./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 6c24879c 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-?-6c24879 [2022-07-12 06:49:26,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 06:49:26,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 06:49:26,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 06:49:26,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 06:49:26,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 06:49:26,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 06:49:26,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 06:49:26,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 06:49:26,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 06:49:26,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 06:49:26,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 06:49:26,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 06:49:26,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 06:49:26,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 06:49:26,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 06:49:26,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 06:49:26,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 06:49:26,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 06:49:26,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 06:49:26,987 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 06:49:26,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 06:49:26,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 06:49:26,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 06:49:26,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 06:49:26,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 06:49:26,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 06:49:26,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 06:49:26,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 06:49:26,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 06:49:26,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 06:49:26,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 06:49:26,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 06:49:26,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 06:49:27,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 06:49:27,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 06:49:27,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 06:49:27,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 06:49:27,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 06:49:27,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 06:49:27,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 06:49:27,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 06:49:27,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 06:49:27,035 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 06:49:27,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 06:49:27,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 06:49:27,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 06:49:27,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 06:49:27,042 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 06:49:27,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 06:49:27,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 06:49:27,043 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 06:49:27,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 06:49:27,044 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 06:49:27,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 06:49:27,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 06:49:27,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 06:49:27,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 06:49:27,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 06:49:27,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 06:49:27,045 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 06:49:27,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 06:49:27,046 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 06:49:27,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 06:49:27,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 06:49:27,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 06:49:27,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 06:49:27,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:49:27,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 06:49:27,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 06:49:27,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 06:49:27,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 06:49:27,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 06:49:27,048 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 06:49:27,048 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 06:49:27,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 06:49:27,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e24bd3d387a8dc9f49a28dec971e10112e01621b85a87c6eb3a0cec4db0bef2 [2022-07-12 06:49:27,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 06:49:27,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 06:49:27,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 06:49:27,344 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 06:49:27,345 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 06:49:27,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c [2022-07-12 06:49:27,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba6dedf0/4910d6fb98374bd39a94db8f32a57580/FLAGdfb701297 [2022-07-12 06:49:28,012 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 06:49:28,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.4.M1.c [2022-07-12 06:49:28,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba6dedf0/4910d6fb98374bd39a94db8f32a57580/FLAGdfb701297 [2022-07-12 06:49:28,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ba6dedf0/4910d6fb98374bd39a94db8f32a57580 [2022-07-12 06:49:28,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 06:49:28,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 06:49:28,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 06:49:28,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 06:49:28,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 06:49:28,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:49:28" (1/1) ... [2022-07-12 06:49:28,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e498cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:28, skipping insertion in model container [2022-07-12 06:49:28,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 06:49:28" (1/1) ... [2022-07-12 06:49:28,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 06:49:28,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 06:49:28,675 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] [2022-07-12 06:49:29,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:49:29,130 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 06:49:29,150 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] [2022-07-12 06:49:29,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 06:49:29,379 INFO L208 MainTranslator]: Completed translation [2022-07-12 06:49:29,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:29 WrapperNode [2022-07-12 06:49:29,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 06:49:29,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 06:49:29,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 06:49:29,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 06:49:29,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:29" (1/1) ... [2022-07-12 06:49:29,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:29" (1/1) ... [2022-07-12 06:49:29,661 INFO L137 Inliner]: procedures = 72, calls = 2680, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 5657 [2022-07-12 06:49:29,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 06:49:29,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 06:49:29,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 06:49:29,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 06:49:29,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:29" (1/1) ... [2022-07-12 06:49:29,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:29" (1/1) ... [2022-07-12 06:49:29,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:29" (1/1) ... [2022-07-12 06:49:29,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:29" (1/1) ... [2022-07-12 06:49:29,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:29" (1/1) ... [2022-07-12 06:49:29,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:29" (1/1) ... [2022-07-12 06:49:29,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:29" (1/1) ... [2022-07-12 06:49:29,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 06:49:29,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 06:49:29,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 06:49:29,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 06:49:29,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:29" (1/1) ... [2022-07-12 06:49:29,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 06:49:30,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 06:49:30,025 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) [2022-07-12 06:49:30,035 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 [2022-07-12 06:49:30,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 06:49:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-07-12 06:49:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-07-12 06:49:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-07-12 06:49:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-07-12 06:49:30,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-07-12 06:49:30,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-07-12 06:49:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 06:49:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-07-12 06:49:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-07-12 06:49:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-07-12 06:49:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-07-12 06:49:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-07-12 06:49:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-07-12 06:49:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-07-12 06:49:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-07-12 06:49:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 06:49:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-07-12 06:49:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-07-12 06:49:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-07-12 06:49:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-07-12 06:49:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-07-12 06:49:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-07-12 06:49:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-07-12 06:49:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-07-12 06:49:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-07-12 06:49:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-07-12 06:49:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-07-12 06:49:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-07-12 06:49:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-07-12 06:49:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-07-12 06:49:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 06:49:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 06:49:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-07-12 06:49:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-07-12 06:49:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-07-12 06:49:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-07-12 06:49:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-07-12 06:49:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-07-12 06:49:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-07-12 06:49:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-07-12 06:49:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 06:49:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 06:49:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 06:49:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 06:49:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 06:49:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-07-12 06:49:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-07-12 06:49:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-07-12 06:49:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-07-12 06:49:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-07-12 06:49:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-07-12 06:49:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-07-12 06:49:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-07-12 06:49:30,624 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 06:49:30,626 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 06:49:42,051 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 06:49:42,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 06:49:42,092 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 06:49:42,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:49:42 BoogieIcfgContainer [2022-07-12 06:49:42,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 06:49:42,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 06:49:42,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 06:49:42,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 06:49:42,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 06:49:28" (1/3) ... [2022-07-12 06:49:42,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0f58c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:49:42, skipping insertion in model container [2022-07-12 06:49:42,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 06:49:29" (2/3) ... [2022-07-12 06:49:42,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0f58c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 06:49:42, skipping insertion in model container [2022-07-12 06:49:42,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 06:49:42" (3/3) ... [2022-07-12 06:49:42,104 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_aso.4.M1.c [2022-07-12 06:49:42,119 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 06:49:42,120 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 06:49:42,244 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 06:49:42,252 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@4030505, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@676dbbfc [2022-07-12 06:49:42,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 06:49:42,265 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) [2022-07-12 06:49:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1659 [2022-07-12 06:49:42,382 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 06:49:42,384 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] [2022-07-12 06:49:42,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 06:49:42,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 06:49:42,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1806207694, now seen corresponding path program 1 times [2022-07-12 06:49:42,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 06:49:42,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533624808] [2022-07-12 06:49:42,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 06:49:42,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms