./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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_nxt.3.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 17a6dd75e60112a7f7af78ca3548f5d14d93f1e305c1fc4e0acf996889e6f17b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:49:55,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:49:56,019 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:49:56,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:49:56,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:49:56,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:49:56,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:49:56,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:49:56,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:49:56,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:49:56,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:49:56,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:49:56,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:49:56,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:49:56,050 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:49:56,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:49:56,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:49:56,051 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:49:56,051 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:49:56,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:49:56,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:49:56,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:49:56,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:49:56,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:49:56,056 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:49:56,056 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:49:56,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:49:56,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:49:56,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:49:56,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:49:56,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:49:56,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:49:56,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:49:56,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:49:56,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:49:56,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:49:56,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:49:56,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:49:56,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:49:56,058 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:49:56,058 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:49:56,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:49:56,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17a6dd75e60112a7f7af78ca3548f5d14d93f1e305c1fc4e0acf996889e6f17b [2024-11-18 14:49:56,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:49:56,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:49:56,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:49:56,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:49:56,296 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:49:56,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c [2024-11-18 14:49:57,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:49:57,983 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:49:57,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c [2024-11-18 14:49:58,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee77cace7/982e9d3966d3492193b23ba911f89c6c/FLAGc798d8566 [2024-11-18 14:49:58,034 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee77cace7/982e9d3966d3492193b23ba911f89c6c [2024-11-18 14:49:58,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:49:58,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:49:58,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:49:58,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:49:58,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:49:58,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:49:58" (1/1) ... [2024-11-18 14:49:58,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67de23b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:49:58, skipping insertion in model container [2024-11-18 14:49:58,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:49:58" (1/1) ... [2024-11-18 14:49:58,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:49:58,419 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.3.M4.c[2275,2288] [2024-11-18 14:49:59,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:49:59,274 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:49:59,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok3.i","-S") [51] [2024-11-18 14:49:59,288 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.3.M4.c[2275,2288] [2024-11-18 14:49:59,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:50:00,038 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:50:00,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00 WrapperNode [2024-11-18 14:50:00,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:50:00,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:50:00,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:50:00,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:50:00,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (1/1) ... [2024-11-18 14:50:00,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (1/1) ... [2024-11-18 14:50:01,995 INFO L138 Inliner]: procedures = 63, calls = 19692, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 42457 [2024-11-18 14:50:01,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:50:01,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:50:01,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:50:01,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:50:02,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (1/1) ... [2024-11-18 14:50:02,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (1/1) ... [2024-11-18 14:50:02,501 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (1/1) ... [2024-11-18 14:50:02,679 INFO L175 MemorySlicer]: Split 15291 memory accesses to 22 slices as follows [2, 8, 194, 17, 7, 9, 2784, 3812, 2, 2400, 1676, 1252, 852, 325, 429, 325, 429, 325, 429, 8, 4, 2]. 25 percent of accesses are in the largest equivalence class. The 880 initializations are split as follows [2, 0, 0, 8, 2, 4, 96, 96, 0, 8, 8, 4, 4, 108, 108, 108, 108, 108, 108, 0, 0, 0]. The 977 writes are split as follows [0, 4, 98, 1, 3, 1, 96, 96, 1, 8, 8, 4, 4, 109, 107, 109, 107, 109, 107, 4, 0, 1]. [2024-11-18 14:50:02,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (1/1) ... [2024-11-18 14:50:02,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (1/1) ... [2024-11-18 14:50:03,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (1/1) ... [2024-11-18 14:50:03,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (1/1) ... [2024-11-18 14:50:03,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (1/1) ... [2024-11-18 14:50:03,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (1/1) ... [2024-11-18 14:50:03,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:50:03,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:50:03,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:50:03,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:50:03,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (1/1) ... [2024-11-18 14:50:03,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:50:03,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:50:03,877 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) [2024-11-18 14:50:03,880 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 [2024-11-18 14:50:03,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-18 14:50:03,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-18 14:50:03,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-18 14:50:03,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-18 14:50:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-18 14:50:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-18 14:50:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-18 14:50:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-18 14:50:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-18 14:50:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-18 14:50:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-18 14:50:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-18 14:50:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-18 14:50:03,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-18 14:50:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-18 14:50:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2024-11-18 14:50:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-18 14:50:03,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-18 14:50:03,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-18 14:50:03,926 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-18 14:50:03,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-18 14:50:03,926 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-18 14:50:03,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-18 14:50:03,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-18 14:50:03,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-18 14:50:03,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-18 14:50:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-18 14:50:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-18 14:50:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-18 14:50:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-18 14:50:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-18 14:50:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-18 14:50:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-18 14:50:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-18 14:50:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-18 14:50:03,928 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-18 14:50:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-18 14:50:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-18 14:50:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-18 14:50:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-18 14:50:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-18 14:50:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-18 14:50:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-18 14:50:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-18 14:50:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-18 14:50:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-18 14:50:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-18 14:50:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-18 14:50:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-18 14:50:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-18 14:50:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:50:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:50:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-18 14:50:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-18 14:50:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-18 14:50:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-18 14:50:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-18 14:50:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-18 14:50:05,312 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:50:05,315 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:50:33,127 INFO L? ?]: Removed 305 outVars from TransFormulas that were not future-live. [2024-11-18 14:50:33,128 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:50:33,238 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:50:33,238 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 14:50:33,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:33 BoogieIcfgContainer [2024-11-18 14:50:33,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:50:33,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:50:33,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:50:33,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:50:33,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:49:58" (1/3) ... [2024-11-18 14:50:33,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57378625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:50:33, skipping insertion in model container [2024-11-18 14:50:33,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:50:00" (2/3) ... [2024-11-18 14:50:33,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57378625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:50:33, skipping insertion in model container [2024-11-18 14:50:33,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:50:33" (3/3) ... [2024-11-18 14:50:33,249 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.3.M4.c [2024-11-18 14:50:33,264 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:50:33,264 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:50:33,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:50:33,686 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;@6c2fc7ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:50:33,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:50:33,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 12489 states, 8126 states have (on average 1.311469357617524) internal successors, (10657), 8238 states have internal predecessors, (10657), 4343 states have call successors, (4343), 18 states have call predecessors, (4343), 18 states have return successors, (4343), 4341 states have call predecessors, (4343), 4343 states have call successors, (4343) [2024-11-18 14:50:34,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5259 [2024-11-18 14:50:34,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:50:34,157 INFO L215 NwaCegarLoop]: trace histogram [444, 444, 444, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:50:34,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:50:34,164 INFO L85 PathProgramCache]: Analyzing trace with hash 325772173, now seen corresponding path program 1 times [2024-11-18 14:50:34,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:50:34,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439280832] [2024-11-18 14:50:34,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:50:34,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:50:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 393384 backedges. 0 proven. 886 refuted. 0 times theorem prover too weak. 392498 trivial. 0 not checked. [2024-11-18 14:51:00,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:51:00,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439280832] [2024-11-18 14:51:00,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439280832] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-18 14:51:00,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745198826] [2024-11-18 14:51:00,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:51:00,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-18 14:51:00,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:51:00,630 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) [2024-11-18 14:51:00,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-18 14:51:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:51:25,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 16602 conjuncts, 1 conjuncts are in the unsatisfiable core