/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.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:58:38,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:58:38,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:58:38,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:58:38,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:58:38,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:58:38,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:58:38,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:58:38,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:58:38,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:58:38,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:58:38,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:58:38,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:58:38,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:58:38,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:58:38,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:58:38,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:58:38,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:58:38,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:58:38,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:58:38,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:58:38,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:58:38,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:58:38,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:58:38,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 06:58:38,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:58:38,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:58:38,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:58:38,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:58:38,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:58:38,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:58:38,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:58:38,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:58:38,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:58:38,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:58:38,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:58:38,698 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 06:58:38,712 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:58:38,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:58:38,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:58:38,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:58:38,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:58:38,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:58:38,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:58:38,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:58:38,714 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:58:38,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:58:38,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:58:38,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:58:38,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:58:38,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:58:38,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:58:38,715 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:58:38,715 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:58:38,715 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:58:38,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:58:38,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:58:38,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:58:38,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:58:38,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:58:38,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:58:38,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:58:38,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:58:38,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:58:38,716 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:58:38,716 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:58:38,716 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:58:38,716 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:58:38,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:58:38,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:58:38,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:58:38,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:58:38,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:58:38,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:58:38,917 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:58:38,917 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:58:38,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.1.M4-2.c [2022-01-10 06:58:38,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8392281dd/e9d3e72f068841868cdacd632df6ceab/FLAGc4cd32414 [2022-01-10 06:58:39,421 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:58:39,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_aso.1.M4-2.c [2022-01-10 06:58:39,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8392281dd/e9d3e72f068841868cdacd632df6ceab/FLAGc4cd32414 [2022-01-10 06:58:39,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8392281dd/e9d3e72f068841868cdacd632df6ceab [2022-01-10 06:58:39,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:58:39,943 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:58:39,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:58:39,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:58:39,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:58:39,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:58:39" (1/1) ... [2022-01-10 06:58:39,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7fe5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:39, skipping insertion in model container [2022-01-10 06:58:39,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:58:39" (1/1) ... [2022-01-10 06:58:39,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:58:40,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:58:40,174 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.M4-2.c[1719,1732] [2022-01-10 06:58:40,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:58:40,507 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:58:40,527 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.M4-2.c[1719,1732] [2022-01-10 06:58:40,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:58:40,735 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:58:40,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:40 WrapperNode [2022-01-10 06:58:40,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:58:40,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:58:40,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:58:40,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:58:40,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:40" (1/1) ... [2022-01-10 06:58:40,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:40" (1/1) ... [2022-01-10 06:58:40,944 INFO L137 Inliner]: procedures = 61, calls = 3478, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 6220 [2022-01-10 06:58:40,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:58:40,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:58:40,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:58:40,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:58:40,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:40" (1/1) ... [2022-01-10 06:58:40,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:40" (1/1) ... [2022-01-10 06:58:40,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:40" (1/1) ... [2022-01-10 06:58:40,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:40" (1/1) ... [2022-01-10 06:58:41,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:40" (1/1) ... [2022-01-10 06:58:41,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:40" (1/1) ... [2022-01-10 06:58:41,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:40" (1/1) ... [2022-01-10 06:58:41,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:58:41,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:58:41,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:58:41,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:58:41,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:40" (1/1) ... [2022-01-10 06:58:41,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:58:41,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:58:41,212 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 06:58:41,269 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 06:58:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:58:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-01-10 06:58:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-01-10 06:58:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 06:58:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 06:58:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-10 06:58:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-01-10 06:58:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-01-10 06:58:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 06:58:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 06:58:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 06:58:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 06:58:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 06:58:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 06:58:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-01-10 06:58:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-01-10 06:58:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 06:58:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 06:58:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-01-10 06:58:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-01-10 06:58:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-01-10 06:58:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-01-10 06:58:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 06:58:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 06:58:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 06:58:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 06:58:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-01-10 06:58:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-01-10 06:58:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 06:58:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 06:58:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 06:58:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-01-10 06:58:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-01-10 06:58:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:58:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 06:58:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 06:58:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-01-10 06:58:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-01-10 06:58:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-01-10 06:58:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-01-10 06:58:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-01-10 06:58:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-01-10 06:58:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-10 06:58:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-10 06:58:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:58:41,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:58:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-01-10 06:58:41,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-01-10 06:58:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 06:58:41,300 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 06:58:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-01-10 06:58:41,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-01-10 06:58:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-01-10 06:58:41,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-01-10 06:58:41,881 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:58:41,883 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:59:00,171 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:59:00,195 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:59:00,195 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 06:59:00,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:59:00 BoogieIcfgContainer [2022-01-10 06:59:00,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:59:00,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:59:00,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:59:00,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:59:00,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:58:39" (1/3) ... [2022-01-10 06:59:00,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337789f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:59:00, skipping insertion in model container [2022-01-10 06:59:00,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:58:40" (2/3) ... [2022-01-10 06:59:00,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337789f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:59:00, skipping insertion in model container [2022-01-10 06:59:00,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:59:00" (3/3) ... [2022-01-10 06:59:00,214 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_aso.1.M4-2.c [2022-01-10 06:59:00,222 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:59:00,222 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:59:00,292 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:59:00,303 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 06:59:00,303 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:59:00,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 2339 states, 1375 states have (on average 1.1985454545454546) internal successors, (1648), 1380 states have internal predecessors, (1648), 940 states have call successors, (940), 22 states have call predecessors, (940), 22 states have return successors, (940), 938 states have call predecessors, (940), 940 states have call successors, (940) [2022-01-10 06:59:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2022-01-10 06:59:00,471 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:59:00,473 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, 1, 1] [2022-01-10 06:59:00,474 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:59:00,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:59:00,482 INFO L85 PathProgramCache]: Analyzing trace with hash 181886461, now seen corresponding path program 1 times [2022-01-10 06:59:00,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:59:00,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829561307] [2022-01-10 06:59:00,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:59:00,502 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:59:00,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:59:00,504 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 06:59:00,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process