/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:31:31,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:31:31,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:31:31,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:31:31,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:31:31,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:31:31,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:31:31,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:31:31,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:31:31,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:31:31,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:31:31,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:31:31,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:31:31,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:31:31,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:31:31,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:31:31,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:31:31,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:31:31,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:31:31,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:31:31,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:31:31,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:31:31,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:31:31,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:31:31,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:31:31,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:31:31,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:31:31,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:31:31,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 15:31:31,261 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:31:31,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:31:31,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:31:31,262 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:31:31,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:31:31,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:31:31,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:31:31,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:31:31,267 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:31:31,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:31:31,268 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:31:31,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:31:31,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:31:31,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:31:31,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:31:31,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:31:31,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:31:31,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:31:31,270 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:31:31,270 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:31:31,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:31:31,271 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:31:31,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:31:31,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:31:31,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:31:31,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:31:31,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:31:31,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:31:31,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:31:31,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:31:31,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:31:31,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:31:31,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:31:31,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:31:31,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:31:31,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:31:31,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:31:31,716 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:31:31,716 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:31:31,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2022-10-16 15:31:31,797 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc52a70c8/ba79e88c7b594a079299b5579c204984/FLAG68f49c555 [2022-10-16 15:31:32,806 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:31:32,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2022-10-16 15:31:32,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc52a70c8/ba79e88c7b594a079299b5579c204984/FLAG68f49c555 [2022-10-16 15:31:33,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc52a70c8/ba79e88c7b594a079299b5579c204984 [2022-10-16 15:31:33,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:31:33,274 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:31:33,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:31:33,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:31:33,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:31:33,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:31:33" (1/1) ... [2022-10-16 15:31:33,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58822ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:33, skipping insertion in model container [2022-10-16 15:31:33,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:31:33" (1/1) ... [2022-10-16 15:31:33,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:31:33,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:31:33,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c[2213,2226] [2022-10-16 15:31:34,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:31:34,864 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:31:34,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c[2213,2226] [2022-10-16 15:31:35,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:31:35,491 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:31:35,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35 WrapperNode [2022-10-16 15:31:35,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:31:35,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:31:35,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:31:35,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:31:35,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35" (1/1) ... [2022-10-16 15:31:35,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35" (1/1) ... [2022-10-16 15:31:36,409 INFO L138 Inliner]: procedures = 101, calls = 6646, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21233 [2022-10-16 15:31:36,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:31:36,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:31:36,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:31:36,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:31:36,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35" (1/1) ... [2022-10-16 15:31:36,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35" (1/1) ... [2022-10-16 15:31:36,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35" (1/1) ... [2022-10-16 15:31:36,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35" (1/1) ... [2022-10-16 15:31:37,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35" (1/1) ... [2022-10-16 15:31:37,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35" (1/1) ... [2022-10-16 15:31:37,742 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35" (1/1) ... [2022-10-16 15:31:37,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35" (1/1) ... [2022-10-16 15:31:37,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:31:37,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:31:37,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:31:37,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:31:37,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35" (1/1) ... [2022-10-16 15:31:37,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:31:37,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:31:37,917 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) [2022-10-16 15:31:37,936 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 [2022-10-16 15:31:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-10-16 15:31:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-10-16 15:31:37,978 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-10-16 15:31:37,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-10-16 15:31:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 15:31:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-10-16 15:31:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-10-16 15:31:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-10-16 15:31:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-10-16 15:31:37,979 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-10-16 15:31:37,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-10-16 15:31:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-10-16 15:31:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-10-16 15:31:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-10-16 15:31:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-10-16 15:31:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-10-16 15:31:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-10-16 15:31:37,980 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-10-16 15:31:37,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-10-16 15:31:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 15:31:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-16 15:31:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-16 15:31:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-10-16 15:31:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-10-16 15:31:37,981 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-10-16 15:31:37,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-10-16 15:31:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-10-16 15:31:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-10-16 15:31:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-10-16 15:31:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-10-16 15:31:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-10-16 15:31:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-10-16 15:31:37,982 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-10-16 15:31:37,982 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-10-16 15:31:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:31:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-10-16 15:31:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-10-16 15:31:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-10-16 15:31:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-10-16 15:31:37,983 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-10-16 15:31:37,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-10-16 15:31:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-10-16 15:31:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-10-16 15:31:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-10-16 15:31:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-10-16 15:31:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-10-16 15:31:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-10-16 15:31:37,984 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-10-16 15:31:37,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-10-16 15:31:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-10-16 15:31:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-10-16 15:31:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-10-16 15:31:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-10-16 15:31:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-10-16 15:31:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-10-16 15:31:37,985 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-10-16 15:31:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-10-16 15:31:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-10-16 15:31:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-10-16 15:31:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-10-16 15:31:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-10-16 15:31:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-10-16 15:31:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-10-16 15:31:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-10-16 15:31:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-10-16 15:31:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-10-16 15:31:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-10-16 15:31:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-10-16 15:31:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-10-16 15:31:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-10-16 15:31:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-10-16 15:31:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-10-16 15:31:37,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-10-16 15:31:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-10-16 15:31:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-10-16 15:31:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-10-16 15:31:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-10-16 15:31:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-10-16 15:31:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-10-16 15:31:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-10-16 15:31:37,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-10-16 15:31:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-10-16 15:31:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-10-16 15:31:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-10-16 15:31:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-10-16 15:31:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-10-16 15:31:37,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-10-16 15:31:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:31:37,990 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-10-16 15:31:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-10-16 15:31:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:31:37,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:31:39,001 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:31:39,004 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:35:53,669 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:35:53,713 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:35:53,713 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 15:35:53,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:35:53 BoogieIcfgContainer [2022-10-16 15:35:53,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:35:53,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:35:53,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:35:53,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:35:53,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:31:33" (1/3) ... [2022-10-16 15:35:53,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9a2574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:35:53, skipping insertion in model container [2022-10-16 15:35:53,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:31:35" (2/3) ... [2022-10-16 15:35:53,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9a2574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:35:53, skipping insertion in model container [2022-10-16 15:35:53,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:35:53" (3/3) ... [2022-10-16 15:35:53,736 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.1.c [2022-10-16 15:35:53,761 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:35:53,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 96 error locations. [2022-10-16 15:35:53,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:35:53,939 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@568214fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:35:53,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2022-10-16 15:35:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 5011 states, 4528 states have (on average 1.5569787985865724) internal successors, (7050), 4647 states have internal predecessors, (7050), 343 states have call successors, (343), 43 states have call predecessors, (343), 43 states have return successors, (343), 333 states have call predecessors, (343), 343 states have call successors, (343) [2022-10-16 15:35:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-16 15:35:53,973 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:35:53,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:35:53,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__startrek_entry_pt_WriterErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __startrek_entry_pt_WriterErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 94 more)] === [2022-10-16 15:35:53,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:35:53,982 INFO L85 PathProgramCache]: Analyzing trace with hash 877797249, now seen corresponding path program 1 times [2022-10-16 15:35:53,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:35:53,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338185859] [2022-10-16 15:35:53,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:35:53,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms