/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.1.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 01:20:53,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 01:20:53,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 01:20:53,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 01:20:53,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 01:20:53,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 01:20:53,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 01:20:53,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 01:20:53,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 01:20:53,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 01:20:53,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 01:20:53,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 01:20:53,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 01:20:53,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 01:20:53,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 01:20:53,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 01:20:53,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 01:20:53,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 01:20:53,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 01:20:53,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 01:20:53,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 01:20:53,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 01:20:53,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 01:20:53,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 01:20:53,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 01:20:53,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 01:20:53,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 01:20:53,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 01:20:53,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 01:20:53,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-01-10 01:20:53,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 01:20:53,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 01:20:53,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 01:20:53,455 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 01:20:53,480 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 01:20:53,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 01:20:53,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 01:20:53,481 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 01:20:53,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 01:20:53,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 01:20:53,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 01:20:53,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 01:20:53,482 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 01:20:53,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 01:20:53,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 01:20:53,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 01:20:53,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 01:20:53,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 01:20:53,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 01:20:53,483 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 01:20:53,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 01:20:53,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 01:20:53,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 01:20:53,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 01:20:53,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 01:20:53,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:20:53,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 01:20:53,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 01:20:53,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 01:20:53,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 01:20:53,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 01:20:53,485 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 01:20:53,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 01:20:53,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 01:20:53,485 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 01:20:53,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 01:20:53,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 01:20:53,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 01:20:53,727 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 01:20:53,727 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 01:20:53,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-1.c [2022-01-10 01:20:53,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10d14efb8/dbed421d19424f72892595c3bb855f32/FLAG304d74c5a [2022-01-10 01:20:54,220 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 01:20:54,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-1.c [2022-01-10 01:20:54,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10d14efb8/dbed421d19424f72892595c3bb855f32/FLAG304d74c5a [2022-01-10 01:20:54,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10d14efb8/dbed421d19424f72892595c3bb855f32 [2022-01-10 01:20:54,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 01:20:54,251 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 01:20:54,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 01:20:54,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 01:20:54,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 01:20:54,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:20:54" (1/1) ... [2022-01-10 01:20:54,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90ef361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54, skipping insertion in model container [2022-01-10 01:20:54,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:20:54" (1/1) ... [2022-01-10 01:20:54,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 01:20:54,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 01:20:54,466 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.1.M1-1.c[1674,1687] [2022-01-10 01:20:54,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:20:54,704 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 01:20:54,714 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.1.M1-1.c[1674,1687] [2022-01-10 01:20:54,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:20:54,903 INFO L208 MainTranslator]: Completed translation [2022-01-10 01:20:54,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54 WrapperNode [2022-01-10 01:20:54,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 01:20:54,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 01:20:54,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 01:20:54,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 01:20:54,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54" (1/1) ... [2022-01-10 01:20:54,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54" (1/1) ... [2022-01-10 01:20:55,038 INFO L137 Inliner]: procedures = 57, calls = 1828, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3865 [2022-01-10 01:20:55,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 01:20:55,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 01:20:55,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 01:20:55,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 01:20:55,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54" (1/1) ... [2022-01-10 01:20:55,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54" (1/1) ... [2022-01-10 01:20:55,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54" (1/1) ... [2022-01-10 01:20:55,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54" (1/1) ... [2022-01-10 01:20:55,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54" (1/1) ... [2022-01-10 01:20:55,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54" (1/1) ... [2022-01-10 01:20:55,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54" (1/1) ... [2022-01-10 01:20:55,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 01:20:55,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 01:20:55,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 01:20:55,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 01:20:55,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54" (1/1) ... [2022-01-10 01:20:55,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:20:55,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:20:55,251 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 01:20:55,290 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 01:20:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 01:20:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 01:20:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 01:20:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-01-10 01:20:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-01-10 01:20:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 01:20:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 01:20:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 01:20:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 01:20:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 01:20:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-01-10 01:20:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-01-10 01:20:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-10 01:20:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 01:20:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 01:20:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-01-10 01:20:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-01-10 01:20:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 01:20:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 01:20:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 01:20:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 01:20:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 01:20:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-01-10 01:20:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-01-10 01:20:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-10 01:20:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-01-10 01:20:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-01-10 01:20:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-10 01:20:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-10 01:20:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 01:20:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 01:20:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 01:20:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-01-10 01:20:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-01-10 01:20:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 01:20:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 01:20:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-01-10 01:20:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-01-10 01:20:55,733 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 01:20:55,734 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 01:21:01,279 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 01:21:01,294 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 01:21:01,294 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 01:21:01,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:21:01 BoogieIcfgContainer [2022-01-10 01:21:01,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 01:21:01,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 01:21:01,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 01:21:01,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 01:21:01,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:20:54" (1/3) ... [2022-01-10 01:21:01,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5224ebcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:21:01, skipping insertion in model container [2022-01-10 01:21:01,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:54" (2/3) ... [2022-01-10 01:21:01,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5224ebcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:21:01, skipping insertion in model container [2022-01-10 01:21:01,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:21:01" (3/3) ... [2022-01-10 01:21:01,304 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.1.M1-1.c [2022-01-10 01:21:01,308 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 01:21:01,308 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 01:21:01,348 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 01:21:01,357 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 01:21:01,357 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 01:21:01,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 1138 states, 729 states have (on average 1.289437585733882) internal successors, (940), 761 states have internal predecessors, (940), 392 states have call successors, (392), 15 states have call predecessors, (392), 15 states have return successors, (392), 390 states have call predecessors, (392), 392 states have call successors, (392) [2022-01-10 01:21:01,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-01-10 01:21:01,436 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:21:01,437 INFO L514 BasicCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:21:01,438 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 01:21:01,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:21:01,445 INFO L85 PathProgramCache]: Analyzing trace with hash -435675448, now seen corresponding path program 1 times [2022-01-10 01:21:01,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:21:01,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006201326] [2022-01-10 01:21:01,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:21:01,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms