./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 44c38e66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i -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 bde6fe221f69c3fccb0f7c90e011f0b13ab5ca582ddcd328a459cbb512a8fd7f --- Real Ultimate output --- This is Ultimate 0.3.0-?-44c38e6-m [2025-04-24 19:27:16,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 19:27:16,812 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 19:27:16,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 19:27:16,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 19:27:16,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 19:27:16,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 19:27:16,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 19:27:16,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 19:27:16,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 19:27:16,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 19:27:16,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 19:27:16,843 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 19:27:16,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 19:27:16,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 19:27:16,843 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 19:27:16,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 19:27:16,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 19:27:16,844 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:27:16,844 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:27:16,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:27:16,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 19:27:16,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 19:27:16,845 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 19:27:16,845 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 19:27:16,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 19:27:16,845 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 19:27:16,845 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 19:27:16,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 19:27:16,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 19:27:16,845 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 19:27:16,845 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 19:27:16,845 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 -> bde6fe221f69c3fccb0f7c90e011f0b13ab5ca582ddcd328a459cbb512a8fd7f [2025-04-24 19:27:17,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 19:27:17,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 19:27:17,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 19:27:17,056 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 19:27:17,056 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 19:27:17,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i [2025-04-24 19:27:18,326 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b63718e96/a399333c60dc41bfbea2cf5fa74ab917/FLAG99077ec56 [2025-04-24 19:27:18,585 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 19:27:18,586 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_71-funloop_racing.i [2025-04-24 19:27:18,600 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b63718e96/a399333c60dc41bfbea2cf5fa74ab917/FLAG99077ec56 [2025-04-24 19:27:19,526 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b63718e96/a399333c60dc41bfbea2cf5fa74ab917 [2025-04-24 19:27:19,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 19:27:19,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 19:27:19,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 19:27:19,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 19:27:19,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 19:27:19,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:27:19" (1/1) ... [2025-04-24 19:27:19,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42cd32cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:19, skipping insertion in model container [2025-04-24 19:27:19,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:27:19" (1/1) ... [2025-04-24 19:27:19,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 19:27:19,880 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/goblint-regression/28-race_reach_71-funloop_racing.i[41323,41336] [2025-04-24 19:27:19,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:27:19,932 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 19:27:19,988 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/goblint-regression/28-race_reach_71-funloop_racing.i[41323,41336] [2025-04-24 19:27:20,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:27:20,041 INFO L204 MainTranslator]: Completed translation [2025-04-24 19:27:20,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20 WrapperNode [2025-04-24 19:27:20,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 19:27:20,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 19:27:20,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 19:27:20,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 19:27:20,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (1/1) ... [2025-04-24 19:27:20,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (1/1) ... [2025-04-24 19:27:20,091 INFO L138 Inliner]: procedures = 272, calls = 107, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 308 [2025-04-24 19:27:20,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 19:27:20,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 19:27:20,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 19:27:20,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 19:27:20,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (1/1) ... [2025-04-24 19:27:20,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (1/1) ... [2025-04-24 19:27:20,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (1/1) ... [2025-04-24 19:27:20,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (1/1) ... [2025-04-24 19:27:20,112 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (1/1) ... [2025-04-24 19:27:20,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (1/1) ... [2025-04-24 19:27:20,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (1/1) ... [2025-04-24 19:27:20,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (1/1) ... [2025-04-24 19:27:20,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (1/1) ... [2025-04-24 19:27:20,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 19:27:20,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 19:27:20,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 19:27:20,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 19:27:20,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (1/1) ... [2025-04-24 19:27:20,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:27:20,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:20,150 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 19:27:20,153 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 19:27:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-24 19:27:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-24 19:27:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-24 19:27:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 19:27:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 19:27:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-24 19:27:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 19:27:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-24 19:27:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-24 19:27:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 19:27:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 19:27:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 19:27:20,169 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 19:27:20,259 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 19:27:20,261 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 19:27:20,568 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 19:27:20,568 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 19:27:20,870 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 19:27:20,870 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2025-04-24 19:27:20,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:27:20 BoogieIcfgContainer [2025-04-24 19:27:20,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 19:27:20,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 19:27:20,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 19:27:20,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 19:27:20,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 07:27:19" (1/3) ... [2025-04-24 19:27:20,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a7e4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:27:20, skipping insertion in model container [2025-04-24 19:27:20,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:27:20" (2/3) ... [2025-04-24 19:27:20,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a7e4e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:27:20, skipping insertion in model container [2025-04-24 19:27:20,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:27:20" (3/3) ... [2025-04-24 19:27:20,878 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2025-04-24 19:27:20,889 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 19:27:20,890 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_71-funloop_racing.i that has 2 procedures, 94 locations, 133 edges, 1 initial locations, 20 loop locations, and 3 error locations. [2025-04-24 19:27:20,890 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 19:27:20,929 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-24 19:27:20,960 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:27:20,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 19:27:20,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:20,965 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 19:27:20,966 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 19:27:21,027 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 19:27:21,039 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2025-04-24 19:27:21,046 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;@542502ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:27:21,046 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-24 19:27:21,306 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:21,306 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:21,307 INFO L139 ounterexampleChecker]: Examining path program with hash -411181153, occurence #1 [2025-04-24 19:27:21,307 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:27:21,307 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:21,310 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:21,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1404513770, now seen corresponding path program 1 times [2025-04-24 19:27:21,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:21,316 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187853040] [2025-04-24 19:27:21,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:21,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:21,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-24 19:27:21,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-24 19:27:21,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:21,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:21,574 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 19:27:21,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:21,578 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187853040] [2025-04-24 19:27:21,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187853040] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:27:21,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:27:21,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 19:27:21,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409803047] [2025-04-24 19:27:21,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:27:21,583 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:27:21,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:21,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:27:21,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:27:21,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:21,597 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:21,598 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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 19:27:21,598 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:21,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:21,658 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 19:27:21,658 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:21,658 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:21,658 INFO L139 ounterexampleChecker]: Examining path program with hash -411181153, occurence #2 [2025-04-24 19:27:21,658 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:21,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:21,659 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:21,661 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 19:27:21,661 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:21,661 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:21,661 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:21,662 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:21,662 INFO L85 PathProgramCache]: Analyzing trace with hash 547357968, now seen corresponding path program 1 times [2025-04-24 19:27:21,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:21,662 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946190183] [2025-04-24 19:27:21,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:21,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:21,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-24 19:27:21,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-24 19:27:21,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:21,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:21,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:27:21,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:21,791 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946190183] [2025-04-24 19:27:21,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946190183] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:21,792 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555050344] [2025-04-24 19:27:21,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:21,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:21,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:21,794 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 19:27:21,795 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 19:27:21,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-24 19:27:21,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-24 19:27:21,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:21,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:21,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-24 19:27:21,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:27:21,916 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:27:21,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555050344] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:21,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:21,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-04-24 19:27:21,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875619612] [2025-04-24 19:27:21,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:21,935 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-24 19:27:21,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:21,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-24 19:27:21,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-24 19:27:21,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:21,937 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:21,937 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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 19:27:21,937 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:21,937 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:22,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:22,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:22,016 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 19:27:22,213 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-24 19:27:22,213 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:22,213 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:22,213 INFO L139 ounterexampleChecker]: Examining path program with hash -411181153, occurence #3 [2025-04-24 19:27:22,213 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:22,213 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:22,214 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:22,214 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 19:27:22,214 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:22,214 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:22,214 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:22,214 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:22,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1577402218, now seen corresponding path program 2 times [2025-04-24 19:27:22,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:22,214 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952121492] [2025-04-24 19:27:22,214 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:22,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:22,225 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-04-24 19:27:22,256 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 21 statements. [2025-04-24 19:27:22,256 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 19:27:22,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:22,623 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-24 19:27:22,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:22,623 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952121492] [2025-04-24 19:27:22,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952121492] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:27:22,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:27:22,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-24 19:27:22,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108534932] [2025-04-24 19:27:22,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:27:22,624 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-24 19:27:22,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:22,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-24 19:27:22,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-04-24 19:27:22,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:22,624 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:22,624 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:27:22,624 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:22,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:22,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:22,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:22,787 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:22,788 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:22,788 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 19:27:22,788 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:22,788 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:22,788 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #1 [2025-04-24 19:27:22,788 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:27:22,788 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:22,789 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:22,789 INFO L85 PathProgramCache]: Analyzing trace with hash 303523954, now seen corresponding path program 1 times [2025-04-24 19:27:22,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:22,790 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868968603] [2025-04-24 19:27:22,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:22,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:22,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-24 19:27:22,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-24 19:27:22,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:22,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 19:27:22,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:22,896 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868968603] [2025-04-24 19:27:22,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868968603] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:22,896 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939025662] [2025-04-24 19:27:22,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:27:22,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:22,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:22,898 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 19:27:22,899 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 19:27:22,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-24 19:27:23,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-24 19:27:23,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:23,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:23,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-24 19:27:23,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 19:27:23,021 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 19:27:23,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939025662] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:23,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:23,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-04-24 19:27:23,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846627918] [2025-04-24 19:27:23,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:23,075 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-24 19:27:23,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:23,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-24 19:27:23,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-04-24 19:27:23,076 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:23,076 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:23,076 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 12 states have internal predecessors, (44), 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 19:27:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:23,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:23,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:23,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:23,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:23,122 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:23,129 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 19:27:23,323 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:23,323 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:23,323 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:23,323 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #2 [2025-04-24 19:27:23,323 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:23,323 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:23,324 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,324 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:23,324 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:23,324 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:23,324 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,324 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:23,324 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,324 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:23,324 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,324 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:23,324 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,324 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:23,324 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:23,324 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:23,324 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:23,324 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:23,324 INFO L85 PathProgramCache]: Analyzing trace with hash 338744882, now seen corresponding path program 2 times [2025-04-24 19:27:23,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:23,324 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269177642] [2025-04-24 19:27:23,324 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:23,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:23,345 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-04-24 19:27:23,371 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-04-24 19:27:23,372 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:27:23,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:23,985 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:23,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:23,987 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269177642] [2025-04-24 19:27:23,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269177642] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:23,987 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39052794] [2025-04-24 19:27:23,987 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:23,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:23,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:23,989 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 19:27:23,990 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 19:27:24,054 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-04-24 19:27:24,100 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-04-24 19:27:24,100 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:27:24,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:24,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-24 19:27:24,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:24,247 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:24,248 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:24,280 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:24,413 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:24,499 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:24,500 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:24,551 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:24,552 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:24,676 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:24,831 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_217 Int) (v_ArrVal_214 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_217))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:24,940 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214) |c_~#cache~0.base|) (+ 28 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:25,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39052794] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:25,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:25,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2025-04-24 19:27:25,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33651591] [2025-04-24 19:27:25,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:25,035 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-04-24 19:27:25,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:25,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-04-24 19:27:25,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=533, Unknown=16, NotChecked=98, Total=756 [2025-04-24 19:27:25,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:25,036 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:25,036 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 27 states have internal predecessors, (106), 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 19:27:25,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:25,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:25,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:25,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:25,036 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:25,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:25,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:25,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:25,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:25,363 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:25,370 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 19:27:25,564 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:25,564 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:25,564 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:25,564 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #3 [2025-04-24 19:27:25,564 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:25,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:25,564 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:25,564 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:25,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:25,564 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:25,564 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:25,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:25,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:25,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:25,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:25,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:25,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:25,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:25,565 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:25,565 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:25,565 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:25,565 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:25,565 INFO L85 PathProgramCache]: Analyzing trace with hash -2035902450, now seen corresponding path program 3 times [2025-04-24 19:27:25,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:25,565 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715224604] [2025-04-24 19:27:25,565 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:27:25,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:25,581 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-04-24 19:27:25,624 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-04-24 19:27:25,624 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 19:27:25,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:26,531 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:26,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:26,532 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715224604] [2025-04-24 19:27:26,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715224604] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:26,532 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328010617] [2025-04-24 19:27:26,532 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:27:26,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:26,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:26,534 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 19:27:26,536 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 19:27:26,608 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-04-24 19:27:26,660 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-04-24 19:27:26,660 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 19:27:26,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:26,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-04-24 19:27:26,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:26,762 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:26,763 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:26,789 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:26,894 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:26,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:26,967 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:27,029 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:27,030 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:27,185 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:27,186 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:27,233 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:27,233 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:27,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:28,380 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_344) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:28,387 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_344) |c_~#cache~0.base|) (+ 56 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:28,471 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:28,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328010617] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:28,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:28,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 36 [2025-04-24 19:27:28,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124210148] [2025-04-24 19:27:28,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:28,472 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-24 19:27:28,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:28,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-24 19:27:28,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1027, Unknown=29, NotChecked=134, Total=1332 [2025-04-24 19:27:28,473 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:28,473 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:28,473 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.45945945945946) internal successors, (165), 36 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:27:28,473 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:28,473 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:28,473 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:28,474 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:28,474 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:28,474 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:29,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:29,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:29,046 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:29,046 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:29,046 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:29,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:29,054 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 19:27:29,248 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-04-24 19:27:29,249 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:29,249 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:29,249 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #4 [2025-04-24 19:27:29,249 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:29,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:29,249 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:29,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:29,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:29,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:29,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:29,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:29,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:29,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:29,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:29,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:29,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:29,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:29,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:29,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:29,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:29,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:29,251 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:29,251 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:29,251 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:29,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1361368042, now seen corresponding path program 4 times [2025-04-24 19:27:29,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:29,251 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229716209] [2025-04-24 19:27:29,251 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:27:29,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:29,268 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-04-24 19:27:29,310 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 87 of 87 statements. [2025-04-24 19:27:29,310 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:27:29,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:30,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:30,717 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229716209] [2025-04-24 19:27:30,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229716209] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:30,717 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505247788] [2025-04-24 19:27:30,717 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:27:30,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:30,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:30,719 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 19:27:30,720 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 19:27:30,792 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-04-24 19:27:31,190 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 87 of 87 statements. [2025-04-24 19:27:31,190 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:27:31,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:31,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-04-24 19:27:31,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:31,287 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:31,288 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:31,309 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:31,401 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:31,466 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:31,466 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:31,502 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:31,503 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:31,651 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:31,651 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:31,687 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:31,688 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:31,821 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:31,821 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:31,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:31,860 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:31,962 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:31,962 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:33,138 WARN L849 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39| Int) (v_ArrVal_510 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_510) |c_~#cache~0.base|) (+ 84 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39|)))) is different from false [2025-04-24 19:27:33,300 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:33,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505247788] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:33,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:33,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 15] total 43 [2025-04-24 19:27:33,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842052704] [2025-04-24 19:27:33,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:33,301 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-04-24 19:27:33,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:33,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-04-24 19:27:33,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1604, Unknown=32, NotChecked=82, Total=1892 [2025-04-24 19:27:33,302 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:33,302 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:33,302 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.113636363636363) internal successors, (225), 43 states have internal predecessors, (225), 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 19:27:33,302 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:33,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:33,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:33,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:33,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:33,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:33,303 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:33,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:33,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:33,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:33,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:33,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:33,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:33,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:33,904 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 19:27:34,097 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:34,097 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:34,098 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:34,098 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #5 [2025-04-24 19:27:34,098 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:34,098 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:34,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:34,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:34,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:34,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:34,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:34,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,099 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:34,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:34,099 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:34,099 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:34,099 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:34,099 INFO L85 PathProgramCache]: Analyzing trace with hash 78285254, now seen corresponding path program 5 times [2025-04-24 19:27:34,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:34,099 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84083239] [2025-04-24 19:27:34,099 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:27:34,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:34,113 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-04-24 19:27:34,165 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-04-24 19:27:34,165 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 19:27:34,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:35,411 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:35,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:35,412 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84083239] [2025-04-24 19:27:35,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84083239] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:35,412 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309485494] [2025-04-24 19:27:35,412 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:27:35,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:35,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:35,414 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 19:27:35,414 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 19:27:35,500 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-04-24 19:27:38,362 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-04-24 19:27:38,363 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 19:27:38,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:38,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 75 conjuncts are in the unsatisfiable core [2025-04-24 19:27:38,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:38,454 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:38,454 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:38,478 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:38,582 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:38,645 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:38,645 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:38,680 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:38,680 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:38,823 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:38,824 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:38,862 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:38,863 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:39,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:39,016 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:39,058 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:39,059 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:39,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:39,180 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:39,215 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:39,215 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:39,323 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:39,856 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int)) (v_ArrVal_715 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_715))) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:39,869 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712) |c_~#cache~0.base|) (+ 112 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49|)))) is different from false [2025-04-24 19:27:39,911 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712) |c_~#cache~0.base|) (+ 112 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:39,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309485494] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:39,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:39,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 17] total 47 [2025-04-24 19:27:39,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740199313] [2025-04-24 19:27:39,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:39,984 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-04-24 19:27:39,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:39,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-04-24 19:27:39,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1811, Unknown=12, NotChecked=264, Total=2256 [2025-04-24 19:27:39,986 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:39,986 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:39,986 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.958333333333333) internal successors, (286), 47 states have internal predecessors, (286), 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 19:27:39,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:39,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:39,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:39,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:39,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:39,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:39,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:39,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:40,764 