./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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.3.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 ab9f0c8bf8702d6b09918533becccbdb970411e8ea985342c84585cb962ca4e1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:34:43,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:34:43,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:34:43,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:34:43,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:34:43,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:34:43,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:34:43,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:34:43,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:34:43,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:34:43,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:34:43,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:34:43,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:34:43,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:34:43,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:34:43,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:34:43,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:34:43,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:34:43,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:34:43,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:34:43,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:34:43,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:34:43,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:34:43,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:34:43,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:34:43,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:34:43,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:34:43,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:34:43,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:34:43,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:34:43,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:34:43,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:34:43,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:34:43,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:34:43,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:34:43,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:34:43,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:34:43,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:34:43,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:34:43,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:34:43,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:34:43,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:34:43,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:34:43,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:34:43,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:34:43,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:34:43,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:34:43,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:34:43,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:34:43,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:34:43,188 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:34:43,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:34:43,188 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:34:43,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:34:43,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:34:43,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:34:43,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:34:43,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:34:43,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:34:43,189 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:34:43,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:34:43,190 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:34:43,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:34:43,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:34:43,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:34:43,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:34:43,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:34:43,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:34:43,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:34:43,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:34:43,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:34:43,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:34:43,191 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:34:43,191 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:34:43,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:34:43,192 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab9f0c8bf8702d6b09918533becccbdb970411e8ea985342c84585cb962ca4e1 [2022-02-20 18:34:43,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:34:43,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:34:43,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:34:43,418 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:34:43,418 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:34:43,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c [2022-02-20 18:34:43,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6664c3a/d0fde3e486694b5db35e5fd0537ae8e9/FLAG9b2a4ae32 [2022-02-20 18:34:43,878 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:34:43,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c [2022-02-20 18:34:43,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6664c3a/d0fde3e486694b5db35e5fd0537ae8e9/FLAG9b2a4ae32 [2022-02-20 18:34:43,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6664c3a/d0fde3e486694b5db35e5fd0537ae8e9 [2022-02-20 18:34:43,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:34:43,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:34:43,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:34:43,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:34:43,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:34:43,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:34:43" (1/1) ... [2022-02-20 18:34:43,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475bd651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:43, skipping insertion in model container [2022-02-20 18:34:43,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:34:43" (1/1) ... [2022-02-20 18:34:43,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:34:43,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:34:44,137 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.3.M1.c[2061,2074] [2022-02-20 18:34:44,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:34:44,473 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:34:44,485 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.3.M1.c[2061,2074] [2022-02-20 18:34:44,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:34:44,647 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:34:44,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:44 WrapperNode [2022-02-20 18:34:44,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:34:44,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:34:44,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:34:44,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:34:44,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:44" (1/1) ... [2022-02-20 18:34:44,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:44" (1/1) ... [2022-02-20 18:34:44,898 INFO L137 Inliner]: procedures = 72, calls = 2683, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 5614 [2022-02-20 18:34:44,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:34:44,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:34:44,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:34:44,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:34:44,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:44" (1/1) ... [2022-02-20 18:34:44,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:44" (1/1) ... [2022-02-20 18:34:44,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:44" (1/1) ... [2022-02-20 18:34:44,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:44" (1/1) ... [2022-02-20 18:34:45,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:44" (1/1) ... [2022-02-20 18:34:45,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:44" (1/1) ... [2022-02-20 18:34:45,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:44" (1/1) ... [2022-02-20 18:34:45,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:34:45,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:34:45,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:34:45,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:34:45,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:44" (1/1) ... [2022-02-20 18:34:45,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:34:45,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:34:45,138 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) [2022-02-20 18:34:45,151 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 [2022-02-20 18:34:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:34:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-02-20 18:34:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-02-20 18:34:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-02-20 18:34:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-02-20 18:34:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-02-20 18:34:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-02-20 18:34:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 18:34:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-02-20 18:34:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-02-20 18:34:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-02-20 18:34:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-02-20 18:34:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-02-20 18:34:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-02-20 18:34:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-02-20 18:34:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-02-20 18:34:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 18:34:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-02-20 18:34:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-02-20 18:34:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2022-02-20 18:34:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2022-02-20 18:34:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-02-20 18:34:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-02-20 18:34:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-02-20 18:34:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-02-20 18:34:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-02-20 18:34:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-02-20 18:34:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-02-20 18:34:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-02-20 18:34:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2022-02-20 18:34:45,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2022-02-20 18:34:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-02-20 18:34:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-02-20 18:34:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-02-20 18:34:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-02-20 18:34:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 18:34:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 18:34:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-02-20 18:34:45,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-02-20 18:34:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-02-20 18:34:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-02-20 18:34:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-02-20 18:34:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-02-20 18:34:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-02-20 18:34:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-02-20 18:34:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 18:34:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 18:34:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:34:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:34:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:34:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-02-20 18:34:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-02-20 18:34:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-02-20 18:34:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-02-20 18:34:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-02-20 18:34:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-02-20 18:34:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-02-20 18:34:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-02-20 18:34:45,564 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:34:45,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:34:55,950 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:34:55,971 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:34:55,972 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-20 18:34:55,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:34:55 BoogieIcfgContainer [2022-02-20 18:34:55,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:34:55,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:34:55,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:34:55,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:34:55,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:34:43" (1/3) ... [2022-02-20 18:34:55,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f38b80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:34:55, skipping insertion in model container [2022-02-20 18:34:55,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:34:44" (2/3) ... [2022-02-20 18:34:55,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f38b80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:34:55, skipping insertion in model container [2022-02-20 18:34:55,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:34:55" (3/3) ... [2022-02-20 18:34:55,982 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_aso.3.M1.c [2022-02-20 18:34:55,986 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:34:55,987 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:34:56,030 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:34:56,035 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 18:34:56,036 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:34:56,106 INFO L276 IsEmpty]: Start isEmpty. Operand has 1650 states, 1023 states have (on average 1.2561094819159335) internal successors, (1285), 1055 states have internal predecessors, (1285), 600 states have call successors, (600), 25 states have call predecessors, (600), 25 states have return successors, (600), 598 states have call predecessors, (600), 600 states have call successors, (600) [2022-02-20 18:34:56,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1659 [2022-02-20 18:34:56,199 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:34:56,200 INFO L514 BasicCegarLoop]: 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] [2022-02-20 18:34:56,201 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:34:56,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:34:56,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1503460362, now seen corresponding path program 1 times [2022-02-20 18:34:56,212 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:34:56,213 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409959677] [2022-02-20 18:34:56,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:34:56,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms