./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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.4.M4.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 e7add536910711ca3dec9220f075e67d5ee9c224580eddfa4901c995fa5681fd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 08:21:57,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:21:57,088 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:21:57,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:21:57,100 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:21:57,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:21:57,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:21:57,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:21:57,114 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:21:57,115 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:21:57,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:21:57,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:21:57,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:21:57,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:21:57,116 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:21:57,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:21:57,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:21:57,117 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:21:57,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:21:57,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:21:57,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:21:57,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:21:57,120 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:21:57,120 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:21:57,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:21:57,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:21:57,121 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:21:57,121 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:21:57,121 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:21:57,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:21:57,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:21:57,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:21:57,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:21:57,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:21:57,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:21:57,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:21:57,123 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:21:57,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:21:57,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:21:57,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:21:57,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:21:57,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:21:57,126 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7add536910711ca3dec9220f075e67d5ee9c224580eddfa4901c995fa5681fd [2024-11-16 08:21:57,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:21:57,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:21:57,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:21:57,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:21:57,324 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:21:57,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M4.c [2024-11-16 08:21:58,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:21:58,898 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:21:58,900 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M4.c [2024-11-16 08:21:58,938 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/407448361/ae52d24d6ae047aabe13db9e8cb96433/FLAGadcb773e7 [2024-11-16 08:21:58,950 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/407448361/ae52d24d6ae047aabe13db9e8cb96433 [2024-11-16 08:21:58,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:21:58,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:21:58,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:21:58,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:21:58,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:21:58,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:21:58" (1/1) ... [2024-11-16 08:21:58,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184e5d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:21:58, skipping insertion in model container [2024-11-16 08:21:58,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:21:58" (1/1) ... [2024-11-16 08:21:59,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:21:59,305 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.4.M4.c[2319,2332] [2024-11-16 08:22:00,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:22:00,183 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:22:00,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug4.i","-S") [48] [2024-11-16 08:22:00,195 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.4.M4.c[2319,2332] [2024-11-16 08:22:00,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:22:00,931 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:22:00,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00 WrapperNode [2024-11-16 08:22:00,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:22:00,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:22:00,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:22:00,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:22:00,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (1/1) ... [2024-11-16 08:22:01,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (1/1) ... [2024-11-16 08:22:03,114 INFO L138 Inliner]: procedures = 73, calls = 23333, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 49020 [2024-11-16 08:22:03,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:22:03,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:22:03,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:22:03,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:22:03,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (1/1) ... [2024-11-16 08:22:03,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (1/1) ... [2024-11-16 08:22:03,664 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (1/1) ... [2024-11-16 08:22:03,857 INFO L175 MemorySlicer]: Split 18581 memory accesses to 32 slices as follows [7, 2, 8, 2, 194, 17, 8, 9, 2784, 3584, 2352, 1664, 1060, 852, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429, 325, 429, 2, 325, 429, 325, 429, 4]. 19 percent of accesses are in the largest equivalence class. The 1960 initializations are split as follows [2, 0, 0, 2, 0, 8, 0, 4, 96, 96, 8, 8, 4, 4, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 108, 0, 108, 108, 108, 108, 0]. The 2057 writes are split as follows [3, 1, 4, 0, 98, 1, 4, 1, 96, 96, 8, 8, 4, 4, 109, 107, 109, 107, 109, 107, 109, 107, 109, 107, 109, 107, 1, 109, 107, 109, 107, 0]. [2024-11-16 08:22:03,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (1/1) ... [2024-11-16 08:22:03,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (1/1) ... [2024-11-16 08:22:04,476 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (1/1) ... [2024-11-16 08:22:04,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (1/1) ... [2024-11-16 08:22:04,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (1/1) ... [2024-11-16 08:22:04,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (1/1) ... [2024-11-16 08:22:05,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:22:05,120 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:22:05,120 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:22:05,120 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:22:05,121 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (1/1) ... [2024-11-16 08:22:05,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:22:05,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:22:05,146 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) [2024-11-16 08:22:05,147 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 [2024-11-16 08:22:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:22:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-16 08:22:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-16 08:22:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-16 08:22:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-16 08:22:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-16 08:22:05,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-16 08:22:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 08:22:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 08:22:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 08:22:05,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-16 08:22:05,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-16 08:22:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-16 08:22:05,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-16 08:22:05,179 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2024-11-16 08:22:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-16 08:22:05,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-16 08:22:05,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-16 08:22:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-16 08:22:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-16 08:22:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-16 08:22:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-16 08:22:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-16 08:22:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-16 08:22:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-16 08:22:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-16 08:22:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-16 08:22:05,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-16 08:22:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-16 08:22:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-16 08:22:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-11-16 08:22:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-11-16 08:22:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-11-16 08:22:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-11-16 08:22:05,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-11-16 08:22:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-16 08:22:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-16 08:22:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-16 08:22:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-16 08:22:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-16 08:22:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-16 08:22:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2024-11-16 08:22:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2024-11-16 08:22:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-16 08:22:05,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-16 08:22:05,183 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-16 08:22:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-16 08:22:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-16 08:22:05,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-16 08:22:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 08:22:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 08:22:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 08:22:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 08:22:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 08:22:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 08:22:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 08:22:05,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 08:22:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 08:22:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 08:22:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 08:22:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-16 08:22:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-16 08:22:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-16 08:22:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-16 08:22:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-16 08:22:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-16 08:22:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-16 08:22:05,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-16 08:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-16 08:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-16 08:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-16 08:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-16 08:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-16 08:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-16 08:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-16 08:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-16 08:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-16 08:22:05,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-11-16 08:22:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-11-16 08:22:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-11-16 08:22:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-11-16 08:22:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-11-16 08:22:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-16 08:22:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-16 08:22:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-16 08:22:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-16 08:22:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-16 08:22:05,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-16 08:22:05,187 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-16 08:22:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-16 08:22:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 08:22:05,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 08:22:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:22:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 08:22:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 08:22:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 08:22:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 08:22:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 08:22:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 08:22:05,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 08:22:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 08:22:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 08:22:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 08:22:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 08:22:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-16 08:22:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-16 08:22:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-16 08:22:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-16 08:22:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-16 08:22:05,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-16 08:22:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-16 08:22:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-16 08:22:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-16 08:22:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-16 08:22:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-16 08:22:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-16 08:22:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-16 08:22:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-16 08:22:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-16 08:22:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-11-16 08:22:05,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-11-16 08:22:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-11-16 08:22:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-11-16 08:22:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-11-16 08:22:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:22:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:22:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-16 08:22:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-16 08:22:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-16 08:22:05,191 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-16 08:22:05,191 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-16 08:22:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-16 08:22:05,192 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-16 08:22:05,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-16 08:22:06,704 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:22:06,705 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:22:07,000 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L243: 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; [2024-11-16 08:22:07,000 INFO L1250 $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; [2024-11-16 08:22:35,259 INFO L? ?]: Removed 429 outVars from TransFormulas that were not future-live. [2024-11-16 08:22:35,260 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:22:35,398 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:22:35,398 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:22:35,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:22:35 BoogieIcfgContainer [2024-11-16 08:22:35,400 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:22:35,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:22:35,402 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:22:35,405 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:22:35,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:21:58" (1/3) ... [2024-11-16 08:22:35,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f2070c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:22:35, skipping insertion in model container [2024-11-16 08:22:35,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:22:00" (2/3) ... [2024-11-16 08:22:35,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f2070c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:22:35, skipping insertion in model container [2024-11-16 08:22:35,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:22:35" (3/3) ... [2024-11-16 08:22:35,407 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.4.M4.c [2024-11-16 08:22:35,420 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:22:35,420 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 08:22:35,675 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:22:35,679 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;@4640ff29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:22:35,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 08:22:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 13232 states, 8527 states have (on average 1.3011610179430046) internal successors, (11095), 8640 states have internal predecessors, (11095), 4680 states have call successors, (4680), 23 states have call predecessors, (4680), 23 states have return successors, (4680), 4677 states have call predecessors, (4680), 4680 states have call successors, (4680) [2024-11-16 08:22:36,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8470 [2024-11-16 08:22:36,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:22:36,297 INFO L215 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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INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:22:36,303 INFO L85 PathProgramCache]: Analyzing trace with hash 749946686, now seen corresponding path program 1 times [2024-11-16 08:22:36,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:22:36,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639134666] [2024-11-16 08:22:36,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:22:36,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms