./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 35987657 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-?-3598765 [2022-07-21 05:30:25,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 05:30:25,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 05:30:25,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 05:30:25,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 05:30:25,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 05:30:25,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 05:30:25,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 05:30:25,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 05:30:25,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 05:30:25,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 05:30:25,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 05:30:25,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 05:30:25,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 05:30:25,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 05:30:25,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 05:30:25,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 05:30:25,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 05:30:25,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 05:30:25,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 05:30:25,514 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 05:30:25,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 05:30:25,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 05:30:25,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 05:30:25,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 05:30:25,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 05:30:25,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 05:30:25,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 05:30:25,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 05:30:25,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 05:30:25,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 05:30:25,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 05:30:25,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 05:30:25,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 05:30:25,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 05:30:25,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 05:30:25,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 05:30:25,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 05:30:25,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 05:30:25,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 05:30:25,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 05:30:25,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 05:30:25,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 05:30:25,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 05:30:25,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 05:30:25,594 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 05:30:25,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 05:30:25,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 05:30:25,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 05:30:25,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 05:30:25,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 05:30:25,597 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 05:30:25,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 05:30:25,598 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 05:30:25,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 05:30:25,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 05:30:25,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 05:30:25,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 05:30:25,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 05:30:25,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 05:30:25,599 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 05:30:25,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 05:30:25,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 05:30:25,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 05:30:25,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 05:30:25,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 05:30:25,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 05:30:25,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:30:25,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 05:30:25,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 05:30:25,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 05:30:25,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 05:30:25,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 05:30:25,602 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 05:30:25,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 05:30:25,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 05:30:25,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 687a1636a89f1fab4c90438b5af97b62d434d4fc2275ba6796fa2a6782584d1d [2022-07-21 05:30:25,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 05:30:25,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 05:30:25,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 05:30:25,977 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 05:30:25,978 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 05:30:25,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2022-07-21 05:30:26,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c587d3341/f58c8b34f9054f9a9e8a5175337b6622/FLAG30a209930 [2022-07-21 05:30:26,747 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 05:30:26,748 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2022-07-21 05:30:26,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c587d3341/f58c8b34f9054f9a9e8a5175337b6622/FLAG30a209930 [2022-07-21 05:30:26,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c587d3341/f58c8b34f9054f9a9e8a5175337b6622 [2022-07-21 05:30:26,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 05:30:26,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 05:30:26,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 05:30:26,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 05:30:26,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 05:30:26,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:30:26" (1/1) ... [2022-07-21 05:30:26,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7227082c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:26, skipping insertion in model container [2022-07-21 05:30:26,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:30:26" (1/1) ... [2022-07-21 05:30:26,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 05:30:27,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 05:30:27,289 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] [2022-07-21 05:30:28,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:30:28,243 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 05:30:28,254 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] [2022-07-21 05:30:28,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:30:28,930 INFO L208 MainTranslator]: Completed translation [2022-07-21 05:30:28,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:28 WrapperNode [2022-07-21 05:30:28,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 05:30:28,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 05:30:28,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 05:30:28,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 05:30:28,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:28" (1/1) ... [2022-07-21 05:30:29,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:28" (1/1) ... [2022-07-21 05:30:29,970 INFO L137 Inliner]: procedures = 101, calls = 6646, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21149 [2022-07-21 05:30:29,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 05:30:29,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 05:30:29,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 05:30:29,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 05:30:29,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:28" (1/1) ... [2022-07-21 05:30:29,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:28" (1/1) ... [2022-07-21 05:30:30,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:28" (1/1) ... [2022-07-21 05:30:30,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:28" (1/1) ... [2022-07-21 05:30:30,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:28" (1/1) ... [2022-07-21 05:30:30,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:28" (1/1) ... [2022-07-21 05:30:30,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:28" (1/1) ... [2022-07-21 05:30:30,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 05:30:30,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 05:30:30,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 05:30:30,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 05:30:30,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:28" (1/1) ... [2022-07-21 05:30:30,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:30:30,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:30:30,809 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) [2022-07-21 05:30:30,822 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 [2022-07-21 05:30:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-07-21 05:30:30,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-07-21 05:30:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-07-21 05:30:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-07-21 05:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 05:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-07-21 05:30:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-07-21 05:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-07-21 05:30:30,848 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-07-21 05:30:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-07-21 05:30:30,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-07-21 05:30:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-07-21 05:30:30,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-07-21 05:30:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-07-21 05:30:30,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-07-21 05:30:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-07-21 05:30:30,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-07-21 05:30:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-07-21 05:30:30,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-07-21 05:30:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 05:30:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-07-21 05:30:30,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-07-21 05:30:30,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-07-21 05:30:30,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-07-21 05:30:30,851 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-07-21 05:30:30,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-07-21 05:30:30,851 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-07-21 05:30:30,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-07-21 05:30:30,851 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-07-21 05:30:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-07-21 05:30:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-07-21 05:30:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-07-21 05:30:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-07-21 05:30:30,852 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-07-21 05:30:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 05:30:30,852 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-07-21 05:30:30,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-07-21 05:30:30,853 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-07-21 05:30:30,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-07-21 05:30:30,853 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-07-21 05:30:30,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-07-21 05:30:30,853 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-07-21 05:30:30,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-07-21 05:30:30,854 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-07-21 05:30:30,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-07-21 05:30:30,854 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-07-21 05:30:30,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-07-21 05:30:30,854 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-07-21 05:30:30,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-07-21 05:30:30,854 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-07-21 05:30:30,855 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-07-21 05:30:30,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-07-21 05:30:30,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-07-21 05:30:30,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-07-21 05:30:30,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-07-21 05:30:30,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-07-21 05:30:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-07-21 05:30:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-07-21 05:30:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-07-21 05:30:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-07-21 05:30:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-07-21 05:30:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-07-21 05:30:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-07-21 05:30:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-07-21 05:30:30,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-07-21 05:30:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-07-21 05:30:30,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-07-21 05:30:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-07-21 05:30:30,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-07-21 05:30:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-07-21 05:30:30,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-07-21 05:30:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-07-21 05:30:30,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-07-21 05:30:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-07-21 05:30:30,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-07-21 05:30:30,858 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-07-21 05:30:30,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-07-21 05:30:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-07-21 05:30:30,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-07-21 05:30:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-07-21 05:30:30,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-07-21 05:30:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-07-21 05:30:30,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-07-21 05:30:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-07-21 05:30:30,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-07-21 05:30:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-07-21 05:30:30,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-07-21 05:30:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 05:30:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-07-21 05:30:30,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-07-21 05:30:30,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 05:30:30,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 05:30:31,877 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 05:30:31,880 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 05:32:56,514 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 05:32:56,557 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 05:32:56,557 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-21 05:32:56,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:32:56 BoogieIcfgContainer [2022-07-21 05:32:56,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 05:32:56,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 05:32:56,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 05:32:56,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 05:32:56,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:30:26" (1/3) ... [2022-07-21 05:32:56,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55597d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:32:56, skipping insertion in model container [2022-07-21 05:32:56,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:30:28" (2/3) ... [2022-07-21 05:32:56,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55597d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:32:56, skipping insertion in model container [2022-07-21 05:32:56,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:32:56" (3/3) ... [2022-07-21 05:32:56,575 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.1.c [2022-07-21 05:32:56,588 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 05:32:56,588 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 05:32:56,699 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 05:32:56,705 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@6df5313d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@500b6a1d [2022-07-21 05:32:56,706 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 05:32:56,740 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) [2022-07-21 05:32:56,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2022-07-21 05:32:56,896 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:32:56,898 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] [2022-07-21 05:32:56,899 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:32:56,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:32:56,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1736524066, now seen corresponding path program 1 times [2022-07-21 05:32:56,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:32:56,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545520664] [2022-07-21 05:32:56,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:32:56,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms