/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/rekh_aso.1.M4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:36:18,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:36:18,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:36:18,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:36:18,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:36:18,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:36:18,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:36:18,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:36:18,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:36:18,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:36:18,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:36:18,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:36:18,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:36:18,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:36:18,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:36:18,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:36:18,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:36:18,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:36:18,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:36:18,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:36:18,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:36:18,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:36:18,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:36:18,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:36:18,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 15:36:18,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 15:36:18,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 15:36:18,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 15:36:18,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 15:36:18,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 15:36:18,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 15:36:18,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 15:36:18,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 15:36:18,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 15:36:18,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 15:36:18,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 15:36:18,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 15:36:18,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 15:36:18,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:36:18,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:36:18,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:36:18,901 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 15:36:18,964 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:36:18,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:36:18,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:36:18,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:36:18,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:36:18,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:36:18,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:36:18,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:36:18,973 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:36:18,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:36:18,974 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:36:18,974 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:36:18,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:36:18,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:36:18,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:36:18,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:36:18,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:36:18,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:36:18,976 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:36:18,976 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:36:18,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:36:18,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:36:18,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:36:18,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:36:18,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:36:18,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:36:18,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:36:18,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:36:18,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:36:18,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:36:18,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:36:18,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:36:18,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:36:18,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:36:19,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:36:19,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:36:19,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:36:19,474 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:36:19,475 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:36:19,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c [2022-10-16 15:36:19,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d930a7e42/518fee6044fd42ed893ee6935b2cc0b1/FLAG1036b45f9 [2022-10-16 15:36:20,596 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:36:20,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c [2022-10-16 15:36:20,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d930a7e42/518fee6044fd42ed893ee6935b2cc0b1/FLAG1036b45f9 [2022-10-16 15:36:20,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d930a7e42/518fee6044fd42ed893ee6935b2cc0b1 [2022-10-16 15:36:20,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:36:20,748 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:36:20,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:36:20,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:36:20,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:36:20,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:36:20" (1/1) ... [2022-10-16 15:36:20,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3217f03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:20, skipping insertion in model container [2022-10-16 15:36:20,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:36:20" (1/1) ... [2022-10-16 15:36:20,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:36:20,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:36:21,084 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/rekh_aso.1.M4-1.c[1800,1813] [2022-10-16 15:36:21,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:36:21,727 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:36:21,752 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/rekh_aso.1.M4-1.c[1800,1813] [2022-10-16 15:36:22,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:36:22,117 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:36:22,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22 WrapperNode [2022-10-16 15:36:22,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:36:22,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:36:22,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:36:22,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:36:22,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22" (1/1) ... [2022-10-16 15:36:22,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22" (1/1) ... [2022-10-16 15:36:22,587 INFO L138 Inliner]: procedures = 60, calls = 3154, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 5985 [2022-10-16 15:36:22,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:36:22,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:36:22,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:36:22,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:36:22,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22" (1/1) ... [2022-10-16 15:36:22,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22" (1/1) ... [2022-10-16 15:36:22,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22" (1/1) ... [2022-10-16 15:36:22,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22" (1/1) ... [2022-10-16 15:36:22,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22" (1/1) ... [2022-10-16 15:36:22,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22" (1/1) ... [2022-10-16 15:36:23,015 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22" (1/1) ... [2022-10-16 15:36:23,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22" (1/1) ... [2022-10-16 15:36:23,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:36:23,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:36:23,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:36:23,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:36:23,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22" (1/1) ... [2022-10-16 15:36:23,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:36:23,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:36:23,142 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 15:36:23,167 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 15:36:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:36:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-10-16 15:36:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-10-16 15:36:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-16 15:36:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-16 15:36:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-10-16 15:36:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-10-16 15:36:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 15:36:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-16 15:36:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-16 15:36:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-16 15:36:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-16 15:36:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-10-16 15:36:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-10-16 15:36:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 15:36:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-16 15:36:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-16 15:36:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-10-16 15:36:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-10-16 15:36:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-10-16 15:36:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-10-16 15:36:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-16 15:36:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-10-16 15:36:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-16 15:36:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-10-16 15:36:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-10-16 15:36:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-10-16 15:36:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 15:36:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-10-16 15:36:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-10-16 15:36:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 15:36:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-16 15:36:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-16 15:36:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-10-16 15:36:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-10-16 15:36:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-10-16 15:36:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-10-16 15:36:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-10-16 15:36:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-10-16 15:36:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 15:36:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 15:36:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:36:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:36:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:36:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-10-16 15:36:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-10-16 15:36:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-16 15:36:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-16 15:36:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-10-16 15:36:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-10-16 15:36:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-10-16 15:36:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-10-16 15:36:23,901 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:36:23,904 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:36:36,391 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:36:36,415 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:36:36,415 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:36:36,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:36:36 BoogieIcfgContainer [2022-10-16 15:36:36,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:36:36,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:36:36,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:36:36,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:36:36,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:36:20" (1/3) ... [2022-10-16 15:36:36,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41fa10ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:36:36, skipping insertion in model container [2022-10-16 15:36:36,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:36:22" (2/3) ... [2022-10-16 15:36:36,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41fa10ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:36:36, skipping insertion in model container [2022-10-16 15:36:36,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:36:36" (3/3) ... [2022-10-16 15:36:36,432 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.1.M4-1.c [2022-10-16 15:36:36,456 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:36:36,456 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-10-16 15:36:36,575 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:36:36,585 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;@ba35b87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:36:36,585 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-10-16 15:36:36,601 INFO L276 IsEmpty]: Start isEmpty. Operand has 2364 states, 1389 states have (on average 1.2044636429085673) internal successors, (1673), 1404 states have internal predecessors, (1673), 940 states have call successors, (940), 22 states have call predecessors, (940), 22 states have return successors, (940), 938 states have call predecessors, (940), 940 states have call successors, (940) [2022-10-16 15:36:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1373 [2022-10-16 15:36:36,748 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:36:36,750 INFO L195 NwaCegarLoop]: trace histogram [208, 208, 208, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:36:36,752 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __startrek_entry_pt_OSEK_Task_ts1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__startrek_entry_pt_OSEK_Task_ts1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, __startrek_entry_pt_OSEK_Task_ts1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-10-16 15:36:36,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:36:36,759 INFO L85 PathProgramCache]: Analyzing trace with hash 848958503, now seen corresponding path program 1 times [2022-10-16 15:36:36,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:36:36,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452101168] [2022-10-16 15:36:36,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:36:36,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms