./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc59d2eb5280d2e1e7e9c76bdd35770d97977523b6f11f8f4ccd72ffe423d428 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:32:26,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:32:26,457 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:32:26,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:32:26,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:32:26,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:32:26,484 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:32:26,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:32:26,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:32:26,486 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:32:26,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:32:26,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:32:26,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:32:26,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:32:26,487 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:32:26,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:32:26,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:32:26,488 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:32:26,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:32:26,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:32:26,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:32:26,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:32:26,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:32:26,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:32:26,489 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:32:26,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:32:26,489 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:32:26,489 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:32:26,489 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:32:26,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:32:26,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:32:26,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:32:26,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:32:26,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:32:26,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:32:26,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:32:26,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:32:26,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:32:26,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:32:26,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:32:26,490 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:32:26,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:32:26,490 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:32:26,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:32:26,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:32:26,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:32:26,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:32:26,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:32:26,491 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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 -> Automizer 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 -> dc59d2eb5280d2e1e7e9c76bdd35770d97977523b6f11f8f4ccd72ffe423d428 [2025-01-09 04:32:26,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:32:26,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:32:26,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:32:26,733 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:32:26,734 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:32:26,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c [2025-01-09 04:32:27,865 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/675cdd326/90add636da824b86a8d2fbf1af59cc0d/FLAGea951de84 [2025-01-09 04:32:28,205 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:32:28,210 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c [2025-01-09 04:32:28,230 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/675cdd326/90add636da824b86a8d2fbf1af59cc0d/FLAGea951de84 [2025-01-09 04:32:28,245 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/675cdd326/90add636da824b86a8d2fbf1af59cc0d [2025-01-09 04:32:28,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:32:28,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:32:28,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:32:28,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:32:28,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:32:28,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:32:28" (1/1) ... [2025-01-09 04:32:28,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6feb3a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:28, skipping insertion in model container [2025-01-09 04:32:28,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:32:28" (1/1) ... [2025-01-09 04:32:28,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:32:28,416 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c[1807,1820] [2025-01-09 04:32:28,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:32:28,744 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:32:28,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok2.i","-S") [39] [2025-01-09 04:32:28,753 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c[1807,1820] [2025-01-09 04:32:28,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:32:29,022 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:32:29,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29 WrapperNode [2025-01-09 04:32:29,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:32:29,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:32:29,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:32:29,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:32:29,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,423 INFO L138 Inliner]: procedures = 70, calls = 5728, calls flagged for inlining = 26, calls inlined = 26, statements flattened = 12648 [2025-01-09 04:32:29,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:32:29,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:32:29,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:32:29,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:32:29,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,481 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,614 INFO L175 MemorySlicer]: Split 4157 memory accesses to 27 slices as follows [8, 7, 8, 2, 2, 379, 455, 113, 113, 180, 203, 180, 203, 180, 2, 203, 180, 203, 180, 203, 180, 203, 4, 180, 203, 180, 203]. 11 percent of accesses are in the largest equivalence class. The 544 initializations are split as follows [0, 2, 0, 0, 2, 27, 27, 27, 27, 27, 27, 27, 27, 27, 0, 27, 27, 27, 27, 27, 27, 27, 0, 27, 27, 27, 27]. The 553 writes are split as follows [4, 3, 4, 1, 0, 27, 27, 27, 27, 28, 26, 28, 26, 28, 1, 26, 28, 26, 28, 26, 28, 26, 0, 28, 26, 28, 26]. [2025-01-09 04:32:29,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,827 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:32:29,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:32:29,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:32:29,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:32:29,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (1/1) ... [2025-01-09 04:32:29,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:32:29,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:32:29,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 04:32:29,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 04:32:29,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:32:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2025-01-09 04:32:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2025-01-09 04:32:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-01-09 04:32:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-01-09 04:32:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-01-09 04:32:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-01-09 04:32:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:32:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:32:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 04:32:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-01-09 04:32:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-01-09 04:32:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-01-09 04:32:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-01-09 04:32:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2025-01-09 04:32:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2025-01-09 04:32:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-01-09 04:32:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-01-09 04:32:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 04:32:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 04:32:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 04:32:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 04:32:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 04:32:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 04:32:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 04:32:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 04:32:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 04:32:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 04:32:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 04:32:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 04:32:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 04:32:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 04:32:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 04:32:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 04:32:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 04:32:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 04:32:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 04:32:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 04:32:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 04:32:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-01-09 04:32:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-01-09 04:32:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-01-09 04:32:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-01-09 04:32:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-01-09 04:32:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-01-09 04:32:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-01-09 04:32:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2025-01-09 04:32:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:32:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:32:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:32:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 04:32:30,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-01-09 04:32:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-01-09 04:32:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-01-09 04:32:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-01-09 04:32:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 04:32:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 04:32:30,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-01-09 04:32:30,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-01-09 04:32:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-01-09 04:32:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-01-09 04:32:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-01-09 04:32:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-01-09 04:32:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:32:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:32:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-01-09 04:32:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-01-09 04:32:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-01-09 04:32:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-01-09 04:32:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:32:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:32:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-01-09 04:32:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-01-09 04:32:30,641 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:32:30,643 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:32:41,650 INFO L? ?]: Removed 504 outVars from TransFormulas that were not future-live. [2025-01-09 04:32:41,650 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:32:41,713 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:32:41,713 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 04:32:41,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:32:41 BoogieIcfgContainer [2025-01-09 04:32:41,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:32:41,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:32:41,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:32:41,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:32:41,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:32:28" (1/3) ... [2025-01-09 04:32:41,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2739efd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:32:41, skipping insertion in model container [2025-01-09 04:32:41,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:29" (2/3) ... [2025-01-09 04:32:41,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2739efd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:32:41, skipping insertion in model container [2025-01-09 04:32:41,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:32:41" (3/3) ... [2025-01-09 04:32:41,722 INFO L128 eAbstractionObserver]: Analyzing ICFG rekh_aso.2.M1-1.c [2025-01-09 04:32:41,734 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:32:41,737 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekh_aso.2.M1-1.c that has 25 procedures, 3448 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 04:32:41,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:32:41,874 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=PETRI_NET, 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;@6160ab1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:32:41,876 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:32:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 3448 states, 1916 states have (on average 1.1758872651356993) internal successors, (2253), 2046 states have internal predecessors, (2253), 1506 states have call successors, (1506), 24 states have call predecessors, (1506), 24 states have return successors, (1506), 1406 states have call predecessors, (1506), 1506 states have call successors, (1506) [2025-01-09 04:32:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2025-01-09 04:32:41,957 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:32:41,958 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:32:41,959 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:32:41,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:32:41,963 INFO L85 PathProgramCache]: Analyzing trace with hash 28016337, now seen corresponding path program 1 times [2025-01-09 04:32:41,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:32:41,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519275140] [2025-01-09 04:32:41,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:32:41,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:32:43,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1376 statements into 1 equivalence classes. [2025-01-09 04:32:43,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1376 of 1376 statements. [2025-01-09 04:32:43,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:32:43,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:32:44,778 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 87362 trivial. 0 not checked. [2025-01-09 04:32:44,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:32:44,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519275140] [2025-01-09 04:32:44,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519275140] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:32:44,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760980100] [2025-01-09 04:32:44,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:32:44,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:32:44,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:32:44,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 04:32:44,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 04:32:47,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1376 statements into 1 equivalence classes. [2025-01-09 04:32:47,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1376 of 1376 statements. [2025-01-09 04:32:47,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:32:47,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:32:47,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 5794 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 04:32:47,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:32:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 87362 trivial. 0 not checked. [2025-01-09 04:32:47,776 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 04:32:47,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760980100] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:32:47,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 04:32:47,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 04:32:47,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739258283] [2025-01-09 04:32:47,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:32:47,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 04:32:47,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:32:47,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 04:32:47,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 04:32:47,820 INFO L87 Difference]: Start difference. First operand has 3448 states, 1916 states have (on average 1.1758872651356993) internal successors, (2253), 2046 states have internal predecessors, (2253), 1506 states have call successors, (1506), 24 states have call predecessors, (1506), 24 states have return successors, (1506), 1406 states have call predecessors, (1506), 1506 states have call successors, (1506) Second operand has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) [2025-01-09 04:32:48,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:32:48,071 INFO L93 Difference]: Finished difference Result 6891 states and 12002 transitions. [2025-01-09 04:32:48,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 04:32:48,074 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) Word has length 1376 [2025-01-09 04:32:48,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:32:48,124 INFO L225 Difference]: With dead ends: 6891 [2025-01-09 04:32:48,124 INFO L226 Difference]: Without dead ends: 3443 [2025-01-09 04:32:48,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1377 GetRequests, 1377 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 04:32:48,163 INFO L435 NwaCegarLoop]: 5263 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5263 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:32:48,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5263 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:32:48,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2025-01-09 04:32:49,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 3443. [2025-01-09 04:32:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3443 states, 1912 states have (on average 1.1752092050209204) internal successors, (2247), 2042 states have internal predecessors, (2247), 1506 states have call successors, (1506), 24 states have call predecessors, (1506), 24 states have return successors, (1505), 1405 states have call predecessors, (1505), 1505 states have call successors, (1505) [2025-01-09 04:32:49,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 3443 states and 5258 transitions. [2025-01-09 04:32:49,200 INFO L78 Accepts]: Start accepts. Automaton has 3443 states and 5258 transitions. Word has length 1376 [2025-01-09 04:32:49,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:32:49,201 INFO L471 AbstractCegarLoop]: Abstraction has 3443 states and 5258 transitions. [2025-01-09 04:32:49,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 2 states have call successors, (213), 2 states have call predecessors, (213), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) [2025-01-09 04:32:49,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3443 states and 5258 transitions. [2025-01-09 04:32:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2025-01-09 04:32:49,263 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:32:49,264 INFO L218 NwaCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:32:49,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 04:32:49,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 04:32:49,465 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:32:49,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:32:49,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1702529545, now seen corresponding path program 1 times [2025-01-09 04:32:49,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:32:49,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486887423] [2025-01-09 04:32:49,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:32:49,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:32:50,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1376 statements into 1 equivalence classes. [2025-01-09 04:32:51,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1376 of 1376 statements. [2025-01-09 04:32:51,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:32:51,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:32:53,162 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 624 proven. 3 refuted. 0 times theorem prover too weak. 87153 trivial. 0 not checked. [2025-01-09 04:32:53,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:32:53,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486887423] [2025-01-09 04:32:53,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486887423] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:32:53,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793714101] [2025-01-09 04:32:53,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:32:53,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:32:53,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:32:53,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 04:32:53,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 04:32:55,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1376 statements into 1 equivalence classes. [2025-01-09 04:32:56,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1376 of 1376 statements. [2025-01-09 04:32:56,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:32:56,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:32:56,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 5794 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 04:32:56,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:32:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 87780 backedges. 1460 proven. 0 refuted. 0 times theorem prover too weak. 86320 trivial. 0 not checked. [2025-01-09 04:32:56,225 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 04:32:56,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793714101] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:32:56,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 04:32:56,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2025-01-09 04:32:56,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439216272] [2025-01-09 04:32:56,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:32:56,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 04:32:56,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:32:56,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 04:32:56,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 04:32:56,231 INFO L87 Difference]: Start difference. First operand 3443 states and 5258 transitions. Second operand has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 2 states have call successors, (213), 2 states have call predecessors, (213), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) [2025-01-09 04:33:03,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:03,192 INFO L93 Difference]: Finished difference Result 6174 states and 9457 transitions. [2025-01-09 04:33:03,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:33:03,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 2 states have call successors, (213), 2 states have call predecessors, (213), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) Word has length 1376 [2025-01-09 04:33:03,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:03,217 INFO L225 Difference]: With dead ends: 6174 [2025-01-09 04:33:03,218 INFO L226 Difference]: Without dead ends: 3441 [2025-01-09 04:33:03,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1380 GetRequests, 1377 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:33:03,226 INFO L435 NwaCegarLoop]: 3888 mSDtfsCounter, 1 mSDsluCounter, 5039 mSDsCounter, 0 mSdLazyCounter, 6832 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8927 SdHoareTripleChecker+Invalid, 6836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:03,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8927 Invalid, 6836 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6832 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2025-01-09 04:33:03,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2025-01-09 04:33:03,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3439. [2025-01-09 04:33:03,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3439 states, 1910 states have (on average 1.1743455497382198) internal successors, (2243), 2040 states have internal predecessors, (2243), 1504 states have call successors, (1504), 24 states have call predecessors, (1504), 24 states have return successors, (1503), 1403 states have call predecessors, (1503), 1503 states have call successors, (1503) [2025-01-09 04:33:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 3439 states and 5250 transitions. [2025-01-09 04:33:03,909 INFO L78 Accepts]: Start accepts. Automaton has 3439 states and 5250 transitions. Word has length 1376 [2025-01-09 04:33:03,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:03,912 INFO L471 AbstractCegarLoop]: Abstraction has 3439 states and 5250 transitions. [2025-01-09 04:33:03,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.5) internal successors, (330), 4 states have internal predecessors, (330), 2 states have call successors, (213), 2 states have call predecessors, (213), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) [2025-01-09 04:33:03,912 INFO L276 IsEmpty]: Start isEmpty. Operand 3439 states and 5250 transitions. [2025-01-09 04:33:03,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1418 [2025-01-09 04:33:03,926 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:03,927 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:33:03,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-09 04:33:04,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:33:04,131 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:04,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:04,132 INFO L85 PathProgramCache]: Analyzing trace with hash 622271488, now seen corresponding path program 1 times [2025-01-09 04:33:04,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:04,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249114223] [2025-01-09 04:33:04,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:04,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:05,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1417 statements into 1 equivalence classes. [2025-01-09 04:33:05,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1417 of 1417 statements. [2025-01-09 04:33:05,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:05,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 86949 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86949 trivial. 0 not checked. [2025-01-09 04:33:06,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:06,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249114223] [2025-01-09 04:33:06,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249114223] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:06,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:33:06,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:33:06,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722150731] [2025-01-09 04:33:06,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:06,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:33:06,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:06,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:33:06,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:33:06,439 INFO L87 Difference]: Start difference. First operand 3439 states and 5250 transitions. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 2 states have call successors, (216), 2 states have call predecessors, (216), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2025-01-09 04:33:06,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:06,526 INFO L93 Difference]: Finished difference Result 6166 states and 9439 transitions. [2025-01-09 04:33:06,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:33:06,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 2 states have call successors, (216), 2 states have call predecessors, (216), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) Word has length 1417 [2025-01-09 04:33:06,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:06,560 INFO L225 Difference]: With dead ends: 6166 [2025-01-09 04:33:06,560 INFO L226 Difference]: Without dead ends: 3439 [2025-01-09 04:33:06,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:33:06,576 INFO L435 NwaCegarLoop]: 5248 mSDtfsCounter, 0 mSDsluCounter, 5238 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10486 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:06,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10486 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:33:06,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3439 states. [2025-01-09 04:33:07,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3439 to 3439. [2025-01-09 04:33:07,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3439 states, 1910 states have (on average 1.1738219895287958) internal successors, (2242), 2040 states have internal predecessors, (2242), 1504 states have call successors, (1504), 24 states have call predecessors, (1504), 24 states have return successors, (1503), 1403 states have call predecessors, (1503), 1503 states have call successors, (1503) [2025-01-09 04:33:07,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 3439 states and 5249 transitions. [2025-01-09 04:33:07,441 INFO L78 Accepts]: Start accepts. Automaton has 3439 states and 5249 transitions. Word has length 1417 [2025-01-09 04:33:07,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:07,446 INFO L471 AbstractCegarLoop]: Abstraction has 3439 states and 5249 transitions. [2025-01-09 04:33:07,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 2 states have call successors, (216), 2 states have call predecessors, (216), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2025-01-09 04:33:07,447 INFO L276 IsEmpty]: Start isEmpty. Operand 3439 states and 5249 transitions. [2025-01-09 04:33:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1426 [2025-01-09 04:33:07,462 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:07,463 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:33:07,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:33:07,463 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:07,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:07,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1325369668, now seen corresponding path program 1 times [2025-01-09 04:33:07,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:07,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040379706] [2025-01-09 04:33:07,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:07,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:08,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1425 statements into 1 equivalence classes. [2025-01-09 04:33:09,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1425 of 1425 statements. [2025-01-09 04:33:09,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:09,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 86952 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 86948 trivial. 0 not checked. [2025-01-09 04:33:10,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:10,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040379706] [2025-01-09 04:33:10,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040379706] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:10,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:33:10,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:33:10,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802889918] [2025-01-09 04:33:10,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:10,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:33:10,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:10,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:33:10,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:33:10,476 INFO L87 Difference]: Start difference. First operand 3439 states and 5249 transitions. Second operand has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 6 states have internal predecessors, (364), 4 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) [2025-01-09 04:33:17,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:17,837 INFO L93 Difference]: Finished difference Result 6469 states and 9884 transitions. [2025-01-09 04:33:17,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:33:17,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 6 states have internal predecessors, (364), 4 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) Word has length 1425 [2025-01-09 04:33:17,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:17,865 INFO L225 Difference]: With dead ends: 6469 [2025-01-09 04:33:17,865 INFO L226 Difference]: Without dead ends: 3742 [2025-01-09 04:33:17,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-01-09 04:33:17,880 INFO L435 NwaCegarLoop]: 5620 mSDtfsCounter, 6695 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 4495 mSolverCounterSat, 1187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6695 SdHoareTripleChecker+Valid, 9105 SdHoareTripleChecker+Invalid, 5682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1187 IncrementalHoareTripleChecker+Valid, 4495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:17,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6695 Valid, 9105 Invalid, 5682 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1187 Valid, 4495 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2025-01-09 04:33:17,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2025-01-09 04:33:18,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742. [2025-01-09 04:33:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 2132 states have (on average 1.1913696060037524) internal successors, (2540), 2262 states have internal predecessors, (2540), 1575 states have call successors, (1575), 34 states have call predecessors, (1575), 34 states have return successors, (1574), 1474 states have call predecessors, (1574), 1574 states have call successors, (1574) [2025-01-09 04:33:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 5689 transitions. [2025-01-09 04:33:18,746 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 5689 transitions. Word has length 1425 [2025-01-09 04:33:18,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:18,749 INFO L471 AbstractCegarLoop]: Abstraction has 3742 states and 5689 transitions. [2025-01-09 04:33:18,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 6 states have internal predecessors, (364), 4 states have call successors, (218), 2 states have call predecessors, (218), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) [2025-01-09 04:33:18,750 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 5689 transitions. [2025-01-09 04:33:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1422 [2025-01-09 04:33:18,767 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:18,767 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:33:18,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 04:33:18,768 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:18,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:18,769 INFO L85 PathProgramCache]: Analyzing trace with hash -372772570, now seen corresponding path program 1 times [2025-01-09 04:33:18,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:18,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803680464] [2025-01-09 04:33:18,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:18,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:20,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1421 statements into 1 equivalence classes. [2025-01-09 04:33:20,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1421 of 1421 statements. [2025-01-09 04:33:20,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:20,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86954 trivial. 0 not checked. [2025-01-09 04:33:23,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:23,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803680464] [2025-01-09 04:33:23,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803680464] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:23,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:33:23,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 04:33:23,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077058435] [2025-01-09 04:33:23,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:23,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:33:23,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:23,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:33:23,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 04:33:23,528 INFO L87 Difference]: Start difference. First operand 3742 states and 5689 transitions. Second operand has 5 states, 4 states have (on average 89.0) internal successors, (356), 5 states have internal predecessors, (356), 4 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (216), 3 states have call predecessors, (216), 4 states have call successors, (216) [2025-01-09 04:33:28,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:28,281 INFO L93 Difference]: Finished difference Result 7036 states and 10704 transitions. [2025-01-09 04:33:28,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:33:28,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 89.0) internal successors, (356), 5 states have internal predecessors, (356), 4 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (216), 3 states have call predecessors, (216), 4 states have call successors, (216) Word has length 1421 [2025-01-09 04:33:28,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:28,305 INFO L225 Difference]: With dead ends: 7036 [2025-01-09 04:33:28,306 INFO L226 Difference]: Without dead ends: 4006 [2025-01-09 04:33:28,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:33:28,315 INFO L435 NwaCegarLoop]: 5614 mSDtfsCounter, 7041 mSDsluCounter, 2436 mSDsCounter, 0 mSdLazyCounter, 3318 mSolverCounterSat, 1682 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7041 SdHoareTripleChecker+Valid, 8050 SdHoareTripleChecker+Invalid, 5000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1682 IncrementalHoareTripleChecker+Valid, 3318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:28,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7041 Valid, 8050 Invalid, 5000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1682 Valid, 3318 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2025-01-09 04:33:28,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4006 states. [2025-01-09 04:33:29,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4006 to 4006. [2025-01-09 04:33:29,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4006 states, 2327 states have (on average 1.2036957455951869) internal successors, (2801), 2457 states have internal predecessors, (2801), 1637 states have call successors, (1637), 41 states have call predecessors, (1637), 41 states have return successors, (1636), 1536 states have call predecessors, (1636), 1636 states have call successors, (1636) [2025-01-09 04:33:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4006 states to 4006 states and 6074 transitions. [2025-01-09 04:33:29,110 INFO L78 Accepts]: Start accepts. Automaton has 4006 states and 6074 transitions. Word has length 1421 [2025-01-09 04:33:29,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:29,116 INFO L471 AbstractCegarLoop]: Abstraction has 4006 states and 6074 transitions. [2025-01-09 04:33:29,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 89.0) internal successors, (356), 5 states have internal predecessors, (356), 4 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (216), 3 states have call predecessors, (216), 4 states have call successors, (216) [2025-01-09 04:33:29,116 INFO L276 IsEmpty]: Start isEmpty. Operand 4006 states and 6074 transitions. [2025-01-09 04:33:29,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1426 [2025-01-09 04:33:29,144 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:29,145 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:33:29,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 04:33:29,145 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:29,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:29,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1780466756, now seen corresponding path program 1 times [2025-01-09 04:33:29,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:29,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314551045] [2025-01-09 04:33:29,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:29,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:30,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1425 statements into 1 equivalence classes. [2025-01-09 04:33:31,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1425 of 1425 statements. [2025-01-09 04:33:31,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:31,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:32,478 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 86948 trivial. 0 not checked. [2025-01-09 04:33:32,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:32,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314551045] [2025-01-09 04:33:32,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314551045] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:33:32,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546771765] [2025-01-09 04:33:32,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:32,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:33:32,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:33:32,481 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 04:33:32,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 04:33:34,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1425 statements into 1 equivalence classes. [2025-01-09 04:33:35,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1425 of 1425 statements. [2025-01-09 04:33:35,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:35,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:35,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 5971 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-09 04:33:35,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:33:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 834 proven. 0 refuted. 0 times theorem prover too weak. 86120 trivial. 0 not checked. [2025-01-09 04:33:35,612 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 04:33:35,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546771765] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:35,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 04:33:35,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2025-01-09 04:33:35,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33915568] [2025-01-09 04:33:35,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:35,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:33:35,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:35,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:33:35,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-09 04:33:35,615 INFO L87 Difference]: Start difference. First operand 4006 states and 6074 transitions. Second operand has 5 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2025-01-09 04:33:38,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:38,497 INFO L93 Difference]: Finished difference Result 7552 states and 11455 transitions. [2025-01-09 04:33:38,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:33:38,498 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) Word has length 1425 [2025-01-09 04:33:38,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:38,522 INFO L225 Difference]: With dead ends: 7552 [2025-01-09 04:33:38,522 INFO L226 Difference]: Without dead ends: 4002 [2025-01-09 04:33:38,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1430 GetRequests, 1424 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-09 04:33:38,534 INFO L435 NwaCegarLoop]: 5498 mSDtfsCounter, 2221 mSDsluCounter, 8694 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 14192 SdHoareTripleChecker+Invalid, 2546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:38,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2221 Valid, 14192 Invalid, 2546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2025-01-09 04:33:38,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4002 states. [2025-01-09 04:33:39,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4002 to 4002. [2025-01-09 04:33:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4002 states, 2325 states have (on average 1.2030107526881721) internal successors, (2797), 2455 states have internal predecessors, (2797), 1635 states have call successors, (1635), 41 states have call predecessors, (1635), 41 states have return successors, (1634), 1534 states have call predecessors, (1634), 1634 states have call successors, (1634) [2025-01-09 04:33:39,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4002 states to 4002 states and 6066 transitions. [2025-01-09 04:33:39,179 INFO L78 Accepts]: Start accepts. Automaton has 4002 states and 6066 transitions. Word has length 1425 [2025-01-09 04:33:39,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:39,181 INFO L471 AbstractCegarLoop]: Abstraction has 4002 states and 6066 transitions. [2025-01-09 04:33:39,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 72.6) internal successors, (363), 5 states have internal predecessors, (363), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217) [2025-01-09 04:33:39,182 INFO L276 IsEmpty]: Start isEmpty. Operand 4002 states and 6066 transitions. [2025-01-09 04:33:39,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1427 [2025-01-09 04:33:39,195 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:39,196 INFO L218 NwaCegarLoop]: trace histogram [209, 209, 209, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 04:33:39,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 04:33:39,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:33:39,400 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:39,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:39,401 INFO L85 PathProgramCache]: Analyzing trace with hash 224716177, now seen corresponding path program 1 times [2025-01-09 04:33:39,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:39,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449930038] [2025-01-09 04:33:39,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:39,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:40,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1426 statements into 1 equivalence classes. [2025-01-09 04:33:40,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1426 of 1426 statements. [2025-01-09 04:33:40,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:40,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:41,909 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 86950 trivial. 0 not checked. [2025-01-09 04:33:41,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:41,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449930038] [2025-01-09 04:33:41,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449930038] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:33:41,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663626210] [2025-01-09 04:33:41,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:41,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:33:41,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:33:41,912 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 04:33:41,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 04:33:44,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1426 statements into 1 equivalence classes. [2025-01-09 04:33:44,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1426 of 1426 statements. [2025-01-09 04:33:44,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:44,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:44,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 5971 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 04:33:44,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:33:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 86954 backedges. 836 proven. 0 refuted. 0 times theorem prover too weak. 86118 trivial. 0 not checked. [2025-01-09 04:33:44,679 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 04:33:44,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663626210] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:44,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 04:33:44,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2025-01-09 04:33:44,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297521683] [2025-01-09 04:33:44,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:44,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-09 04:33:44,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:44,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-09 04:33:44,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-09 04:33:44,683 INFO L87 Difference]: Start difference. First operand 4002 states and 6066 transitions. Second operand has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 3 states have call successors, (218), 3 states have call predecessors, (218), 3 states have return successors, (217), 3 states have call predecessors, (217), 3 states have call successors, (217)