/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.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 01:20:55,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 01:20:55,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 01:20:55,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 01:20:55,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 01:20:55,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 01:20:55,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 01:20:55,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 01:20:55,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 01:20:55,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 01:20:55,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 01:20:55,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 01:20:55,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 01:20:55,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 01:20:55,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 01:20:55,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 01:20:55,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 01:20:55,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 01:20:55,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 01:20:55,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 01:20:55,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 01:20:55,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 01:20:55,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 01:20:55,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 01:20:55,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 01:20:55,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 01:20:55,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 01:20:55,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 01:20:55,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 01:20:55,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-01-10 01:20:55,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 01:20:55,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 01:20:55,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 01:20:55,617 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 01:20:55,642 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 01:20:55,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 01:20:55,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 01:20:55,642 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 01:20:55,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 01:20:55,643 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 01:20:55,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 01:20:55,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 01:20:55,644 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 01:20:55,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 01:20:55,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 01:20:55,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 01:20:55,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 01:20:55,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 01:20:55,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 01:20:55,646 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 01:20:55,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 01:20:55,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 01:20:55,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 01:20:55,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 01:20:55,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 01:20:55,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:20:55,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 01:20:55,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 01:20:55,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 01:20:55,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 01:20:55,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 01:20:55,647 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 01:20:55,648 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 01:20:55,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 01:20:55,648 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 01:20:55,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 01:20:55,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 01:20:55,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 01:20:55,893 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 01:20:55,897 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 01:20:55,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M4-2.c [2022-01-10 01:20:55,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21c74ed8/28ae00b4b186497c9cb95586df79ccc1/FLAGf57b179ff [2022-01-10 01:20:56,675 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 01:20:56,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M4-2.c [2022-01-10 01:20:56,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21c74ed8/28ae00b4b186497c9cb95586df79ccc1/FLAGf57b179ff [2022-01-10 01:20:56,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21c74ed8/28ae00b4b186497c9cb95586df79ccc1 [2022-01-10 01:20:56,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 01:20:56,786 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 01:20:56,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 01:20:56,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 01:20:56,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 01:20:56,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:20:56" (1/1) ... [2022-01-10 01:20:56,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f165fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:56, skipping insertion in model container [2022-01-10 01:20:56,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:20:56" (1/1) ... [2022-01-10 01:20:56,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 01:20:56,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 01:20:57,186 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.M4-2.c[1674,1687] [2022-01-10 01:20:58,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:20:58,028 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 01:20:58,048 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.M4-2.c[1674,1687] [2022-01-10 01:20:58,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:20:58,712 INFO L208 MainTranslator]: Completed translation [2022-01-10 01:20:58,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:58 WrapperNode [2022-01-10 01:20:58,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 01:20:58,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 01:20:58,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 01:20:58,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 01:20:58,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:58" (1/1) ... [2022-01-10 01:20:59,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:58" (1/1) ... [2022-01-10 01:21:00,135 INFO L137 Inliner]: procedures = 57, calls = 18490, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 40021 [2022-01-10 01:21:00,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 01:21:00,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 01:21:00,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 01:21:00,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 01:21:00,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:58" (1/1) ... [2022-01-10 01:21:00,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:58" (1/1) ... [2022-01-10 01:21:00,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:58" (1/1) ... [2022-01-10 01:21:00,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:58" (1/1) ... [2022-01-10 01:21:00,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:58" (1/1) ... [2022-01-10 01:21:01,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:58" (1/1) ... [2022-01-10 01:21:01,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:58" (1/1) ... [2022-01-10 01:21:01,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 01:21:01,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 01:21:01,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 01:21:01,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 01:21:01,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:58" (1/1) ... [2022-01-10 01:21:01,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:21:01,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:21:01,316 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 01:21:01,323 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 01:21:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 01:21:01,351 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 01:21:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 01:21:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-01-10 01:21:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-01-10 01:21:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 01:21:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 01:21:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 01:21:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 01:21:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 01:21:01,352 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-01-10 01:21:01,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-01-10 01:21:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-10 01:21:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 01:21:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 01:21:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-01-10 01:21:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-01-10 01:21:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 01:21:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 01:21:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 01:21:01,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 01:21:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 01:21:01,353 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-01-10 01:21:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-01-10 01:21:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-10 01:21:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-01-10 01:21:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-01-10 01:21:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-10 01:21:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-10 01:21:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 01:21:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 01:21:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 01:21:01,354 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-01-10 01:21:01,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-01-10 01:21:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 01:21:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 01:21:01,355 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-01-10 01:21:01,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-01-10 01:21:03,183 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 01:21:03,185 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 01:22:01,479 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 01:22:01,547 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 01:22:01,547 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 01:22:01,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:22:01 BoogieIcfgContainer [2022-01-10 01:22:01,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 01:22:01,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 01:22:01,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 01:22:01,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 01:22:01,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:20:56" (1/3) ... [2022-01-10 01:22:01,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e43767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:22:01, skipping insertion in model container [2022-01-10 01:22:01,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:20:58" (2/3) ... [2022-01-10 01:22:01,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e43767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:22:01, skipping insertion in model container [2022-01-10 01:22:01,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:22:01" (3/3) ... [2022-01-10 01:22:01,571 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.1.M4-2.c [2022-01-10 01:22:01,575 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 01:22:01,575 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 01:22:01,662 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 01:22:01,669 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 01:22:01,669 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 01:22:01,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 12013 states, 7878 states have (on average 1.3196242701193197) internal successors, (10396), 7991 states have internal predecessors, (10396), 4118 states have call successors, (4118), 15 states have call predecessors, (4118), 15 states have return successors, (4118), 4116 states have call predecessors, (4118), 4118 states have call successors, (4118)