/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.3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 01:22:39,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 01:22:39,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 01:22:39,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 01:22:39,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 01:22:39,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 01:22:39,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 01:22:39,430 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 01:22:39,455 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 01:22:39,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 01:22:39,456 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 01:22:39,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 01:22:39,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 01:22:39,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 01:22:39,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 01:22:39,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 01:22:39,457 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 01:22:39,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 01:22:39,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 01:22:39,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 01:22:39,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 01:22:39,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 01:22:39,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 01:22:39,458 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 01:22:39,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 01:22:39,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 01:22:39,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 01:22:39,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 01:22:39,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 01:22:39,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:22:39,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 01:22:39,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 01:22:39,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 01:22:39,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 01:22:39,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 01:22:39,460 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 01:22:39,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 01:22:39,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 01:22:39,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 01:22:39,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 01:22:39,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 01:22:39,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 01:22:39,689 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 01:22:39,689 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 01:22:39,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c [2022-01-10 01:22:39,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1e74b64f/29908319afe84bde94502ddff79be507/FLAG0f70cdd38 [2022-01-10 01:22:40,426 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 01:22:40,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c [2022-01-10 01:22:40,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1e74b64f/29908319afe84bde94502ddff79be507/FLAG0f70cdd38 [2022-01-10 01:22:40,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1e74b64f/29908319afe84bde94502ddff79be507 [2022-01-10 01:22:40,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 01:22:40,763 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 01:22:40,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 01:22:40,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 01:22:40,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 01:22:40,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:22:40" (1/1) ... [2022-01-10 01:22:40,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784bcead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:40, skipping insertion in model container [2022-01-10 01:22:40,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:22:40" (1/1) ... [2022-01-10 01:22:40,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 01:22:40,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 01:22:41,126 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.3-1.c[1870,1883] [2022-01-10 01:22:41,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:22:41,519 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 01:22:41,528 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.3-1.c[1870,1883] [2022-01-10 01:22:41,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:22:41,716 INFO L208 MainTranslator]: Completed translation [2022-01-10 01:22:41,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41 WrapperNode [2022-01-10 01:22:41,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 01:22:41,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 01:22:41,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 01:22:41,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 01:22:41,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41" (1/1) ... [2022-01-10 01:22:41,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41" (1/1) ... [2022-01-10 01:22:41,957 INFO L137 Inliner]: procedures = 99, calls = 2816, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8376 [2022-01-10 01:22:41,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 01:22:41,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 01:22:41,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 01:22:41,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 01:22:41,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41" (1/1) ... [2022-01-10 01:22:41,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41" (1/1) ... [2022-01-10 01:22:42,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41" (1/1) ... [2022-01-10 01:22:42,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41" (1/1) ... [2022-01-10 01:22:42,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41" (1/1) ... [2022-01-10 01:22:42,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41" (1/1) ... [2022-01-10 01:22:42,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41" (1/1) ... [2022-01-10 01:22:42,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 01:22:42,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 01:22:42,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 01:22:42,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 01:22:42,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41" (1/1) ... [2022-01-10 01:22:42,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:22:42,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:22:42,242 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 01:22:42,251 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 01:22:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-01-10 01:22:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-01-10 01:22:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-01-10 01:22:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-01-10 01:22:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-10 01:22:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 01:22:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 01:22:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 01:22:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 01:22:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-01-10 01:22:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-01-10 01:22:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-01-10 01:22:42,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-01-10 01:22:42,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-01-10 01:22:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-01-10 01:22:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-01-10 01:22:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-01-10 01:22:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-01-10 01:22:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-01-10 01:22:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 01:22:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 01:22:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-10 01:22:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 01:22:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 01:22:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-01-10 01:22:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-01-10 01:22:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-01-10 01:22:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-01-10 01:22:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-01-10 01:22:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-01-10 01:22:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-01-10 01:22:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-01-10 01:22:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-01-10 01:22:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-01-10 01:22:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 01:22:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 01:22:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 01:22:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 01:22:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 01:22:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-01-10 01:22:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-01-10 01:22:42,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-01-10 01:22:42,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-01-10 01:22:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-01-10 01:22:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-01-10 01:22:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 01:22:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 01:22:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-01-10 01:22:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-01-10 01:22:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 01:22:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 01:22:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-01-10 01:22:42,284 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-01-10 01:22:42,284 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-01-10 01:22:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-01-10 01:22:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-01-10 01:22:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-01-10 01:22:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-01-10 01:22:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-01-10 01:22:42,285 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-01-10 01:22:42,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-01-10 01:22:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-01-10 01:22:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-01-10 01:22:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 01:22:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 01:22:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-01-10 01:22:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-01-10 01:22:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-01-10 01:22:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-01-10 01:22:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-01-10 01:22:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-01-10 01:22:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-01-10 01:22:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-01-10 01:22:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-01-10 01:22:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-01-10 01:22:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-01-10 01:22:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-01-10 01:22:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-01-10 01:22:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-01-10 01:22:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-01-10 01:22:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-01-10 01:22:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-01-10 01:22:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-01-10 01:22:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-01-10 01:22:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-01-10 01:22:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-01-10 01:22:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-01-10 01:22:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-01-10 01:22:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-01-10 01:22:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 01:22:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-01-10 01:22:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-01-10 01:22:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 01:22:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 01:22:42,754 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 01:22:42,755 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 01:22:59,167 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 01:22:59,183 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 01:22:59,184 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-10 01:22:59,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:22:59 BoogieIcfgContainer [2022-01-10 01:22:59,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 01:22:59,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 01:22:59,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 01:22:59,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 01:22:59,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:22:40" (1/3) ... [2022-01-10 01:22:59,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44252889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:22:59, skipping insertion in model container [2022-01-10 01:22:59,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41" (2/3) ... [2022-01-10 01:22:59,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44252889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:22:59, skipping insertion in model container [2022-01-10 01:22:59,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:22:59" (3/3) ... [2022-01-10 01:22:59,192 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-1.c [2022-01-10 01:22:59,195 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 01:22:59,196 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 01:22:59,233 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 01:22:59,237 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 01:22:59,238 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 01:22:59,274 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 01:22:59,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-01-10 01:22:59,283 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:22:59,284 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 01:22:59,284 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:22:59,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:22:59,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1381223433, now seen corresponding path program 1 times [2022-01-10 01:22:59,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:22:59,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36529376] [2022-01-10 01:22:59,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:22:59,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms