./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.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.2.M4-1.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d62eb188ec8009366dfdca221ff91e65711c28198c7f8ea6438b1bcf863cd3f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 16:20:54,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 16:20:54,359 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 16:20:54,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 16:20:54,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 16:20:54,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 16:20:54,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 16:20:54,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 16:20:54,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 16:20:54,391 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 16:20:54,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 16:20:54,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 16:20:54,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 16:20:54,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 16:20:54,392 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 16:20:54,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 16:20:54,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 16:20:54,392 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 16:20:54,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 16:20:54,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 16:20:54,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 16:20:54,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 16:20:54,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 16:20:54,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 16:20:54,393 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 16:20:54,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 16:20:54,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 16:20:54,393 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 -> 2d62eb188ec8009366dfdca221ff91e65711c28198c7f8ea6438b1bcf863cd3f [2025-02-05 16:20:54,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 16:20:54,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 16:20:54,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 16:20:54,617 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 16:20:54,618 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 16:20:54,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.c [2025-02-05 16:20:55,775 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bfb102be0/3a22add107e44f84ac73926d45335514/FLAGb7e0044b4 [2025-02-05 16:20:56,386 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 16:20:56,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-1.c [2025-02-05 16:20:56,435 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bfb102be0/3a22add107e44f84ac73926d45335514/FLAGb7e0044b4 [2025-02-05 16:20:56,856 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bfb102be0/3a22add107e44f84ac73926d45335514 [2025-02-05 16:20:56,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 16:20:56,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 16:20:56,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 16:20:56,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 16:20:56,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 16:20:56,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 04:20:56" (1/1) ... [2025-02-05 16:20:56,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea59e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:56, skipping insertion in model container [2025-02-05 16:20:56,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 04:20:56" (1/1) ... [2025-02-05 16:20:56,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 16:20:57,228 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.M4-1.c[2836,2849] [2025-02-05 16:20:58,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 16:20:58,186 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 16:20:58,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug2.i","-S") [61] [2025-02-05 16:20:58,199 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.M4-1.c[2836,2849] [2025-02-05 16:20:58,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 16:20:58,927 INFO L204 MainTranslator]: Completed translation [2025-02-05 16:20:58,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58 WrapperNode [2025-02-05 16:20:58,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 16:20:58,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 16:20:58,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 16:20:58,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 16:20:58,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:20:59,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:00,614 INFO L138 Inliner]: procedures = 64, calls = 20729, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 44150 [2025-02-05 16:21:00,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 16:21:00,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 16:21:00,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 16:21:00,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 16:21:00,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:00,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:00,900 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:01,088 INFO L175 MemorySlicer]: Split 16153 memory accesses to 27 slices as follows [8, 2, 8, 2, 194, 17, 9, 194, 17, 2, 9, 2784, 3760, 2408, 1672, 1188, 852, 325, 429, 325, 429, 325, 429, 325, 4, 429, 7]. 23 percent of accesses are in the largest equivalence class. The 1108 initializations are split as follows [0, 0, 0, 2, 0, 8, 4, 0, 8, 0, 4, 96, 96, 8, 8, 4, 4, 108, 108, 108, 108, 108, 108, 108, 0, 108, 2]. The 1293 writes are split as follows [4, 1, 4, 0, 98, 1, 1, 98, 1, 1, 1, 96, 96, 8, 8, 4, 4, 109, 107, 109, 107, 109, 107, 109, 0, 107, 3]. [2025-02-05 16:21:01,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:01,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:01,750 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:01,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:01,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:02,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:02,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 16:21:02,324 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 16:21:02,324 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 16:21:02,324 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 16:21:02,325 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (1/1) ... [2025-02-05 16:21:02,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 16:21:02,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 16:21:02,359 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 16:21:02,463 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 16:21:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 16:21:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-02-05 16:21:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-02-05 16:21:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-02-05 16:21:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-02-05 16:21:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-02-05 16:21:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-02-05 16:21:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-05 16:21:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-05 16:21:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-05 16:21:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-02-05 16:21:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-02-05 16:21:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-02-05 16:21:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-02-05 16:21:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-02-05 16:21:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-02-05 16:21:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-02-05 16:21:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-02-05 16:21:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-02-05 16:21:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 16:21:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-02-05 16:21:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-02-05 16:21:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-02-05 16:21:02,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-02-05 16:21:02,489 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-02-05 16:21:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-02-05 16:21:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-02-05 16:21:02,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-02-05 16:21:02,490 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-02-05 16:21:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-05 16:21:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-05 16:21:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-02-05 16:21:02,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-02-05 16:21:02,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-02-05 16:21:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-02-05 16:21:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-02-05 16:21:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-02-05 16:21:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-02-05 16:21:02,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-02-05 16:21:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-02-05 16:21:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-02-05 16:21:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-02-05 16:21:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-05 16:21:02,495 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-05 16:21:02,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-02-05 16:21:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-02-05 16:21:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-02-05 16:21:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-02-05 16:21:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-02-05 16:21:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-02-05 16:21:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-02-05 16:21:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-02-05 16:21:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-02-05 16:21:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-02-05 16:21:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-02-05 16:21:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-02-05 16:21:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-02-05 16:21:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 16:21:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 16:21:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-02-05 16:21:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-02-05 16:21:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-02-05 16:21:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-02-05 16:21:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-02-05 16:21:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-02-05 16:21:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-02-05 16:21:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-02-05 16:21:03,936 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 16:21:03,938 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 16:21:04,224 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L235: 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 16:21:04,224 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L103: 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 16:21:32,834 INFO L? ?]: Removed 340 outVars from TransFormulas that were not future-live. [2025-02-05 16:21:32,834 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 16:21:32,958 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 16:21:32,959 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 16:21:32,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 04:21:32 BoogieIcfgContainer [2025-02-05 16:21:32,959 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 16:21:32,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 16:21:32,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 16:21:32,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 16:21:32,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 04:20:56" (1/3) ... [2025-02-05 16:21:32,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad2de56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 04:21:32, skipping insertion in model container [2025-02-05 16:21:32,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 04:20:58" (2/3) ... [2025-02-05 16:21:32,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ad2de56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 04:21:32, skipping insertion in model container [2025-02-05 16:21:32,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 04:21:32" (3/3) ... [2025-02-05 16:21:32,966 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M4-1.c [2025-02-05 16:21:32,976 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 16:21:32,980 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.2.M4-1.c that has 22 procedures, 12867 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 16:21:33,289 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 16:21:33,297 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;@4154836c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 16:21:33,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 16:21:33,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 12867 states, 8327 states have (on average 1.3061126456106642) internal successors, (10876), 8440 states have internal predecessors, (10876), 4517 states have call successors, (4517), 21 states have call predecessors, (4517), 21 states have return successors, (4517), 4514 states have call predecessors, (4517), 4517 states have call successors, (4517) [2025-02-05 16:21:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2025-02-05 16:21:33,826 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 16:21:33,830 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, 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Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 16:21:33,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 16:21:33,840 INFO L85 PathProgramCache]: Analyzing trace with hash 616154514, now seen corresponding path program 1 times [2025-02-05 16:21:33,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 16:21:33,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104448997] [2025-02-05 16:21:33,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:21:33,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 16:21:58,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5900 statements into 1 equivalence classes. [2025-02-05 16:21:58,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5900 of 5900 statements. [2025-02-05 16:21:58,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 16:21:58,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 16:22:02,953 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 16:22:02,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 16:22:02,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104448997] [2025-02-05 16:22:02,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104448997] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 16:22:02,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675207537] [2025-02-05 16:22:02,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 16:22:02,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 16:22:02,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 16:22:02,958 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 16:22:02,960 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