./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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.2-1.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 0cc4860b4f5a0d0365cbcd156b11008fe087fa6dc867cdd4b4d117ba6b8a4a03 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 01:15:03,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 01:15:03,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 01:15:03,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 01:15:03,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 01:15:03,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 01:15:03,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 01:15:03,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 01:15:03,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 01:15:03,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 01:15:03,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 01:15:03,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 01:15:03,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 01:15:03,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 01:15:03,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 01:15:03,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 01:15:03,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 01:15:03,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 01:15:03,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 01:15:03,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 01:15:03,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 01:15:03,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 01:15:03,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 01:15:03,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 01:15:03,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 01:15:03,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 01:15:03,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 01:15:03,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 01:15:03,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 01:15:03,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 01:15:03,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 01:15:03,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 01:15:03,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 01:15:03,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 01:15:03,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 01:15:03,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 01:15:03,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 01:15:03,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 01:15:03,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 01:15:03,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 01:15:03,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 01:15:03,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 01:15:03,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 01:15:03,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 01:15:03,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 01:15:03,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 01:15:03,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 01:15:03,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 01:15:03,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 01:15:03,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 01:15:03,551 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 01:15:03,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 01:15:03,552 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 01:15:03,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 01:15:03,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 01:15:03,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 01:15:03,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 01:15:03,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 01:15:03,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 01:15:03,553 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 01:15:03,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 01:15:03,553 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 01:15:03,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 01:15:03,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 01:15:03,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 01:15:03,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 01:15:03,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 01:15:03,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 01:15:03,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 01:15:03,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 01:15:03,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 01:15:03,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 01:15:03,555 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 01:15:03,555 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 01:15:03,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 01:15:03,555 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc4860b4f5a0d0365cbcd156b11008fe087fa6dc867cdd4b4d117ba6b8a4a03 [2021-12-28 01:15:03,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 01:15:03,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 01:15:03,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 01:15:03,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 01:15:03,838 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 01:15:03,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2021-12-28 01:15:03,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a2108f0/1092bb2df0be401ca0b5663ba5afd8e5/FLAGe15f39d05 [2021-12-28 01:15:04,449 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 01:15:04,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2021-12-28 01:15:04,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a2108f0/1092bb2df0be401ca0b5663ba5afd8e5/FLAGe15f39d05 [2021-12-28 01:15:04,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a2108f0/1092bb2df0be401ca0b5663ba5afd8e5 [2021-12-28 01:15:04,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 01:15:04,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 01:15:04,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 01:15:04,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 01:15:04,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 01:15:04,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 01:15:04" (1/1) ... [2021-12-28 01:15:04,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450b4b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:04, skipping insertion in model container [2021-12-28 01:15:04,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 01:15:04" (1/1) ... [2021-12-28 01:15:04,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 01:15:04,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 01:15:05,119 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.2-1.c[2216,2229] [2021-12-28 01:15:05,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 01:15:05,642 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 01:15:05,651 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.2-1.c[2216,2229] [2021-12-28 01:15:06,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 01:15:06,036 INFO L208 MainTranslator]: Completed translation [2021-12-28 01:15:06,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:06 WrapperNode [2021-12-28 01:15:06,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 01:15:06,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 01:15:06,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 01:15:06,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 01:15:06,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:06" (1/1) ... [2021-12-28 01:15:06,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:06" (1/1) ... [2021-12-28 01:15:06,632 INFO L137 Inliner]: procedures = 101, calls = 6643, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21156 [2021-12-28 01:15:06,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 01:15:06,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 01:15:06,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 01:15:06,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 01:15:06,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:06" (1/1) ... [2021-12-28 01:15:06,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:06" (1/1) ... [2021-12-28 01:15:06,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:06" (1/1) ... [2021-12-28 01:15:06,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:06" (1/1) ... [2021-12-28 01:15:07,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:06" (1/1) ... [2021-12-28 01:15:07,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:06" (1/1) ... [2021-12-28 01:15:07,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:06" (1/1) ... [2021-12-28 01:15:07,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 01:15:07,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 01:15:07,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 01:15:07,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 01:15:07,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:06" (1/1) ... [2021-12-28 01:15:07,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 01:15:07,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 01:15:07,464 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) [2021-12-28 01:15:07,483 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 [2021-12-28 01:15:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-12-28 01:15:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-12-28 01:15:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-12-28 01:15:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-12-28 01:15:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 01:15:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-12-28 01:15:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-12-28 01:15:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-28 01:15:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-28 01:15:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-28 01:15:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-28 01:15:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-12-28 01:15:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-12-28 01:15:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-12-28 01:15:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-12-28 01:15:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-12-28 01:15:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-12-28 01:15:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-12-28 01:15:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-12-28 01:15:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 01:15:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-28 01:15:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-28 01:15:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-12-28 01:15:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-12-28 01:15:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-12-28 01:15:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-12-28 01:15:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-12-28 01:15:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-12-28 01:15:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-12-28 01:15:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-12-28 01:15:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-12-28 01:15:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-12-28 01:15:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-28 01:15:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-28 01:15:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 01:15:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-28 01:15:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-28 01:15:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-12-28 01:15:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-12-28 01:15:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-12-28 01:15:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-12-28 01:15:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-12-28 01:15:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-12-28 01:15:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-28 01:15:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-28 01:15:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-12-28 01:15:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-12-28 01:15:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-28 01:15:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-28 01:15:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-12-28 01:15:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-12-28 01:15:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-12-28 01:15:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-12-28 01:15:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-28 01:15:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-28 01:15:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-12-28 01:15:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-12-28 01:15:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-12-28 01:15:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-12-28 01:15:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-12-28 01:15:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-12-28 01:15:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-28 01:15:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-28 01:15:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-12-28 01:15:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-12-28 01:15:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-12-28 01:15:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-12-28 01:15:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-12-28 01:15:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-12-28 01:15:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-12-28 01:15:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-12-28 01:15:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-12-28 01:15:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-12-28 01:15:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-12-28 01:15:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-12-28 01:15:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-12-28 01:15:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-12-28 01:15:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-12-28 01:15:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-12-28 01:15:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-12-28 01:15:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-12-28 01:15:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-12-28 01:15:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-12-28 01:15:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-12-28 01:15:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-12-28 01:15:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2021-12-28 01:15:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2021-12-28 01:15:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 01:15:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-12-28 01:15:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-12-28 01:15:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 01:15:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 01:15:08,350 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 01:15:08,357 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 01:15:47,351 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 01:15:47,374 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 01:15:47,374 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-28 01:15:47,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 01:15:47 BoogieIcfgContainer [2021-12-28 01:15:47,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 01:15:47,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 01:15:47,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 01:15:47,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 01:15:47,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 01:15:04" (1/3) ... [2021-12-28 01:15:47,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d34ea15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 01:15:47, skipping insertion in model container [2021-12-28 01:15:47,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 01:15:06" (2/3) ... [2021-12-28 01:15:47,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d34ea15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 01:15:47, skipping insertion in model container [2021-12-28 01:15:47,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 01:15:47" (3/3) ... [2021-12-28 01:15:47,388 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.2-1.c [2021-12-28 01:15:47,391 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 01:15:47,391 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 01:15:47,436 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 01:15:47,440 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 [2021-12-28 01:15:47,440 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 01:15:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 4809 states, 4424 states have (on average 1.5476943942133816) internal successors, (6847), 4448 states have internal predecessors, (6847), 340 states have call successors, (340), 43 states have call predecessors, (340), 43 states have return successors, (340), 330 states have call predecessors, (340), 340 states have call successors, (340) [2021-12-28 01:15:47,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2021-12-28 01:15:47,590 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 01:15:47,591 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] [2021-12-28 01:15:47,592 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 01:15:47,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 01:15:47,596 INFO L85 PathProgramCache]: Analyzing trace with hash -297338650, now seen corresponding path program 1 times [2021-12-28 01:15:47,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 01:15:47,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407565390] [2021-12-28 01:15:47,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 01:15:47,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms