/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_Bitvector.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 07:00:19,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 07:00:19,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 07:00:20,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 07:00:20,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 07:00:20,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 07:00:20,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 07:00:20,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 07:00:20,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 07:00:20,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 07:00:20,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 07:00:20,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 07:00:20,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 07:00:20,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 07:00:20,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 07:00:20,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 07:00:20,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 07:00:20,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 07:00:20,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 07:00:20,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 07:00:20,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 07:00:20,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 07:00:20,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 07:00:20,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 07:00:20,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 07:00:20,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 07:00:20,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 07:00:20,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 07:00:20,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 07:00:20,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 07:00:20,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 07:00:20,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 07:00:20,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 07:00:20,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 07:00:20,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 07:00:20,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 07:00:20,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 07:00:20,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 07:00:20,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 07:00:20,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 07:00:20,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 07:00:20,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 07:00:20,089 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 07:00:20,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 07:00:20,090 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 07:00:20,090 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 07:00:20,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 07:00:20,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 07:00:20,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 07:00:20,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 07:00:20,091 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 07:00:20,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 07:00:20,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 07:00:20,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 07:00:20,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 07:00:20,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 07:00:20,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 07:00:20,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 07:00:20,093 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 07:00:20,093 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 07:00:20,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 07:00:20,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 07:00:20,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 07:00:20,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 07:00:20,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 07:00:20,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 07:00:20,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 07:00:20,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 07:00:20,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 07:00:20,094 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 07:00:20,094 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 07:00:20,095 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 07:00:20,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 07:00:20,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 07:00:20,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 07:00:20,095 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 07:00:20,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 07:00:20,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 07:00:20,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 07:00:20,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 07:00:20,333 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 07:00:20,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-1.c [2022-01-10 07:00:20,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec196716b/ebdb659857944c1a96e73d0ec2cd1291/FLAG92f8051bc [2022-01-10 07:00:20,964 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 07:00:20,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-1.c [2022-01-10 07:00:20,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec196716b/ebdb659857944c1a96e73d0ec2cd1291/FLAG92f8051bc [2022-01-10 07:00:21,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec196716b/ebdb659857944c1a96e73d0ec2cd1291 [2022-01-10 07:00:21,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 07:00:21,382 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 07:00:21,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 07:00:21,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 07:00:21,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 07:00:21,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:00:21" (1/1) ... [2022-01-10 07:00:21,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a51c199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:21, skipping insertion in model container [2022-01-10 07:00:21,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:00:21" (1/1) ... [2022-01-10 07:00:21,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 07:00:21,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 07:00:21,627 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/rekh_nxt.2.M1-1.c[1765,1778] [2022-01-10 07:00:22,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 07:00:22,024 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 07:00:22,034 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/rekh_nxt.2.M1-1.c[1765,1778] [2022-01-10 07:00:22,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 07:00:22,244 INFO L208 MainTranslator]: Completed translation [2022-01-10 07:00:22,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:22 WrapperNode [2022-01-10 07:00:22,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 07:00:22,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 07:00:22,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 07:00:22,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 07:00:22,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:22" (1/1) ... [2022-01-10 07:00:22,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:22" (1/1) ... [2022-01-10 07:00:22,439 INFO L137 Inliner]: procedures = 63, calls = 2794, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 5040 [2022-01-10 07:00:22,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 07:00:22,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 07:00:22,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 07:00:22,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 07:00:22,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:22" (1/1) ... [2022-01-10 07:00:22,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:22" (1/1) ... [2022-01-10 07:00:22,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:22" (1/1) ... [2022-01-10 07:00:22,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:22" (1/1) ... [2022-01-10 07:00:22,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:22" (1/1) ... [2022-01-10 07:00:22,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:22" (1/1) ... [2022-01-10 07:00:22,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:22" (1/1) ... [2022-01-10 07:00:22,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 07:00:22,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 07:00:22,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 07:00:22,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 07:00:22,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:22" (1/1) ... [2022-01-10 07:00:22,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 07:00:22,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 07:00:22,676 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 07:00:22,682 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 07:00:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 07:00:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 07:00:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 07:00:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-10 07:00:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-01-10 07:00:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-01-10 07:00:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 07:00:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 07:00:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 07:00:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 07:00:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 07:00:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2022-01-10 07:00:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2022-01-10 07:00:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 07:00:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-01-10 07:00:22,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-01-10 07:00:22,722 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 07:00:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 07:00:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-01-10 07:00:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-01-10 07:00:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 07:00:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 07:00:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 07:00:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 07:00:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 07:00:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 07:00:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 07:00:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-01-10 07:00:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-01-10 07:00:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 07:00:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 07:00:22,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 07:00:22,723 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-01-10 07:00:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-01-10 07:00:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-01-10 07:00:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-01-10 07:00:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-10 07:00:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-10 07:00:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 07:00:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 07:00:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-01-10 07:00:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-01-10 07:00:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 07:00:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 07:00:22,724 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-01-10 07:00:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-01-10 07:00:23,137 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 07:00:23,139 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 07:00:34,847 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 07:00:34,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 07:00:34,874 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 07:00:34,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:00:34 BoogieIcfgContainer [2022-01-10 07:00:34,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 07:00:34,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 07:00:34,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 07:00:34,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 07:00:34,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 07:00:21" (1/3) ... [2022-01-10 07:00:34,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c8e5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:00:34, skipping insertion in model container [2022-01-10 07:00:34,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:22" (2/3) ... [2022-01-10 07:00:34,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c8e5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:00:34, skipping insertion in model container [2022-01-10 07:00:34,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:00:34" (3/3) ... [2022-01-10 07:00:34,897 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_nxt.2.M1-1.c [2022-01-10 07:00:34,901 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 07:00:34,901 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 07:00:34,958 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 07:00:34,964 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 07:00:34,964 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 07:00:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 1938 states, 1146 states have (on average 1.2033158813263525) internal successors, (1379), 1151 states have internal predecessors, (1379), 772 states have call successors, (772), 18 states have call predecessors, (772), 18 states have return successors, (772), 770 states have call predecessors, (772), 772 states have call successors, (772) [2022-01-10 07:00:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1309 [2022-01-10 07:00:35,069 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 07:00:35,070 INFO L514 BasicCegarLoop]: trace histogram [209, 209, 209, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:00:35,071 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 07:00:35,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 07:00:35,076 INFO L85 PathProgramCache]: Analyzing trace with hash -112777684, now seen corresponding path program 1 times [2022-01-10 07:00:35,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 07:00:35,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [382040128] [2022-01-10 07:00:35,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 07:00:35,091 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 07:00:35,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 07:00:35,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 07:00:35,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process