/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.2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 01:22:39,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 01:22:39,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 01:22:39,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 01:22:39,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 01:22:39,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 01:22:39,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 01:22:39,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 01:22:39,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 01:22:39,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 01:22:39,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 01:22:39,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 01:22:39,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 01:22:39,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 01:22:39,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 01:22:39,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 01:22:39,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 01:22:39,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 01:22:39,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 01:22:39,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 01:22:39,826 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 01:22:39,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 01:22:39,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 01:22:39,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 01:22:39,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 01:22:39,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 01:22:39,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 01:22:39,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 01:22:39,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 01:22:39,857 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 01:22:39,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 01:22:39,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 01:22:39,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 01:22:39,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 01:22:39,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 01:22:39,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 01:22:39,858 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 01:22:39,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 01:22:39,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 01:22:39,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 01:22:39,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 01:22:39,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 01:22:39,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:22:39,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 01:22:39,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 01:22:39,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 01:22:39,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 01:22:39,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 01:22:39,859 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 01:22:39,859 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 01:22:39,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 01:22:39,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 01:22:40,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 01:22:40,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 01:22:40,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 01:22:40,070 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 01:22:40,071 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 01:22:40,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-2.c [2022-01-10 01:22:40,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f04f0e5/bc482dc81895485cb3972a568232f689/FLAG584cc32a4 [2022-01-10 01:22:40,867 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 01:22:40,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-2.c [2022-01-10 01:22:40,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f04f0e5/bc482dc81895485cb3972a568232f689/FLAG584cc32a4 [2022-01-10 01:22:41,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83f04f0e5/bc482dc81895485cb3972a568232f689 [2022-01-10 01:22:41,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 01:22:41,134 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 01:22:41,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 01:22:41,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 01:22:41,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 01:22:41,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:22:41" (1/1) ... [2022-01-10 01:22:41,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36875632 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:41, skipping insertion in model container [2022-01-10 01:22:41,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:22:41" (1/1) ... [2022-01-10 01:22:41,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 01:22:41,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 01:22:41,455 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.2-2.c[1870,1883] [2022-01-10 01:22:42,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:22:42,196 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 01:22:42,207 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.2-2.c[1870,1883] [2022-01-10 01:22:42,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:22:42,415 INFO L208 MainTranslator]: Completed translation [2022-01-10 01:22:42,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:42 WrapperNode [2022-01-10 01:22:42,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 01:22:42,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 01:22:42,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 01:22:42,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 01:22:42,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:42" (1/1) ... [2022-01-10 01:22:42,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:42" (1/1) ... [2022-01-10 01:22:42,630 INFO L137 Inliner]: procedures = 99, calls = 2725, calls flagged for inlining = 34, calls inlined = 34, statements flattened = 8221 [2022-01-10 01:22:42,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 01:22:42,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 01:22:42,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 01:22:42,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 01:22:42,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:42" (1/1) ... [2022-01-10 01:22:42,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:42" (1/1) ... [2022-01-10 01:22:42,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:42" (1/1) ... [2022-01-10 01:22:42,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:42" (1/1) ... [2022-01-10 01:22:42,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:42" (1/1) ... [2022-01-10 01:22:42,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:42" (1/1) ... [2022-01-10 01:22:42,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:42" (1/1) ... [2022-01-10 01:22:42,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 01:22:42,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 01:22:42,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 01:22:42,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 01:22:42,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:42" (1/1) ... [2022-01-10 01:22:42,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:22:42,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:22:42,984 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 01:22:42,990 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 01:22:43,013 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-01-10 01:22:43,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-01-10 01:22:43,013 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-01-10 01:22:43,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-01-10 01:22:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-10 01:22:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 01:22:43,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 01:22:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 01:22:43,014 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 01:22:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-01-10 01:22:43,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-01-10 01:22:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-01-10 01:22:43,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-01-10 01:22:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-01-10 01:22:43,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-01-10 01:22:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-01-10 01:22:43,014 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-01-10 01:22:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-01-10 01:22:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-01-10 01:22:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 01:22:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 01:22:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-10 01:22:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 01:22:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 01:22:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-01-10 01:22:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-01-10 01:22:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-01-10 01:22:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-01-10 01:22:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-01-10 01:22:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-01-10 01:22:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-01-10 01:22:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-01-10 01:22:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-01-10 01:22:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-01-10 01:22:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 01:22:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 01:22:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 01:22:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 01:22:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 01:22:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-01-10 01:22:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-01-10 01:22:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-01-10 01:22:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-01-10 01:22:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-01-10 01:22:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-01-10 01:22:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 01:22:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 01:22:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-01-10 01:22:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-01-10 01:22:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 01:22:43,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 01:22:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-01-10 01:22:43,017 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-01-10 01:22:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-01-10 01:22:43,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-01-10 01:22:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-01-10 01:22:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-01-10 01:22:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-01-10 01:22:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-01-10 01:22:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-01-10 01:22:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-01-10 01:22:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-01-10 01:22:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-01-10 01:22:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 01:22:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 01:22:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-01-10 01:22:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-01-10 01:22:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-01-10 01:22:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-01-10 01:22:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-01-10 01:22:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-01-10 01:22:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-01-10 01:22:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-01-10 01:22:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-01-10 01:22:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-01-10 01:22:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-01-10 01:22:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-01-10 01:22:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-01-10 01:22:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-01-10 01:22:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-01-10 01:22:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-01-10 01:22:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-01-10 01:22:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-01-10 01:22:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-01-10 01:22:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-01-10 01:22:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-01-10 01:22:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-01-10 01:22:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-01-10 01:22:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-01-10 01:22:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2022-01-10 01:22:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2022-01-10 01:22:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 01:22:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-01-10 01:22:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-01-10 01:22:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 01:22:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 01:22:43,573 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 01:22:43,575 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 01:22:57,901 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 01:22:57,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 01:22:57,919 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-10 01:22:57,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:22:57 BoogieIcfgContainer [2022-01-10 01:22:57,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 01:22:57,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 01:22:57,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 01:22:57,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 01:22:57,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:22:41" (1/3) ... [2022-01-10 01:22:57,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2eddde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:22:57, skipping insertion in model container [2022-01-10 01:22:57,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:22:42" (2/3) ... [2022-01-10 01:22:57,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2eddde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:22:57, skipping insertion in model container [2022-01-10 01:22:57,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:22:57" (3/3) ... [2022-01-10 01:22:57,929 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-2.c [2022-01-10 01:22:57,933 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 01:22:57,934 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 01:22:57,976 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 01:22:57,983 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 01:22:57,984 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 01:22:58,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 2460 states, 2109 states have (on average 1.4803224276908487) internal successors, (3122), 2133 states have internal predecessors, (3122), 304 states have call successors, (304), 45 states have call predecessors, (304), 45 states have return successors, (304), 294 states have call predecessors, (304), 304 states have call successors, (304) [2022-01-10 01:22:58,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-01-10 01:22:58,064 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:22:58,065 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 01:22:58,066 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:22:58,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:22:58,070 INFO L85 PathProgramCache]: Analyzing trace with hash -646402178, now seen corresponding path program 1 times [2022-01-10 01:22:58,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:22:58,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268917381] [2022-01-10 01:22:58,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:22:58,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms