/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.2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 01:22:36,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 01:22:36,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 01:22:36,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 01:22:36,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 01:22:36,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 01:22:36,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 01:22:36,744 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 01:22:36,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 01:22:36,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 01:22:36,768 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 01:22:36,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 01:22:36,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 01:22:36,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 01:22:36,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 01:22:36,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 01:22:36,770 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 01:22:36,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 01:22:36,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 01:22:36,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 01:22:36,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 01:22:36,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 01:22:36,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 01:22:36,771 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 01:22:36,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 01:22:36,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 01:22:36,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 01:22:36,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 01:22:36,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 01:22:36,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:22:36,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 01:22:36,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 01:22:36,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 01:22:36,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 01:22:36,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 01:22:36,773 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 01:22:36,773 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 01:22:36,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 01:22:36,773 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 01:22:36,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 01:22:36,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 01:22:36,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 01:22:36,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 01:22:36,962 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 01:22:36,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2022-01-10 01:22:37,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0aa46edd/2f3b28d21dd945cc816336217eb002ca/FLAG437cce3dd [2022-01-10 01:22:37,470 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 01:22:37,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2022-01-10 01:22:37,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0aa46edd/2f3b28d21dd945cc816336217eb002ca/FLAG437cce3dd [2022-01-10 01:22:37,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0aa46edd/2f3b28d21dd945cc816336217eb002ca [2022-01-10 01:22:37,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 01:22:37,760 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 01:22:37,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 01:22:37,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 01:22:37,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 01:22:37,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:22:37" (1/1) ... [2022-01-10 01:22:37,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f3c6dac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:37, skipping insertion in model container [2022-01-10 01:22:37,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:22:37" (1/1) ... [2022-01-10 01:22:37,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 01:22:37,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 01:22:38,005 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.2-1.c[1871,1884] [2022-01-10 01:22:38,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:22:38,375 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 01:22:38,384 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.2-1.c[1871,1884] [2022-01-10 01:22:38,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:22:38,556 INFO L208 MainTranslator]: Completed translation [2022-01-10 01:22:38,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:38 WrapperNode [2022-01-10 01:22:38,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 01:22:38,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 01:22:38,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 01:22:38,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 01:22:38,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:38" (1/1) ... [2022-01-10 01:22:38,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:38" (1/1) ... [2022-01-10 01:22:38,846 INFO L137 Inliner]: procedures = 99, calls = 2724, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8254 [2022-01-10 01:22:38,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 01:22:38,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 01:22:38,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 01:22:38,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 01:22:38,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:38" (1/1) ... [2022-01-10 01:22:38,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:38" (1/1) ... [2022-01-10 01:22:38,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:38" (1/1) ... [2022-01-10 01:22:38,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:38" (1/1) ... [2022-01-10 01:22:39,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:38" (1/1) ... [2022-01-10 01:22:39,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:38" (1/1) ... [2022-01-10 01:22:39,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:38" (1/1) ... [2022-01-10 01:22:39,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 01:22:39,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 01:22:39,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 01:22:39,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 01:22:39,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:38" (1/1) ... [2022-01-10 01:22:39,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:22:39,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:22:39,177 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 01:22:39,189 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 01:22:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-01-10 01:22:39,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-01-10 01:22:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-01-10 01:22:39,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-01-10 01:22:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-10 01:22:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 01:22:39,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 01:22:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 01:22:39,210 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 01:22:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-01-10 01:22:39,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-01-10 01:22:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-01-10 01:22:39,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-01-10 01:22:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-01-10 01:22:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-01-10 01:22:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-01-10 01:22:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-01-10 01:22:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-01-10 01:22:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-01-10 01:22:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 01:22:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 01:22:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-10 01:22:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 01:22:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 01:22:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-01-10 01:22:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-01-10 01:22:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-01-10 01:22:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-01-10 01:22:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-01-10 01:22:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-01-10 01:22:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-01-10 01:22:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-01-10 01:22:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-01-10 01:22:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-01-10 01:22:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 01:22:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 01:22:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 01:22:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 01:22:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 01:22:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-01-10 01:22:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-01-10 01:22:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-01-10 01:22:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-01-10 01:22:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-01-10 01:22:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-01-10 01:22:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 01:22:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 01:22:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-01-10 01:22:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-01-10 01:22:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 01:22:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 01:22:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-01-10 01:22:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-01-10 01:22:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-01-10 01:22:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-01-10 01:22:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-01-10 01:22:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-01-10 01:22:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-01-10 01:22:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-01-10 01:22:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-01-10 01:22:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-01-10 01:22:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-01-10 01:22:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-01-10 01:22:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 01:22:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 01:22:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-01-10 01:22:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-01-10 01:22:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-01-10 01:22:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-01-10 01:22:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-01-10 01:22:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-01-10 01:22:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-01-10 01:22:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-01-10 01:22:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-01-10 01:22:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-01-10 01:22:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-01-10 01:22:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-01-10 01:22:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-01-10 01:22:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-01-10 01:22:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-01-10 01:22:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-01-10 01:22:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-01-10 01:22:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-01-10 01:22:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-01-10 01:22:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-01-10 01:22:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-01-10 01:22:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-01-10 01:22:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2022-01-10 01:22:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2022-01-10 01:22:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 01:22:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-01-10 01:22:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-01-10 01:22:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 01:22:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 01:22:39,691 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 01:22:39,692 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 01:22:52,288 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 01:22:52,304 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 01:22:52,305 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-10 01:22:52,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:22:52 BoogieIcfgContainer [2022-01-10 01:22:52,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 01:22:52,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 01:22:52,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 01:22:52,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 01:22:52,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:22:37" (1/3) ... [2022-01-10 01:22:52,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4712e706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:22:52, skipping insertion in model container [2022-01-10 01:22:52,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:38" (2/3) ... [2022-01-10 01:22:52,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4712e706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:22:52, skipping insertion in model container [2022-01-10 01:22:52,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:22:52" (3/3) ... [2022-01-10 01:22:52,320 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-1.c [2022-01-10 01:22:52,324 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 01:22:52,325 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 01:22:52,381 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 01:22:52,387 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 01:22:52,387 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 01:22:52,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 2453 states, 2105 states have (on average 1.4807600950118764) internal successors, (3117), 2129 states have internal predecessors, (3117), 302 states have call successors, (302), 44 states have call predecessors, (302), 44 states have return successors, (302), 292 states have call predecessors, (302), 302 states have call successors, (302) [2022-01-10 01:22:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-01-10 01:22:52,460 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:22:52,461 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 01:22:52,461 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:22:52,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:22:52,465 INFO L85 PathProgramCache]: Analyzing trace with hash -134003326, now seen corresponding path program 1 times [2022-01-10 01:22:52,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:22:52,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161202774] [2022-01-10 01:22:52,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:22:52,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms