./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 15:04:02,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 15:04:02,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 15:04:02,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 15:04:02,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 15:04:02,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 15:04:02,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 15:04:02,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 15:04:02,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 15:04:02,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 15:04:02,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 15:04:02,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 15:04:02,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 15:04:02,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 15:04:02,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 15:04:02,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 15:04:02,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 15:04:02,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 15:04:02,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 15:04:02,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 15:04:02,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 15:04:02,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 15:04:02,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 15:04:02,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 15:04:02,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 15:04:02,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 15:04:02,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 15:04:02,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 15:04:02,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 15:04:02,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 15:04:02,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 15:04:02,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 15:04:02,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 15:04:02,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 15:04:02,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 15:04:02,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 15:04:02,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 15:04:02,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 15:04:02,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 15:04:02,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 15:04:02,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 15:04:02,678 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 15:04:02,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 15:04:02,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 15:04:02,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 15:04:02,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 15:04:02,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 15:04:02,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 15:04:02,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 15:04:02,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 15:04:02,708 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 15:04:02,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 15:04:02,709 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 15:04:02,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 15:04:02,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 15:04:02,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 15:04:02,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 15:04:02,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 15:04:02,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 15:04:02,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 15:04:02,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 15:04:02,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 15:04:02,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 15:04:02,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 15:04:02,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 15:04:02,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 15:04:02,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 15:04:02,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 15:04:02,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 15:04:02,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 15:04:02,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 15:04:02,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 15:04:02,712 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 15:04:02,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 15:04:02,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 15:04:02,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 15:04:02,713 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 687a1636a89f1fab4c90438b5af97b62d434d4fc2275ba6796fa2a6782584d1d [2021-12-14 15:04:02,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 15:04:02,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 15:04:02,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 15:04:02,934 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 15:04:02,935 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 15:04:02,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2021-12-14 15:04:02,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e090d042/692c32986e0a4d6a9e6f9b620e55dfe8/FLAG6d0348dbe [2021-12-14 15:04:03,492 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 15:04:03,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.1.c [2021-12-14 15:04:03,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e090d042/692c32986e0a4d6a9e6f9b620e55dfe8/FLAG6d0348dbe [2021-12-14 15:04:04,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e090d042/692c32986e0a4d6a9e6f9b620e55dfe8 [2021-12-14 15:04:04,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 15:04:04,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 15:04:04,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 15:04:04,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 15:04:04,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 15:04:04,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:04:04" (1/1) ... [2021-12-14 15:04:04,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444b7bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:04, skipping insertion in model container [2021-12-14 15:04:04,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:04:04" (1/1) ... [2021-12-14 15:04:04,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 15:04:04,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 15:04:04,287 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] [2021-12-14 15:04:04,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 15:04:04,824 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 15:04:04,835 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] [2021-12-14 15:04:05,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 15:04:05,139 INFO L208 MainTranslator]: Completed translation [2021-12-14 15:04:05,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05 WrapperNode [2021-12-14 15:04:05,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 15:04:05,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 15:04:05,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 15:04:05,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 15:04:05,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05" (1/1) ... [2021-12-14 15:04:05,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05" (1/1) ... [2021-12-14 15:04:05,824 INFO L137 Inliner]: procedures = 101, calls = 6646, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21149 [2021-12-14 15:04:05,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 15:04:05,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 15:04:05,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 15:04:05,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 15:04:05,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05" (1/1) ... [2021-12-14 15:04:05,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05" (1/1) ... [2021-12-14 15:04:05,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05" (1/1) ... [2021-12-14 15:04:05,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05" (1/1) ... [2021-12-14 15:04:06,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05" (1/1) ... [2021-12-14 15:04:06,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05" (1/1) ... [2021-12-14 15:04:06,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05" (1/1) ... [2021-12-14 15:04:06,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 15:04:06,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 15:04:06,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 15:04:06,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 15:04:06,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05" (1/1) ... [2021-12-14 15:04:06,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 15:04:06,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 15:04:06,470 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) [2021-12-14 15:04:06,477 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 [2021-12-14 15:04:06,497 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-12-14 15:04:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-12-14 15:04:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-12-14 15:04:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-12-14 15:04:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 15:04:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-12-14 15:04:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-12-14 15:04:06,498 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-14 15:04:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-14 15:04:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-14 15:04:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-14 15:04:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-12-14 15:04:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-12-14 15:04:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-12-14 15:04:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-12-14 15:04:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-12-14 15:04:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-12-14 15:04:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-12-14 15:04:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-12-14 15:04:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 15:04:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-14 15:04:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-14 15:04:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-12-14 15:04:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-12-14 15:04:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-12-14 15:04:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-12-14 15:04:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-12-14 15:04:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-12-14 15:04:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-12-14 15:04:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-12-14 15:04:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-12-14 15:04:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-12-14 15:04:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-14 15:04:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-14 15:04:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 15:04:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-14 15:04:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-14 15:04:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-12-14 15:04:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-12-14 15:04:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-12-14 15:04:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-12-14 15:04:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-12-14 15:04:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-12-14 15:04:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-14 15:04:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-14 15:04:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-12-14 15:04:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-12-14 15:04:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-14 15:04:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-14 15:04:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-12-14 15:04:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-12-14 15:04:06,504 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-12-14 15:04:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-12-14 15:04:06,505 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-14 15:04:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-14 15:04:06,505 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-12-14 15:04:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-12-14 15:04:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-12-14 15:04:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-12-14 15:04:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-12-14 15:04:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-12-14 15:04:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-14 15:04:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-14 15:04:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-12-14 15:04:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-12-14 15:04:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-12-14 15:04:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-12-14 15:04:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-12-14 15:04:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-12-14 15:04:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-12-14 15:04:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-12-14 15:04:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-12-14 15:04:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-12-14 15:04:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-12-14 15:04:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-12-14 15:04:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-12-14 15:04:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-12-14 15:04:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-12-14 15:04:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-12-14 15:04:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2021-12-14 15:04:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2021-12-14 15:04:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-12-14 15:04:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-12-14 15:04:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-12-14 15:04:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-12-14 15:04:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-12-14 15:04:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-12-14 15:04:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 15:04:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-12-14 15:04:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-12-14 15:04:06,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 15:04:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 15:04:07,360 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 15:04:07,362 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 15:04:50,622 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 15:04:50,641 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 15:04:50,642 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-14 15:04:50,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:04:50 BoogieIcfgContainer [2021-12-14 15:04:50,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 15:04:50,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 15:04:50,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 15:04:50,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 15:04:50,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:04:04" (1/3) ... [2021-12-14 15:04:50,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a0ad39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:04:50, skipping insertion in model container [2021-12-14 15:04:50,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05" (2/3) ... [2021-12-14 15:04:50,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a0ad39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:04:50, skipping insertion in model container [2021-12-14 15:04:50,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:04:50" (3/3) ... [2021-12-14 15:04:50,656 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.1.c [2021-12-14 15:04:50,660 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 15:04:50,660 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 15:04:50,707 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 15:04:50,711 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 15:04:50,711 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 15:04:50,765 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) [2021-12-14 15:04:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2021-12-14 15:04:50,862 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 15:04:50,864 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 15:04:50,864 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 15:04:50,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 15:04:50,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1736524066, now seen corresponding path program 1 times [2021-12-14 15:04:50,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 15:04:50,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400438056] [2021-12-14 15:04:50,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 15:04:50,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms