/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.3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 06:59:34,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 06:59:34,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 06:59:34,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 06:59:34,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 06:59:34,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 06:59:34,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 06:59:34,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 06:59:34,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 06:59:34,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 06:59:34,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 06:59:34,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 06:59:34,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 06:59:34,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 06:59:34,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 06:59:34,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 06:59:34,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 06:59:34,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 06:59:34,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 06:59:34,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 06:59:34,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 06:59:34,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 06:59:34,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 06:59:34,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 06:59:34,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 06:59:34,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 06:59:34,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 06:59:34,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 06:59:34,463 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 06:59:34,482 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 06:59:34,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 06:59:34,483 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 06:59:34,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 06:59:34,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 06:59:34,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 06:59:34,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 06:59:34,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 06:59:34,484 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 06:59:34,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 06:59:34,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 06:59:34,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 06:59:34,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 06:59:34,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 06:59:34,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 06:59:34,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 06:59:34,485 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 06:59:34,485 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 06:59:34,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 06:59:34,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 06:59:34,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 06:59:34,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 06:59:34,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 06:59:34,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:59:34,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 06:59:34,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 06:59:34,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 06:59:34,486 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 06:59:34,487 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 06:59:34,487 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 06:59:34,487 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 06:59:34,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 06:59:34,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 06:59:34,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 06:59:34,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 06:59:34,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 06:59:34,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 06:59:34,694 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 06:59:34,694 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 06:59:34,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c [2022-01-10 06:59:34,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23de8c0cf/0d919fcc16b54e57a18a50a7c844b630/FLAGbdd85bfb6 [2022-01-10 06:59:35,268 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 06:59:35,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c [2022-01-10 06:59:35,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23de8c0cf/0d919fcc16b54e57a18a50a7c844b630/FLAGbdd85bfb6 [2022-01-10 06:59:35,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23de8c0cf/0d919fcc16b54e57a18a50a7c844b630 [2022-01-10 06:59:35,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 06:59:35,749 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 06:59:35,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 06:59:35,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 06:59:35,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 06:59:35,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:59:35" (1/1) ... [2022-01-10 06:59:35,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd11a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:35, skipping insertion in model container [2022-01-10 06:59:35,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:59:35" (1/1) ... [2022-01-10 06:59:35,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 06:59:35,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 06:59:36,000 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.3-1.c[1870,1883] [2022-01-10 06:59:36,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:59:36,446 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 06:59:36,458 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.3-1.c[1870,1883] [2022-01-10 06:59:36,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 06:59:36,700 INFO L208 MainTranslator]: Completed translation [2022-01-10 06:59:36,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:36 WrapperNode [2022-01-10 06:59:36,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 06:59:36,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 06:59:36,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 06:59:36,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 06:59:36,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:36" (1/1) ... [2022-01-10 06:59:36,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:36" (1/1) ... [2022-01-10 06:59:36,966 INFO L137 Inliner]: procedures = 105, calls = 2816, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8286 [2022-01-10 06:59:36,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 06:59:36,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 06:59:36,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 06:59:36,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 06:59:36,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:36" (1/1) ... [2022-01-10 06:59:36,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:36" (1/1) ... [2022-01-10 06:59:37,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:36" (1/1) ... [2022-01-10 06:59:37,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:36" (1/1) ... [2022-01-10 06:59:37,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:36" (1/1) ... [2022-01-10 06:59:37,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:36" (1/1) ... [2022-01-10 06:59:37,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:36" (1/1) ... [2022-01-10 06:59:37,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 06:59:37,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 06:59:37,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 06:59:37,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 06:59:37,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:36" (1/1) ... [2022-01-10 06:59:37,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 06:59:37,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 06:59:37,292 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 06:59:37,333 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 06:59:37,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-10 06:59:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-01-10 06:59:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-01-10 06:59:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 06:59:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-01-10 06:59:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-01-10 06:59:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-01-10 06:59:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 06:59:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-01-10 06:59:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-01-10 06:59:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-01-10 06:59:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-01-10 06:59:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-01-10 06:59:37,362 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-01-10 06:59:37,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-01-10 06:59:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-01-10 06:59:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-01-10 06:59:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-01-10 06:59:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-01-10 06:59:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-01-10 06:59:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-01-10 06:59:37,363 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 06:59:37,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-01-10 06:59:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-01-10 06:59:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-01-10 06:59:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-01-10 06:59:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-01-10 06:59:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-01-10 06:59:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-01-10 06:59:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-01-10 06:59:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-01-10 06:59:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-01-10 06:59:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-01-10 06:59:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-01-10 06:59:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-01-10 06:59:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-01-10 06:59:37,364 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-01-10 06:59:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 06:59:37,364 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-01-10 06:59:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-01-10 06:59:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-01-10 06:59:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-01-10 06:59:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-01-10 06:59:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-01-10 06:59:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-01-10 06:59:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-01-10 06:59:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-01-10 06:59:37,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-01-10 06:59:37,365 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-01-10 06:59:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-01-10 06:59:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-01-10 06:59:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-01-10 06:59:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-01-10 06:59:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-01-10 06:59:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-01-10 06:59:37,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-01-10 06:59:37,366 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-01-10 06:59:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-01-10 06:59:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-01-10 06:59:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-01-10 06:59:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-01-10 06:59:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-01-10 06:59:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-01-10 06:59:37,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-01-10 06:59:37,367 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 06:59:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-01-10 06:59:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-01-10 06:59:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-01-10 06:59:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-01-10 06:59:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-01-10 06:59:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-01-10 06:59:37,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-01-10 06:59:37,368 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-01-10 06:59:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-01-10 06:59:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-01-10 06:59:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-01-10 06:59:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 06:59:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-01-10 06:59:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-01-10 06:59:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-01-10 06:59:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-01-10 06:59:37,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-01-10 06:59:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 06:59:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-01-10 06:59:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-01-10 06:59:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-01-10 06:59:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-01-10 06:59:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-01-10 06:59:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 06:59:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-01-10 06:59:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-01-10 06:59:37,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-01-10 06:59:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-01-10 06:59:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-01-10 06:59:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-01-10 06:59:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-01-10 06:59:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-01-10 06:59:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-01-10 06:59:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 06:59:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 06:59:37,839 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 06:59:37,841 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 06:59:52,855 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 06:59:52,872 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 06:59:52,872 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-10 06:59:52,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:59:52 BoogieIcfgContainer [2022-01-10 06:59:52,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 06:59:52,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 06:59:52,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 06:59:52,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 06:59:52,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:59:35" (1/3) ... [2022-01-10 06:59:52,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f4daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:59:52, skipping insertion in model container [2022-01-10 06:59:52,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:59:36" (2/3) ... [2022-01-10 06:59:52,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28f4daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:59:52, skipping insertion in model container [2022-01-10 06:59:52,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:59:52" (3/3) ... [2022-01-10 06:59:52,882 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-1.c [2022-01-10 06:59:52,885 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 06:59:52,885 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 06:59:52,960 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 06:59:52,967 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 06:59:52,968 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 06:59:53,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 2465 states, 2113 states have (on average 1.4803596781826787) internal successors, (3128), 2137 states have internal predecessors, (3128), 306 states have call successors, (306), 44 states have call predecessors, (306), 44 states have return successors, (306), 296 states have call predecessors, (306), 306 states have call successors, (306) [2022-01-10 06:59:53,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-01-10 06:59:53,028 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 06:59:53,029 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 06:59:53,029 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 06:59:53,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 06:59:53,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1381223433, now seen corresponding path program 1 times [2022-01-10 06:59:53,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 06:59:53,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835094505] [2022-01-10 06:59:53,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 06:59:53,048 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 06:59:53,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 06:59:53,051 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 06:59:53,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process