./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.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.1.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 64d7e25d2b411aa83621d9b12af66c6bbf36b903d9ea3c8a9dc9ced9d60fa3c1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 04:29:18,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 04:29:18,111 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 04:29:18,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 04:29:18,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 04:29:18,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 04:29:18,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 04:29:18,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 04:29:18,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 04:29:18,131 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 04:29:18,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 04:29:18,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 04:29:18,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 04:29:18,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 04:29:18,132 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 04:29:18,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 04:29:18,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 04:29:18,132 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 04:29:18,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 04:29:18,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 04:29:18,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 04:29:18,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 04:29:18,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 04:29:18,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 04:29:18,133 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 04:29:18,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 04:29:18,133 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 04:29:18,133 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 04:29:18,133 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 04:29:18,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:29:18,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:29:18,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:29:18,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:18,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 04:29:18,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 04:29:18,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 04:29:18,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 04:29:18,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:18,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 04:29:18,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 04:29:18,134 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 04:29:18,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 04:29:18,135 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 04:29:18,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 04:29:18,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 04:29:18,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 04:29:18,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 04:29:18,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 04:29:18,135 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 -> 64d7e25d2b411aa83621d9b12af66c6bbf36b903d9ea3c8a9dc9ced9d60fa3c1 [2025-01-09 04:29:18,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 04:29:18,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 04:29:18,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 04:29:18,322 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 04:29:18,322 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 04:29:18,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c [2025-01-09 04:29:19,487 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/908304039/86cbd44524534fa1a9faa4d40f85cea9/FLAGfe886ba7c [2025-01-09 04:29:20,078 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 04:29:20,079 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c [2025-01-09 04:29:20,127 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/908304039/86cbd44524534fa1a9faa4d40f85cea9/FLAGfe886ba7c [2025-01-09 04:29:20,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/908304039/86cbd44524534fa1a9faa4d40f85cea9 [2025-01-09 04:29:20,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 04:29:20,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 04:29:20,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 04:29:20,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 04:29:20,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 04:29:20,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:29:20" (1/1) ... [2025-01-09 04:29:20,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f809624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:20, skipping insertion in model container [2025-01-09 04:29:20,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:29:20" (1/1) ... [2025-01-09 04:29:20,669 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 04:29:20,904 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.1.M4-2.c[2232,2245] [2025-01-09 04:29:22,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:29:22,087 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 04:29:22,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug1.i","-S") [52] [2025-01-09 04:29:22,105 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.1.M4-2.c[2232,2245] [2025-01-09 04:29:22,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 04:29:23,008 INFO L204 MainTranslator]: Completed translation [2025-01-09 04:29:23,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23 WrapperNode [2025-01-09 04:29:23,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 04:29:23,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 04:29:23,012 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 04:29:23,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 04:29:23,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:23,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:24,981 INFO L138 Inliner]: procedures = 61, calls = 20397, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 43678 [2025-01-09 04:29:24,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 04:29:24,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 04:29:24,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 04:29:24,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 04:29:24,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:24,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:25,366 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:25,548 INFO L175 MemorySlicer]: Split 15933 memory accesses to 24 slices as follows [2, 4, 194, 2, 17, 8, 7, 9, 2784, 3760, 2408, 1672, 1188, 852, 325, 429, 325, 2, 429, 325, 429, 325, 429, 8]. 24 percent of accesses are in the largest equivalence class. The 1096 initializations are split as follows [2, 0, 0, 0, 8, 0, 2, 4, 96, 96, 8, 8, 4, 4, 108, 108, 108, 0, 108, 108, 108, 108, 108, 0]. The 1193 writes are split as follows [0, 0, 98, 1, 1, 4, 3, 1, 96, 96, 8, 8, 4, 4, 109, 107, 109, 1, 107, 109, 107, 109, 107, 4]. [2025-01-09 04:29:25,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:25,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:26,293 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:26,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:26,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:26,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:26,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:26,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 04:29:26,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 04:29:26,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 04:29:26,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 04:29:26,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (1/1) ... [2025-01-09 04:29:26,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 04:29:26,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:29:26,835 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 04:29:26,945 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 04:29:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 04:29:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-01-09 04:29:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-01-09 04:29:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-01-09 04:29:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-01-09 04:29:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:29:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-01-09 04:29:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 04:29:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 04:29:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 04:29:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 04:29:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 04:29:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-01-09 04:29:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-01-09 04:29:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-01-09 04:29:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-01-09 04:29:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-01-09 04:29:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-01-09 04:29:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-01-09 04:29:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:29:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:29:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:29:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-01-09 04:29:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 04:29:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 04:29:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 04:29:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 04:29:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 04:29:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 04:29:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 04:29:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 04:29:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 04:29:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 04:29:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-01-09 04:29:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-01-09 04:29:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-01-09 04:29:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-01-09 04:29:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-01-09 04:29:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-01-09 04:29:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-01-09 04:29:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-01-09 04:29:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-01-09 04:29:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-01-09 04:29:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-01-09 04:29:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 04:29:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 04:29:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 04:29:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 04:29:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 04:29:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 04:29:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 04:29:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 04:29:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 04:29:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 04:29:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 04:29:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 04:29:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 04:29:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 04:29:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 04:29:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 04:29:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 04:29:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 04:29:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 04:29:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 04:29:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 04:29:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 04:29:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 04:29:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-01-09 04:29:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-01-09 04:29:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-01-09 04:29:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 04:29:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 04:29:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-01-09 04:29:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-01-09 04:29:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-01-09 04:29:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-01-09 04:29:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:29:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-01-09 04:29:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-01-09 04:29:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-01-09 04:29:28,583 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 04:29:28,585 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 04:29:54,181 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2025-01-09 04:29:54,181 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 04:29:54,345 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 04:29:54,346 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 04:29:54,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:29:54 BoogieIcfgContainer [2025-01-09 04:29:54,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 04:29:54,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 04:29:54,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 04:29:54,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 04:29:54,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:29:20" (1/3) ... [2025-01-09 04:29:54,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cfe4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:29:54, skipping insertion in model container [2025-01-09 04:29:54,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:29:23" (2/3) ... [2025-01-09 04:29:54,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cfe4c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:29:54, skipping insertion in model container [2025-01-09 04:29:54,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:29:54" (3/3) ... [2025-01-09 04:29:54,354 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-2.c [2025-01-09 04:29:54,364 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 04:29:54,367 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.1.M4-2.c that has 22 procedures, 12637 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 04:29:54,616 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 04:29:54,627 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;@59211682, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 04:29:54,627 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 04:29:54,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 12637 states, 8206 states have (on average 1.309773336582988) internal successors, (10748), 8320 states have internal predecessors, (10748), 4408 states have call successors, (4408), 21 states have call predecessors, (4408), 21 states have return successors, (4408), 4405 states have call predecessors, (4408), 4408 states have call successors, (4408) [2025-01-09 04:29:55,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2025-01-09 04:29:55,146 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 04:29:55,150 INFO L218 NwaCegarLoop]: trace histogram [551, 551, 551, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 04:29:55,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 04:29:55,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1941441797, now seen corresponding path program 1 times [2025-01-09 04:29:55,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 04:29:55,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155272405] [2025-01-09 04:29:55,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:29:55,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 04:30:19,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5900 statements into 1 equivalence classes. [2025-01-09 04:30:19,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5900 of 5900 statements. [2025-01-09 04:30:19,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 04:30:19,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 04:30:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 606100 backedges. 0 proven. 1100 refuted. 0 times theorem prover too weak. 605000 trivial. 0 not checked. [2025-01-09 04:30:24,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 04:30:24,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155272405] [2025-01-09 04:30:24,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155272405] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 04:30:24,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455450638] [2025-01-09 04:30:24,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 04:30:24,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 04:30:24,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 04:30:24,370 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 04:30:24,372 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 04:30:50,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5900 statements into 1 equivalence classes.