/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_aso.1.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:58:37,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:58:37,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:58:37,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:58:37,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:58:37,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:58:37,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:58:37,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:58:37,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:58:37,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:58:37,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:58:37,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:58:37,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:58:37,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:58:37,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:58:37,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:58:37,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:58:37,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:58:37,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:58:37,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:58:37,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:58:37,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:58:37,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:58:37,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:58:37,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:58:37,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:58:37,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:58:37,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:58:37,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:58:37,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:58:37,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:58:37,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:58:37,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:58:37,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:58:37,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:58:37,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:58:37,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:58:37,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:58:37,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:58:37,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:58:37,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:58:37,237 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 06:58:37,264 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:58:37,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:58:37,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:58:37,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:58:37,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:58:37,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:58:37,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:58:37,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:58:37,266 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:58:37,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:58:37,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:58:37,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:58:37,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:58:37,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:58:37,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:58:37,267 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:58:37,267 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:58:37,267 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:58:37,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:58:37,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:58:37,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:58:37,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:58:37,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:58:37,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:58:37,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:58:37,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:58:37,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:58:37,268 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:58:37,268 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:58:37,268 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:58:37,268 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:58:37,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:58:37,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:58:37,268 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:58:37,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:58:37,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:58:37,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:58:37,501 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:58:37,501 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:58:37,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.1.M1-2.c [2022-01-10 06:58:37,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/277652f04/1e3cbf43a50b4d40bacf14755a1a6683/FLAGdf4b7ed1b [2022-01-10 06:58:38,075 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:58:38,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_aso.1.M1-2.c [2022-01-10 06:58:38,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/277652f04/1e3cbf43a50b4d40bacf14755a1a6683/FLAGdf4b7ed1b [2022-01-10 06:58:38,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/277652f04/1e3cbf43a50b4d40bacf14755a1a6683 [2022-01-10 06:58:38,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:58:38,543 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:58:38,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:58:38,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:58:38,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:58:38,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:58:38" (1/1) ... [2022-01-10 06:58:38,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a32745d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:38, skipping insertion in model container [2022-01-10 06:58:38,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:58:38" (1/1) ... [2022-01-10 06:58:38,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:58:38,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:58:38,840 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_aso.1.M1-2.c[1719,1732] [2022-01-10 06:58:39,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:58:39,178 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:58:39,187 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_aso.1.M1-2.c[1719,1732] [2022-01-10 06:58:39,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:58:39,454 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:58:39,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39 WrapperNode [2022-01-10 06:58:39,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:58:39,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:58:39,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:58:39,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:58:39,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39" (1/1) ... [2022-01-10 06:58:39,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39" (1/1) ... [2022-01-10 06:58:39,721 INFO L137 Inliner]: procedures = 61, calls = 3453, calls flagged for inlining = 19, calls inlined = 19, statements flattened = 6180 [2022-01-10 06:58:39,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:58:39,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:58:39,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:58:39,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:58:39,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39" (1/1) ... [2022-01-10 06:58:39,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39" (1/1) ... [2022-01-10 06:58:39,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39" (1/1) ... [2022-01-10 06:58:39,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39" (1/1) ... [2022-01-10 06:58:39,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39" (1/1) ... [2022-01-10 06:58:39,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39" (1/1) ... [2022-01-10 06:58:39,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39" (1/1) ... [2022-01-10 06:58:39,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:58:39,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:58:39,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:58:39,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:58:39,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39" (1/1) ... [2022-01-10 06:58:39,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:58:40,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:58:40,013 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 06:58:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:58:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-01-10 06:58:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-01-10 06:58:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 06:58:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 06:58:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-10 06:58:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-01-10 06:58:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-01-10 06:58:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 06:58:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 06:58:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 06:58:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 06:58:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 06:58:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 06:58:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-01-10 06:58:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-01-10 06:58:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 06:58:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 06:58:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-01-10 06:58:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-01-10 06:58:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-01-10 06:58:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-01-10 06:58:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 06:58:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 06:58:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 06:58:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 06:58:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-01-10 06:58:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-01-10 06:58:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 06:58:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 06:58:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 06:58:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:58:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 06:58:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 06:58:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-01-10 06:58:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-01-10 06:58:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-01-10 06:58:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-01-10 06:58:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-01-10 06:58:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-01-10 06:58:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-10 06:58:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-10 06:58:40,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:58:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:58:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-01-10 06:58:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-01-10 06:58:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 06:58:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 06:58:40,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-01-10 06:58:40,042 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 06:58:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-01-10 06:58:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-01-10 06:58:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-01-10 06:58:40,538 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:58:40,539 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:58:56,526 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:58:56,545 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:58:56,546 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 06:58:56,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:58:56 BoogieIcfgContainer [2022-01-10 06:58:56,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:58:56,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:58:56,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:58:56,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:58:56,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:58:38" (1/3) ... [2022-01-10 06:58:56,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebf65ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:58:56, skipping insertion in model container [2022-01-10 06:58:56,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39" (2/3) ... [2022-01-10 06:58:56,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebf65ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:58:56, skipping insertion in model container [2022-01-10 06:58:56,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:58:56" (3/3) ... [2022-01-10 06:58:56,556 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_aso.1.M1-2.c [2022-01-10 06:58:56,560 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:58:56,561 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:58:56,606 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:58:56,611 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 06:58:56,611 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:58:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 2333 states, 1372 states have (on average 1.1989795918367347) internal successors, (1645), 1377 states have internal predecessors, (1645), 938 states have call successors, (938), 21 states have call predecessors, (938), 21 states have return successors, (938), 936 states have call predecessors, (938), 938 states have call successors, (938) [2022-01-10 06:58:56,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1337 [2022-01-10 06:58:56,763 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:58:56,765 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, 1, 1, 1, 1, 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 06:58:56,766 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:58:56,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:58:56,775 INFO L85 PathProgramCache]: Analyzing trace with hash -662020641, now seen corresponding path program 1 times [2022-01-10 06:58:56,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:58:56,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517282286] [2022-01-10 06:58:56,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:58:56,793 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:58:56,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:58:56,795 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 06:58:56,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process