./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 c00e63dc 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-?-c00e63d-m [2025-02-05 16:20:34,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 16:20:34,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 16:20:34,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 16:20:34,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 16:20:34,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 16:20:34,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 16:20:34,263 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 16:20:34,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 16:20:34,263 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 16:20:34,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 16:20:34,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 16:20:34,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 16:20:34,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 16:20:34,263 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 16:20:34,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 16:20:34,264 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 16:20:34,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 16:20:34,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 16:20:34,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 16:20:34,265 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 16:20:34,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 16:20:34,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 16:20:34,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 16:20:34,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 16:20:34,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 16:20:34,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 16:20:34,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 16:20:34,265 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 [2025-02-05 16:20:34,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 16:20:34,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 16:20:34,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 16:20:34,533 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 16:20:34,533 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 16:20:34,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c [2025-02-05 16:20:35,725 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e2ecebefa/f3a4e9044e4c44639cf040a35e3df2bb/FLAGe81099f76 [2025-02-05 16:20:36,342 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 16:20:36,343 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-2.c [2025-02-05 16:20:36,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e2ecebefa/f3a4e9044e4c44639cf040a35e3df2bb/FLAGe81099f76 [2025-02-05 16:20:36,404 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e2ecebefa/f3a4e9044e4c44639cf040a35e3df2bb [2025-02-05 16:20:36,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 16:20:36,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 16:20:36,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 16:20:36,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 16:20:36,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 16:20:36,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 04:20:36" (1/1) ... [2025-02-05 16:20:36,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213a47e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:36, skipping insertion in model container [2025-02-05 16:20:36,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 04:20:36" (1/1) ... [2025-02-05 16:20:36,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 16:20:36,763 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] [2025-02-05 16:20:37,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 16:20:37,767 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 16:20:37,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug1.i","-S") [52] [2025-02-05 16:20:37,778 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] [2025-02-05 16:20:38,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 16:20:38,575 INFO L204 MainTranslator]: Completed translation [2025-02-05 16:20:38,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38 WrapperNode [2025-02-05 16:20:38,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 16:20:38,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 16:20:38,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 16:20:38,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 16:20:38,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (1/1) ... [2025-02-05 16:20:38,948 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (1/1) ... [2025-02-05 16:20:40,461 INFO L138 Inliner]: procedures = 61, calls = 20397, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 43678 [2025-02-05 16:20:40,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 16:20:40,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 16:20:40,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 16:20:40,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 16:20:40,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (1/1) ... [2025-02-05 16:20:40,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (1/1) ... [2025-02-05 16:20:40,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (1/1) ... [2025-02-05 16:20:41,212 INFO L175 MemorySlicer]: Split 15933 memory accesses to 24 slices as follows [2, 2, 194, 17, 9, 2784, 3760, 2408, 1672, 1188, 852, 7, 325, 429, 4, 325, 8, 429, 325, 429, 325, 429, 8, 2]. 24 percent of accesses are in the largest equivalence class. The 1096 initializations are split as follows [0, 2, 0, 8, 4, 96, 96, 8, 8, 4, 4, 2, 108, 108, 0, 108, 0, 108, 108, 108, 108, 108, 0, 0]. The 1193 writes are split as follows [1, 0, 98, 1, 1, 96, 96, 8, 8, 4, 4, 3, 109, 107, 0, 109, 4, 107, 109, 107, 109, 107, 4, 1]. [2025-02-05 16:20:41,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (1/1) ... [2025-02-05 16:20:41,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (1/1) ... [2025-02-05 16:20:41,893 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (1/1) ... [2025-02-05 16:20:41,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (1/1) ... [2025-02-05 16:20:42,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (1/1) ... [2025-02-05 16:20:42,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (1/1) ... [2025-02-05 16:20:42,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 16:20:42,421 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 16:20:42,422 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 16:20:42,422 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 16:20:42,423 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (1/1) ... [2025-02-05 16:20:42,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 16:20:42,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 16:20:42,455 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) [2025-02-05 16:20:42,460 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 [2025-02-05 16:20:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 16:20:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-02-05 16:20:42,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-02-05 16:20:42,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-02-05 16:20:42,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-02-05 16:20:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-02-05 16:20:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-02-05 16:20:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-02-05 16:20:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-02-05 16:20:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-02-05 16:20:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 16:20:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-02-05 16:20:42,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-02-05 16:20:42,479 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-02-05 16:20:42,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-02-05 16:20:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-02-05 16:20:42,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-02-05 16:20:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-05 16:20:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-05 16:20:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-05 16:20:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-05 16:20:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-05 16:20:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-05 16:20:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-05 16:20:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-05 16:20:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-05 16:20:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-02-05 16:20:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-02-05 16:20:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-02-05 16:20:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-05 16:20:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-05 16:20:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-05 16:20:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-02-05 16:20:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-02-05 16:20:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 16:20:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-05 16:20:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-05 16:20:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-05 16:20:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-05 16:20:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-05 16:20:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-05 16:20:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-05 16:20:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-05 16:20:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-02-05 16:20:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-02-05 16:20:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-02-05 16:20:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-02-05 16:20:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-05 16:20:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-05 16:20:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-05 16:20:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-05 16:20:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-05 16:20:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-05 16:20:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-05 16:20:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-02-05 16:20:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-02-05 16:20:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-02-05 16:20:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-02-05 16:20:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-02-05 16:20:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-02-05 16:20:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-02-05 16:20:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-02-05 16:20:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-02-05 16:20:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-02-05 16:20:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 16:20:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 16:20:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-02-05 16:20:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-02-05 16:20:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-02-05 16:20:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-02-05 16:20:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-02-05 16:20:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-02-05 16:20:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-02-05 16:20:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-02-05 16:20:43,942 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 16:20:43,943 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 16:20:44,194 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L224: call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset);havoc OSEK_Task_ts1_~#pwm_l~0#1.base, OSEK_Task_ts1_~#pwm_l~0#1.offset;call ULTIMATE.dealloc(OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset);havoc OSEK_Task_ts1_~#pwm_r~0#1.base, OSEK_Task_ts1_~#pwm_r~0#1.offset; [2025-02-05 16:20:44,195 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L92: call ULTIMATE.dealloc(balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset);havoc balance_control_~#tmp~0#1.base, balance_control_~#tmp~0#1.offset;call ULTIMATE.dealloc(balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset);havoc balance_control_~#tmp_theta_0~0#1.base, balance_control_~#tmp_theta_0~0#1.offset; [2025-02-05 16:21:10,772 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2025-02-05 16:21:10,772 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 16:21:10,947 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 16:21:10,948 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 16:21:10,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 04:21:10 BoogieIcfgContainer [2025-02-05 16:21:10,948 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 16:21:10,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 16:21:10,952 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 16:21:10,957 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 16:21:10,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 04:20:36" (1/3) ... [2025-02-05 16:21:10,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110d94c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 04:21:10, skipping insertion in model container [2025-02-05 16:21:10,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:38" (2/3) ... [2025-02-05 16:21:10,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110d94c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 04:21:10, skipping insertion in model container [2025-02-05 16:21:10,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 04:21:10" (3/3) ... [2025-02-05 16:21:10,959 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-2.c [2025-02-05 16:21:10,970 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 16:21:10,974 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. [2025-02-05 16:21:11,263 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 16:21:11,274 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;@4e9f7db8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 16:21:11,274 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 16:21:11,321 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) [2025-02-05 16:21:11,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2025-02-05 16:21:11,731 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:11,735 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] === [2025-02-05 16:21:11,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:11,745 INFO L85 PathProgramCache]: Analyzing trace with hash 360423352, now seen corresponding path program 1 times [2025-02-05 16:21:11,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:11,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516644192] [2025-02-05 16:21:11,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:11,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:33,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5900 statements into 1 equivalence classes. [2025-02-05 16:21:34,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5900 of 5900 statements. [2025-02-05 16:21:34,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:34,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:21:38,989 INFO L134 CoverageAnalysis]: Checked inductivity of 606100 backedges. 0 proven. 1100 refuted. 0 times theorem prover too weak. 605000 trivial. 0 not checked. [2025-02-05 16:21:38,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:21:38,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516644192] [2025-02-05 16:21:38,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516644192] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 16:21:38,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656686479] [2025-02-05 16:21:38,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:38,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 16:21:38,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 16:21:38,993 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) [2025-02-05 16:21:38,998 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 [2025-02-05 16:22:05,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5900 statements into 1 equivalence classes. [2025-02-05 16:22:07,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5900 of 5900 statements. [2025-02-05 16:22:07,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:22:07,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:22:07,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 19196 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 16:22:07,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 16:22:08,011 INFO L134 CoverageAnalysis]: Checked inductivity of 606100 backedges. 1100 proven. 0 refuted. 0 times theorem prover too weak. 605000 trivial. 0 not checked. [2025-02-05 16:22:08,011 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 16:22:08,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656686479] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 16:22:08,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 16:22:08,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-05 16:22:08,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47349816] [2025-02-05 16:22:08,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 16:22:08,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 16:22:08,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 16:22:08,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 16:22:08,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 16:22:08,070 INFO L87 Difference]: Start difference. First 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) Second operand has 2 states, 2 states have (on average 1574.5) internal successors, (3149), 2 states have internal predecessors, (3149), 2 states have call successors, (552), 2 states have call predecessors, (552), 1 states have return successors, (551), 1 states have call predecessors, (551), 2 states have call successors, (551)