/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.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 07:00:26,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 07:00:26,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 07:00:26,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 07:00:26,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 07:00:26,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 07:00:26,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 07:00:26,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 07:00:26,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 07:00:26,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 07:00:26,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 07:00:26,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 07:00:26,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 07:00:26,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 07:00:26,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 07:00:26,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 07:00:26,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 07:00:26,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 07:00:26,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 07:00:26,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 07:00:26,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 07:00:26,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 07:00:26,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 07:00:26,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 07:00:26,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 07:00:26,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 07:00:26,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 07:00:26,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 07:00:26,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 07:00:26,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-01-10 07:00:26,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 07:00:26,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 07:00:26,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 07:00:26,890 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 07:00:26,910 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 07:00:26,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 07:00:26,910 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 07:00:26,910 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 07:00:26,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 07:00:26,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 07:00:26,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 07:00:26,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 07:00:26,912 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 07:00:26,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 07:00:26,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 07:00:26,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 07:00:26,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 07:00:26,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 07:00:26,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 07:00:26,913 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 07:00:26,913 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 07:00:26,913 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 07:00:26,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 07:00:26,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 07:00:26,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 07:00:26,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 07:00:26,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 07:00:26,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 07:00:26,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 07:00:26,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 07:00:26,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 07:00:26,916 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 07:00:26,916 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 07:00:26,916 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 07:00:26,916 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 07:00:26,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 07:00:26,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 07:00:26,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 07:00:27,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 07:00:27,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 07:00:27,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 07:00:27,166 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 07:00:27,167 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 07:00:27,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.3.M1.c [2022-01-10 07:00:27,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffe302e7f/81e3c2a9aa7c455f90967804cda013c3/FLAG2c68695ea [2022-01-10 07:00:27,723 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 07:00:27,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.3.M1.c [2022-01-10 07:00:27,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffe302e7f/81e3c2a9aa7c455f90967804cda013c3/FLAG2c68695ea [2022-01-10 07:00:27,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffe302e7f/81e3c2a9aa7c455f90967804cda013c3 [2022-01-10 07:00:28,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 07:00:28,002 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 07:00:28,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 07:00:28,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 07:00:28,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 07:00:28,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:00:28" (1/1) ... [2022-01-10 07:00:28,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5d4b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28, skipping insertion in model container [2022-01-10 07:00:28,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:00:28" (1/1) ... [2022-01-10 07:00:28,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 07:00:28,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 07:00:28,251 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.3.M1.c[1762,1775] [2022-01-10 07:00:28,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 07:00:28,583 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 07:00:28,595 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.3.M1.c[1762,1775] [2022-01-10 07:00:28,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 07:00:28,842 INFO L208 MainTranslator]: Completed translation [2022-01-10 07:00:28,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28 WrapperNode [2022-01-10 07:00:28,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 07:00:28,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 07:00:28,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 07:00:28,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 07:00:28,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28" (1/1) ... [2022-01-10 07:00:28,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28" (1/1) ... [2022-01-10 07:00:29,117 INFO L137 Inliner]: procedures = 63, calls = 2794, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 5040 [2022-01-10 07:00:29,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 07:00:29,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 07:00:29,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 07:00:29,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 07:00:29,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28" (1/1) ... [2022-01-10 07:00:29,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28" (1/1) ... [2022-01-10 07:00:29,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28" (1/1) ... [2022-01-10 07:00:29,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28" (1/1) ... [2022-01-10 07:00:29,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28" (1/1) ... [2022-01-10 07:00:29,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28" (1/1) ... [2022-01-10 07:00:29,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28" (1/1) ... [2022-01-10 07:00:29,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 07:00:29,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 07:00:29,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 07:00:29,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 07:00:29,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28" (1/1) ... [2022-01-10 07:00:29,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 07:00:29,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 07:00:29,369 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 07:00:29,397 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 07:00:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 07:00:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 07:00:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 07:00:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-10 07:00:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-01-10 07:00:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-01-10 07:00:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 07:00:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 07:00:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 07:00:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 07:00:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 07:00:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2022-01-10 07:00:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2022-01-10 07:00:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 07:00:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-01-10 07:00:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-01-10 07:00:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 07:00:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 07:00:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-01-10 07:00:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-01-10 07:00:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 07:00:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 07:00:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 07:00:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 07:00:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 07:00:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 07:00:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 07:00:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2022-01-10 07:00:29,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2022-01-10 07:00:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 07:00:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 07:00:29,421 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 07:00:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-01-10 07:00:29,421 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-01-10 07:00:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-01-10 07:00:29,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-01-10 07:00:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-10 07:00:29,421 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-10 07:00:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 07:00:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 07:00:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-01-10 07:00:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-01-10 07:00:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 07:00:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 07:00:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-01-10 07:00:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-01-10 07:00:29,983 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 07:00:29,987 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 07:00:43,523 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 07:00:43,557 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 07:00:43,557 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 07:00:43,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:00:43 BoogieIcfgContainer [2022-01-10 07:00:43,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 07:00:43,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 07:00:43,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 07:00:43,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 07:00:43,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 07:00:28" (1/3) ... [2022-01-10 07:00:43,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60adf2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:00:43, skipping insertion in model container [2022-01-10 07:00:43,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:00:28" (2/3) ... [2022-01-10 07:00:43,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60adf2e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:00:43, skipping insertion in model container [2022-01-10 07:00:43,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:00:43" (3/3) ... [2022-01-10 07:00:43,569 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_nxt.3.M1.c [2022-01-10 07:00:43,574 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 07:00:43,574 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 07:00:43,645 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 07:00:43,650 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 07:00:43,650 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 07:00:43,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 1938 states, 1146 states have (on average 1.2033158813263525) internal successors, (1379), 1150 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 07:00:43,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1309 [2022-01-10 07:00:43,788 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 07:00:43,790 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 07:00:43,791 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 07:00:43,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 07:00:43,797 INFO L85 PathProgramCache]: Analyzing trace with hash -112777684, now seen corresponding path program 1 times [2022-01-10 07:00:43,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 07:00:43,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [768833979] [2022-01-10 07:00:43,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 07:00:43,818 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 07:00:43,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 07:00:43,823 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 07:00:43,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process