./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/stack_longest-2.i --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 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 ../../../trunk/examples/svcomp/pthread/stack_longest-2.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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 15:01:06,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 15:01:07,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 15:01:07,090 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 15:01:07,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 15:01:07,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 15:01:07,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 15:01:07,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 15:01:07,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 15:01:07,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 15:01:07,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 15:01:07,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 15:01:07,121 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 15:01:07,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 15:01:07,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 15:01:07,121 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 15:01:07,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 15:01:07,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 15:01:07,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 15:01:07,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 15:01:07,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 15:01:07,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 15:01:07,122 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 15:01:07,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 15:01:07,123 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 15:01:07,123 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 15:01:07,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 15:01:07,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 15:01:07,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 15:01:07,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 15:01:07,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 15:01:07,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 15:01:07,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 15:01:07,124 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 15:01:07,124 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 15:01:07,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 15:01:07,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 15:01:07,124 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 15:01:07,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 15:01:07,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 15:01:07,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 15:01:07,124 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 15:01:07,124 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 15:01:07,124 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 -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2025-01-23 15:01:07,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 15:01:07,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 15:01:07,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 15:01:07,477 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 15:01:07,477 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 15:01:07,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2025-01-23 15:01:08,793 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/485159695/c62521fa43214af0a242e4dd52e3f40f/FLAG7fc045ffb [2025-01-23 15:01:09,090 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 15:01:09,091 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/stack_longest-2.i [2025-01-23 15:01:09,114 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/485159695/c62521fa43214af0a242e4dd52e3f40f/FLAG7fc045ffb [2025-01-23 15:01:09,135 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/485159695/c62521fa43214af0a242e4dd52e3f40f [2025-01-23 15:01:09,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 15:01:09,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 15:01:09,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 15:01:09,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 15:01:09,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 15:01:09,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336ce9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09, skipping insertion in model container [2025-01-23 15:01:09,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,191 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 15:01:09,524 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/stack_longest-2.i[41530,41543] [2025-01-23 15:01:09,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 15:01:09,595 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 15:01:09,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/stack_longest-2.i[41530,41543] [2025-01-23 15:01:09,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 15:01:09,819 INFO L204 MainTranslator]: Completed translation [2025-01-23 15:01:09,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09 WrapperNode [2025-01-23 15:01:09,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 15:01:09,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 15:01:09,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 15:01:09,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 15:01:09,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,923 INFO L138 Inliner]: procedures = 277, calls = 830, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 939 [2025-01-23 15:01:09,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 15:01:09,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 15:01:09,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 15:01:09,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 15:01:09,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,973 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:09,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 15:01:09,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 15:01:09,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 15:01:09,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 15:01:09,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (1/1) ... [2025-01-23 15:01:10,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 15:01:10,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 15:01:10,040 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) [2025-01-23 15:01:10,044 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 [2025-01-23 15:01:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-01-23 15:01:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-01-23 15:01:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-01-23 15:01:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-01-23 15:01:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-01-23 15:01:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-23 15:01:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-23 15:01:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-01-23 15:01:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 15:01:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 15:01:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 15:01:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 15:01:10,069 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 15:01:10,209 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 15:01:10,211 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 15:01:11,533 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 15:01:11,533 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 15:01:22,912 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 15:01:22,912 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-23 15:01:22,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 03:01:22 BoogieIcfgContainer [2025-01-23 15:01:22,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 15:01:22,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 15:01:22,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 15:01:22,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 15:01:22,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 03:01:09" (1/3) ... [2025-01-23 15:01:22,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1a6a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 03:01:22, skipping insertion in model container [2025-01-23 15:01:22,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 03:01:09" (2/3) ... [2025-01-23 15:01:22,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1a6a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 03:01:22, skipping insertion in model container [2025-01-23 15:01:22,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 03:01:22" (3/3) ... [2025-01-23 15:01:22,924 INFO L128 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2025-01-23 15:01:22,941 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 15:01:22,943 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stack_longest-2.i that has 3 procedures, 30 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2025-01-23 15:01:22,943 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 15:01:23,030 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-23 15:01:23,075 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 15:01:23,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 15:01:23,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 15:01:23,080 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) [2025-01-23 15:01:23,081 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 [2025-01-23 15:01:23,180 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 15:01:23,198 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ======== [2025-01-23 15:01:23,205 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;@4d234aa8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 15:01:23,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-23 15:01:23,476 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:01:23,476 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:01:23,476 INFO L139 ounterexampleChecker]: Examining path program with hash 1039645209, occurence #1 [2025-01-23 15:01:23,477 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 15:01:23,477 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:01:23,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:01:23,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1339098493, now seen corresponding path program 1 times [2025-01-23 15:01:23,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:01:23,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121833422] [2025-01-23 15:01:23,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 15:01:23,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:01:23,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-23 15:01:23,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-23 15:01:23,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 15:01:23,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:01:24,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 15:01:24,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:01:24,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121833422] [2025-01-23 15:01:24,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121833422] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 15:01:24,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 15:01:24,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 15:01:24,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610681724] [2025-01-23 15:01:24,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 15:01:24,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 15:01:24,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:01:24,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 15:01:24,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 15:01:24,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:24,669 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:01:24,671 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) [2025-01-23 15:01:24,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:25,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:25,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 15:01:25,099 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:01:25,099 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:01:25,099 INFO L139 ounterexampleChecker]: Examining path program with hash 1898228608, occurence #1 [2025-01-23 15:01:25,099 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 15:01:25,099 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:01:25,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:01:25,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1021591154, now seen corresponding path program 1 times [2025-01-23 15:01:25,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:01:25,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390751894] [2025-01-23 15:01:25,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 15:01:25,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:01:25,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-23 15:01:25,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-23 15:01:25,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 15:01:25,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:01:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 15:01:25,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:01:25,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390751894] [2025-01-23 15:01:25,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390751894] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 15:01:25,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 15:01:25,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-23 15:01:25,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254924507] [2025-01-23 15:01:25,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 15:01:25,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 15:01:25,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:01:25,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 15:01:25,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 15:01:25,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:25,576 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:01:25,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 15:01:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:25,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:25,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-23 15:01:25,794 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:01:25,794 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:01:25,794 INFO L139 ounterexampleChecker]: Examining path program with hash -1036638729, occurence #1 [2025-01-23 15:01:25,795 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 15:01:25,795 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:01:25,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:01:25,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2097442841, now seen corresponding path program 2 times [2025-01-23 15:01:25,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:01:25,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549997738] [2025-01-23 15:01:25,796 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 15:01:25,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:01:25,845 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-23 15:01:25,914 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-23 15:01:25,915 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 15:01:25,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:01:26,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-23 15:01:26,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:01:26,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549997738] [2025-01-23 15:01:26,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549997738] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 15:01:26,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 15:01:26,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 15:01:26,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715302245] [2025-01-23 15:01:26,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 15:01:26,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 15:01:26,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:01:26,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 15:01:26,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-23 15:01:26,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:26,331 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:01:26,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 15:01:26,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:26,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:26,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:26,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:26,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:26,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-23 15:01:26,448 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:01:26,448 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:01:26,448 INFO L139 ounterexampleChecker]: Examining path program with hash 861917664, occurence #1 [2025-01-23 15:01:26,448 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 15:01:26,448 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:01:26,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:01:26,449 INFO L85 PathProgramCache]: Analyzing trace with hash -614432975, now seen corresponding path program 1 times [2025-01-23 15:01:26,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:01:26,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110300870] [2025-01-23 15:01:26,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 15:01:26,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:01:26,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-23 15:01:26,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-23 15:01:26,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 15:01:26,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:01:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 15:01:26,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:01:26,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110300870] [2025-01-23 15:01:26,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110300870] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 15:01:26,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 15:01:26,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 15:01:26,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920549969] [2025-01-23 15:01:26,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 15:01:26,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-23 15:01:26,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:01:26,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-23 15:01:26,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-23 15:01:26,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:26,907 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:01:26,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 15:01:26,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:26,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:26,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:26,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:27,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:27,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:27,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:01:27,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-23 15:01:27,009 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:01:27,009 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:01:27,009 INFO L139 ounterexampleChecker]: Examining path program with hash 808838771, occurence #1 [2025-01-23 15:01:27,009 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 15:01:27,010 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:01:27,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:01:27,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1190916995, now seen corresponding path program 1 times [2025-01-23 15:01:27,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:01:27,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349753453] [2025-01-23 15:01:27,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 15:01:27,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:01:27,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-23 15:01:27,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-23 15:01:27,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 15:01:27,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:01:27,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 15:01:27,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:01:27,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349753453] [2025-01-23 15:01:27,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349753453] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 15:01:27,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356830376] [2025-01-23 15:01:27,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 15:01:27,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:01:27,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 15:01:27,778 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) [2025-01-23 15:01:27,780 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 [2025-01-23 15:01:27,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-23 15:01:28,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-23 15:01:28,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 15:01:28,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:01:28,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 1767 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 15:01:28,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 15:01:28,250 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 [2025-01-23 15:01:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 15:01:28,522 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 15:01:28,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 15:01:28,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356830376] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 15:01:28,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 15:01:28,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-01-23 15:01:28,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324803849] [2025-01-23 15:01:28,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 15:01:28,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-23 15:01:28,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:01:28,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-23 15:01:28,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-01-23 15:01:28,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:28,603 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:01:28,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 15:01:28,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:28,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:28,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:28,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:01:28,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:28,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:28,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:28,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:28,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:01:28,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:01:28,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 15:01:29,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:01:29,120 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:01:29,120 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:01:29,120 INFO L139 ounterexampleChecker]: Examining path program with hash 614001133, occurence #1 [2025-01-23 15:01:29,121 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 15:01:29,121 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:01:29,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:01:29,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1293300218, now seen corresponding path program 1 times [2025-01-23 15:01:29,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:01:29,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637105114] [2025-01-23 15:01:29,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 15:01:29,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:01:29,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-23 15:01:29,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-23 15:01:29,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 15:01:29,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:01:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-23 15:01:30,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:01:30,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637105114] [2025-01-23 15:01:30,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637105114] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 15:01:30,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798576150] [2025-01-23 15:01:30,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 15:01:30,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:01:30,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 15:01:30,075 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) [2025-01-23 15:01:30,078 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 [2025-01-23 15:01:30,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-23 15:01:30,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-23 15:01:30,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 15:01:30,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:01:30,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 15:01:30,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 15:01:30,550 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 [2025-01-23 15:01:30,607 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 [2025-01-23 15:01:30,681 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 [2025-01-23 15:01:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-23 15:01:30,737 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 15:01:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-23 15:01:31,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798576150] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 15:01:31,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 15:01:31,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-01-23 15:01:31,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417414956] [2025-01-23 15:01:31,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 15:01:31,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-23 15:01:31,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:01:31,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-23 15:01:31,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2025-01-23 15:01:31,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:31,029 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:01:31,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 15:01:31,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:31,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:31,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:31,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:01:31,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:01:31,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:31,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:31,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:31,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:31,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:01:31,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:01:31,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-23 15:01:31,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-23 15:01:31,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:01:31,721 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:01:31,721 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:01:31,721 INFO L139 ounterexampleChecker]: Examining path program with hash 614001133, occurence #2 [2025-01-23 15:01:31,721 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 15:01:31,721 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 15:01:31,735 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 15:01:31,735 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 15:01:31,735 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 15:01:31,735 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-23 15:01:31,735 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:31,736 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-23 15:01:31,773 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:31,774 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-23 15:01:31,774 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:31,774 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-01-23 15:01:31,774 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:31,774 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-23 15:01:31,774 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:31,774 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2025-01-23 15:01:31,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:31,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-23 15:01:31,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:31,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-01-23 15:01:31,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:31,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-01-23 15:01:31,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:31,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-01-23 15:01:31,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:31,775 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 15:01:31,775 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:01:31,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:01:31,776 INFO L85 PathProgramCache]: Analyzing trace with hash -908159529, now seen corresponding path program 2 times [2025-01-23 15:01:31,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:01:31,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942967138] [2025-01-23 15:01:31,776 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 15:01:31,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:01:31,909 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 132 statements into 2 equivalence classes. [2025-01-23 15:01:32,001 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 132 of 132 statements. [2025-01-23 15:01:32,002 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 15:01:32,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:01:33,316 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 9 proven. 192 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2025-01-23 15:01:33,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:01:33,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942967138] [2025-01-23 15:01:33,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942967138] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 15:01:33,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471154122] [2025-01-23 15:01:33,317 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 15:01:33,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:01:33,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 15:01:33,319 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) [2025-01-23 15:01:33,322 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 [2025-01-23 15:01:33,463 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 132 statements into 2 equivalence classes. [2025-01-23 15:01:33,758 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 132 of 132 statements. [2025-01-23 15:01:33,758 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 15:01:33,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:01:33,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-23 15:01:33,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 15:01:33,806 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 [2025-01-23 15:01:33,869 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 [2025-01-23 15:01:33,970 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 [2025-01-23 15:01:34,021 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 [2025-01-23 15:01:34,067 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 [2025-01-23 15:01:34,117 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 [2025-01-23 15:01:34,176 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 [2025-01-23 15:01:34,241 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 [2025-01-23 15:01:34,301 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 [2025-01-23 15:01:34,374 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 [2025-01-23 15:01:34,429 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 66 proven. 195 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-23 15:01:34,430 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 15:01:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 9 proven. 192 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2025-01-23 15:01:34,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471154122] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 15:01:34,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 15:01:34,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 14] total 36 [2025-01-23 15:01:34,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306494515] [2025-01-23 15:01:34,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 15:01:34,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-01-23 15:01:34,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:01:34,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-01-23 15:01:34,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=424, Invalid=836, Unknown=0, NotChecked=0, Total=1260 [2025-01-23 15:01:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:34,928 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:01:34,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.583333333333333) internal successors, (201), 36 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 15:01:34,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:34,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:34,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:34,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:01:34,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:01:34,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-23 15:01:34,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:01:37,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:01:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:01:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:01:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-23 15:01:37,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-01-23 15:01:37,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-23 15:01:37,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:01:37,236 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:01:37,236 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:01:37,237 INFO L139 ounterexampleChecker]: Examining path program with hash 614001133, occurence #3 [2025-01-23 15:01:37,237 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 15:01:37,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 15:01:37,237 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 15:01:37,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 15:01:37,237 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 15:01:37,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-23 15:01:37,237 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,237 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-01-23 15:01:37,273 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-01-23 15:01:37,274 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-01-23 15:01:37,274 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-01-23 15:01:37,275 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,275 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-01-23 15:01:37,275 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-01-23 15:01:37,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2025-01-23 15:01:37,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2025-01-23 15:01:37,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 210 [2025-01-23 15:01:37,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-01-23 15:01:37,276 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2025-01-23 15:01:37,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2025-01-23 15:01:37,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-01-23 15:01:37,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2025-01-23 15:01:37,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-01-23 15:01:37,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2025-01-23 15:01:37,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2025-01-23 15:01:37,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2025-01-23 15:01:37,278 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,278 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 270 [2025-01-23 15:01:37,278 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:01:37,278 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 15:01:37,278 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:01:37,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:01:37,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1457666450, now seen corresponding path program 3 times [2025-01-23 15:01:37,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:01:37,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626957415] [2025-01-23 15:01:37,279 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 15:01:37,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:01:37,364 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 276 statements into 19 equivalence classes. [2025-01-23 15:01:39,039 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 240 of 276 statements. [2025-01-23 15:01:39,039 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-01-23 15:01:39,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:01:43,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 548 proven. 129 refuted. 0 times theorem prover too weak. 1123 trivial. 0 not checked. [2025-01-23 15:01:43,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:01:43,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626957415] [2025-01-23 15:01:43,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626957415] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 15:01:43,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607799381] [2025-01-23 15:01:43,428 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 15:01:43,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:01:43,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 15:01:43,430 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) [2025-01-23 15:01:43,433 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 [2025-01-23 15:01:43,656 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 276 statements into 19 equivalence classes. [2025-01-23 15:02:05,836 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 240 of 276 statements. [2025-01-23 15:02:05,837 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-01-23 15:02:05,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:02:05,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 2641 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-23 15:02:05,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 15:02:05,884 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 [2025-01-23 15:02:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 230 proven. 7 refuted. 0 times theorem prover too weak. 1563 trivial. 0 not checked. [2025-01-23 15:02:06,042 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 15:02:06,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 1563 trivial. 0 not checked. [2025-01-23 15:02:06,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607799381] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-23 15:02:06,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-23 15:02:06,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15, 5] total 19 [2025-01-23 15:02:06,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952337272] [2025-01-23 15:02:06,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 15:02:06,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 15:02:06,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:02:06,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 15:02:06,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342 [2025-01-23 15:02:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:02:06,099 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:02:06,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 15:02:06,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:06,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:06,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:06,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:02:06,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:02:06,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-23 15:02:06,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-01-23 15:02:06,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:02:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:06,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:02:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:02:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-23 15:02:06,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-23 15:02:06,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:06,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-23 15:02:06,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:02:06,665 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:02:06,665 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:02:06,665 INFO L139 ounterexampleChecker]: Examining path program with hash -1522771593, occurence #1 [2025-01-23 15:02:06,665 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 15:02:06,665 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:02:06,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:02:06,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1157890609, now seen corresponding path program 4 times [2025-01-23 15:02:06,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:02:06,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489099167] [2025-01-23 15:02:06,666 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 15:02:06,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:02:06,749 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 332 statements into 2 equivalence classes. [2025-01-23 15:02:07,189 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 332 of 332 statements. [2025-01-23 15:02:07,189 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 15:02:07,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:02:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1612 backedges. 329 proven. 1041 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2025-01-23 15:02:17,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:02:17,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489099167] [2025-01-23 15:02:17,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489099167] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 15:02:17,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570786335] [2025-01-23 15:02:17,736 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 15:02:17,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:02:17,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 15:02:17,739 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) [2025-01-23 15:02:17,740 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 [2025-01-23 15:02:18,028 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 332 statements into 2 equivalence classes. [2025-01-23 15:02:18,395 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 332 of 332 statements. [2025-01-23 15:02:18,396 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-23 15:02:18,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:02:18,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-23 15:02:18,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 15:02:18,435 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 [2025-01-23 15:02:18,488 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 [2025-01-23 15:02:18,522 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 [2025-01-23 15:02:18,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1612 backedges. 248 proven. 8 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2025-01-23 15:02:18,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 15:02:18,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1612 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2025-01-23 15:02:18,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570786335] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-23 15:02:18,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-23 15:02:18,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [30, 7] total 40 [2025-01-23 15:02:18,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188041952] [2025-01-23 15:02:18,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 15:02:18,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-23 15:02:18,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:02:18,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-23 15:02:18,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=1029, Unknown=0, NotChecked=0, Total=1560 [2025-01-23 15:02:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:02:18,670 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:02:18,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 15:02:18,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:18,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:18,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:18,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:02:18,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:02:18,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-23 15:02:18,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-23 15:02:18,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:18,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:02:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:02:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:02:18,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-23 15:02:18,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-23 15:02:18,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:02:18,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 15:02:18,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-23 15:02:19,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:02:19,059 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:02:19,059 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:02:19,059 INFO L139 ounterexampleChecker]: Examining path program with hash 1163740303, occurence #1 [2025-01-23 15:02:19,059 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 15:02:19,059 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:02:19,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:02:19,060 INFO L85 PathProgramCache]: Analyzing trace with hash 753436892, now seen corresponding path program 5 times [2025-01-23 15:02:19,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:02:19,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450092373] [2025-01-23 15:02:19,060 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 15:02:19,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:02:19,122 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 273 statements into 19 equivalence classes. [2025-01-23 15:02:19,924 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) and asserted 273 of 273 statements. [2025-01-23 15:02:19,925 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2025-01-23 15:02:19,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:02:24,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 152 proven. 202 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2025-01-23 15:02:24,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:02:24,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450092373] [2025-01-23 15:02:24,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450092373] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 15:02:24,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706298346] [2025-01-23 15:02:24,874 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 15:02:24,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:02:24,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 15:02:24,876 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) [2025-01-23 15:02:24,878 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 [2025-01-23 15:02:25,148 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 273 statements into 19 equivalence classes. [2025-01-23 15:14:11,328 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) and asserted 273 of 273 statements. [2025-01-23 15:14:11,329 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2025-01-23 15:14:11,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:14:11,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 2811 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-01-23 15:14:11,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 15:14:11,481 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 [2025-01-23 15:14:11,542 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 [2025-01-23 15:14:11,600 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 [2025-01-23 15:14:11,667 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 [2025-01-23 15:14:11,736 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 [2025-01-23 15:14:11,814 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 [2025-01-23 15:14:11,868 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 [2025-01-23 15:14:11,934 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 [2025-01-23 15:14:12,002 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 [2025-01-23 15:14:12,073 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 [2025-01-23 15:14:12,125 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 [2025-01-23 15:14:12,180 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 [2025-01-23 15:14:12,260 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 [2025-01-23 15:14:12,338 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 [2025-01-23 15:14:12,416 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 [2025-01-23 15:14:12,500 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 [2025-01-23 15:14:12,584 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 [2025-01-23 15:14:12,665 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 [2025-01-23 15:14:12,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 14 proven. 975 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-01-23 15:14:12,835 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 15:14:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 14 proven. 972 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2025-01-23 15:14:14,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706298346] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 15:14:14,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 15:14:14,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 36, 36] total 90 [2025-01-23 15:14:14,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145752956] [2025-01-23 15:14:14,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 15:14:14,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2025-01-23 15:14:14,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:14:14,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2025-01-23 15:14:14,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1529, Invalid=6481, Unknown=0, NotChecked=0, Total=8010 [2025-01-23 15:14:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:14:14,462 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:14:14,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 3.988888888888889) internal successors, (359), 90 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 15:14:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:14:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:14:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-23 15:14:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-23 15:14:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 15:14:14,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:14:21,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:21,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:21,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:21,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:14:21,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:14:21,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-23 15:14:21,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-23 15:14:21,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:21,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 15:14:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-01-23 15:14:21,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-23 15:14:21,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:14:21,387 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:14:21,387 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:14:21,388 INFO L139 ounterexampleChecker]: Examining path program with hash 213383143, occurence #1 [2025-01-23 15:14:21,388 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 15:14:21,388 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:14:21,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:14:21,388 INFO L85 PathProgramCache]: Analyzing trace with hash -697932066, now seen corresponding path program 1 times [2025-01-23 15:14:21,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:14:21,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066976850] [2025-01-23 15:14:21,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 15:14:21,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:14:21,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 399 statements into 1 equivalence classes. [2025-01-23 15:14:21,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 399 of 399 statements. [2025-01-23 15:14:21,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 15:14:21,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:14:22,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 0 proven. 1509 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2025-01-23 15:14:22,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:14:22,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066976850] [2025-01-23 15:14:22,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066976850] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 15:14:22,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080310485] [2025-01-23 15:14:22,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 15:14:22,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:14:22,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 15:14:22,822 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) [2025-01-23 15:14:22,822 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 [2025-01-23 15:14:23,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 399 statements into 1 equivalence classes. [2025-01-23 15:14:23,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 399 of 399 statements. [2025-01-23 15:14:23,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 15:14:23,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:14:23,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 3319 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-23 15:14:23,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 15:14:23,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 0 proven. 1509 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2025-01-23 15:14:23,738 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 15:14:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 0 proven. 1509 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2025-01-23 15:14:24,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080310485] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 15:14:24,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 15:14:24,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2025-01-23 15:14:24,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22905371] [2025-01-23 15:14:24,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 15:14:24,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-01-23 15:14:24,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:14:24,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-01-23 15:14:24,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2025-01-23 15:14:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:14:24,435 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:14:24,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 11.702127659574469) internal successors, (550), 47 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 15:14:24,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:24,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:24,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:24,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:14:24,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:14:24,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-23 15:14:24,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-23 15:14:24,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:24,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 15:14:24,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-01-23 15:14:24,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:14:27,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:27,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:27,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:27,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:14:27,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:14:27,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-23 15:14:27,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-23 15:14:27,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:27,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 15:14:27,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2025-01-23 15:14:27,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 15:14:27,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-23 15:14:27,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:14:27,208 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:14:27,208 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:14:27,209 INFO L139 ounterexampleChecker]: Examining path program with hash -640704925, occurence #1 [2025-01-23 15:14:27,209 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 15:14:27,209 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:14:27,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:14:27,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1146818576, now seen corresponding path program 1 times [2025-01-23 15:14:27,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:14:27,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054104004] [2025-01-23 15:14:27,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 15:14:27,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:14:27,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 813 statements into 1 equivalence classes. [2025-01-23 15:14:27,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 813 of 813 statements. [2025-01-23 15:14:27,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 15:14:27,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:14:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 16750 backedges. 0 proven. 12606 refuted. 0 times theorem prover too weak. 4144 trivial. 0 not checked. [2025-01-23 15:14:31,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:14:31,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054104004] [2025-01-23 15:14:31,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054104004] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 15:14:31,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937881005] [2025-01-23 15:14:31,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 15:14:31,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:14:31,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 15:14:31,662 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 15:14:31,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-23 15:14:32,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 813 statements into 1 equivalence classes. [2025-01-23 15:14:32,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 813 of 813 statements. [2025-01-23 15:14:32,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 15:14:32,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:14:32,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 5034 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-01-23 15:14:32,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 15:14:33,355 INFO L134 CoverageAnalysis]: Checked inductivity of 16750 backedges. 0 proven. 12606 refuted. 0 times theorem prover too weak. 4144 trivial. 0 not checked. [2025-01-23 15:14:33,355 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 15:14:35,705 INFO L134 CoverageAnalysis]: Checked inductivity of 16750 backedges. 0 proven. 12606 refuted. 0 times theorem prover too weak. 4144 trivial. 0 not checked. [2025-01-23 15:14:35,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937881005] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 15:14:35,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 15:14:35,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2025-01-23 15:14:35,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101556740] [2025-01-23 15:14:35,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 15:14:35,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2025-01-23 15:14:35,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:14:35,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2025-01-23 15:14:35,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2025-01-23 15:14:35,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:14:35,714 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:14:35,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 12.795698924731182) internal successors, (1190), 93 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 15:14:35,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:35,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:35,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:35,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:14:35,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:14:35,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-23 15:14:35,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-23 15:14:35,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:35,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 15:14:35,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2025-01-23 15:14:35,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 15:14:35,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:14:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:14:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:14:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-23 15:14:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-23 15:14:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:14:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-23 15:14:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2025-01-23 15:14:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-23 15:14:38,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-01-23 15:14:38,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-23 15:14:38,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:14:38,511 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-23 15:14:38,511 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 15:14:38,512 INFO L139 ounterexampleChecker]: Examining path program with hash -640704925, occurence #2 [2025-01-23 15:14:38,512 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 15:14:38,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 15:14:38,512 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 15:14:38,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 15:14:38,512 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 15:14:38,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-23 15:14:38,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-23 15:14:38,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-23 15:14:38,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-23 15:14:38,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-23 15:14:38,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-01-23 15:14:38,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-23 15:14:38,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-23 15:14:38,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 290 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 303 [2025-01-23 15:14:38,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 316 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 329 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 342 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 368 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 381 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 394 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 407 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 420 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 446 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 459 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 472 [2025-01-23 15:14:38,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 485 [2025-01-23 15:14:38,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 498 [2025-01-23 15:14:38,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2025-01-23 15:14:38,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 524 [2025-01-23 15:14:38,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 537 [2025-01-23 15:14:38,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-01-23 15:14:38,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 563 [2025-01-23 15:14:38,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 576 [2025-01-23 15:14:38,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 589 [2025-01-23 15:14:38,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 602 [2025-01-23 15:14:38,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2025-01-23 15:14:38,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 628 [2025-01-23 15:14:38,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 641 [2025-01-23 15:14:38,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 654 [2025-01-23 15:14:38,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 667 [2025-01-23 15:14:38,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 680 [2025-01-23 15:14:38,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 693 [2025-01-23 15:14:38,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 706 [2025-01-23 15:14:38,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 719 [2025-01-23 15:14:38,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 732 [2025-01-23 15:14:38,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,516 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 745 [2025-01-23 15:14:38,516 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 758 [2025-01-23 15:14:38,517 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 771 [2025-01-23 15:14:38,517 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 784 [2025-01-23 15:14:38,517 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 797 [2025-01-23 15:14:38,517 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 810 [2025-01-23 15:14:38,517 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 823 [2025-01-23 15:14:38,517 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 836 [2025-01-23 15:14:38,517 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 849 [2025-01-23 15:14:38,517 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 862 [2025-01-23 15:14:38,518 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 875 [2025-01-23 15:14:38,518 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,519 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 888 [2025-01-23 15:14:38,519 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,519 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 901 [2025-01-23 15:14:38,519 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,519 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 914 [2025-01-23 15:14:38,519 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,519 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 927 [2025-01-23 15:14:38,519 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,519 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 940 [2025-01-23 15:14:38,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 953 [2025-01-23 15:14:38,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 966 [2025-01-23 15:14:38,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 979 [2025-01-23 15:14:38,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 992 [2025-01-23 15:14:38,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1005 [2025-01-23 15:14:38,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1018 [2025-01-23 15:14:38,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1031 [2025-01-23 15:14:38,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1044 [2025-01-23 15:14:38,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1057 [2025-01-23 15:14:38,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1070 [2025-01-23 15:14:38,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1083 [2025-01-23 15:14:38,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1096 [2025-01-23 15:14:38,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1109 [2025-01-23 15:14:38,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1122 [2025-01-23 15:14:38,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1135 [2025-01-23 15:14:38,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1148 [2025-01-23 15:14:38,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1161 [2025-01-23 15:14:38,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1174 [2025-01-23 15:14:38,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1189 [2025-01-23 15:14:38,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1195 [2025-01-23 15:14:38,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1201 [2025-01-23 15:14:38,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1207 [2025-01-23 15:14:38,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1213 [2025-01-23 15:14:38,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1219 [2025-01-23 15:14:38,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1225 [2025-01-23 15:14:38,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1231 [2025-01-23 15:14:38,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1237 [2025-01-23 15:14:38,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1243 [2025-01-23 15:14:38,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1249 [2025-01-23 15:14:38,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1255 [2025-01-23 15:14:38,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1261 [2025-01-23 15:14:38,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1267 [2025-01-23 15:14:38,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1273 [2025-01-23 15:14:38,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1279 [2025-01-23 15:14:38,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1285 [2025-01-23 15:14:38,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1291 [2025-01-23 15:14:38,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1297 [2025-01-23 15:14:38,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1303 [2025-01-23 15:14:38,525 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1309 [2025-01-23 15:14:38,525 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1315 [2025-01-23 15:14:38,525 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1321 [2025-01-23 15:14:38,525 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1327 [2025-01-23 15:14:38,525 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1333 [2025-01-23 15:14:38,525 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1339 [2025-01-23 15:14:38,525 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1345 [2025-01-23 15:14:38,525 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1351 [2025-01-23 15:14:38,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1357 [2025-01-23 15:14:38,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1363 [2025-01-23 15:14:38,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1369 [2025-01-23 15:14:38,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1375 [2025-01-23 15:14:38,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1381 [2025-01-23 15:14:38,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1387 [2025-01-23 15:14:38,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1393 [2025-01-23 15:14:38,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1399 [2025-01-23 15:14:38,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1405 [2025-01-23 15:14:38,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 15:14:38,526 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 15:14:38,526 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 15:14:38,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 15:14:38,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1744300080, now seen corresponding path program 2 times [2025-01-23 15:14:38,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 15:14:38,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786384645] [2025-01-23 15:14:38,528 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 15:14:38,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 15:14:38,770 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1411 statements into 2 equivalence classes. [2025-01-23 15:14:39,060 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 1411 of 1411 statements. [2025-01-23 15:14:39,061 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 15:14:39,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:14:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 56839 backedges. 0 proven. 52695 refuted. 0 times theorem prover too weak. 4144 trivial. 0 not checked. [2025-01-23 15:14:53,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 15:14:53,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786384645] [2025-01-23 15:14:53,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786384645] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 15:14:53,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761342007] [2025-01-23 15:14:53,353 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 15:14:53,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 15:14:53,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 15:14:53,355 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 15:14:53,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-23 15:14:54,330 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1411 statements into 2 equivalence classes. [2025-01-23 15:14:55,090 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 1411 of 1411 statements. [2025-01-23 15:14:55,090 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 15:14:55,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 15:14:55,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 7426 conjuncts, 92 conjuncts are in the unsatisfiable core [2025-01-23 15:14:55,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 15:14:56,075 INFO L134 CoverageAnalysis]: Checked inductivity of 56839 backedges. 0 proven. 52695 refuted. 0 times theorem prover too weak. 4144 trivial. 0 not checked. [2025-01-23 15:14:56,076 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 15:15:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 56839 backedges. 0 proven. 52695 refuted. 0 times theorem prover too weak. 4144 trivial. 0 not checked. [2025-01-23 15:15:04,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761342007] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 15:15:04,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 15:15:04,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [93, 93, 93] total 185 [2025-01-23 15:15:04,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890439078] [2025-01-23 15:15:04,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 15:15:04,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2025-01-23 15:15:04,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 15:15:04,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2025-01-23 15:15:04,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2025-01-23 15:15:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 15:15:04,749 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 15:15:04,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 185 states have (on average 12.897297297297298) internal successors, (2386), 185 states have internal predecessors, (2386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-23 15:15:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:15:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:15:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:15:04,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-23 15:15:04,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 15:15:04,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-01-23 15:15:04,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-23 15:15:04,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 15:15:04,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-23 15:15:04,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2025-01-23 15:15:04,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-23 15:15:04,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-01-23 15:15:04,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15