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:40,764 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:40,764 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:40,764 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:40,764 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:40,764 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:40,764 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:40,764 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:40,773 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 19:27:40,965 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-04-24 19:27:40,965 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:40,965 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:40,965 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #6 [2025-04-24 19:27:40,965 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:40,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:40,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:40,965 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:40,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:40,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:27:40,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:27:40,967 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:40,967 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:40,967 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:40,967 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:40,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1128875614, now seen corresponding path program 6 times [2025-04-24 19:27:40,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:40,967 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026086348] [2025-04-24 19:27:40,967 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:27:40,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:40,983 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-04-24 19:27:41,049 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-04-24 19:27:41,049 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-24 19:27:41,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:42,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:42,749 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026086348] [2025-04-24 19:27:42,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026086348] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:42,749 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479913090] [2025-04-24 19:27:42,749 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:27:42,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:42,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:42,751 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 19:27:42,752 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 19:27:42,834 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-04-24 19:27:43,746 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-04-24 19:27:43,747 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-24 19:27:43,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:43,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-04-24 19:27:43,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:43,837 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:43,837 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:43,868 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:43,979 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:44,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:44,041 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:44,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:44,077 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:44,230 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:44,230 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:44,265 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:44,266 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:44,394 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:44,395 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:44,426 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:44,426 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:44,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:44,566 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:44,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:44,600 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:44,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:44,726 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:44,763 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:44,763 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:44,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:46,698 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_950 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_950) |c_~#cache~0.base|) (+ 140 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:27:46,819 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:46,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479913090] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:46,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:46,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 19] total 55 [2025-04-24 19:27:46,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363474271] [2025-04-24 19:27:46,819 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:46,820 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-04-24 19:27:46,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:46,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-04-24 19:27:46,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=2708, Unknown=46, NotChecked=106, Total=3080 [2025-04-24 19:27:46,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:46,821 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:46,822 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 6.160714285714286) internal successors, (345), 55 states have internal predecessors, (345), 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 19:27:46,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:46,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:46,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:46,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:46,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:46,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:46,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:46,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:46,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:47,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:47,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:47,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:47,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:47,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:47,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:47,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:47,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:47,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:27:47,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-24 19:27:48,157 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:48,157 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:48,157 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:48,157 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #7 [2025-04-24 19:27:48,157 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:48,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:48,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:48,157 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:48,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:27:48,158 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-24 19:27:48,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-24 19:27:48,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:27:48,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 19:27:48,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 19:27:48,159 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:48,159 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:48,159 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:48,159 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:48,159 INFO L85 PathProgramCache]: Analyzing trace with hash -548904066, now seen corresponding path program 7 times [2025-04-24 19:27:48,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:48,159 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492865173] [2025-04-24 19:27:48,159 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:27:48,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:48,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-04-24 19:27:48,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-04-24 19:27:48,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:48,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:49,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:49,415 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492865173] [2025-04-24 19:27:49,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492865173] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:49,415 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132527545] [2025-04-24 19:27:49,415 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:27:49,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:49,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:49,417 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 19:27:49,418 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 19:27:49,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-04-24 19:27:49,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-04-24 19:27:49,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:27:49,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:49,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-04-24 19:27:49,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:49,649 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:49,649 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:49,679 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:49,769 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:49,838 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:49,838 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:49,877 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:49,877 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:50,018 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,051 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:50,052 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:50,182 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,228 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:50,228 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,363 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:50,363 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,403 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:50,404 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:50,561 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,608 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:50,609 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:50,771 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,814 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:50,815 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:50,926 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:27:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:56,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132527545] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:27:56,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:27:56,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 