/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:31:34,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:31:34,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:31:34,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:31:34,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:31:34,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:31:34,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:31:34,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:31:34,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:31:34,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:31:34,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:31:34,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:31:34,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:31:34,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:31:34,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:31:34,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:31:34,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:31:34,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:31:34,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:31:34,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:31:34,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:31:34,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:31:34,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:31:34,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:31:34,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:31:34,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:31:34,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:31:34,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:31:34,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:31:34,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:31:34,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:31:34,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:31:34,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:31:34,910 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:31:34,910 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:31:34,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:31:34,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:31:34,914 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:31:34,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:31:34,915 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:31:34,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:31:34,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:31:34,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:31:34,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:31:34,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:31:34,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:31:34,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:31:34,917 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:31:34,918 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:31:34,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:31:34,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:31:34,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:31:34,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:31:34,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:31:34,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:31:34,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:31:34,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:31:34,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:31:34,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:31:34,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:31:34,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:31:34,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:31:34,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:31:35,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:31:35,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:31:35,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:31:35,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:31:35,379 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:31:35,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2022-10-16 15:31:35,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56018611/3ca278a95ffb42db8f8f3d51b8ce168b/FLAGbc0803a71 [2022-10-16 15:31:36,484 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:31:36,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2022-10-16 15:31:36,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56018611/3ca278a95ffb42db8f8f3d51b8ce168b/FLAGbc0803a71 [2022-10-16 15:31:36,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56018611/3ca278a95ffb42db8f8f3d51b8ce168b [2022-10-16 15:31:36,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:31:36,887 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:31:36,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:31:36,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:31:36,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:31:36,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:31:36" (1/1) ... [2022-10-16 15:31:36,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee6787f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:36, skipping insertion in model container [2022-10-16 15:31:36,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:31:36" (1/1) ... [2022-10-16 15:31:36,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:31:37,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:31:37,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c[2216,2229] [2022-10-16 15:31:38,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:31:38,517 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:31:38,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c[2216,2229] [2022-10-16 15:31:39,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:31:39,240 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:31:39,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39 WrapperNode [2022-10-16 15:31:39,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:31:39,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:31:39,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:31:39,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:31:39,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39" (1/1) ... [2022-10-16 15:31:39,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39" (1/1) ... [2022-10-16 15:31:40,180 INFO L138 Inliner]: procedures = 101, calls = 6643, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21240 [2022-10-16 15:31:40,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:31:40,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:31:40,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:31:40,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:31:40,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39" (1/1) ... [2022-10-16 15:31:40,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39" (1/1) ... [2022-10-16 15:31:40,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39" (1/1) ... [2022-10-16 15:31:40,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39" (1/1) ... [2022-10-16 15:31:40,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39" (1/1) ... [2022-10-16 15:31:41,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39" (1/1) ... [2022-10-16 15:31:41,161 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39" (1/1) ... [2022-10-16 15:31:41,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39" (1/1) ... [2022-10-16 15:31:41,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:31:41,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:31:41,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:31:41,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:31:41,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39" (1/1) ... [2022-10-16 15:31:41,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:31:41,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:31:41,508 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) [2022-10-16 15:31:41,533 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 [2022-10-16 15:31:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-10-16 15:31:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-10-16 15:31:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-10-16 15:31:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-10-16 15:31:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 15:31:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-10-16 15:31:41,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-10-16 15:31:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-16 15:31:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-16 15:31:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-10-16 15:31:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-10-16 15:31:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-10-16 15:31:41,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-10-16 15:31:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-10-16 15:31:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-10-16 15:31:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-10-16 15:31:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-10-16 15:31:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-10-16 15:31:41,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-10-16 15:31:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 15:31:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-16 15:31:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-16 15:31:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-10-16 15:31:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-10-16 15:31:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-10-16 15:31:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-10-16 15:31:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-10-16 15:31:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-10-16 15:31:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-10-16 15:31:41,590 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-10-16 15:31:41,590 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-10-16 15:31:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-10-16 15:31:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-16 15:31:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-16 15:31:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:31:41,591 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-16 15:31:41,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-16 15:31:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-10-16 15:31:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-10-16 15:31:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-10-16 15:31:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-10-16 15:31:41,592 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-10-16 15:31:41,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-10-16 15:31:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-16 15:31:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-16 15:31:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-10-16 15:31:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-10-16 15:31:41,593 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-16 15:31:41,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-16 15:31:41,594 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-10-16 15:31:41,594 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-10-16 15:31:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-10-16 15:31:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-10-16 15:31:41,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-10-16 15:31:41,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-10-16 15:31:41,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-10-16 15:31:41,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-10-16 15:31:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-10-16 15:31:41,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-10-16 15:31:41,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-10-16 15:31:41,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-10-16 15:31:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-10-16 15:31:41,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-10-16 15:31:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-10-16 15:31:41,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-10-16 15:31:41,598 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-10-16 15:31:41,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-10-16 15:31:41,599 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-10-16 15:31:41,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-10-16 15:31:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-10-16 15:31:41,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-10-16 15:31:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-10-16 15:31:41,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-10-16 15:31:41,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-10-16 15:31:41,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-10-16 15:31:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-10-16 15:31:41,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-10-16 15:31:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-10-16 15:31:41,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-10-16 15:31:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-10-16 15:31:41,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-10-16 15:31:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-10-16 15:31:41,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-10-16 15:31:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-10-16 15:31:41,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-10-16 15:31:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2022-10-16 15:31:41,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2022-10-16 15:31:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:31:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-10-16 15:31:41,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-10-16 15:31:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:31:41,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:31:42,672 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:31:42,682 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:35:54,592 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:35:54,645 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:35:54,645 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 15:35:54,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:35:54 BoogieIcfgContainer [2022-10-16 15:35:54,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:35:54,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:35:54,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:35:54,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:35:54,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:31:36" (1/3) ... [2022-10-16 15:35:54,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d9b535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:35:54, skipping insertion in model container [2022-10-16 15:35:54,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:39" (2/3) ... [2022-10-16 15:35:54,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d9b535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:35:54, skipping insertion in model container [2022-10-16 15:35:54,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:35:54" (3/3) ... [2022-10-16 15:35:54,676 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.2-1.c [2022-10-16 15:35:54,706 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:35:54,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 96 error locations. [2022-10-16 15:35:54,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:35:54,915 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5060bd52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:35:54,915 INFO L358 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2022-10-16 15:35:54,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 5000 states, 4520 states have (on average 1.5570796460176992) internal successors, (7038), 4639 states have internal predecessors, (7038), 340 states have call successors, (340), 43 states have call predecessors, (340), 43 states have return successors, (340), 330 states have call predecessors, (340), 340 states have call successors, (340) [2022-10-16 15:35:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 15:35:54,958 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:35:54,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:35:54,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__startrek_entry_pt_WriterErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __startrek_entry_pt_WriterErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2022-10-16 15:35:54,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:35:54,974 INFO L85 PathProgramCache]: Analyzing trace with hash 2036507620, now seen corresponding path program 1 times [2022-10-16 15:35:54,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:35:54,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071864466] [2022-10-16 15:35:54,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:35:54,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms