/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_ctm.4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:59:38,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:59:38,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:59:38,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:59:38,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:59:38,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:59:38,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:59:38,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:59:38,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:59:38,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:59:38,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:59:38,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:59:38,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:59:38,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:59:38,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:59:38,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:59:38,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:59:38,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:59:38,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:59:38,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:59:38,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:59:38,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:59:38,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:59:38,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:59:38,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 06:59:38,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:59:38,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:59:38,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:59:38,971 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 06:59:39,002 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:59:39,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:59:39,003 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:59:39,003 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:59:39,004 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:59:39,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:59:39,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:59:39,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:59:39,005 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:59:39,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:59:39,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:59:39,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:59:39,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:59:39,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:59:39,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:59:39,006 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:59:39,006 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:59:39,006 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:59:39,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:59:39,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:59:39,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:59:39,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:59:39,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:59:39,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:59:39,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:59:39,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:59:39,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:59:39,008 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:59:39,008 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:59:39,008 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:59:39,008 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:59:39,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:59:39,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:59:39,008 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:59:39,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:59:39,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:59:39,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:59:39,249 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:59:39,250 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:59:39,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.4.c [2022-01-10 06:59:39,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3f208853/6fcdd057049f471da49366164eee6505/FLAGb4788477b [2022-01-10 06:59:39,825 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:59:39,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.4.c [2022-01-10 06:59:39,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3f208853/6fcdd057049f471da49366164eee6505/FLAGb4788477b [2022-01-10 06:59:40,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3f208853/6fcdd057049f471da49366164eee6505 [2022-01-10 06:59:40,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:59:40,048 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:59:40,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:59:40,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:59:40,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:59:40,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:59:40" (1/1) ... [2022-01-10 06:59:40,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a8eab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:40, skipping insertion in model container [2022-01-10 06:59:40,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:59:40" (1/1) ... [2022-01-10 06:59:40,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:59:40,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:59:40,317 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_ctm.4.c[1868,1881] [2022-01-10 06:59:40,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:59:40,836 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:59:40,848 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_ctm.4.c[1868,1881] [2022-01-10 06:59:41,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:59:41,178 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:59:41,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:41 WrapperNode [2022-01-10 06:59:41,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:59:41,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:59:41,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:59:41,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:59:41,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:41" (1/1) ... [2022-01-10 06:59:41,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:41" (1/1) ... [2022-01-10 06:59:41,476 INFO L137 Inliner]: procedures = 105, calls = 2906, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8422 [2022-01-10 06:59:41,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:59:41,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:59:41,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:59:41,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:59:41,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:41" (1/1) ... [2022-01-10 06:59:41,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:41" (1/1) ... [2022-01-10 06:59:41,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:41" (1/1) ... [2022-01-10 06:59:41,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:41" (1/1) ... [2022-01-10 06:59:41,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:41" (1/1) ... [2022-01-10 06:59:41,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:41" (1/1) ... [2022-01-10 06:59:41,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:41" (1/1) ... [2022-01-10 06:59:41,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:59:41,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:59:41,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:59:41,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:59:41,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:41" (1/1) ... [2022-01-10 06:59:41,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:59:41,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:59:42,009 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 06:59:42,020 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 06:59:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-10 06:59:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-01-10 06:59:42,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-01-10 06:59:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 06:59:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-01-10 06:59:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-01-10 06:59:42,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-01-10 06:59:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 06:59:42,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 06:59:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 06:59:42,054 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 06:59:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-01-10 06:59:42,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-01-10 06:59:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-01-10 06:59:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-01-10 06:59:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-01-10 06:59:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-01-10 06:59:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-01-10 06:59:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-01-10 06:59:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-01-10 06:59:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-01-10 06:59:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 06:59:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 06:59:42,055 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 06:59:42,055 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 06:59:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-01-10 06:59:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-01-10 06:59:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-01-10 06:59:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-01-10 06:59:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-01-10 06:59:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-01-10 06:59:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-01-10 06:59:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-01-10 06:59:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-01-10 06:59:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-01-10 06:59:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 06:59:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 06:59:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:59:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 06:59:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 06:59:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-01-10 06:59:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-01-10 06:59:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-01-10 06:59:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-01-10 06:59:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-01-10 06:59:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-01-10 06:59:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 06:59:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 06:59:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-01-10 06:59:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-01-10 06:59:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 06:59:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 06:59:42,058 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-01-10 06:59:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-01-10 06:59:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-01-10 06:59:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-01-10 06:59:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-01-10 06:59:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-01-10 06:59:42,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-01-10 06:59:42,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-01-10 06:59:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-01-10 06:59:42,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-01-10 06:59:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-01-10 06:59:42,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-01-10 06:59:42,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 06:59:42,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 06:59:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-01-10 06:59:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-01-10 06:59:42,061 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-01-10 06:59:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-01-10 06:59:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-01-10 06:59:42,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-01-10 06:59:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-01-10 06:59:42,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-01-10 06:59:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-01-10 06:59:42,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-01-10 06:59:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 06:59:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-01-10 06:59:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-01-10 06:59:42,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-01-10 06:59:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-01-10 06:59:42,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-01-10 06:59:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 06:59:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-01-10 06:59:42,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-01-10 06:59:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-01-10 06:59:42,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-01-10 06:59:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-01-10 06:59:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:59:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-01-10 06:59:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-01-10 06:59:42,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-01-10 06:59:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-01-10 06:59:42,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-01-10 06:59:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-01-10 06:59:42,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-01-10 06:59:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-01-10 06:59:42,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-01-10 06:59:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:59:42,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:59:42,679 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:59:42,681 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:59:57,834 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:59:57,861 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:59:57,862 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-10 06:59:57,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:59:57 BoogieIcfgContainer [2022-01-10 06:59:57,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:59:57,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:59:57,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:59:57,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:59:57,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:59:40" (1/3) ... [2022-01-10 06:59:57,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209139aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:59:57, skipping insertion in model container [2022-01-10 06:59:57,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:41" (2/3) ... [2022-01-10 06:59:57,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209139aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:59:57, skipping insertion in model container [2022-01-10 06:59:57,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:59:57" (3/3) ... [2022-01-10 06:59:57,877 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_ctm.4.c [2022-01-10 06:59:57,882 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:59:57,882 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:59:57,947 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:59:57,955 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 06:59:57,956 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:59:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 2469 states, 2115 states have (on average 1.4799054373522458) internal successors, (3130), 2139 states have internal predecessors, (3130), 308 states have call successors, (308), 44 states have call predecessors, (308), 44 states have return successors, (308), 298 states have call predecessors, (308), 308 states have call successors, (308) [2022-01-10 06:59:58,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-01-10 06:59:58,056 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:59:58,057 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:59:58,057 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:59:58,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:59:58,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1151272851, now seen corresponding path program 1 times [2022-01-10 06:59:58,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:59:58,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194095627] [2022-01-10 06:59:58,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:59:58,079 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:59:58,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:59:58,087 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 06:59:58,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process