21] total 57 [2025-04-24 19:27:56,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477050972] [2025-04-24 19:27:56,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:27:56,001 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2025-04-24 19:27:56,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:27:56,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2025-04-24 19:27:56,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=3005, Unknown=64, NotChecked=0, Total=3306 [2025-04-24 19:27:56,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:56,003 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:27:56,003 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 6.982758620689655) internal successors, (405), 57 states have internal predecessors, (405), 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 19:27:56,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:56,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:56,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:56,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:56,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:56,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:56,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:56,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:56,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:27:56,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:27:57,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:27:57,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:27:57,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:27:57,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:57,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:27:57,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:27:57,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:57,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:27:57,225 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:27:57,226 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:27:57,232 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 19:27:57,426 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-24 19:27:57,426 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:27:57,426 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:27:57,427 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #8 [2025-04-24 19:27:57,427 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:27:57,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:27:57,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-24 19:27:57,428 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:27:57,428 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:27:57,428 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:27:57,428 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:27:57,428 INFO L85 PathProgramCache]: Analyzing trace with hash -589396134, now seen corresponding path program 8 times [2025-04-24 19:27:57,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:27:57,428 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952412372] [2025-04-24 19:27:57,428 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:57,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:27:57,457 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-04-24 19:27:57,479 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-04-24 19:27:57,479 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:27:57,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:59,074 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:27:59,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:27:59,074 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952412372] [2025-04-24 19:27:59,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952412372] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:27:59,074 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107537604] [2025-04-24 19:27:59,074 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:27:59,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:27:59,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:27:59,076 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 19:27:59,077 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 19:27:59,189 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-04-24 19:27:59,253 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-04-24 19:27:59,253 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:27:59,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:27:59,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 114 conjuncts are in the unsatisfiable core [2025-04-24 19:27:59,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:27:59,335 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:27:59,335 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:27:59,364 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:59,489 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-24 19:27:59,575 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:59,575 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:59,611 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:59,611 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:59,771 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:59,772 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:59,807 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:59,807 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:59,938 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:59,938 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:27:59,974 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:27:59,974 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:00,108 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:00,108 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:00,141 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:00,142 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:00,279 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:00,280 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:00,319 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:00,320 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:00,462 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:00,463 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:00,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:00,499 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:00,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:00,642 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:00,679 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:00,679 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:00,799 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:00,799 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:28:01,869 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1534 (Array Int Int)) (v_ArrVal_1538 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1534))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1538))) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:28:01,884 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1534 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1534) |c_~#cache~0.base|) (+ 196 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2025-04-24 19:28:02,076 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:02,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107537604] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:28:02,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:28:02,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 23] total 63 [2025-04-24 19:28:02,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264269809] [2025-04-24 19:28:02,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:28:02,077 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-04-24 19:28:02,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:28:02,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-04-24 19:28:02,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=3510, Unknown=26, NotChecked=242, Total=4032 [2025-04-24 19:28:02,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:28:02,078 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:28:02,078 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.265625) internal successors, (465), 63 states have internal predecessors, (465), 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 19:28:02,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:28:02,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:28:02,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:28:02,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:02,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:28:02,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:02,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:02,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:02,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:02,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:02,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:28:03,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:28:03,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:28:03,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:28:03,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:03,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:28:03,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:03,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:03,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:03,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:03,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:03,546 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:28:03,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-24 19:28:03,746 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-04-24 19:28:03,747 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:28:03,747 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:28:03,747 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #9 [2025-04-24 19:28:03,747 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:28:03,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:28:03,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:28:03,747 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:28:03,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:28:03,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:28:03,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:28:03,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:28:03,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:28:03,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:28:03,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:28:03,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:28:03,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:28:03,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-24 19:28:03,748 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,748 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-24 19:28:03,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-24 19:28:03,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-24 19:28:03,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:03,750 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:28:03,750 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:28:03,750 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:28:03,750 INFO L85 PathProgramCache]: Analyzing trace with hash -260561610, now seen corresponding path program 9 times [2025-04-24 19:28:03,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:28:03,750 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427215111] [2025-04-24 19:28:03,750 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:28:03,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:28:03,772 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-04-24 19:28:03,853 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-04-24 19:28:03,853 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-24 19:28:03,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:28:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:06,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:28:06,370 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427215111] [2025-04-24 19:28:06,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427215111] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:28:06,370 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859866159] [2025-04-24 19:28:06,370 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:28:06,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:28:06,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:28:06,371 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 19:28:06,372 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 19:28:06,495 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-04-24 19:28:37,711 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-04-24 19:28:37,711 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-24 19:28:37,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:28:37,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 132 conjuncts are in the unsatisfiable core [2025-04-24 19:28:37,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:28:37,867 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-24 19:28:37,867 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-24 19:28:37,902 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2025-04-24 19:28:38,024 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2025-04-24 19:28:38,116 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,117 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,117 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:38,160 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,161 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,162 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:38,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,390 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:38,450 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,451 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,451 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:38,634 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,635 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,636 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:38,682 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,683 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,683 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:38,859 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,860 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,860 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:38,908 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,909 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:38,910 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-24 19:28:39,089 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2025-04-24 19:28:39,171 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2025-04-24 19:28:39,349 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:39,350 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:39,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:39,390 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:39,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:39,546 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:39,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:39,583 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:39,744 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:39,744 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:39,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-24 19:28:39,786 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-24 19:28:39,934 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:39,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:28:41,312 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1884 Int) (v_ArrVal_1880 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| v_ArrVal_1884))) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:28:41,324 WARN L849 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_109| Int) (v_ArrVal_1880 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_109|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_~#cache~0.base|) (+ 224 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2025-04-24 19:28:41,327 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1880 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:28:41,330 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1880 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880) |c_~#cache~0.base|) (+ 224 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-24 19:28:41,413 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:41,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859866159] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:28:41,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:28:41,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 25] total 74 [2025-04-24 19:28:41,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525545330] [2025-04-24 19:28:41,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:28:41,414 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2025-04-24 19:28:41,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:28:41,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2025-04-24 19:28:41,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=4688, Unknown=4, NotChecked=564, Total=5550 [2025-04-24 19:28:41,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:28:41,416 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:28:41,417 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 7.0) internal successors, (525), 74 states have internal predecessors, (525), 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 19:28:41,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:28:41,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:28:41,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:28:41,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:41,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:28:41,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:41,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:41,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:41,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:41,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:41,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:28:41,417 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:28:43,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:28:43,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:28:43,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:28:43,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:43,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:28:43,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:28:43,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:43,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:28:43,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:43,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-24 19:28:43,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:28:43,507 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-24 19:28:43,525 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 19:28:43,707 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:28:43,708 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-24 19:28:43,708 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:28:43,708 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #10 [2025-04-24 19:28:43,708 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:28:43,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:28:43,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:28:43,708 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:28:43,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:28:43,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:28:43,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:28:43,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:28:43,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-24 19:28:43,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-24 19:28:43,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:28:43,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:28:43,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:28:43,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,708 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:28:43,708 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,709 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-24 19:28:43,709 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,710 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-24 19:28:43,710 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,710 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-24 19:28:43,710 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,710 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-24 19:28:43,710 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,710 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-04-24 19:28:43,710 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,710 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-04-24 19:28:43,710 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,710 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-24 19:28:43,710 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,710 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-04-24 19:28:43,710 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,710 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-04-24 19:28:43,710 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:28:43,710 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:28:43,710 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:28:43,710 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:28:43,710 INFO L85 PathProgramCache]: Analyzing trace with hash -543933166, now seen corresponding path program 10 times [2025-04-24 19:28:43,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:28:43,710 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247202249] [2025-04-24 19:28:43,710 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:28:43,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:28:43,730 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes. [2025-04-24 19:28:43,836 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 207 of 207 statements. [2025-04-24 19:28:43,836 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:28:43,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:28:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-24 19:28:46,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:28:46,515 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247202249] [2025-04-24 19:28:46,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247202249] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:28:46,515 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482442309] [2025-04-24 19:28:46,515 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:28:46,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:28:46,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:28:46,517 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 19:28:46,517 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 19:28:46,660 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes.