./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 6240875fd021ef86002633b5e6fdfcec4ffcbe681ff045b4f4e341a758fe554a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 06:08:00,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 06:08:00,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 06:08:00,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 06:08:00,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 06:08:00,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 06:08:00,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 06:08:00,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 06:08:00,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 06:08:00,368 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 06:08:00,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 06:08:00,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 06:08:00,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 06:08:00,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 06:08:00,374 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 06:08:00,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 06:08:00,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 06:08:00,375 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 06:08:00,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 06:08:00,375 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 06:08:00,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 06:08:00,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 06:08:00,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 06:08:00,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 06:08:00,376 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 06:08:00,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 06:08:00,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 06:08:00,376 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 06:08:00,376 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 06:08:00,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 06:08:00,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 06:08:00,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 06:08:00,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 06:08:00,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 06:08:00,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 06:08:00,377 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 06:08:00,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 06:08:00,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 06:08:00,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 06:08:00,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 06:08:00,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 06:08:00,377 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 06:08:00,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 06:08:00,378 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/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 -> 6240875fd021ef86002633b5e6fdfcec4ffcbe681ff045b4f4e341a758fe554a [2025-03-08 06:08:00,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 06:08:00,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 06:08:00,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 06:08:00,984 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 06:08:00,985 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 06:08:00,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c [2025-03-08 06:08:02,894 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ca62ad57/bb678616174f4cb1baa744977f330872/FLAG7e911fa19 [2025-03-08 06:08:03,572 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 06:08:03,572 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c [2025-03-08 06:08:03,619 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ca62ad57/bb678616174f4cb1baa744977f330872/FLAG7e911fa19 [2025-03-08 06:08:03,640 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ca62ad57/bb678616174f4cb1baa744977f330872 [2025-03-08 06:08:03,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 06:08:03,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 06:08:03,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 06:08:03,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 06:08:03,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 06:08:03,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:08:03" (1/1) ... [2025-03-08 06:08:03,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66899fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:03, skipping insertion in model container [2025-03-08 06:08:03,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:08:03" (1/1) ... [2025-03-08 06:08:03,864 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 06:08:04,170 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c[2195,2208] [2025-03-08 06:08:05,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 06:08:05,839 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 06:08:05,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok2.i","-S") [51] [2025-03-08 06:08:05,862 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M4-1.c[2195,2208] [2025-03-08 06:08:06,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 06:08:06,933 INFO L204 MainTranslator]: Completed translation [2025-03-08 06:08:06,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06 WrapperNode [2025-03-08 06:08:06,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 06:08:06,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 06:08:06,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 06:08:06,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 06:08:06,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (1/1) ... [2025-03-08 06:08:07,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (1/1) ... [2025-03-08 06:08:10,491 INFO L138 Inliner]: procedures = 59, calls = 18819, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 40930 [2025-03-08 06:08:10,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 06:08:10,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 06:08:10,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 06:08:10,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 06:08:10,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (1/1) ... [2025-03-08 06:08:10,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (1/1) ... [2025-03-08 06:08:11,194 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (1/1) ... [2025-03-08 06:08:11,594 INFO L175 MemorySlicer]: Split 14537 memory accesses to 20 slices as follows [2, 194, 17, 9, 2784, 3812, 2400, 1676, 1252, 852, 325, 8, 429, 7, 325, 429, 4, 2, 2, 8]. 26 percent of accesses are in the largest equivalence class. The 664 initializations are split as follows [2, 0, 8, 4, 96, 96, 8, 8, 4, 4, 108, 0, 108, 2, 108, 108, 0, 0, 0, 0]. The 761 writes are split as follows [0, 98, 1, 1, 96, 96, 8, 8, 4, 4, 109, 4, 107, 3, 109, 107, 0, 1, 1, 4]. [2025-03-08 06:08:11,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (1/1) ... [2025-03-08 06:08:11,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (1/1) ... [2025-03-08 06:08:12,558 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (1/1) ... [2025-03-08 06:08:12,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (1/1) ... [2025-03-08 06:08:12,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (1/1) ... [2025-03-08 06:08:12,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (1/1) ... [2025-03-08 06:08:13,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 06:08:13,157 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 06:08:13,157 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 06:08:13,157 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 06:08:13,160 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (1/1) ... [2025-03-08 06:08:13,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 06:08:13,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:08:13,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 06:08:13,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 06:08:13,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 06:08:13,291 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-03-08 06:08:13,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-03-08 06:08:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-03-08 06:08:13,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-03-08 06:08:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 06:08:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 06:08:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 06:08:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 06:08:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 06:08:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 06:08:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 06:08:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 06:08:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 06:08:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-03-08 06:08:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-03-08 06:08:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-03-08 06:08:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 06:08:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-03-08 06:08:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-03-08 06:08:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-03-08 06:08:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-03-08 06:08:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2025-03-08 06:08:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 06:08:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-03-08 06:08:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-03-08 06:08:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 06:08:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 06:08:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 06:08:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 06:08:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 06:08:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 06:08:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 06:08:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 06:08:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 06:08:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 06:08:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 06:08:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 06:08:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 06:08:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 06:08:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 06:08:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 06:08:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 06:08:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 06:08:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 06:08:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 06:08:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 06:08:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 06:08:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-03-08 06:08:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-03-08 06:08:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-03-08 06:08:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-03-08 06:08:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-03-08 06:08:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-03-08 06:08:15,321 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 06:08:15,323 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 06:08:15,960 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L218: 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; [2025-03-08 06:08:15,960 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L91: 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; [2025-03-08 06:08:46,686 INFO L? ?]: Removed 277 outVars from TransFormulas that were not future-live. [2025-03-08 06:08:46,690 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 06:08:47,001 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 06:08:47,001 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 06:08:47,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:08:47 BoogieIcfgContainer [2025-03-08 06:08:47,002 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 06:08:47,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 06:08:47,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 06:08:47,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 06:08:47,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:08:03" (1/3) ... [2025-03-08 06:08:47,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49177fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:08:47, skipping insertion in model container [2025-03-08 06:08:47,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:08:06" (2/3) ... [2025-03-08 06:08:47,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49177fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:08:47, skipping insertion in model container [2025-03-08 06:08:47,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:08:47" (3/3) ... [2025-03-08 06:08:47,013 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.2.M4-1.c [2025-03-08 06:08:47,028 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 06:08:47,033 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_nxt.2.M4-1.c that has 17 procedures, 12239 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 06:08:47,445 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 06:08:47,461 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;@592ae157, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 06:08:47,462 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 06:08:47,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 12239 states, 7995 states have (on average 1.3155722326454033) internal successors, (10518), 8108 states have internal predecessors, (10518), 4226 states have call successors, (4226), 16 states have call predecessors, (4226), 16 states have return successors, (4226), 4224 states have call predecessors, (4226), 4226 states have call successors, (4226) [2025-03-08 06:08:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4617 [2025-03-08 06:08:48,570 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 06:08:48,583 INFO L218 NwaCegarLoop]: trace histogram [337, 337, 337, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1] [2025-03-08 06:08:48,586 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 06:08:48,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 06:08:48,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1189056988, now seen corresponding path program 1 times [2025-03-08 06:08:48,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 06:08:48,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604429718] [2025-03-08 06:08:48,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:08:48,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 06:09:05,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4616 statements into 1 equivalence classes. [2025-03-08 06:09:05,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4616 of 4616 statements. [2025-03-08 06:09:05,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 06:09:05,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 06:09:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 226464 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 225792 trivial. 0 not checked. [2025-03-08 06:09:10,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 06:09:10,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604429718] [2025-03-08 06:09:10,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604429718] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 06:09:10,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620083679] [2025-03-08 06:09:10,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 06:09:10,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 06:09:10,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 06:09:10,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 06:09:10,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process