./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/stack_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread/stack_longer-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 10:10:26,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 10:10:26,600 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 10:10:26,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 10:10:26,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 10:10:26,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 10:10:26,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 10:10:26,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 10:10:26,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 10:10:26,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 10:10:26,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 10:10:26,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 10:10:26,624 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 10:10:26,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 10:10:26,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 10:10:26,624 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 10:10:26,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 10:10:26,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 10:10:26,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 10:10:26,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 10:10:26,626 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 10:10:26,626 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 10:10:26,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 10:10:26,626 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 10:10:26,626 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 10:10:26,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 10:10:26,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 10:10:26,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 10:10:26,626 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 10:10:26,626 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 10:10:26,626 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-jdk21/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 -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2024-11-21 10:10:26,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 10:10:26,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 10:10:26,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 10:10:26,952 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 10:10:26,952 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 10:10:26,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread/stack_longer-1.i [2024-11-21 10:10:28,086 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3e28d53cf/04cdb095cedf48f2806b9e95a2f40393/FLAG11e025acf [2024-11-21 10:10:28,344 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 10:10:28,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/stack_longer-1.i [2024-11-21 10:10:28,357 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3e28d53cf/04cdb095cedf48f2806b9e95a2f40393/FLAG11e025acf [2024-11-21 10:10:28,662 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3e28d53cf/04cdb095cedf48f2806b9e95a2f40393 [2024-11-21 10:10:28,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 10:10:28,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 10:10:28,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 10:10:28,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 10:10:28,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 10:10:28,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:28" (1/1) ... [2024-11-21 10:10:28,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27158c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:28, skipping insertion in model container [2024-11-21 10:10:28,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:28" (1/1) ... [2024-11-21 10:10:28,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 10:10:28,918 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2024-11-21 10:10:28,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 10:10:28,958 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 10:10:28,998 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2024-11-21 10:10:29,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 10:10:29,068 INFO L204 MainTranslator]: Completed translation [2024-11-21 10:10:29,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29 WrapperNode [2024-11-21 10:10:29,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 10:10:29,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 10:10:29,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 10:10:29,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 10:10:29,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (1/1) ... [2024-11-21 10:10:29,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (1/1) ... [2024-11-21 10:10:29,116 INFO L138 Inliner]: procedures = 277, calls = 431, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 550 [2024-11-21 10:10:29,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 10:10:29,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 10:10:29,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 10:10:29,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 10:10:29,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (1/1) ... [2024-11-21 10:10:29,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (1/1) ... [2024-11-21 10:10:29,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (1/1) ... [2024-11-21 10:10:29,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (1/1) ... [2024-11-21 10:10:29,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (1/1) ... [2024-11-21 10:10:29,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (1/1) ... [2024-11-21 10:10:29,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (1/1) ... [2024-11-21 10:10:29,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (1/1) ... [2024-11-21 10:10:29,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (1/1) ... [2024-11-21 10:10:29,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 10:10:29,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 10:10:29,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 10:10:29,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 10:10:29,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (1/1) ... [2024-11-21 10:10:29,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 10:10:29,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 10:10:29,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 10:10:29,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 10:10:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-21 10:10:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-21 10:10:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-21 10:10:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-21 10:10:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-21 10:10:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 10:10:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 10:10:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-21 10:10:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 10:10:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 10:10:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 10:10:29,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 10:10:29,215 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 10:10:29,336 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 10:10:29,337 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 10:10:29,907 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 10:10:29,908 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 10:10:33,083 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 10:10:33,083 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-21 10:10:33,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:33 BoogieIcfgContainer [2024-11-21 10:10:33,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 10:10:33,085 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 10:10:33,085 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 10:10:33,090 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 10:10:33,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:10:28" (1/3) ... [2024-11-21 10:10:33,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf49167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:33, skipping insertion in model container [2024-11-21 10:10:33,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:29" (2/3) ... [2024-11-21 10:10:33,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf49167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:33, skipping insertion in model container [2024-11-21 10:10:33,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:33" (3/3) ... [2024-11-21 10:10:33,092 INFO L128 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2024-11-21 10:10:33,103 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 10:10:33,104 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stack_longer-1.i that has 3 procedures, 31 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-11-21 10:10:33,104 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 10:10:33,145 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-21 10:10:33,180 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 10:10:33,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 10:10:33,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 10:10:33,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 10:10:33,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 10:10:33,254 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 10:10:33,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ======== [2024-11-21 10:10:33,272 INFO L333 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;@5820589e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 10:10:33,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 10:10:33,743 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 10:10:33,743 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 10:10:33,743 INFO L139 ounterexampleChecker]: Examining path program with hash -1640460029, occurence #1 [2024-11-21 10:10:33,743 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 10:10:33,743 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 10:10:33,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 10:10:33,747 INFO L85 PathProgramCache]: Analyzing trace with hash -216107523, now seen corresponding path program 1 times [2024-11-21 10:10:33,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 10:10:33,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382026466] [2024-11-21 10:10:33,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 10:10:33,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 10:10:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 10:10:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:34,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 10:10:34,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382026466] [2024-11-21 10:10:34,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382026466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 10:10:34,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 10:10:34,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 10:10:34,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934869151] [2024-11-21 10:10:34,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 10:10:34,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-21 10:10:34,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 10:10:34,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-21 10:10:34,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-21 10:10:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:34,277 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 10:10:34,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-21 10:10:34,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:34,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:34,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 10:10:34,686 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 10:10:34,686 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 10:10:34,686 INFO L139 ounterexampleChecker]: Examining path program with hash -143531526, occurence #1 [2024-11-21 10:10:34,686 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 10:10:34,686 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 10:10:34,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 10:10:34,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1094854754, now seen corresponding path program 1 times [2024-11-21 10:10:34,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 10:10:34,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252041025] [2024-11-21 10:10:34,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 10:10:34,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 10:10:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 10:10:34,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:34,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 10:10:34,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252041025] [2024-11-21 10:10:34,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252041025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 10:10:34,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 10:10:34,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 10:10:34,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799030366] [2024-11-21 10:10:34,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 10:10:34,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 10:10:34,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 10:10:34,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 10:10:34,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 10:10:34,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:34,852 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 10:10:34,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-21 10:10:34,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:34,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:34,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:34,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:34,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 10:10:34,921 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 10:10:34,921 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 10:10:34,921 INFO L139 ounterexampleChecker]: Examining path program with hash -1935290645, occurence #1 [2024-11-21 10:10:34,921 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 10:10:34,922 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 10:10:34,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 10:10:34,923 INFO L85 PathProgramCache]: Analyzing trace with hash -541169375, now seen corresponding path program 1 times [2024-11-21 10:10:34,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 10:10:34,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183621760] [2024-11-21 10:10:34,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 10:10:34,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 10:10:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 10:10:35,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:35,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 10:10:35,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183621760] [2024-11-21 10:10:35,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183621760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 10:10:35,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 10:10:35,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-21 10:10:35,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153811714] [2024-11-21 10:10:35,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 10:10:35,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 10:10:35,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 10:10:35,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 10:10:35,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 10:10:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:35,132 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 10:10:35,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-21 10:10:35,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:35,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:35,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:35,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-21 10:10:35,186 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 10:10:35,186 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 10:10:35,186 INFO L139 ounterexampleChecker]: Examining path program with hash -1131156130, occurence #1 [2024-11-21 10:10:35,186 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 10:10:35,186 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 10:10:35,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 10:10:35,187 INFO L85 PathProgramCache]: Analyzing trace with hash -804250321, now seen corresponding path program 1 times [2024-11-21 10:10:35,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 10:10:35,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141305470] [2024-11-21 10:10:35,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 10:10:35,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 10:10:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 10:10:35,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:35,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 10:10:35,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141305470] [2024-11-21 10:10:35,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141305470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 10:10:35,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12930870] [2024-11-21 10:10:35,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 10:10:35,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:10:35,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 10:10:35,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 10:10:35,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 10:10:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 10:10:35,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-21 10:10:35,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 10:10:35,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:35,888 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 10:10:35,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:35,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12930870] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 10:10:35,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 10:10:35,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-21 10:10:35,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740953164] [2024-11-21 10:10:35,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 10:10:35,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-21 10:10:35,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 10:10:35,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-21 10:10:35,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-21 10:10:35,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:35,937 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 10:10:35,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 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) [2024-11-21 10:10:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:35,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:36,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:36,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:36,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:36,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 10:10:36,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-21 10:10:36,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:10:36,334 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 10:10:36,336 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 10:10:36,336 INFO L139 ounterexampleChecker]: Examining path program with hash 1349002725, occurence #1 [2024-11-21 10:10:36,336 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 10:10:36,336 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 10:10:36,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 10:10:36,337 INFO L85 PathProgramCache]: Analyzing trace with hash 905601484, now seen corresponding path program 2 times [2024-11-21 10:10:36,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 10:10:36,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888055486] [2024-11-21 10:10:36,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 10:10:36,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 10:10:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 10:10:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-21 10:10:37,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 10:10:37,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888055486] [2024-11-21 10:10:37,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888055486] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 10:10:37,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789818032] [2024-11-21 10:10:37,515 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 10:10:37,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:10:37,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 10:10:37,517 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 10:10:37,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 10:10:37,729 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 10:10:37,729 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 10:10:37,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 10:10:37,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 10:10:37,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-21 10:10:37,814 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 10:10:37,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789818032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 10:10:37,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-21 10:10:37,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2024-11-21 10:10:37,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811868799] [2024-11-21 10:10:37,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 10:10:37,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 10:10:37,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 10:10:37,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 10:10:37,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-21 10:10:37,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:37,816 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 10:10:37,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 10:10:37,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:37,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:37,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:37,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 10:10:37,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:37,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 10:10:37,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 10:10:37,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-21 10:10:38,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:10:38,100 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 10:10:38,100 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 10:10:38,100 INFO L139 ounterexampleChecker]: Examining path program with hash 406342776, occurence #1 [2024-11-21 10:10:38,100 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 10:10:38,100 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 10:10:38,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 10:10:38,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1437776223, now seen corresponding path program 1 times [2024-11-21 10:10:38,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 10:10:38,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895234167] [2024-11-21 10:10:38,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 10:10:38,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 10:10:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 10:10:38,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:38,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 10:10:38,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895234167] [2024-11-21 10:10:38,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895234167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 10:10:38,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450348686] [2024-11-21 10:10:38,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 10:10:38,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:10:38,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 10:10:38,525 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 10:10:38,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 10:10:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 10:10:38,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-21 10:10:38,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 10:10:38,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:38,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 15 [2024-11-21 10:10:38,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:38,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:39,038 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:39,039 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 10:10:39,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-21 10:10:39,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2024-11-21 10:10:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:39,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450348686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 10:10:39,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 10:10:39,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2024-11-21 10:10:39,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827584] [2024-11-21 10:10:39,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 10:10:39,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-21 10:10:39,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 10:10:39,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-21 10:10:39,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=189, Unknown=0, NotChecked=0, Total=306 [2024-11-21 10:10:39,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:39,625 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 10:10:39,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.611111111111111) internal successors, (119), 17 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 10:10:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 10:10:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 10:10:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:39,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 10:10:39,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 10:10:39,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 10:10:40,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 10:10:40,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:10:40,195 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 10:10:40,195 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 10:10:40,196 INFO L139 ounterexampleChecker]: Examining path program with hash 406342776, occurence #2 [2024-11-21 10:10:40,196 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 10:10:40,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 10:10:40,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 10:10:40,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 10:10:40,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 10:10:40,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 10:10:40,206 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:40,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 10:10:40,206 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:40,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 10:10:40,206 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:40,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 10:10:40,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:40,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 10:10:40,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:40,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 10:10:40,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:40,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 10:10:40,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:40,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 10:10:40,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:40,207 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 10:10:40,207 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:40,207 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 10:10:40,207 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 10:10:40,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 10:10:40,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1595377306, now seen corresponding path program 2 times [2024-11-21 10:10:40,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 10:10:40,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434424866] [2024-11-21 10:10:40,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 10:10:40,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 10:10:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 10:10:41,512 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:41,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 10:10:41,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434424866] [2024-11-21 10:10:41,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434424866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 10:10:41,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427679720] [2024-11-21 10:10:41,513 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 10:10:41,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:10:41,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 10:10:41,515 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 10:10:41,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 10:10:41,780 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 10:10:41,780 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 10:10:41,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-21 10:10:41,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 10:10:41,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:41,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 15 [2024-11-21 10:10:41,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:41,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:41,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:41,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:42,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:42,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:42,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:42,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 10:10:43,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2024-11-21 10:10:43,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2024-11-21 10:10:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:43,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427679720] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 10:10:43,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 10:10:43,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 37 [2024-11-21 10:10:43,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658903047] [2024-11-21 10:10:43,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 10:10:43,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-21 10:10:43,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 10:10:43,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-21 10:10:43,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=469, Invalid=937, Unknown=0, NotChecked=0, Total=1406 [2024-11-21 10:10:43,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:43,222 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 10:10:43,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 5.947368421052632) internal successors, (226), 37 states have internal predecessors, (226), 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) [2024-11-21 10:10:43,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:43,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:43,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:43,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 10:10:43,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 10:10:43,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 10:10:43,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:43,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:43,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:43,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:43,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 10:10:43,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 10:10:43,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 10:10:43,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 10:10:44,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-21 10:10:44,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:10:44,184 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 10:10:44,184 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 10:10:44,185 INFO L139 ounterexampleChecker]: Examining path program with hash 406342776, occurence #3 [2024-11-21 10:10:44,185 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 10:10:44,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 10:10:44,185 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 10:10:44,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 10:10:44,185 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 10:10:44,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 10:10:44,185 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 10:10:44,185 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 10:10:44,185 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,185 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 10:10:44,185 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 10:10:44,186 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 10:10:44,186 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-11-21 10:10:44,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:44,188 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 10:10:44,188 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 10:10:44,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 10:10:44,189 INFO L85 PathProgramCache]: Analyzing trace with hash -575870266, now seen corresponding path program 3 times [2024-11-21 10:10:44,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 10:10:44,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765627610] [2024-11-21 10:10:44,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 10:10:44,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 10:10:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 10:10:46,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:46,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 10:10:46,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765627610] [2024-11-21 10:10:46,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765627610] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 10:10:46,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139168383] [2024-11-21 10:10:46,275 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 10:10:46,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:10:46,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 10:10:46,276 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 10:10:46,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-21 10:10:49,192 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-11-21 10:10:49,193 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 10:10:49,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 1491 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-21 10:10:49,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 10:10:49,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 15 [2024-11-21 10:10:49,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,448 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:49,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:49,841 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 10:10:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:50,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139168383] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 10:10:50,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 10:10:50,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 24] total 73 [2024-11-21 10:10:50,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419919594] [2024-11-21 10:10:50,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 10:10:50,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-11-21 10:10:50,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 10:10:50,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-11-21 10:10:50,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1639, Invalid=3763, Unknown=0, NotChecked=0, Total=5402 [2024-11-21 10:10:50,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:50,446 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 10:10:50,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 5.824324324324325) internal successors, (431), 73 states have internal predecessors, (431), 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) [2024-11-21 10:10:50,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:50,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:50,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:50,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 10:10:50,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 10:10:50,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 10:10:50,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 10:10:50,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:10:52,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:10:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:10:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 10:10:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 10:10:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 10:10:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 10:10:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-21 10:10:52,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-21 10:10:53,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:10:53,140 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 10:10:53,140 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 10:10:53,140 INFO L139 ounterexampleChecker]: Examining path program with hash 406342776, occurence #4 [2024-11-21 10:10:53,140 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 10:10:53,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 10:10:53,140 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 10:10:53,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 10:10:53,140 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 10:10:53,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 10:10:53,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 10:10:53,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 10:10:53,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 10:10:53,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 10:10:53,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-11-21 10:10:53,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-11-21 10:10:53,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,143 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2024-11-21 10:10:53,143 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:10:53,143 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 10:10:53,143 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 10:10:53,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 10:10:53,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1069337210, now seen corresponding path program 4 times [2024-11-21 10:10:53,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 10:10:53,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311370178] [2024-11-21 10:10:53,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 10:10:53,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 10:10:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 10:10:59,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 0 proven. 5035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:10:59,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 10:10:59,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311370178] [2024-11-21 10:10:59,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311370178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 10:10:59,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696136511] [2024-11-21 10:10:59,385 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 10:10:59,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:10:59,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 10:10:59,387 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 10:10:59,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-21 10:10:59,795 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 10:10:59,795 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 10:10:59,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-21 10:10:59,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 10:10:59,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:59,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 15 [2024-11-21 10:10:59,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:59,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:10:59,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:00,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:01,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-21 10:11:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 0 proven. 5035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:11:01,103 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 10:11:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5035 backedges. 0 proven. 5035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:11:02,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696136511] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 10:11:02,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 10:11:02,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 44, 43] total 133 [2024-11-21 10:11:02,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63636170] [2024-11-21 10:11:02,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 10:11:02,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2024-11-21 10:11:02,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 10:11:02,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2024-11-21 10:11:02,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5695, Invalid=12127, Unknown=0, NotChecked=0, Total=17822 [2024-11-21 10:11:02,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:11:02,764 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 10:11:02,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 6.335820895522388) internal successors, (849), 133 states have internal predecessors, (849), 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) [2024-11-21 10:11:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:11:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:11:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:11:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-21 10:11:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-21 10:11:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-21 10:11:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-21 10:11:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-11-21 10:11:02,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 10:11:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-21 10:11:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:11:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 10:11:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-21 10:11:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 10:11:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-21 10:11:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-21 10:11:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-21 10:11:13,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-11-21 10:11:13,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-21 10:11:13,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:11:13,844 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 10:11:13,844 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 10:11:13,845 INFO L139 ounterexampleChecker]: Examining path program with hash 406342776, occurence #5 [2024-11-21 10:11:13,845 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 10:11:13,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-21 10:11:13,845 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 10:11:13,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 10:11:13,845 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 10:11:13,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-11-21 10:11:13,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-11-21 10:11:13,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-21 10:11:13,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-21 10:11:13,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-11-21 10:11:13,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-11-21 10:11:13,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-21 10:11:13,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-11-21 10:11:13,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-11-21 10:11:13,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2024-11-21 10:11:13,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-11-21 10:11:13,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2024-11-21 10:11:13,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-11-21 10:11:13,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2024-11-21 10:11:13,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2024-11-21 10:11:13,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2024-11-21 10:11:13,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-11-21 10:11:13,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2024-11-21 10:11:13,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-11-21 10:11:13,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,847 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2024-11-21 10:11:13,847 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 299 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 306 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 320 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 327 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 334 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 341 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 348 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 362 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 369 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 376 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 383 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 390 [2024-11-21 10:11:13,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 397 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 404 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 411 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 418 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 425 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 432 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 439 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 446 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 453 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 467 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 474 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 488 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 495 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 502 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 509 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 516 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 523 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 530 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 537 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 544 [2024-11-21 10:11:13,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2024-11-21 10:11:13,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2024-11-21 10:11:13,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 565 [2024-11-21 10:11:13,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 10:11:13,850 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 10:11:13,850 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 10:11:13,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 10:11:13,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1160942842, now seen corresponding path program 5 times [2024-11-21 10:11:13,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 10:11:13,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001715318] [2024-11-21 10:11:13,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 10:11:13,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 10:11:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 10:11:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 21255 backedges. 0 proven. 21255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 10:11:39,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 10:11:39,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001715318] [2024-11-21 10:11:39,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001715318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 10:11:39,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198406751] [2024-11-21 10:11:39,920 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-21 10:11:39,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 10:11:39,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 10:11:39,922 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 10:11:39,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process Killed by 15