/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 01:22:34,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 01:22:34,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 01:22:34,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 01:22:34,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 01:22:34,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 01:22:34,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 01:22:34,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 01:22:34,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 01:22:34,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 01:22:34,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 01:22:34,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 01:22:34,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 01:22:34,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 01:22:34,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 01:22:34,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 01:22:34,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 01:22:34,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 01:22:34,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 01:22:34,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 01:22:34,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 01:22:34,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 01:22:34,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 01:22:34,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 01:22:34,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 01:22:34,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 01:22:34,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 01:22:34,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 01:22:34,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 01:22:34,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 01:22:34,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 01:22:34,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 01:22:34,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 01:22:34,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 01:22:34,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 01:22:34,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 01:22:34,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 01:22:34,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 01:22:34,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 01:22:34,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 01:22:34,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 01:22:34,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf [2022-01-10 01:22:34,198 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 01:22:34,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 01:22:34,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 01:22:34,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 01:22:34,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 01:22:34,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 01:22:34,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 01:22:34,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 01:22:34,200 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 01:22:34,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 01:22:34,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 01:22:34,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 01:22:34,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 01:22:34,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 01:22:34,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 01:22:34,202 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 01:22:34,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 01:22:34,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 01:22:34,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 01:22:34,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 01:22:34,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 01:22:34,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:22:34,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 01:22:34,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 01:22:34,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 01:22:34,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 01:22:34,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 01:22:34,204 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 01:22:34,204 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 01:22:34,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 01:22:34,204 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 01:22:34,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 01:22:34,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 01:22:34,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 01:22:34,455 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 01:22:34,455 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 01:22:34,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.1.c [2022-01-10 01:22:34,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23976d69e/586752e3e7ec4488808e0057e25162d6/FLAG840f6788b [2022-01-10 01:22:35,105 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 01:22:35,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.1.c [2022-01-10 01:22:35,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23976d69e/586752e3e7ec4488808e0057e25162d6/FLAG840f6788b [2022-01-10 01:22:35,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23976d69e/586752e3e7ec4488808e0057e25162d6 [2022-01-10 01:22:35,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 01:22:35,309 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 01:22:35,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 01:22:35,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 01:22:35,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 01:22:35,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:22:35" (1/1) ... [2022-01-10 01:22:35,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74728bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:35, skipping insertion in model container [2022-01-10 01:22:35,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:22:35" (1/1) ... [2022-01-10 01:22:35,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 01:22:35,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 01:22:35,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2022-01-10 01:22:36,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:22:36,171 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 01:22:36,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2022-01-10 01:22:36,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:22:36,430 INFO L208 MainTranslator]: Completed translation [2022-01-10 01:22:36,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:36 WrapperNode [2022-01-10 01:22:36,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 01:22:36,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 01:22:36,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 01:22:36,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 01:22:36,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:36" (1/1) ... [2022-01-10 01:22:36,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:36" (1/1) ... [2022-01-10 01:22:36,708 INFO L137 Inliner]: procedures = 99, calls = 2727, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8247 [2022-01-10 01:22:36,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 01:22:36,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 01:22:36,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 01:22:36,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 01:22:36,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:36" (1/1) ... [2022-01-10 01:22:36,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:36" (1/1) ... [2022-01-10 01:22:36,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:36" (1/1) ... [2022-01-10 01:22:36,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:36" (1/1) ... [2022-01-10 01:22:36,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:36" (1/1) ... [2022-01-10 01:22:36,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:36" (1/1) ... [2022-01-10 01:22:36,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:36" (1/1) ... [2022-01-10 01:22:36,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 01:22:36,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 01:22:36,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 01:22:36,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 01:22:36,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:36" (1/1) ... [2022-01-10 01:22:36,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:22:37,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:22:37,025 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) [2022-01-10 01:22:37,042 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 [2022-01-10 01:22:37,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-01-10 01:22:37,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-01-10 01:22:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-01-10 01:22:37,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-01-10 01:22:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-10 01:22:37,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 01:22:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 01:22:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 01:22:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 01:22:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-01-10 01:22:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-01-10 01:22:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-01-10 01:22:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-01-10 01:22:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-01-10 01:22:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-01-10 01:22:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-01-10 01:22:37,069 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-01-10 01:22:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-01-10 01:22:37,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-01-10 01:22:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 01:22:37,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 01:22:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-10 01:22:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 01:22:37,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 01:22:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-01-10 01:22:37,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-01-10 01:22:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-01-10 01:22:37,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-01-10 01:22:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-01-10 01:22:37,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-01-10 01:22:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-01-10 01:22:37,071 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-01-10 01:22:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-01-10 01:22:37,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-01-10 01:22:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 01:22:37,071 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 01:22:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 01:22:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 01:22:37,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 01:22:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-01-10 01:22:37,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-01-10 01:22:37,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-01-10 01:22:37,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-01-10 01:22:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-01-10 01:22:37,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-01-10 01:22:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 01:22:37,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 01:22:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-01-10 01:22:37,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-01-10 01:22:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 01:22:37,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 01:22:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-01-10 01:22:37,073 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-01-10 01:22:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-01-10 01:22:37,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-01-10 01:22:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-01-10 01:22:37,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-01-10 01:22:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-01-10 01:22:37,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-01-10 01:22:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-01-10 01:22:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-01-10 01:22:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-01-10 01:22:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-01-10 01:22:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 01:22:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 01:22:37,074 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-01-10 01:22:37,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-01-10 01:22:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-01-10 01:22:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-01-10 01:22:37,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-01-10 01:22:37,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-01-10 01:22:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-01-10 01:22:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-01-10 01:22:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-01-10 01:22:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-01-10 01:22:37,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-01-10 01:22:37,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-01-10 01:22:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-01-10 01:22:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-01-10 01:22:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-01-10 01:22:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-01-10 01:22:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-01-10 01:22:37,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-01-10 01:22:37,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-01-10 01:22:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-01-10 01:22:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-01-10 01:22:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-01-10 01:22:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-01-10 01:22:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-01-10 01:22:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 01:22:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-01-10 01:22:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-01-10 01:22:37,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 01:22:37,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 01:22:37,630 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 01:22:37,633 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 01:22:50,997 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 01:22:51,026 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 01:22:51,026 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-10 01:22:51,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:22:51 BoogieIcfgContainer [2022-01-10 01:22:51,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 01:22:51,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 01:22:51,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 01:22:51,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 01:22:51,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:22:35" (1/3) ... [2022-01-10 01:22:51,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b446708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:22:51, skipping insertion in model container [2022-01-10 01:22:51,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:36" (2/3) ... [2022-01-10 01:22:51,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b446708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:22:51, skipping insertion in model container [2022-01-10 01:22:51,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:22:51" (3/3) ... [2022-01-10 01:22:51,041 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_ctm.1.c [2022-01-10 01:22:51,046 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 01:22:51,047 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 01:22:51,101 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 01:22:51,108 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 [2022-01-10 01:22:51,108 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 01:22:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 2464 states, 2113 states have (on average 1.480832938949361) internal successors, (3129), 2137 states have internal predecessors, (3129), 305 states have call successors, (305), 44 states have call predecessors, (305), 44 states have return successors, (305), 295 states have call predecessors, (305), 305 states have call successors, (305) [2022-01-10 01:22:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-01-10 01:22:51,192 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:22:51,193 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 01:22:51,194 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:22:51,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:22:51,202 INFO L85 PathProgramCache]: Analyzing trace with hash 463341211, now seen corresponding path program 1 times [2022-01-10 01:22:51,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:22:51,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481524373] [2022-01-10 01:22:51,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:22:51,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms