./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.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.3.M4.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 88c381f80ede07771f395015e897371ba8d778e07b9cc24c64e290568f2e97f7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:32:42,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:32:42,848 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:32:42,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:32:42,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:32:42,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:32:42,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:32:42,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:32:42,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:32:42,885 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:32:42,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:32:42,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:32:42,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:32:42,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:32:42,888 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:32:42,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:32:42,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:32:42,889 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:32:42,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:32:42,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:32:42,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:32:42,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:32:42,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:32:42,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:32:42,889 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:32:42,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:32:42,889 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:32:42,890 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:32:42,890 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:32:42,890 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:32:42,890 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:32:42,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:32:42,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:32:42,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:32:42,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:32:42,891 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:32:42,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:32:42,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:32:42,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:32:42,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:32:42,892 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:32:42,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:32:42,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:32:42,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:32:42,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:32:42,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:32:42,892 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:32:42,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:32:42,893 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 -> 88c381f80ede07771f395015e897371ba8d778e07b9cc24c64e290568f2e97f7 [2025-01-09 04:32:43,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:32:43,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:32:43,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:32:43,254 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:32:43,254 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:32:43,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c [2025-01-09 04:32:44,650 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/752498795/27944bf4426c4b39b048e0f74ebc5e50/FLAGa270fcd26 [2025-01-09 04:32:45,151 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:32:45,154 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c [2025-01-09 04:32:45,188 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/752498795/27944bf4426c4b39b048e0f74ebc5e50/FLAGa270fcd26 [2025-01-09 04:32:45,229 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/752498795/27944bf4426c4b39b048e0f74ebc5e50 [2025-01-09 04:32:45,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:32:45,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:32:45,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:32:45,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:32:45,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:32:45,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:32:45" (1/1) ... [2025-01-09 04:32:45,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5421906c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:45, skipping insertion in model container [2025-01-09 04:32:45,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:32:45" (1/1) ... [2025-01-09 04:32:45,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:32:45,509 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.3.M4.c[1806,1819] [2025-01-09 04:32:45,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:32:46,049 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:32:46,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug3.i","-S") [39] [2025-01-09 04:32:46,065 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.3.M4.c[1806,1819] [2025-01-09 04:32:46,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:32:46,465 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:32:46,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46 WrapperNode [2025-01-09 04:32:46,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:32:46,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:32:46,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:32:46,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:32:46,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:46,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:47,084 INFO L138 Inliner]: procedures = 70, calls = 5779, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 12680 [2025-01-09 04:32:47,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:32:47,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:32:47,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:32:47,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:32:47,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:47,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:47,193 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:47,323 INFO L175 MemorySlicer]: Split 4205 memory accesses to 27 slices as follows [8, 2, 2, 379, 455, 113, 113, 186, 203, 186, 203, 186, 203, 186, 203, 186, 203, 186, 203, 186, 8, 203, 186, 203, 4, 7, 2]. 11 percent of accesses are in the largest equivalence class. The 544 initializations are split as follows [0, 0, 2, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 0, 27, 27, 27, 0, 2, 0]. The 577 writes are split as follows [4, 1, 0, 27, 27, 27, 27, 31, 26, 31, 26, 31, 26, 31, 26, 31, 26, 31, 26, 31, 4, 26, 31, 26, 0, 3, 1]. [2025-01-09 04:32:47,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:47,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:47,545 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:47,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:47,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:47,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:47,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:47,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:32:47,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:32:47,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:32:47,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:32:47,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (1/1) ... [2025-01-09 04:32:47,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:32:47,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:32:47,823 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 04:32:47,826 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 04:32:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-01-09 04:32:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-01-09 04:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-01-09 04:32:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-01-09 04:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:32:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 04:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-01-09 04:32:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-01-09 04:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-01-09 04:32:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-01-09 04:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2025-01-09 04:32:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2025-01-09 04:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-01-09 04:32:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-01-09 04:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 04:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 04:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 04:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 04:32:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 04:32:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 04:32:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 04:32:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 04:32:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 04:32:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 04:32:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 04:32:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 04:32:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 04:32:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 04:32:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 04:32:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-01-09 04:32:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2025-01-09 04:32:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-01-09 04:32:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-01-09 04:32:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2025-01-09 04:32:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:32:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:32:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2025-01-09 04:32:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:32:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:32:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2025-01-09 04:32:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 04:32:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 04:32:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 04:32:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 04:32:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-01-09 04:32:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-01-09 04:32:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-01-09 04:32:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-01-09 04:32:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-01-09 04:32:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-01-09 04:32:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-01-09 04:32:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-01-09 04:32:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-01-09 04:32:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-01-09 04:32:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-01-09 04:32:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 04:32:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 04:32:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:32:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-01-09 04:32:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-01-09 04:32:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:32:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:32:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-01-09 04:32:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-01-09 04:32:48,704 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:32:48,707 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:33:00,971 INFO L? ?]: Removed 504 outVars from TransFormulas that were not future-live. [2025-01-09 04:33:00,971 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:33:01,063 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:33:01,063 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 04:33:01,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:33:01 BoogieIcfgContainer [2025-01-09 04:33:01,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:33:01,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:33:01,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:33:01,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:33:01,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:32:45" (1/3) ... [2025-01-09 04:33:01,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23094a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:33:01, skipping insertion in model container [2025-01-09 04:33:01,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:32:46" (2/3) ... [2025-01-09 04:33:01,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23094a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:33:01, skipping insertion in model container [2025-01-09 04:33:01,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:33:01" (3/3) ... [2025-01-09 04:33:01,080 INFO L128 eAbstractionObserver]: Analyzing ICFG rekh_aso.3.M4.c [2025-01-09 04:33:01,096 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:33:01,099 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekh_aso.3.M4.c that has 27 procedures, 3464 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 04:33:01,272 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:33:01,283 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;@20cf8bcf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:33:01,284 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:33:01,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 3464 states, 1925 states have (on average 1.1755844155844155) internal successors, (2263), 2055 states have internal predecessors, (2263), 1511 states have call successors, (1511), 26 states have call predecessors, (1511), 26 states have return successors, (1511), 1411 states have call predecessors, (1511), 1511 states have call successors, (1511) [2025-01-09 04:33:01,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1379 [2025-01-09 04:33:01,397 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:01,399 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, 1, 1] [2025-01-09 04:33:01,399 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:01,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:01,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1336720663, now seen corresponding path program 1 times [2025-01-09 04:33:01,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:01,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958244539] [2025-01-09 04:33:01,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:01,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:03,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1378 statements into 1 equivalence classes. [2025-01-09 04:33:03,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1378 of 1378 statements. [2025-01-09 04:33:03,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:03,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:05,259 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 04:33:05,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:05,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958244539] [2025-01-09 04:33:05,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958244539] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:33:05,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652980584] [2025-01-09 04:33:05,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:05,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:33:05,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:33:05,271 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 04:33:05,273 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 04:33:07,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1378 statements into 1 equivalence classes. [2025-01-09 04:33:08,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1378 of 1378 statements. [2025-01-09 04:33:08,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:08,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:08,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 5917 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 04:33:08,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:33:08,727 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 04:33:08,727 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 04:33:08,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652980584] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:08,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 04:33:08,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 04:33:08,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354089907] [2025-01-09 04:33:08,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:08,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 04:33:08,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:08,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 04:33:08,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 04:33:08,770 INFO L87 Difference]: Start difference. First operand has 3464 states, 1925 states have (on average 1.1755844155844155) internal successors, (2263), 2055 states have internal predecessors, (2263), 1511 states have call successors, (1511), 26 states have call predecessors, (1511), 26 states have return successors, (1511), 1411 states have call predecessors, (1511), 1511 states have call successors, (1511) Second operand has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 2 states have call successors, (214), 2 states have call predecessors, (214), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) [2025-01-09 04:33:09,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:09,181 INFO L93 Difference]: Finished difference Result 6923 states and 12047 transitions. [2025-01-09 04:33:09,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 04:33:09,184 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 2 states have call successors, (214), 2 states have call predecessors, (214), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) Word has length 1378 [2025-01-09 04:33:09,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:09,250 INFO L225 Difference]: With dead ends: 6923 [2025-01-09 04:33:09,250 INFO L226 Difference]: Without dead ends: 3459 [2025-01-09 04:33:09,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1379 GetRequests, 1379 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 04:33:09,314 INFO L435 NwaCegarLoop]: 5283 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, 5283 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 04:33:09,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5283 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:33:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3459 states. [2025-01-09 04:33:10,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3459 to 3459. [2025-01-09 04:33:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3459 states, 1921 states have (on average 1.1749089016137428) internal successors, (2257), 2051 states have internal predecessors, (2257), 1511 states have call successors, (1511), 26 states have call predecessors, (1511), 26 states have return successors, (1510), 1410 states have call predecessors, (1510), 1510 states have call successors, (1510) [2025-01-09 04:33:10,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 3459 states and 5278 transitions. [2025-01-09 04:33:10,864 INFO L78 Accepts]: Start accepts. Automaton has 3459 states and 5278 transitions. Word has length 1378 [2025-01-09 04:33:10,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:10,866 INFO L471 AbstractCegarLoop]: Abstraction has 3459 states and 5278 transitions. [2025-01-09 04:33:10,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 2 states have call successors, (214), 2 states have call predecessors, (214), 1 states have return successors, (212), 1 states have call predecessors, (212), 2 states have call successors, (212) [2025-01-09 04:33:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 3459 states and 5278 transitions. [2025-01-09 04:33:10,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1379 [2025-01-09 04:33:10,953 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:10,954 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, 1, 1] [2025-01-09 04:33:10,998 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 04:33:11,155 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 04:33:11,156 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:11,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:11,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1283733425, now seen corresponding path program 1 times [2025-01-09 04:33:11,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:11,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846678052] [2025-01-09 04:33:11,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:11,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:12,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1378 statements into 1 equivalence classes. [2025-01-09 04:33:13,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1378 of 1378 statements. [2025-01-09 04:33:13,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:13,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:15,033 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 04:33:15,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:15,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846678052] [2025-01-09 04:33:15,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846678052] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:33:15,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61006826] [2025-01-09 04:33:15,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:15,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:33:15,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:33:15,037 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 04:33:15,040 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 04:33:17,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1378 statements into 1 equivalence classes. [2025-01-09 04:33:17,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1378 of 1378 statements. [2025-01-09 04:33:17,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:17,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:17,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 5917 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-09 04:33:18,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 04:33:18,093 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 04:33:18,094 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 04:33:18,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61006826] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:18,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 04:33:18,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 4 [2025-01-09 04:33:18,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301115002] [2025-01-09 04:33:18,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:18,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 04:33:18,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:18,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 04:33:18,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 04:33:18,101 INFO L87 Difference]: Start difference. First operand 3459 states and 5278 transitions. Second operand has 4 states, 4 states have (on average 82.75) internal successors, (331), 4 states have internal predecessors, (331), 2 states have call successors, (214), 2 states have call predecessors, (214), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) [2025-01-09 04:33:26,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:26,979 INFO L93 Difference]: Finished difference Result 6913 states and 10579 transitions. [2025-01-09 04:33:26,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:33:26,983 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.75) internal successors, (331), 4 states have internal predecessors, (331), 2 states have call successors, (214), 2 states have call predecessors, (214), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) Word has length 1378 [2025-01-09 04:33:26,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:27,034 INFO L225 Difference]: With dead ends: 6913 [2025-01-09 04:33:27,034 INFO L226 Difference]: Without dead ends: 3457 [2025-01-09 04:33:27,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1382 GetRequests, 1379 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 04:33:27,076 INFO L435 NwaCegarLoop]: 3910 mSDtfsCounter, 1 mSDsluCounter, 5087 mSDsCounter, 0 mSdLazyCounter, 6822 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8997 SdHoareTripleChecker+Invalid, 6826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:27,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8997 Invalid, 6826 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6822 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2025-01-09 04:33:27,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3457 states. [2025-01-09 04:33:27,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3457 to 3455. [2025-01-09 04:33:27,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3455 states, 1919 states have (on average 1.174048983845753) internal successors, (2253), 2049 states have internal predecessors, (2253), 1509 states have call successors, (1509), 26 states have call predecessors, (1509), 26 states have return successors, (1508), 1408 states have call predecessors, (1508), 1508 states have call successors, (1508) [2025-01-09 04:33:27,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3455 states to 3455 states and 5270 transitions. [2025-01-09 04:33:27,935 INFO L78 Accepts]: Start accepts. Automaton has 3455 states and 5270 transitions. Word has length 1378 [2025-01-09 04:33:27,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:27,943 INFO L471 AbstractCegarLoop]: Abstraction has 3455 states and 5270 transitions. [2025-01-09 04:33:27,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.75) internal successors, (331), 4 states have internal predecessors, (331), 2 states have call successors, (214), 2 states have call predecessors, (214), 3 states have return successors, (212), 2 states have call predecessors, (212), 2 states have call successors, (212) [2025-01-09 04:33:27,943 INFO L276 IsEmpty]: Start isEmpty. Operand 3455 states and 5270 transitions. [2025-01-09 04:33:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1420 [2025-01-09 04:33:27,965 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:27,966 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, 1, 1] [2025-01-09 04:33:27,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 04:33:28,166 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 04:33:28,167 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:28,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:28,168 INFO L85 PathProgramCache]: Analyzing trace with hash -117130614, now seen corresponding path program 1 times [2025-01-09 04:33:28,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:28,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791731069] [2025-01-09 04:33:28,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:28,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:29,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1419 statements into 1 equivalence classes. [2025-01-09 04:33:29,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1419 of 1419 statements. [2025-01-09 04:33:29,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:29,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:31,641 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 04:33:31,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:31,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791731069] [2025-01-09 04:33:31,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791731069] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:31,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:33:31,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 04:33:31,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87796739] [2025-01-09 04:33:31,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:31,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 04:33:31,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:31,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 04:33:31,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 04:33:31,647 INFO L87 Difference]: Start difference. First operand 3455 states and 5270 transitions. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 2 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2025-01-09 04:33:31,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:31,808 INFO L93 Difference]: Finished difference Result 6905 states and 10561 transitions. [2025-01-09 04:33:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 04:33:31,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 2 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) Word has length 1419 [2025-01-09 04:33:31,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:31,860 INFO L225 Difference]: With dead ends: 6905 [2025-01-09 04:33:31,860 INFO L226 Difference]: Without dead ends: 3455 [2025-01-09 04:33:31,886 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 04:33:31,889 INFO L435 NwaCegarLoop]: 5268 mSDtfsCounter, 0 mSDsluCounter, 5258 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10526 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 04:33:31,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10526 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 04:33:31,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2025-01-09 04:33:32,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 3455. [2025-01-09 04:33:32,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3455 states, 1919 states have (on average 1.1735278791036998) internal successors, (2252), 2049 states have internal predecessors, (2252), 1509 states have call successors, (1509), 26 states have call predecessors, (1509), 26 states have return successors, (1508), 1408 states have call predecessors, (1508), 1508 states have call successors, (1508) [2025-01-09 04:33:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3455 states to 3455 states and 5269 transitions. [2025-01-09 04:33:32,764 INFO L78 Accepts]: Start accepts. Automaton has 3455 states and 5269 transitions. Word has length 1419 [2025-01-09 04:33:32,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:32,767 INFO L471 AbstractCegarLoop]: Abstraction has 3455 states and 5269 transitions. [2025-01-09 04:33:32,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 2 states have call successors, (217), 2 states have call predecessors, (217), 2 states have return successors, (215), 2 states have call predecessors, (215), 2 states have call successors, (215) [2025-01-09 04:33:32,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3455 states and 5269 transitions. [2025-01-09 04:33:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1428 [2025-01-09 04:33:32,788 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:32,789 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, 1, 1] [2025-01-09 04:33:32,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 04:33:32,789 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:32,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:32,790 INFO L85 PathProgramCache]: Analyzing trace with hash -310890810, now seen corresponding path program 1 times [2025-01-09 04:33:32,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:32,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821360579] [2025-01-09 04:33:32,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:32,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:34,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1427 statements into 1 equivalence classes. [2025-01-09 04:33:34,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1427 of 1427 statements. [2025-01-09 04:33:34,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:34,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:33:36,755 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 04:33:36,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:33:36,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821360579] [2025-01-09 04:33:36,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821360579] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 04:33:36,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 04:33:36,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-09 04:33:36,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554485906] [2025-01-09 04:33:36,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 04:33:36,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 04:33:36,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 04:33:36,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 04:33:36,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-09 04:33:36,760 INFO L87 Difference]: Start difference. First operand 3455 states and 5269 transitions. Second operand has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 4 states have call successors, (219), 2 states have call predecessors, (219), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) [2025-01-09 04:33:46,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 04:33:46,158 INFO L93 Difference]: Finished difference Result 7942 states and 12122 transitions. [2025-01-09 04:33:46,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-09 04:33:46,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 4 states have call successors, (219), 2 states have call predecessors, (219), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) Word has length 1427 [2025-01-09 04:33:46,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 04:33:46,214 INFO L225 Difference]: With dead ends: 7942 [2025-01-09 04:33:46,214 INFO L226 Difference]: Without dead ends: 4492 [2025-01-09 04:33:46,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-01-09 04:33:46,249 INFO L435 NwaCegarLoop]: 6750 mSDtfsCounter, 9785 mSDsluCounter, 2966 mSDsCounter, 0 mSdLazyCounter, 3934 mSolverCounterSat, 3805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9785 SdHoareTripleChecker+Valid, 9716 SdHoareTripleChecker+Invalid, 7739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3805 IncrementalHoareTripleChecker+Valid, 3934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2025-01-09 04:33:46,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9785 Valid, 9716 Invalid, 7739 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3805 Valid, 3934 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2025-01-09 04:33:46,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4492 states. [2025-01-09 04:33:47,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4492 to 4489. [2025-01-09 04:33:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4489 states, 2574 states have (on average 1.193084693084693) internal successors, (3071), 2704 states have internal predecessors, (3071), 1876 states have call successors, (1876), 39 states have call predecessors, (1876), 38 states have return successors, (1875), 1774 states have call predecessors, (1875), 1875 states have call successors, (1875) [2025-01-09 04:33:47,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 6822 transitions. [2025-01-09 04:33:47,344 INFO L78 Accepts]: Start accepts. Automaton has 4489 states and 6822 transitions. Word has length 1427 [2025-01-09 04:33:47,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 04:33:47,346 INFO L471 AbstractCegarLoop]: Abstraction has 4489 states and 6822 transitions. [2025-01-09 04:33:47,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 4 states have call successors, (219), 2 states have call predecessors, (219), 4 states have return successors, (217), 4 states have call predecessors, (217), 4 states have call successors, (217) [2025-01-09 04:33:47,346 INFO L276 IsEmpty]: Start isEmpty. Operand 4489 states and 6822 transitions. [2025-01-09 04:33:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1424 [2025-01-09 04:33:47,368 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:33:47,369 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] [2025-01-09 04:33:47,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 04:33:47,370 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:33:47,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:33:47,371 INFO L85 PathProgramCache]: Analyzing trace with hash 216699440, now seen corresponding path program 1 times [2025-01-09 04:33:47,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:33:47,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642030651] [2025-01-09 04:33:47,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:33:47,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:33:49,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1423 statements into 1 equivalence classes. [2025-01-09 04:33:49,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1423 of 1423 statements. [2025-01-09 04:33:49,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:33:49,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat