/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/rekcba_aso.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:57:06,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:57:06,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:57:07,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:57:07,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:57:07,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:57:07,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:57:07,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:57:07,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:57:07,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:57:07,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:57:07,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:57:07,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:57:07,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:57:07,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:57:07,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:57:07,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:57:07,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:57:07,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:57:07,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:57:07,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:57:07,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:57:07,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:57:07,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:57:07,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 06:57:07,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 06:57:07,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 06:57:07,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 06:57:07,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 06:57:07,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 06:57:07,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 06:57:07,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 06:57:07,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 06:57:07,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 06:57:07,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 06:57:07,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 06:57:07,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 06:57:07,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 06:57:07,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:57:07,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:57:07,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:57:07,065 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 06:57:07,097 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:57:07,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:57:07,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:57:07,098 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:57:07,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:57:07,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:57:07,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:57:07,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:57:07,099 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:57:07,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:57:07,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:57:07,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:57:07,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:57:07,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:57:07,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:57:07,100 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:57:07,100 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:57:07,100 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:57:07,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:57:07,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:57:07,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:57:07,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:57:07,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:57:07,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:57:07,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:57:07,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:57:07,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:57:07,101 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:57:07,101 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:57:07,101 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:57:07,101 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:57:07,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:57:07,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:57:07,101 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:57:07,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:57:07,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:57:07,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:57:07,372 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:57:07,373 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:57:07,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_aso.3.M1.c [2022-01-10 06:57:07,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9a8f80dd/072373614e964b78a0fa6c0b74534d4a/FLAG84f94fba8 [2022-01-10 06:57:07,951 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:57:07,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_aso.3.M1.c [2022-01-10 06:57:07,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9a8f80dd/072373614e964b78a0fa6c0b74534d4a/FLAG84f94fba8 [2022-01-10 06:57:08,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9a8f80dd/072373614e964b78a0fa6c0b74534d4a [2022-01-10 06:57:08,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:57:08,453 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:57:08,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:57:08,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:57:08,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:57:08,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:57:08" (1/1) ... [2022-01-10 06:57:08,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618b2f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:08, skipping insertion in model container [2022-01-10 06:57:08,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:57:08" (1/1) ... [2022-01-10 06:57:08,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:57:08,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:57:08,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_aso.3.M1.c[2061,2074] [2022-01-10 06:57:09,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:57:09,105 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:57:09,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_aso.3.M1.c[2061,2074] [2022-01-10 06:57:09,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:57:09,389 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:57:09,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:09 WrapperNode [2022-01-10 06:57:09,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:57:09,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:57:09,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:57:09,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:57:09,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:09" (1/1) ... [2022-01-10 06:57:09,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:09" (1/1) ... [2022-01-10 06:57:09,589 INFO L137 Inliner]: procedures = 75, calls = 3163, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 5935 [2022-01-10 06:57:09,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:57:09,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:57:09,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:57:09,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:57:09,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:09" (1/1) ... [2022-01-10 06:57:09,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:09" (1/1) ... [2022-01-10 06:57:09,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:09" (1/1) ... [2022-01-10 06:57:09,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:09" (1/1) ... [2022-01-10 06:57:09,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:09" (1/1) ... [2022-01-10 06:57:09,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:09" (1/1) ... [2022-01-10 06:57:09,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:09" (1/1) ... [2022-01-10 06:57:09,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:57:09,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:57:09,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:57:09,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:57:09,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:09" (1/1) ... [2022-01-10 06:57:09,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:57:09,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:57:09,877 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 06:57:09,958 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 06:57:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:57:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-01-10 06:57:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-01-10 06:57:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 06:57:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 06:57:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-10 06:57:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-01-10 06:57:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-01-10 06:57:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 06:57:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 06:57:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 06:57:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 06:57:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 06:57:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 06:57:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-01-10 06:57:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-01-10 06:57:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-01-10 06:57:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-01-10 06:57:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 06:57:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 06:57:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2022-01-10 06:57:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2022-01-10 06:57:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-01-10 06:57:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-01-10 06:57:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-01-10 06:57:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-01-10 06:57:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-01-10 06:57:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-01-10 06:57:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 06:57:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-01-10 06:57:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2022-01-10 06:57:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2022-01-10 06:57:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 06:57:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-01-10 06:57:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-01-10 06:57:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-01-10 06:57:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 06:57:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 06:57:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 06:57:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:57:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 06:57:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 06:57:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-01-10 06:57:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-01-10 06:57:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-01-10 06:57:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-01-10 06:57:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-01-10 06:57:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-01-10 06:57:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-10 06:57:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-10 06:57:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:57:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:57:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-01-10 06:57:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-01-10 06:57:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 06:57:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 06:57:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-01-10 06:57:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-01-10 06:57:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-01-10 06:57:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-01-10 06:57:10,409 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:57:10,411 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:57:26,654 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:57:26,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:57:26,679 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 06:57:26,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:57:26 BoogieIcfgContainer [2022-01-10 06:57:26,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:57:26,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:57:26,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:57:26,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:57:26,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:57:08" (1/3) ... [2022-01-10 06:57:26,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d021ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:57:26, skipping insertion in model container [2022-01-10 06:57:26,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:09" (2/3) ... [2022-01-10 06:57:26,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d021ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:57:26, skipping insertion in model container [2022-01-10 06:57:26,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:57:26" (3/3) ... [2022-01-10 06:57:26,693 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_aso.3.M1.c [2022-01-10 06:57:26,697 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:57:26,698 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:57:26,755 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:57:26,762 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 06:57:26,763 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:57:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 1650 states, 1023 states have (on average 1.2561094819159335) internal successors, (1285), 1055 states have internal predecessors, (1285), 600 states have call successors, (600), 25 states have call predecessors, (600), 25 states have return successors, (600), 598 states have call predecessors, (600), 600 states have call successors, (600) [2022-01-10 06:57:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1659 [2022-01-10 06:57:26,905 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:57:26,907 INFO L514 BasicCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:57:26,907 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:57:26,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:57:26,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1503460362, now seen corresponding path program 1 times [2022-01-10 06:57:26,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:57:26,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798604204] [2022-01-10 06:57:26,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:57:26,933 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:57:26,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:57:26,935 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 06:57:26,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process