/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/rekcba_nxt.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 01:21:35,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 01:21:35,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 01:21:36,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 01:21:36,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 01:21:36,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 01:21:36,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 01:21:36,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 01:21:36,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 01:21:36,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 01:21:36,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 01:21:36,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 01:21:36,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 01:21:36,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 01:21:36,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 01:21:36,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 01:21:36,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 01:21:36,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 01:21:36,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 01:21:36,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 01:21:36,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 01:21:36,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 01:21:36,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 01:21:36,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 01:21:36,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 01:21:36,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 01:21:36,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 01:21:36,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 01:21:36,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 01:21:36,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 01:21:36,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 01:21:36,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 01:21:36,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 01:21:36,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 01:21:36,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 01:21:36,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 01:21:36,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 01:21:36,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 01:21:36,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 01:21:36,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 01:21:36,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 01:21:36,076 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 01:21:36,091 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 01:21:36,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 01:21:36,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 01:21:36,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 01:21:36,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 01:21:36,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 01:21:36,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 01:21:36,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 01:21:36,093 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 01:21:36,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 01:21:36,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 01:21:36,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 01:21:36,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 01:21:36,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 01:21:36,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 01:21:36,094 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 01:21:36,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 01:21:36,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 01:21:36,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 01:21:36,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 01:21:36,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 01:21:36,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:21:36,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 01:21:36,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 01:21:36,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 01:21:36,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 01:21:36,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 01:21:36,098 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 01:21:36,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 01:21:36,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 01:21:36,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 01:21:36,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 01:21:36,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 01:21:36,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 01:21:36,313 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 01:21:36,313 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 01:21:36,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.3.M1.c [2022-01-10 01:21:36,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/596ef0e77/1dca3056510e46f0a86bf6c732312898/FLAG58ac89375 [2022-01-10 01:21:36,861 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 01:21:36,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.3.M1.c [2022-01-10 01:21:36,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/596ef0e77/1dca3056510e46f0a86bf6c732312898/FLAG58ac89375 [2022-01-10 01:21:37,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/596ef0e77/1dca3056510e46f0a86bf6c732312898 [2022-01-10 01:21:37,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 01:21:37,396 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 01:21:37,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 01:21:37,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 01:21:37,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 01:21:37,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:21:37" (1/1) ... [2022-01-10 01:21:37,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629e55e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37, skipping insertion in model container [2022-01-10 01:21:37,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:21:37" (1/1) ... [2022-01-10 01:21:37,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 01:21:37,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 01:21:37,594 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/rekcba_nxt.3.M1.c[2017,2030] [2022-01-10 01:21:37,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:21:37,811 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 01:21:37,824 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/rekcba_nxt.3.M1.c[2017,2030] [2022-01-10 01:21:37,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:21:37,994 INFO L208 MainTranslator]: Completed translation [2022-01-10 01:21:37,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37 WrapperNode [2022-01-10 01:21:37,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 01:21:37,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 01:21:37,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 01:21:37,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 01:21:38,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37" (1/1) ... [2022-01-10 01:21:38,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37" (1/1) ... [2022-01-10 01:21:38,159 INFO L137 Inliner]: procedures = 62, calls = 2139, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 4325 [2022-01-10 01:21:38,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 01:21:38,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 01:21:38,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 01:21:38,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 01:21:38,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37" (1/1) ... [2022-01-10 01:21:38,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37" (1/1) ... [2022-01-10 01:21:38,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37" (1/1) ... [2022-01-10 01:21:38,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37" (1/1) ... [2022-01-10 01:21:38,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37" (1/1) ... [2022-01-10 01:21:38,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37" (1/1) ... [2022-01-10 01:21:38,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37" (1/1) ... [2022-01-10 01:21:38,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 01:21:38,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 01:21:38,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 01:21:38,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 01:21:38,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37" (1/1) ... [2022-01-10 01:21:38,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:21:38,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:21:38,311 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 01:21:38,344 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 01:21:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 01:21:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 01:21:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 01:21:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-01-10 01:21:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-01-10 01:21:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 01:21:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 01:21:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 01:21:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 01:21:38,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 01:21:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2022-01-10 01:21:38,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2022-01-10 01:21:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-01-10 01:21:38,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-01-10 01:21:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-10 01:21:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 01:21:38,370 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 01:21:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-01-10 01:21:38,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-01-10 01:21:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 01:21:38,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 01:21:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 01:21:38,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 01:21:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 01:21:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-01-10 01:21:38,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-01-10 01:21:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-10 01:21:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 01:21:38,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 01:21:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-01-10 01:21:38,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-01-10 01:21:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-01-10 01:21:38,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-01-10 01:21:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-10 01:21:38,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-10 01:21:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 01:21:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 01:21:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 01:21:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-01-10 01:21:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-01-10 01:21:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 01:21:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 01:21:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-01-10 01:21:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-01-10 01:21:38,696 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 01:21:38,698 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 01:21:44,638 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 01:21:44,650 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 01:21:44,650 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 01:21:44,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:21:44 BoogieIcfgContainer [2022-01-10 01:21:44,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 01:21:44,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 01:21:44,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 01:21:44,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 01:21:44,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:21:37" (1/3) ... [2022-01-10 01:21:44,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17232f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:21:44, skipping insertion in model container [2022-01-10 01:21:44,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:37" (2/3) ... [2022-01-10 01:21:44,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17232f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:21:44, skipping insertion in model container [2022-01-10 01:21:44,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:21:44" (3/3) ... [2022-01-10 01:21:44,659 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.3.M1.c [2022-01-10 01:21:44,678 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 01:21:44,678 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 01:21:44,719 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 01:21:44,725 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 01:21:44,726 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 01:21:44,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 1290 states, 815 states have (on average 1.2748466257668711) internal successors, (1039), 846 states have internal predecessors, (1039), 455 states have call successors, (455), 18 states have call predecessors, (455), 18 states have return successors, (455), 453 states have call predecessors, (455), 455 states have call successors, (455) [2022-01-10 01:21:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2022-01-10 01:21:44,878 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:21:44,880 INFO L514 BasicCegarLoop]: trace histogram [111, 111, 111, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:21:44,881 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:21:44,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:21:44,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1711506897, now seen corresponding path program 1 times [2022-01-10 01:21:44,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:21:44,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247453343] [2022-01-10 01:21:44,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:21:44,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms