./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.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/rekcba_aso.2.M4-2.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 13ab100f899a57e5eca7e0526610c7b743f980d5e72b80cc180b4d884d35b9a9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:29:33,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:29:33,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:29:33,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:29:33,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:29:33,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:29:33,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:29:33,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:29:33,493 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:29:33,493 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:29:33,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:29:33,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:29:33,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:29:33,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:29:33,494 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:29:33,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:33,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:33,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:29:33,495 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:29:33,495 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 -> 13ab100f899a57e5eca7e0526610c7b743f980d5e72b80cc180b4d884d35b9a9 [2025-01-09 04:29:33,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:29:33,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:29:33,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:29:33,731 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:29:33,732 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:29:33,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c [2025-01-09 04:29:34,838 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/89a58ab80/b8cfe32bc851404ea6f18dfa5fdf513e/FLAG7411f431f [2025-01-09 04:29:35,418 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:29:35,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c [2025-01-09 04:29:35,457 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/89a58ab80/b8cfe32bc851404ea6f18dfa5fdf513e/FLAG7411f431f [2025-01-09 04:29:35,913 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/89a58ab80/b8cfe32bc851404ea6f18dfa5fdf513e [2025-01-09 04:29:35,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:29:35,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:29:35,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:29:35,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:29:35,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:29:35,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:29:35" (1/1) ... [2025-01-09 04:29:35,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404fd5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:35, skipping insertion in model container [2025-01-09 04:29:35,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:29:35" (1/1) ... [2025-01-09 04:29:36,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:29:36,255 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/rekcba_aso.2.M4-2.c[2320,2333] [2025-01-09 04:29:37,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:29:37,285 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:29:37,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok2.i","-S") [48] [2025-01-09 04:29:37,300 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/rekcba_aso.2.M4-2.c[2320,2333] [2025-01-09 04:29:38,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:29:38,075 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:29:38,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38 WrapperNode [2025-01-09 04:29:38,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:29:38,077 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:29:38,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:29:38,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:29:38,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:38,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:40,193 INFO L138 Inliner]: procedures = 73, calls = 23336, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 48993 [2025-01-09 04:29:40,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:29:40,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:29:40,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:29:40,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:29:40,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:40,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:40,597 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:40,876 INFO L175 MemorySlicer]: Split 18581 memory accesses to 32 slices as follows [4, 8, 2, 2, 194, 17, 9, 2784, 3584, 2352, 1664, 1060, 852, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429, 2, 325, 429, 325, 429, 7, 325, 429, 8]. 19 percent of accesses are in the largest equivalence class. The 1960 initializations are split as follows [0, 0, 0, 2, 0, 8, 4, 96, 96, 8, 8, 4, 4, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 0, 108, 108, 108, 108, 2, 108, 108, 0]. The 2057 writes are split as follows [0, 4, 1, 0, 98, 1, 1, 96, 96, 8, 8, 4, 4, 109, 107, 109, 107, 109, 107, 109, 107, 109, 107, 1, 109, 107, 109, 107, 3, 109, 107, 4]. [2025-01-09 04:29:40,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:40,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:41,517 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:41,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:41,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:41,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:41,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:42,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:29:42,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:29:42,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:29:42,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:29:42,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (1/1) ... [2025-01-09 04:29:42,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:42,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:29:42,128 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 04:29:42,130 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 04:29:42,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:29:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2025-01-09 04:29:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2025-01-09 04:29:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-01-09 04:29:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-01-09 04:29:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-01-09 04:29:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-01-09 04:29:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:29:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:29:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 04:29:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 04:29:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 04:29:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 04:29:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 04:29:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 04:29:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 04:29:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 04:29:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 04:29:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 04:29:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 04:29:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 04:29:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 04:29:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 04:29:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 04:29:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 04:29:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 04:29:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 04:29:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 04:29:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 04:29:42,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-01-09 04:29:42,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-01-09 04:29:42,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2025-01-09 04:29:42,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-01-09 04:29:42,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 04:29:42,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-01-09 04:29:42,154 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-01-09 04:29:42,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-01-09 04:29:42,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-01-09 04:29:42,154 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2025-01-09 04:29:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2025-01-09 04:29:42,155 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:29:42,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:29:42,157 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:29:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:29:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:29:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:29:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2025-01-09 04:29:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-01-09 04:29:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-01-09 04:29:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-01-09 04:29:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-01-09 04:29:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 04:29:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-01-09 04:29:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-01-09 04:29:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-01-09 04:29:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-01-09 04:29:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-01-09 04:29:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-01-09 04:29:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-01-09 04:29:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-01-09 04:29:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-01-09 04:29:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2025-01-09 04:29:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2025-01-09 04:29:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:29:42,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:29:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-01-09 04:29:42,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-01-09 04:29:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-01-09 04:29:42,164 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-01-09 04:29:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:29:42,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:29:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-01-09 04:29:42,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-01-09 04:29:43,765 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:29:43,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:30:13,834 INFO L? ?]: Removed 429 outVars from TransFormulas that were not future-live. [2025-01-09 04:30:13,835 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:30:13,952 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:30:13,952 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 04:30:13,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:30:13 BoogieIcfgContainer [2025-01-09 04:30:13,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:30:13,954 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:30:13,954 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:30:13,957 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:30:13,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:29:35" (1/3) ... [2025-01-09 04:30:13,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752dbc8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:30:13, skipping insertion in model container [2025-01-09 04:30:13,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:38" (2/3) ... [2025-01-09 04:30:13,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752dbc8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:30:13, skipping insertion in model container [2025-01-09 04:30:13,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:30:13" (3/3) ... [2025-01-09 04:30:13,960 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M4-2.c [2025-01-09 04:30:13,970 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:30:13,973 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.2.M4-2.c that has 25 procedures, 13236 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 04:30:14,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:30:14,208 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;@1bb04a07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:30:14,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:30:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 13236 states, 8526 states have (on average 1.3010790523105793) internal successors, (11093), 8640 states have internal predecessors, (11093), 4684 states have call successors, (4684), 24 states have call predecessors, (4684), 24 states have return successors, (4684), 4681 states have call predecessors, (4684), 4684 states have call successors, (4684) [2025-01-09 04:30:14,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8469 [2025-01-09 04:30:14,851 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:30:14,855 INFO L218 NwaCegarLoop]: trace histogram [979, 979, 979, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:30:14,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1585551677, now seen corresponding path program 1 times [2025-01-09 04:30:14,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:30:14,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253089270] [2025-01-09 04:30:14,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:14,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms