./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 687a1636a89f1fab4c90438b5af97b62d434d4fc2275ba6796fa2a6782584d1d --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:54:16,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:54:16,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:54:16,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:54:16,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:54:16,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:54:16,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:54:16,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:54:16,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:54:16,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:54:16,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:54:16,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:54:16,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:54:16,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:54:16,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:54:16,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:54:16,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:54:16,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:54:16,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:54:16,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:54:16,312 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:54:16,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:54:16,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:54:16,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:54:16,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:54:16,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:54:16,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:54:16,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:54:16,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:54:16,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:54:16,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:54:16,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:54:16,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:54:16,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:54:16,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:54:16,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:54:16,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:54:16,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:54:16,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:54:16,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:54:16,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:54:16,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:54:16,337 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:54:16,357 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:54:16,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:54:16,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:54:16,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:54:16,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:54:16,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:54:16,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:54:16,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:54:16,360 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:54:16,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:54:16,361 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:54:16,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:54:16,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:54:16,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:54:16,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:54:16,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:54:16,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:54:16,363 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:54:16,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:54:16,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:54:16,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:54:16,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:54:16,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:54:16,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:54:16,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:54:16,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:54:16,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:54:16,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:54:16,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:54:16,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:54:16,366 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:54:16,366 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:54:16,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:54:16,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 687a1636a89f1fab4c90438b5af97b62d434d4fc2275ba6796fa2a6782584d1d [2022-07-19 17:54:16,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:54:16,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:54:16,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:54:16,649 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:54:16,651 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:54:16,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2022-07-19 17:54:16,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cd453115/3b34f400041b410f931aadceced37556/FLAG4f6e6be65 [2022-07-19 17:54:17,423 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:54:17,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2022-07-19 17:54:17,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cd453115/3b34f400041b410f931aadceced37556/FLAG4f6e6be65 [2022-07-19 17:54:17,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cd453115/3b34f400041b410f931aadceced37556 [2022-07-19 17:54:17,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:54:17,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:54:17,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:54:17,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:54:17,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:54:17,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:54:17" (1/1) ... [2022-07-19 17:54:17,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3123107c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:17, skipping insertion in model container [2022-07-19 17:54:17,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:54:17" (1/1) ... [2022-07-19 17:54:17,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:54:17,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:54:17,962 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] [2022-07-19 17:54:18,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:54:18,754 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:54:18,769 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] [2022-07-19 17:54:19,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:54:19,229 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:54:19,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:19 WrapperNode [2022-07-19 17:54:19,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:54:19,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:54:19,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:54:19,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:54:19,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:19" (1/1) ... [2022-07-19 17:54:19,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:19" (1/1) ... [2022-07-19 17:54:20,153 INFO L137 Inliner]: procedures = 101, calls = 6646, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21149 [2022-07-19 17:54:20,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:54:20,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:54:20,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:54:20,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:54:20,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:19" (1/1) ... [2022-07-19 17:54:20,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:19" (1/1) ... [2022-07-19 17:54:20,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:19" (1/1) ... [2022-07-19 17:54:20,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:19" (1/1) ... [2022-07-19 17:54:20,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:19" (1/1) ... [2022-07-19 17:54:20,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:19" (1/1) ... [2022-07-19 17:54:20,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:19" (1/1) ... [2022-07-19 17:54:21,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:54:21,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:54:21,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:54:21,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:54:21,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:19" (1/1) ... [2022-07-19 17:54:21,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:54:21,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:54:21,161 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) [2022-07-19 17:54:21,182 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 [2022-07-19 17:54:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-07-19 17:54:21,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-07-19 17:54:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-07-19 17:54:21,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-07-19 17:54:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 17:54:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-07-19 17:54:21,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-07-19 17:54:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-07-19 17:54:21,204 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-07-19 17:54:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-07-19 17:54:21,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-07-19 17:54:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-07-19 17:54:21,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-07-19 17:54:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-07-19 17:54:21,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-07-19 17:54:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-07-19 17:54:21,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-07-19 17:54:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-07-19 17:54:21,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-07-19 17:54:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 17:54:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-07-19 17:54:21,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-07-19 17:54:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-07-19 17:54:21,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-07-19 17:54:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-07-19 17:54:21,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-07-19 17:54:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-07-19 17:54:21,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-07-19 17:54:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-07-19 17:54:21,208 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-07-19 17:54:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-07-19 17:54:21,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-07-19 17:54:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-07-19 17:54:21,209 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-07-19 17:54:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:54:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-07-19 17:54:21,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-07-19 17:54:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-07-19 17:54:21,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-07-19 17:54:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-07-19 17:54:21,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-07-19 17:54:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-07-19 17:54:21,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-07-19 17:54:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-07-19 17:54:21,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-07-19 17:54:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-07-19 17:54:21,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-07-19 17:54:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-07-19 17:54:21,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-07-19 17:54:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-07-19 17:54:21,211 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-07-19 17:54:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-07-19 17:54:21,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-07-19 17:54:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-07-19 17:54:21,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-07-19 17:54:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-07-19 17:54:21,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-07-19 17:54:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-07-19 17:54:21,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-07-19 17:54:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-07-19 17:54:21,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-07-19 17:54:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-07-19 17:54:21,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-07-19 17:54:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-07-19 17:54:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-07-19 17:54:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-07-19 17:54:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-07-19 17:54:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-07-19 17:54:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-07-19 17:54:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-07-19 17:54:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-07-19 17:54:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-07-19 17:54:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-07-19 17:54:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-07-19 17:54:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-07-19 17:54:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-07-19 17:54:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-07-19 17:54:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-07-19 17:54:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-07-19 17:54:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-07-19 17:54:21,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-07-19 17:54:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-07-19 17:54:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-07-19 17:54:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-07-19 17:54:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-07-19 17:54:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-07-19 17:54:21,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-07-19 17:54:21,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:54:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-07-19 17:54:21,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-07-19 17:54:21,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:54:21,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:54:22,292 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:54:22,296 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:56:46,880 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:56:46,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:56:46,920 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-19 17:56:46,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:56:46 BoogieIcfgContainer [2022-07-19 17:56:46,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:56:46,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:56:46,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:56:46,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:56:46,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:54:17" (1/3) ... [2022-07-19 17:56:46,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139bb814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:56:46, skipping insertion in model container [2022-07-19 17:56:46,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:54:19" (2/3) ... [2022-07-19 17:56:46,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139bb814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:56:46, skipping insertion in model container [2022-07-19 17:56:46,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:56:46" (3/3) ... [2022-07-19 17:56:46,936 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.1.c [2022-07-19 17:56:46,948 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:56:46,949 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:56:47,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:56:47,070 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=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@cf6359d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4cf77f59 [2022-07-19 17:56:47,071 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:56:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 4820 states, 4432 states have (on average 1.5476083032490975) internal successors, (6859), 4456 states have internal predecessors, (6859), 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) [2022-07-19 17:56:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2022-07-19 17:56:47,263 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:56:47,266 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:56:47,267 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:56:47,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:56:47,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1736524066, now seen corresponding path program 1 times [2022-07-19 17:56:47,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:56:47,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754556682] [2022-07-19 17:56:47,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:56:47,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms