./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 f4b24e32 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-?-f4b24e3 [2022-07-13 18:30:24,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 18:30:24,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 18:30:24,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 18:30:24,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 18:30:24,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 18:30:24,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 18:30:24,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 18:30:24,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 18:30:24,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 18:30:24,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 18:30:24,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 18:30:24,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 18:30:24,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 18:30:24,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 18:30:24,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 18:30:24,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 18:30:24,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 18:30:24,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 18:30:24,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 18:30:24,904 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 18:30:24,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 18:30:24,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 18:30:24,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 18:30:24,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 18:30:24,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 18:30:24,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 18:30:24,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 18:30:24,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 18:30:24,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 18:30:24,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 18:30:24,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 18:30:24,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 18:30:24,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 18:30:24,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 18:30:24,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 18:30:24,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 18:30:24,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 18:30:24,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 18:30:24,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 18:30:24,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 18:30:24,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 18:30:24,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 18:30:24,944 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 18:30:24,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 18:30:24,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 18:30:24,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 18:30:24,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 18:30:24,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 18:30:24,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 18:30:24,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 18:30:24,949 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 18:30:24,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 18:30:24,950 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 18:30:24,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 18:30:24,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 18:30:24,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 18:30:24,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 18:30:24,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 18:30:24,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 18:30:24,951 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 18:30:24,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 18:30:24,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 18:30:24,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 18:30:24,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 18:30:24,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 18:30:24,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 18:30:24,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 18:30:24,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 18:30:24,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 18:30:24,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 18:30:24,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 18:30:24,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 18:30:24,953 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 18:30:24,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 18:30:24,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 18:30:24,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc4860b4f5a0d0365cbcd156b11008fe087fa6dc867cdd4b4d117ba6b8a4a03 [2022-07-13 18:30:25,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 18:30:25,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 18:30:25,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 18:30:25,175 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 18:30:25,176 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 18:30:25,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2022-07-13 18:30:25,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c3df584d/868b59f323bc4afeb7e824e858e59ee2/FLAG53c75b4f0 [2022-07-13 18:30:25,855 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 18:30:25,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2022-07-13 18:30:25,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c3df584d/868b59f323bc4afeb7e824e858e59ee2/FLAG53c75b4f0 [2022-07-13 18:30:26,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c3df584d/868b59f323bc4afeb7e824e858e59ee2 [2022-07-13 18:30:26,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 18:30:26,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 18:30:26,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 18:30:26,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 18:30:26,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 18:30:26,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:30:26" (1/1) ... [2022-07-13 18:30:26,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66afed88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:26, skipping insertion in model container [2022-07-13 18:30:26,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:30:26" (1/1) ... [2022-07-13 18:30:26,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 18:30:26,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 18:30:26,623 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] [2022-07-13 18:30:27,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 18:30:27,169 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 18:30:27,182 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] [2022-07-13 18:30:27,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 18:30:27,614 INFO L208 MainTranslator]: Completed translation [2022-07-13 18:30:27,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:27 WrapperNode [2022-07-13 18:30:27,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 18:30:27,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 18:30:27,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 18:30:27,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 18:30:27,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:27" (1/1) ... [2022-07-13 18:30:27,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:27" (1/1) ... [2022-07-13 18:30:28,399 INFO L137 Inliner]: procedures = 101, calls = 6643, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21156 [2022-07-13 18:30:28,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 18:30:28,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 18:30:28,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 18:30:28,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 18:30:28,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:27" (1/1) ... [2022-07-13 18:30:28,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:27" (1/1) ... [2022-07-13 18:30:28,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:27" (1/1) ... [2022-07-13 18:30:28,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:27" (1/1) ... [2022-07-13 18:30:28,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:27" (1/1) ... [2022-07-13 18:30:28,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:27" (1/1) ... [2022-07-13 18:30:28,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:27" (1/1) ... [2022-07-13 18:30:29,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 18:30:29,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 18:30:29,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 18:30:29,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 18:30:29,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:27" (1/1) ... [2022-07-13 18:30:29,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 18:30:29,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:30:29,041 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) [2022-07-13 18:30:29,059 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 [2022-07-13 18:30:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-07-13 18:30:29,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-07-13 18:30:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-07-13 18:30:29,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-07-13 18:30:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 18:30:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-07-13 18:30:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-07-13 18:30:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-07-13 18:30:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-07-13 18:30:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-07-13 18:30:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-07-13 18:30:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-07-13 18:30:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-07-13 18:30:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-07-13 18:30:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-07-13 18:30:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-07-13 18:30:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-07-13 18:30:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-07-13 18:30:29,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-07-13 18:30:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 18:30:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-07-13 18:30:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-07-13 18:30:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-07-13 18:30:29,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-07-13 18:30:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-07-13 18:30:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-07-13 18:30:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-07-13 18:30:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-07-13 18:30:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-07-13 18:30:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-07-13 18:30:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-07-13 18:30:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-07-13 18:30:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-07-13 18:30:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-07-13 18:30:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 18:30:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-07-13 18:30:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-07-13 18:30:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-07-13 18:30:29,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-07-13 18:30:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-07-13 18:30:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-07-13 18:30:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-07-13 18:30:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-07-13 18:30:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-07-13 18:30:29,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-07-13 18:30:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-07-13 18:30:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-07-13 18:30:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-07-13 18:30:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-07-13 18:30:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-07-13 18:30:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-07-13 18:30:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-07-13 18:30:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-07-13 18:30:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-07-13 18:30:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-07-13 18:30:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-07-13 18:30:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-07-13 18:30:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-07-13 18:30:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-07-13 18:30:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-07-13 18:30:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-07-13 18:30:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-07-13 18:30:29,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-07-13 18:30:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-07-13 18:30:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-07-13 18:30:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-07-13 18:30:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-07-13 18:30:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-07-13 18:30:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-07-13 18:30:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-07-13 18:30:29,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-07-13 18:30:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-07-13 18:30:29,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-07-13 18:30:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-07-13 18:30:29,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-07-13 18:30:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-07-13 18:30:29,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-07-13 18:30:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-07-13 18:30:29,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-07-13 18:30:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-07-13 18:30:29,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-07-13 18:30:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-07-13 18:30:29,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-07-13 18:30:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-07-13 18:30:29,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-07-13 18:30:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2022-07-13 18:30:29,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2022-07-13 18:30:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 18:30:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-07-13 18:30:29,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-07-13 18:30:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 18:30:29,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 18:30:29,988 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 18:30:29,991 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 18:31:17,142 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 18:31:17,177 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 18:31:17,177 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-13 18:31:17,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:31:17 BoogieIcfgContainer [2022-07-13 18:31:17,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 18:31:17,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 18:31:17,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 18:31:17,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 18:31:17,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 06:30:26" (1/3) ... [2022-07-13 18:31:17,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e065da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:31:17, skipping insertion in model container [2022-07-13 18:31:17,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:30:27" (2/3) ... [2022-07-13 18:31:17,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e065da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:31:17, skipping insertion in model container [2022-07-13 18:31:17,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:31:17" (3/3) ... [2022-07-13 18:31:17,196 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.2-1.c [2022-07-13 18:31:17,207 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 18:31:17,207 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 18:31:17,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 18:31:17,335 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@32237575, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6bb39094 [2022-07-13 18:31:17,335 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 18:31:17,351 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) [2022-07-13 18:31:17,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2022-07-13 18:31:17,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:31:17,480 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] [2022-07-13 18:31:17,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:31:17,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:31:17,489 INFO L85 PathProgramCache]: Analyzing trace with hash -297338650, now seen corresponding path program 1 times [2022-07-13 18:31:17,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:31:17,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184255829] [2022-07-13 18:31:17,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:31:17,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms