./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/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.M1.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.graphml --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 8e24bd3d387a8dc9f49a28dec971e10112e01621b85a87c6eb3a0cec4db0bef2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 05:30:22,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 05:30:22,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 05:30:22,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 05:30:22,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 05:30:22,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 05:30:22,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 05:30:22,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 05:30:22,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 05:30:22,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 05:30:22,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 05:30:22,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 05:30:22,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 05:30:22,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 05:30:22,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 05:30:22,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 05:30:22,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 05:30:22,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 05:30:22,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 05:30:22,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 05:30:22,871 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 05:30:22,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 05:30:22,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 05:30:22,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 05:30:22,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 05:30:22,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 05:30:22,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 05:30:22,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 05:30:22,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 05:30:22,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 05:30:22,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 05:30:22,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 05:30:22,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 05:30:22,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 05:30:22,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 05:30:22,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 05:30:22,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 05:30:22,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 05:30:22,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 05:30:22,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 05:30:22,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 05:30:22,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 05:30:22,900 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 05:30:22,938 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 05:30:22,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 05:30:22,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 05:30:22,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 05:30:22,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 05:30:22,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 05:30:22,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 05:30:22,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 05:30:22,942 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 05:30:22,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 05:30:22,943 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 05:30:22,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 05:30:22,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 05:30:22,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 05:30:22,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 05:30:22,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 05:30:22,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 05:30:22,944 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 05:30:22,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 05:30:22,945 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 05:30:22,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 05:30:22,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 05:30:22,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 05:30:22,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 05:30:22,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:30:22,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 05:30:22,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 05:30:22,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 05:30:22,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 05:30:22,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 05:30:22,947 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 05:30:22,947 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 05:30:22,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 05:30:22,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e24bd3d387a8dc9f49a28dec971e10112e01621b85a87c6eb3a0cec4db0bef2 [2022-07-21 05:30:23,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 05:30:23,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 05:30:23,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 05:30:23,309 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 05:30:23,309 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 05:30:23,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c [2022-07-21 05:30:23,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7eded85/1642d1408e694d55a7a8bfc991c1c194/FLAGc3e2f527c [2022-07-21 05:30:24,058 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 05:30:24,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c [2022-07-21 05:30:24,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7eded85/1642d1408e694d55a7a8bfc991c1c194/FLAGc3e2f527c [2022-07-21 05:30:24,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7eded85/1642d1408e694d55a7a8bfc991c1c194 [2022-07-21 05:30:24,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 05:30:24,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 05:30:24,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 05:30:24,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 05:30:24,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 05:30:24,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:30:24" (1/1) ... [2022-07-21 05:30:24,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5634bb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:24, skipping insertion in model container [2022-07-21 05:30:24,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:30:24" (1/1) ... [2022-07-21 05:30:24,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 05:30:24,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 05:30:24,536 WARN L230 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.M1.c[2061,2074] [2022-07-21 05:30:24,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:30:24,977 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 05:30:25,000 WARN L230 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.M1.c[2061,2074] [2022-07-21 05:30:25,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:30:25,230 INFO L208 MainTranslator]: Completed translation [2022-07-21 05:30:25,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:25 WrapperNode [2022-07-21 05:30:25,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 05:30:25,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 05:30:25,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 05:30:25,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 05:30:25,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:25" (1/1) ... [2022-07-21 05:30:25,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:25" (1/1) ... [2022-07-21 05:30:25,592 INFO L137 Inliner]: procedures = 72, calls = 2680, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 5657 [2022-07-21 05:30:25,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 05:30:25,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 05:30:25,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 05:30:25,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 05:30:25,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:25" (1/1) ... [2022-07-21 05:30:25,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:25" (1/1) ... [2022-07-21 05:30:25,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:25" (1/1) ... [2022-07-21 05:30:25,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:25" (1/1) ... [2022-07-21 05:30:25,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:25" (1/1) ... [2022-07-21 05:30:25,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:25" (1/1) ... [2022-07-21 05:30:25,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:25" (1/1) ... [2022-07-21 05:30:25,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 05:30:25,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 05:30:25,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 05:30:25,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 05:30:25,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:25" (1/1) ... [2022-07-21 05:30:25,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:30:25,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:30:25,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 05:30:26,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 05:30:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 05:30:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-07-21 05:30:26,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-07-21 05:30:26,018 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-07-21 05:30:26,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-07-21 05:30:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-07-21 05:30:26,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-07-21 05:30:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 05:30:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-07-21 05:30:26,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-07-21 05:30:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-07-21 05:30:26,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-07-21 05:30:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-07-21 05:30:26,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-07-21 05:30:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-07-21 05:30:26,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-07-21 05:30:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 05:30:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-07-21 05:30:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-07-21 05:30:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-07-21 05:30:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-07-21 05:30:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-07-21 05:30:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-07-21 05:30:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-07-21 05:30:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-07-21 05:30:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-07-21 05:30:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-07-21 05:30:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-07-21 05:30:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-07-21 05:30:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-07-21 05:30:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-07-21 05:30:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 05:30:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 05:30:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-07-21 05:30:26,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-07-21 05:30:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-07-21 05:30:26,024 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-07-21 05:30:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-07-21 05:30:26,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-07-21 05:30:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-07-21 05:30:26,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-07-21 05:30:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 05:30:26,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 05:30:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 05:30:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 05:30:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 05:30:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-07-21 05:30:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-07-21 05:30:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-07-21 05:30:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-07-21 05:30:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-07-21 05:30:26,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-07-21 05:30:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-07-21 05:30:26,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-07-21 05:30:26,498 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 05:30:26,503 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 05:30:36,865 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 05:30:36,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 05:30:36,885 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 05:30:36,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:30:36 BoogieIcfgContainer [2022-07-21 05:30:36,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 05:30:36,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 05:30:36,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 05:30:36,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 05:30:36,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:30:24" (1/3) ... [2022-07-21 05:30:36,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7f0ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:30:36, skipping insertion in model container [2022-07-21 05:30:36,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:25" (2/3) ... [2022-07-21 05:30:36,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7f0ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:30:36, skipping insertion in model container [2022-07-21 05:30:36,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:30:36" (3/3) ... [2022-07-21 05:30:36,898 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_aso.4.M1.c [2022-07-21 05:30:36,911 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 05:30:36,916 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 05:30:37,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 05:30:37,051 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@482d0f44, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6a54f259 [2022-07-21 05:30:37,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 05:30:37,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 1637 states, 1017 states have (on average 1.2566371681415929) internal successors, (1278), 1048 states have internal predecessors, (1278), 595 states have call successors, (595), 23 states have call predecessors, (595), 23 states have return successors, (595), 593 states have call predecessors, (595), 595 states have call successors, (595) [2022-07-21 05:30:37,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1659 [2022-07-21 05:30:37,195 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:30:37,197 INFO L195 NwaCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:30:37,197 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:30:37,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:30:37,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1806207694, now seen corresponding path program 1 times [2022-07-21 05:30:37,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:30:37,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272842974] [2022-07-21 05:30:37,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:30:37,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms