18,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 1988 conjuncts, 140 conjuncts are in the unsatisfiable core [2025-04-24 17:14:18,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:30,892 INFO L134 CoverageAnalysis]: Checked inductivity of 7303 backedges. 6868 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:30,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1841664189] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:30,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:14:30,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [137, 137] total 273 [2025-04-24 17:14:30,892 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:14:30,892 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2025-04-24 17:14:30,896 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:30,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1983889541, now seen corresponding path program 1 times [2025-04-24 17:14:30,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:14:30,896 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259165299] [2025-04-24 17:14:30,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:30,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:30,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 483 statements into 1 equivalence classes. [2025-04-24 17:14:31,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 483 of 483 statements. [2025-04-24 17:14:31,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:31,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7439 backedges. 6633 proven. 806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:41,405 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:14:41,405 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259165299] [2025-04-24 17:14:41,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259165299] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:41,405 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [168078849] [2025-04-24 17:14:41,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:14:41,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:41,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 483 statements into 1 equivalence classes. [2025-04-24 17:14:41,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 483 of 483 statements. [2025-04-24 17:14:41,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:41,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:41,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 2048 conjuncts, 144 conjuncts are in the unsatisfiable core [2025-04-24 17:14:41,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:14:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 7439 backedges. 7004 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:14:54,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [168078849] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:54,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:14:54,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [141, 141] total 281 [2025-04-24 17:14:54,138 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:14:54,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 491 [2025-04-24 17:14:54,138 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 499 [2025-04-24 17:14:54,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 503 [2025-04-24 17:14:54,139 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:54,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2025-04-24 17:14:54,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-04-24 17:14:54,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 517 [2025-04-24 17:14:54,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 521 [2025-04-24 17:14:54,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 525 [2025-04-24 17:14:54,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 529 [2025-04-24 17:14:54,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 533 [2025-04-24 17:14:54,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 537 [2025-04-24 17:14:54,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 541 [2025-04-24 17:14:54,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 545 [2025-04-24 17:14:54,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 549 [2025-04-24 17:14:54,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 553 [2025-04-24 17:14:54,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 557 [2025-04-24 17:14:54,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 561 [2025-04-24 17:14:54,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 565 [2025-04-24 17:14:54,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 567 [2025-04-24 17:14:54,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2025-04-24 17:14:54,140 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:14:54,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 571 [2025-04-24 17:14:54,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:14:54,140 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:14:54,140 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:54,141 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:54,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1029438101, now seen corresponding path program 19 times [2025-04-24 17:14:54,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:54,141 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414384213] [2025-04-24 17:14:54,141 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:14:54,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:54,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 573 statements into 1 equivalence classes. [2025-04-24 17:14:54,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 573 of 573 statements. [2025-04-24 17:14:54,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:14:54,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:15:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 7083 proven. 915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:15:07,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:15:07,787 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414384213] [2025-04-24 17:15:07,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414384213] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:15:07,787 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219353025] [2025-04-24 17:15:07,787 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:15:07,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:15:07,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:15:07,789 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:15:07,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-24 17:15:08,014 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 573 statements into 1 equivalence classes. [2025-04-24 17:15:08,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 573 of 573 statements. [2025-04-24 17:15:08,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:15:08,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:15:08,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 2385 conjuncts, 63 conjuncts are in the unsatisfiable core [2025-04-24 17:15:08,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:15:11,828 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 4666 proven. 435 refuted. 0 times theorem prover too weak. 2897 trivial. 0 not checked. [2025-04-24 17:15:11,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:15:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 4666 proven. 435 refuted. 0 times theorem prover too weak. 2897 trivial. 0 not checked. [2025-04-24 17:15:15,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219353025] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:15:15,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:15:15,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [160, 61, 61] total 278 [2025-04-24 17:15:15,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010550220] [2025-04-24 17:15:15,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:15:15,817 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 279 states [2025-04-24 17:15:15,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:15:15,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 279 interpolants. [2025-04-24 17:15:15,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11306, Invalid=66256, Unknown=0, NotChecked=0, Total=77562 [2025-04-24 17:15:15,825 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:15:15,825 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:15:15,826 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 279 states, 279 states have (on average 3.6666666666666665) internal successors, (1023), 278 states have internal predecessors, (1023), 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 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:15:15,826 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:15:16,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:15:16,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-24 17:15:16,405 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-04-24 17:15:16,405 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:15:16,405 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:15:16,405 INFO L139 ounterexampleChecker]: Examining path program with hash -353634505, occurence #4 [2025-04-24 17:15:16,405 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:15:16,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:15:16,406 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:15:16,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 17:15:16,406 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:15:16,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-24 17:15:16,406 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:15:16,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 17:15:16,406 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:15:16,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-24 17:15:16,406 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:15:16,406 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 457 [2025-04-24 17:15:16,414 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:15:16,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1322018455, now seen corresponding path program 1 times [2025-04-24 17:15:16,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:15:16,414 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49869224] [2025-04-24 17:15:16,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:15:16,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:15:16,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 458 statements into 1 equivalence classes. [2025-04-24 17:15:16,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 458 of 458 statements. [2025-04-24 17:15:16,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:15:16,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:15:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 7065 backedges. 6240 proven. 825 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:15:26,068 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:15:26,068 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49869224] [2025-04-24 17:15:26,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49869224] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:15:26,068 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [136705918] [2025-04-24 17:15:26,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:15:26,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:15:26,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 458 statements into 1 equivalence classes. [2025-04-24 17:15:26,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 458 of 458 statements. [2025-04-24 17:15:26,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:15:26,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:15:26,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 1965 conjuncts, 139 conjuncts are in the unsatisfiable core [2025-04-24 17:15:26,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:15:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 7065 backedges. 6600 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:15:37,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [136705918] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:15:37,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:15:37,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [137, 136] total 271 [2025-04-24 17:15:37,677 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:15:37,677 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 467 [2025-04-24 17:15:37,680 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:15:37,680 INFO L85 PathProgramCache]: Analyzing trace with hash -954847382, now seen corresponding path program 1 times [2025-04-24 17:15:37,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:15:37,680 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805937305] [2025-04-24 17:15:37,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:15:37,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:15:37,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 468 statements into 1 equivalence classes. [2025-04-24 17:15:37,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 468 of 468 statements. [2025-04-24 17:15:37,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:15:37,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:15:47,671 INFO L134 CoverageAnalysis]: Checked inductivity of 7333 backedges. 6369 proven. 964 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:15:47,671 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:15:47,671 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805937305] [2025-04-24 17:15:47,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805937305] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:15:47,671 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [977859651] [2025-04-24 17:15:47,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:15:47,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:15:47,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 468 statements into 1 equivalence classes. [2025-04-24 17:15:47,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 468 of 468 statements. [2025-04-24 17:15:47,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:15:47,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:15:47,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 1997 conjuncts, 141 conjuncts are in the unsatisfiable core [2025-04-24 17:15:47,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:15:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 7333 backedges. 6868 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:15:59,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [977859651] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:15:59,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:15:59,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 138] total 275 [2025-04-24 17:15:59,901 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:15:59,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 483 [2025-04-24 17:15:59,904 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:15:59,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1679515493, now seen corresponding path program 1 times [2025-04-24 17:15:59,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:15:59,905 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813407236] [2025-04-24 17:15:59,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:15:59,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:15:59,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 484 statements into 1 equivalence classes. [2025-04-24 17:16:00,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 484 of 484 statements. [2025-04-24 17:16:00,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:16:00,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:16:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 7469 backedges. 6633 proven. 836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:16:10,582 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:16:10,582 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813407236] [2025-04-24 17:16:10,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813407236] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:16:10,582 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1045577698] [2025-04-24 17:16:10,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:16:10,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:16:10,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 484 statements into 1 equivalence classes. [2025-04-24 17:16:10,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 484 of 484 statements. [2025-04-24 17:16:10,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:16:10,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:16:10,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 2057 conjuncts, 145 conjuncts are in the unsatisfiable core [2025-04-24 17:16:10,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:16:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 7469 backedges. 7004 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:16:23,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1045577698] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:16:23,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:16:23,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [142, 142] total 283 [2025-04-24 17:16:23,293 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:16:23,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2025-04-24 17:16:23,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 500 [2025-04-24 17:16:23,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 504 [2025-04-24 17:16:23,293 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:16:23,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 510 [2025-04-24 17:16:23,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 514 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 518 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 522 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 526 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 530 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 534 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 542 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 546 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 562 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 566 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 568 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 571 [2025-04-24 17:16:23,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:16:23,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 572 [2025-04-24 17:16:23,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:23,294 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:16:23,294 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:16:23,295 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:16:23,295 INFO L85 PathProgramCache]: Analyzing trace with hash -165452564, now seen corresponding path program 20 times [2025-04-24 17:16:23,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:16:23,295 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056764846] [2025-04-24 17:16:23,295 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:16:23,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:16:23,325 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 574 statements into 2 equivalence classes. [2025-04-24 17:16:23,436 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 574 of 574 statements. [2025-04-24 17:16:23,437 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:16:23,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:16:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8028 backedges. 7083 proven. 945 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:16:36,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:16:36,927 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056764846] [2025-04-24 17:16:36,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056764846] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:16:36,927 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593872571] [2025-04-24 17:16:36,927 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:16:36,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:16:36,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:16:36,929 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:16:36,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-24 17:16:37,178 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 574 statements into 2 equivalence classes. [2025-04-24 17:16:37,346 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 574 of 574 statements. [2025-04-24 17:16:37,346 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:16:37,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:16:37,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 2394 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-24 17:16:37,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:16:40,925 INFO L134 CoverageAnalysis]: Checked inductivity of 8028 backedges. 4749 proven. 465 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2025-04-24 17:16:40,925 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:16:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 8028 backedges. 4749 proven. 465 refuted. 0 times theorem prover too weak. 2814 trivial. 0 not checked. [2025-04-24 17:16:45,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593872571] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:16:45,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:16:45,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [160, 63, 63] total 282 [2025-04-24 17:16:45,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228957880] [2025-04-24 17:16:45,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:16:45,073 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 283 states [2025-04-24 17:16:45,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:16:45,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 283 interpolants. [2025-04-24 17:16:45,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11543, Invalid=68263, Unknown=0, NotChecked=0, Total=79806 [2025-04-24 17:16:45,080 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:16:45,080 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:16:45,081 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 283 states, 283 states have (on average 3.6537102473498235) internal successors, (1034), 282 states have internal predecessors, (1034), 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 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:16:45,081 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:16:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:16:45,466 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-04-24 17:16:45,656 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48 [2025-04-24 17:16:45,657 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:16:45,657 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:16:45,657 INFO L139 ounterexampleChecker]: Examining path program with hash -353634505, occurence #5 [2025-04-24 17:16:45,657 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:16:45,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:16:45,657 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:45,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 17:16:45,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:16:45,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 17:16:45,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:45,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 17:16:45,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:16:45,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-24 17:16:45,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:16:45,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 458 [2025-04-24 17:16:45,669 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:16:45,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1899647401, now seen corresponding path program 1 times [2025-04-24 17:16:45,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:16:45,669 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663049705] [2025-04-24 17:16:45,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:16:45,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:16:45,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 459 statements into 1 equivalence classes. [2025-04-24 17:16:45,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 459 of 459 statements. [2025-04-24 17:16:45,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:16:45,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:16:55,335 INFO L134 CoverageAnalysis]: Checked inductivity of 7096 backedges. 6240 proven. 856 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:16:55,335 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:16:55,335 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663049705] [2025-04-24 17:16:55,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663049705] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:16:55,335 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2107925055] [2025-04-24 17:16:55,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:16:55,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:16:55,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 459 statements into 1 equivalence classes. [2025-04-24 17:16:55,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 459 of 459 statements. [2025-04-24 17:16:55,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:16:55,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:16:55,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 1974 conjuncts, 140 conjuncts are in the unsatisfiable core [2025-04-24 17:16:55,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:17:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 7096 backedges. 6600 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:17:07,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2107925055] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:17:07,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:17:07,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [138, 137] total 273 [2025-04-24 17:17:07,130 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:17:07,130 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 468 [2025-04-24 17:17:07,134 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:17:07,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1318804676, now seen corresponding path program 1 times [2025-04-24 17:17:07,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:17:07,134 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836436860] [2025-04-24 17:17:07,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:17:07,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:17:07,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-04-24 17:17:07,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-04-24 17:17:07,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:17:07,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:17:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 7364 backedges. 6369 proven. 995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:17:17,099 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:17:17,099 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836436860] [2025-04-24 17:17:17,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836436860] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:17:17,099 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1831906140] [2025-04-24 17:17:17,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:17:17,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:17:17,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 469 statements into 1 equivalence classes. [2025-04-24 17:17:17,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 469 of 469 statements. [2025-04-24 17:17:17,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:17:17,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:17:17,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 2006 conjuncts, 142 conjuncts are in the unsatisfiable core [2025-04-24 17:17:17,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:17:29,018 INFO L134 CoverageAnalysis]: Checked inductivity of 7364 backedges. 6868 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:17:29,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1831906140] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:17:29,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:17:29,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [139, 139] total 277 [2025-04-24 17:17:29,019 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:17:29,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 484 [2025-04-24 17:17:29,022 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:17:29,022 INFO L85 PathProgramCache]: Analyzing trace with hash -833854867, now seen corresponding path program 1 times [2025-04-24 17:17:29,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:17:29,023 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346184834] [2025-04-24 17:17:29,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:17:29,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:17:29,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 485 statements into 1 equivalence classes. [2025-04-24 17:17:29,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 485 of 485 statements. [2025-04-24 17:17:29,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:17:29,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:17:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 6633 proven. 867 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:17:39,957 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:17:39,957 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346184834] [2025-04-24 17:17:39,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346184834] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:17:39,957 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1136567775] [2025-04-24 17:17:39,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:17:39,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:17:39,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 485 statements into 1 equivalence classes. [2025-04-24 17:17:40,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 485 of 485 statements. [2025-04-24 17:17:40,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:17:40,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:17:40,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 2066 conjuncts, 146 conjuncts are in the unsatisfiable core [2025-04-24 17:17:40,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:17:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 7004 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:17:52,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1136567775] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:17:52,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:17:52,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [143, 143] total 285 [2025-04-24 17:17:52,764 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:17:52,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2025-04-24 17:17:52,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 501 [2025-04-24 17:17:52,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 505 [2025-04-24 17:17:52,764 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:17:52,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2025-04-24 17:17:52,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 515 [2025-04-24 17:17:52,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 519 [2025-04-24 17:17:52,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-04-24 17:17:52,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 527 [2025-04-24 17:17:52,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 531 [2025-04-24 17:17:52,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 535 [2025-04-24 17:17:52,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 539 [2025-04-24 17:17:52,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 543 [2025-04-24 17:17:52,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,765 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 547 [2025-04-24 17:17:52,765 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,765 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2025-04-24 17:17:52,765 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,765 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 555 [2025-04-24 17:17:52,765 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,765 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 559 [2025-04-24 17:17:52,765 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,765 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 563 [2025-04-24 17:17:52,765 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,765 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 567 [2025-04-24 17:17:52,765 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,765 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 569 [2025-04-24 17:17:52,765 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,765 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 572 [2025-04-24 17:17:52,766 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:17:52,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 573 [2025-04-24 17:17:52,766 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:52,766 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:17:52,766 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:17:52,766 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:17:52,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1447642485, now seen corresponding path program 21 times [2025-04-24 17:17:52,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:17:52,766 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700519544] [2025-04-24 17:17:52,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:17:52,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:17:52,801 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 575 statements into 35 equivalence classes. [2025-04-24 17:17:56,626 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) and asserted 575 of 575 statements. [2025-04-24 17:17:56,626 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2025-04-24 17:17:56,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:18:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 8059 backedges. 7189 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:18:02,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:18:02,030 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700519544] [2025-04-24 17:18:02,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700519544] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:18:02,030 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289534531] [2025-04-24 17:18:02,030 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:18:02,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:18:02,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:18:02,032 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:18:02,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-24 17:18:02,297 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 575 statements into 35 equivalence classes. [2025-04-24 17:18:22,752 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) and asserted 575 of 575 statements. [2025-04-24 17:18:22,753 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2025-04-24 17:18:22,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:18:22,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 2403 conjuncts, 74 conjuncts are in the unsatisfiable core [2025-04-24 17:18:22,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:18:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 8059 backedges. 7113 proven. 496 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-04-24 17:18:26,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:18:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8059 backedges. 7113 proven. 496 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-04-24 17:18:28,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289534531] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:18:28,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:18:28,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [88, 72, 72] total 199 [2025-04-24 17:18:28,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25483225] [2025-04-24 17:18:28,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:18:28,406 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 200 states [2025-04-24 17:18:28,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:18:28,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2025-04-24 17:18:28,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8801, Invalid=30999, Unknown=0, NotChecked=0, Total=39800 [2025-04-24 17:18:28,410 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:18:28,410 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:18:28,411 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 200 states, 200 states have (on average 6.055) internal successors, (1211), 199 states have internal predecessors, (1211), 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 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:18:28,411 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:18:28,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:18:28,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:18:28,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:18:28,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:18:28,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-04-24 17:18:28,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:18:28,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:18:28,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:18:28,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:18:28,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-24 17:18:28,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-24 17:18:28,900 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-04-24 17:18:28,900 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:18:28,900 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:18:28,901 INFO L139 ounterexampleChecker]: Examining path program with hash -353634505, occurence #6 [2025-04-24 17:18:28,901 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:18:28,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:18:28,901 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:18:28,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 17:18:28,901 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:18:28,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-24 17:18:28,901 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:18:28,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-24 17:18:28,901 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:18:28,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-24 17:18:28,901 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:18:28,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 466 [2025-04-24 17:18:28,909 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:18:28,909 INFO L85 PathProgramCache]: Analyzing trace with hash -2092036814, now seen corresponding path program 1 times [2025-04-24 17:18:28,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:18:28,910 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333884022] [2025-04-24 17:18:28,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:18:28,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:18:28,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 467 statements into 1 equivalence classes. [2025-04-24 17:18:29,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 467 of 467 statements. [2025-04-24 17:18:29,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:18:29,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:18:35,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7380 backedges. 6501 proven. 879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:18:35,550 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:18:35,550 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333884022] [2025-04-24 17:18:35,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333884022] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:18:35,550 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1082185701] [2025-04-24 17:18:35,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:18:35,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:18:35,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 467 statements into 1 equivalence classes. [2025-04-24 17:18:35,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 467 of 467 statements. [2025-04-24 17:18:35,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:18:35,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:18:35,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 2046 conjuncts, 113 conjuncts are in the unsatisfiable core [2025-04-24 17:18:35,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:18:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 7380 backedges. 6600 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:18:41,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1082185701] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:18:41,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:18:41,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [111, 111] total 220 [2025-04-24 17:18:41,885 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:18:41,885 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 476 [2025-04-24 17:18:41,888 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:18:41,888 INFO L85 PathProgramCache]: Analyzing trace with hash 144965317, now seen corresponding path program 1 times [2025-04-24 17:18:41,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:18:41,888 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304481750] [2025-04-24 17:18:41,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:18:41,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:18:41,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 477 statements into 1 equivalence classes. [2025-04-24 17:18:42,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 477 of 477 statements. [2025-04-24 17:18:42,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:18:42,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:18:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 7648 backedges. 6766 proven. 882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:18:48,688 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:18:48,689 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304481750] [2025-04-24 17:18:48,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304481750] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:18:48,689 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2143980528] [2025-04-24 17:18:48,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:18:48,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:18:48,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 477 statements into 1 equivalence classes. [2025-04-24 17:18:48,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 477 of 477 statements. [2025-04-24 17:18:48,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:18:48,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:18:48,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 2078 conjuncts, 114 conjuncts are in the unsatisfiable core [2025-04-24 17:18:48,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:18:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 7648 backedges. 6868 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:18:55,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2143980528] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:18:55,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:18:55,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [111, 111] total 221 [2025-04-24 17:18:55,221 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:18:55,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2025-04-24 17:18:55,224 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:18:55,224 INFO L85 PathProgramCache]: Analyzing trace with hash 2120531446, now seen corresponding path program 1 times [2025-04-24 17:18:55,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:18:55,224 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454911500] [2025-04-24 17:18:55,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:18:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:18:55,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 493 statements into 1 equivalence classes. [2025-04-24 17:18:55,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 493 of 493 statements. [2025-04-24 17:18:55,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:18:55,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 7784 backedges. 6902 proven. 882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:19:02,837 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:19:02,837 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454911500] [2025-04-24 17:19:02,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454911500] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:02,837 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1185790183] [2025-04-24 17:19:02,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:19:02,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:02,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 493 statements into 1 equivalence classes. [2025-04-24 17:19:03,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 493 of 493 statements. [2025-04-24 17:19:03,013 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:19:03,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:03,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 2138 conjuncts, 116 conjuncts are in the unsatisfiable core [2025-04-24 17:19:03,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7784 backedges. 7004 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:19:09,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1185790183] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:09,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:19:09,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 113] total 225 [2025-04-24 17:19:09,729 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:19:09,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 501 [2025-04-24 17:19:09,729 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2025-04-24 17:19:09,729 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 513 [2025-04-24 17:19:09,729 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:19:09,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 519 [2025-04-24 17:19:09,729 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2025-04-24 17:19:09,729 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 527 [2025-04-24 17:19:09,729 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,729 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 531 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 535 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 539 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 543 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 547 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 555 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 559 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 563 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 567 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 571 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 575 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 577 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 580 [2025-04-24 17:19:09,730 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:19:09,730 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 581 [2025-04-24 17:19:09,730 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:19:09,730 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:19:09,730 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:19:09,731 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:19:09,731 INFO L85 PathProgramCache]: Analyzing trace with hash 205668597, now seen corresponding path program 22 times [2025-04-24 17:19:09,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:19:09,731 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515234774] [2025-04-24 17:19:09,731 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:19:09,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:19:09,765 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 583 statements into 2 equivalence classes. [2025-04-24 17:19:09,803 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 286 of 583 statements. [2025-04-24 17:19:09,803 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:19:09,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:12,592 INFO L134 CoverageAnalysis]: Checked inductivity of 8343 backedges. 7003 proven. 559 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2025-04-24 17:19:12,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:19:12,592 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515234774] [2025-04-24 17:19:12,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515234774] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:19:12,592 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006580875] [2025-04-24 17:19:12,593 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:19:12,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:19:12,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:19:12,594 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 17:19:12,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-24 17:19:12,893 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 583 statements into 2 equivalence classes. [2025-04-24 17:19:12,961 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 286 of 583 statements. [2025-04-24 17:19:12,961 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:19:12,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:19:12,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 130 conjuncts are in the unsatisfiable core [2025-04-24 17:19:12,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:19:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 8343 backedges. 0 proven. 7563 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2025-04-24 17:19:18,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:19:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 8343 backedges. 7003 proven. 559 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2025-04-24 17:19:20,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006580875] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:19:20,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:19:20,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 131, 58] total 223 [2025-04-24 17:19:20,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552445292] [2025-04-24 17:19:20,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:19:20,610 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2025-04-24 17:19:20,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:19:20,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2025-04-24 17:19:20,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7725, Invalid=41781, Unknown=0, NotChecked=0, Total=49506 [2025-04-24 17:19:20,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:20,614 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:19:20,615 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 6.134529147982063) internal successors, (1368), 223 states have internal predecessors, (1368), 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 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-24 17:19:20,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.