/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.3-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 01:22:41,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 01:22:41,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 01:22:41,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 01:22:41,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 01:22:41,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 01:22:41,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 01:22:41,915 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 01:22:41,938 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 01:22:41,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 01:22:41,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 01:22:41,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 01:22:41,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 01:22:41,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 01:22:41,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 01:22:41,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 01:22:41,946 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 01:22:41,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 01:22:41,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 01:22:41,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 01:22:41,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 01:22:41,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 01:22:41,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 01:22:41,947 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 01:22:41,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 01:22:41,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 01:22:41,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 01:22:41,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 01:22:41,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 01:22:41,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:22:41,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 01:22:41,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 01:22:41,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 01:22:41,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 01:22:41,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 01:22:41,948 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 01:22:41,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 01:22:41,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 01:22:41,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 01:22:42,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 01:22:42,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 01:22:42,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 01:22:42,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 01:22:42,224 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 01:22:42,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c [2022-01-10 01:22:42,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c282de949/e883bba4b4e349019b8ac59fdb991abe/FLAG0459d0e7c [2022-01-10 01:22:42,875 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 01:22:42,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c [2022-01-10 01:22:42,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c282de949/e883bba4b4e349019b8ac59fdb991abe/FLAG0459d0e7c [2022-01-10 01:22:43,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c282de949/e883bba4b4e349019b8ac59fdb991abe [2022-01-10 01:22:43,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 01:22:43,098 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 01:22:43,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 01:22:43,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 01:22:43,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 01:22:43,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:22:43" (1/1) ... [2022-01-10 01:22:43,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebb13f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:43, skipping insertion in model container [2022-01-10 01:22:43,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:22:43" (1/1) ... [2022-01-10 01:22:43,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 01:22:43,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 01:22:43,366 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.3-2.c[1871,1884] [2022-01-10 01:22:43,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:22:43,891 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 01:22:43,906 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.3-2.c[1871,1884] [2022-01-10 01:22:44,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:22:44,243 INFO L208 MainTranslator]: Completed translation [2022-01-10 01:22:44,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:44 WrapperNode [2022-01-10 01:22:44,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 01:22:44,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 01:22:44,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 01:22:44,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 01:22:44,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:44" (1/1) ... [2022-01-10 01:22:44,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:44" (1/1) ... [2022-01-10 01:22:44,568 INFO L137 Inliner]: procedures = 99, calls = 2816, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8376 [2022-01-10 01:22:44,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 01:22:44,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 01:22:44,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 01:22:44,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 01:22:44,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:44" (1/1) ... [2022-01-10 01:22:44,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:44" (1/1) ... [2022-01-10 01:22:44,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:44" (1/1) ... [2022-01-10 01:22:44,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:44" (1/1) ... [2022-01-10 01:22:44,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:44" (1/1) ... [2022-01-10 01:22:44,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:44" (1/1) ... [2022-01-10 01:22:44,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:44" (1/1) ... [2022-01-10 01:22:44,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 01:22:44,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 01:22:44,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 01:22:44,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 01:22:44,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:44" (1/1) ... [2022-01-10 01:22:44,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:22:44,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:22:44,933 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 01:22:44,965 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 01:22:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-01-10 01:22:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-01-10 01:22:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-01-10 01:22:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-01-10 01:22:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-10 01:22:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 01:22:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 01:22:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 01:22:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 01:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-01-10 01:22:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-01-10 01:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-01-10 01:22:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-01-10 01:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-01-10 01:22:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-01-10 01:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-01-10 01:22:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-01-10 01:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-01-10 01:22:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-01-10 01:22:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 01:22:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 01:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-10 01:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 01:22:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 01:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-01-10 01:22:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-01-10 01:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-01-10 01:22:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-01-10 01:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-01-10 01:22:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-01-10 01:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-01-10 01:22:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-01-10 01:22:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-01-10 01:22:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-01-10 01:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 01:22:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 01:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 01:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 01:22:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 01:22:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-01-10 01:22:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-01-10 01:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-01-10 01:22:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-01-10 01:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-01-10 01:22:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-01-10 01:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 01:22:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 01:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-01-10 01:22:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-01-10 01:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 01:22:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 01:22:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-01-10 01:22:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-01-10 01:22:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-01-10 01:22:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-01-10 01:22:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-01-10 01:22:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-01-10 01:22:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-01-10 01:22:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-01-10 01:22:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-01-10 01:22:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-01-10 01:22:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-01-10 01:22:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-01-10 01:22:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 01:22:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 01:22:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-01-10 01:22:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-01-10 01:22:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-01-10 01:22:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-01-10 01:22:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-01-10 01:22:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-01-10 01:22:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-01-10 01:22:44,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-01-10 01:22:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-01-10 01:22:44,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-01-10 01:22:44,990 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-01-10 01:22:44,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-01-10 01:22:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-01-10 01:22:44,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-01-10 01:22:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-01-10 01:22:44,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-01-10 01:22:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-01-10 01:22:44,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-01-10 01:22:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-01-10 01:22:44,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-01-10 01:22:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-01-10 01:22:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-01-10 01:22:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-01-10 01:22:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-01-10 01:22:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 01:22:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-01-10 01:22:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-01-10 01:22:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 01:22:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 01:22:45,587 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 01:22:45,589 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 01:23:03,824 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 01:23:03,851 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 01:23:03,852 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-10 01:23:03,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:23:03 BoogieIcfgContainer [2022-01-10 01:23:03,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 01:23:03,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 01:23:03,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 01:23:03,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 01:23:03,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:22:43" (1/3) ... [2022-01-10 01:23:03,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3447997b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:23:03, skipping insertion in model container [2022-01-10 01:23:03,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:44" (2/3) ... [2022-01-10 01:23:03,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3447997b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:23:03, skipping insertion in model container [2022-01-10 01:23:03,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:23:03" (3/3) ... [2022-01-10 01:23:03,869 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-2.c [2022-01-10 01:23:03,874 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 01:23:03,875 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 01:23:03,938 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 01:23:03,946 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 01:23:03,947 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 01:23:04,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 2465 states, 2113 states have (on average 1.4803596781826787) internal successors, (3128), 2137 states have internal predecessors, (3128), 306 states have call successors, (306), 44 states have call predecessors, (306), 44 states have return successors, (306), 296 states have call predecessors, (306), 306 states have call successors, (306) [2022-01-10 01:23:04,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-01-10 01:23:04,050 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:23:04,051 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 01:23:04,052 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:23:04,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:23:04,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1381223433, now seen corresponding path program 1 times [2022-01-10 01:23:04,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:23:04,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541000158] [2022-01-10 01:23:04,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:23:04,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms