./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_aso.2.M4-2.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 13ab100f899a57e5eca7e0526610c7b743f980d5e72b80cc180b4d884d35b9a9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 14:55:39,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 14:55:39,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 14:55:39,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 14:55:39,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 14:55:39,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 14:55:39,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 14:55:39,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 14:55:39,938 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 14:55:39,938 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 14:55:39,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 14:55:39,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 14:55:39,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 14:55:39,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 14:55:39,939 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 14:55:39,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 14:55:39,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 14:55:39,939 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 14:55:39,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 14:55:39,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 14:55:39,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 14:55:39,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 14:55:39,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 14:55:39,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 14:55:39,940 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 14:55:39,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 14:55:39,940 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 14:55:39,940 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 14:55:39,940 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 14:55:39,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 14:55:39,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 14:55:39,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 14:55:39,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:55:39,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 14:55:39,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 14:55:39,940 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 14:55:39,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 14:55:39,941 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 14:55:39,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 14:55:39,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 14:55:39,941 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 14:55:39,941 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 14:55:39,941 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 14:55:39,941 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 -> 13ab100f899a57e5eca7e0526610c7b743f980d5e72b80cc180b4d884d35b9a9 [2025-03-03 14:55:40,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 14:55:40,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 14:55:40,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 14:55:40,195 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 14:55:40,195 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 14:55:40,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c [2025-03-03 14:55:41,395 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c646199e5/03961dea48894e849c945e57b537bd32/FLAG50f2abd08 [2025-03-03 14:55:41,932 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 14:55:41,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c [2025-03-03 14:55:41,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c646199e5/03961dea48894e849c945e57b537bd32/FLAG50f2abd08 [2025-03-03 14:55:42,005 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c646199e5/03961dea48894e849c945e57b537bd32 [2025-03-03 14:55:42,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 14:55:42,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 14:55:42,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 14:55:42,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 14:55:42,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 14:55:42,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:55:42" (1/1) ... [2025-03-03 14:55:42,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8cb9d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:42, skipping insertion in model container [2025-03-03 14:55:42,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 02:55:42" (1/1) ... [2025-03-03 14:55:42,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 14:55:42,342 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_aso.2.M4-2.c[2320,2333] [2025-03-03 14:55:43,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:55:43,354 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 14:55:43,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.ok2.i","-S") [48] [2025-03-03 14:55:43,371 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_aso.2.M4-2.c[2320,2333] [2025-03-03 14:55:44,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 14:55:44,225 INFO L204 MainTranslator]: Completed translation [2025-03-03 14:55:44,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44 WrapperNode [2025-03-03 14:55:44,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 14:55:44,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 14:55:44,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 14:55:44,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 14:55:44,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (1/1) ... [2025-03-03 14:55:44,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (1/1) ... [2025-03-03 14:55:46,072 INFO L138 Inliner]: procedures = 73, calls = 23336, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 48993 [2025-03-03 14:55:46,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 14:55:46,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 14:55:46,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 14:55:46,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 14:55:46,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (1/1) ... [2025-03-03 14:55:46,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (1/1) ... [2025-03-03 14:55:46,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (1/1) ... [2025-03-03 14:55:46,701 INFO L175 MemorySlicer]: Split 18581 memory accesses to 32 slices as follows [8, 4, 8, 2, 194, 2, 17, 9, 2784, 3584, 2352, 1664, 1060, 852, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429, 325, 7, 429, 325, 2, 429, 325, 429]. 19 percent of accesses are in the largest equivalence class. The 1960 initializations are split as follows [0, 0, 0, 2, 0, 0, 8, 4, 96, 96, 8, 8, 4, 4, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 2, 108, 108, 0, 108, 108, 108]. The 2057 writes are split as follows [4, 0, 4, 0, 98, 1, 1, 1, 96, 96, 8, 8, 4, 4, 109, 107, 109, 107, 109, 107, 109, 107, 109, 107, 109, 3, 107, 109, 1, 107, 109, 107]. [2025-03-03 14:55:46,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (1/1) ... [2025-03-03 14:55:46,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (1/1) ... [2025-03-03 14:55:47,417 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (1/1) ... [2025-03-03 14:55:47,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (1/1) ... [2025-03-03 14:55:47,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (1/1) ... [2025-03-03 14:55:47,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (1/1) ... [2025-03-03 14:55:47,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 14:55:47,863 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 14:55:47,864 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 14:55:47,864 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 14:55:47,865 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (1/1) ... [2025-03-03 14:55:47,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 14:55:48,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 14:55:48,054 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) [2025-03-03 14:55:48,056 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 [2025-03-03 14:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 14:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2025-03-03 14:55:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2025-03-03 14:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2025-03-03 14:55:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2025-03-03 14:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2025-03-03 14:55:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2025-03-03 14:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2025-03-03 14:55:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2025-03-03 14:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-03 14:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-03 14:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-03 14:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-03 14:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-03 14:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-03 14:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2025-03-03 14:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2025-03-03 14:55:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2025-03-03 14:55:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2025-03-03 14:55:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2025-03-03 14:55:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-03 14:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2025-03-03 14:55:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2025-03-03 14:55:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2025-03-03 14:55:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2025-03-03 14:55:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-03-03 14:55:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-03-03 14:55:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2025-03-03 14:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-03-03 14:55:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-03 14:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-03 14:55:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-03 14:55:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-03 14:55:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-03 14:55:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-03 14:55:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-03 14:55:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2025-03-03 14:55:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2025-03-03 14:55:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2025-03-03 14:55:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2025-03-03 14:55:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2025-03-03 14:55:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2025-03-03 14:55:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2025-03-03 14:55:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2025-03-03 14:55:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2025-03-03 14:55:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2025-03-03 14:55:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2025-03-03 14:55:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2025-03-03 14:55:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2025-03-03 14:55:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2025-03-03 14:55:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2025-03-03 14:55:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2025-03-03 14:55:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2025-03-03 14:55:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-03 14:55:48,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2025-03-03 14:55:48,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2025-03-03 14:55:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2025-03-03 14:55:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2025-03-03 14:55:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2025-03-03 14:55:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2025-03-03 14:55:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2025-03-03 14:55:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 14:55:48,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 14:55:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2025-03-03 14:55:48,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2025-03-03 14:55:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2025-03-03 14:55:48,087 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2025-03-03 14:55:48,087 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2025-03-03 14:55:48,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2025-03-03 14:55:48,090 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2025-03-03 14:55:48,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2025-03-03 14:55:49,514 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 14:55:49,516 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 14:55:49,859 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: 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; [2025-03-03 14:55:49,859 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L105: 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; [2025-03-03 14:56:20,352 INFO L? ?]: Removed 429 outVars from TransFormulas that were not future-live. [2025-03-03 14:56:20,353 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 14:56:20,486 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 14:56:20,486 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 14:56:20,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:56:20 BoogieIcfgContainer [2025-03-03 14:56:20,486 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 14:56:20,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 14:56:20,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 14:56:20,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 14:56:20,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 02:55:42" (1/3) ... [2025-03-03 14:56:20,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d13d9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:56:20, skipping insertion in model container [2025-03-03 14:56:20,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 02:55:44" (2/3) ... [2025-03-03 14:56:20,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d13d9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 02:56:20, skipping insertion in model container [2025-03-03 14:56:20,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 02:56:20" (3/3) ... [2025-03-03 14:56:20,496 INFO L128 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M4-2.c [2025-03-03 14:56:20,508 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 14:56:20,512 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.2.M4-2.c that has 25 procedures, 13236 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-03 14:56:21,001 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 14:56:21,022 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;@56c3ff75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 14:56:21,022 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 14:56:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 13236 states, 8526 states have (on average 1.3010790523105793) internal successors, (11093), 8640 states have internal predecessors, (11093), 4684 states have call successors, (4684), 24 states have call predecessors, (4684), 24 states have return successors, (4684), 4681 states have call predecessors, (4684), 4684 states have call successors, (4684) [2025-03-03 14:56:21,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8469 [2025-03-03 14:56:21,957 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 14:56:21,961 INFO L218 NwaCegarLoop]: trace histogram [979, 979, 979, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 14:56:21,971 INFO L85 PathProgramCache]: Analyzing trace with hash -614817168, now seen corresponding path program 1 times [2025-03-03 14:56:21,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 14:56:21,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491811900] [2025-03-03 14:56:21,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 14:56:21,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms