./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 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.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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 15:04:03,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 15:04:03,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 15:04:03,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 15:04:03,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 15:04:03,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 15:04:03,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 15:04:03,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 15:04:03,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 15:04:03,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 15:04:03,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 15:04:03,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 15:04:03,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 15:04:03,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 15:04:03,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 15:04:03,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 15:04:03,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 15:04:03,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 15:04:03,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 15:04:03,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 15:04:03,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 15:04:03,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 15:04:03,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 15:04:03,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 15:04:03,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 15:04:03,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 15:04:03,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 15:04:03,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 15:04:03,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 15:04:03,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 15:04:03,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 15:04:03,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 15:04:03,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 15:04:03,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 15:04:03,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 15:04:03,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 15:04:03,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 15:04:03,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 15:04:03,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 15:04:03,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 15:04:03,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 15:04:03,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 15:04:03,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 15:04:03,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 15:04:03,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 15:04:03,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 15:04:03,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 15:04:03,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 15:04:03,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 15:04:03,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 15:04:03,781 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 15:04:03,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 15:04:03,782 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 15:04:03,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 15:04:03,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 15:04:03,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 15:04:03,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 15:04:03,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 15:04:03,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 15:04:03,783 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 15:04:03,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 15:04:03,783 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 15:04:03,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 15:04:03,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 15:04:03,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 15:04:03,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 15:04:03,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 15:04:03,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 15:04:03,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 15:04:03,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 15:04:03,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 15:04:03,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 15:04:03,785 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 15:04:03,786 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 15:04:03,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 15:04:03,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 15:04:03,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc4860b4f5a0d0365cbcd156b11008fe087fa6dc867cdd4b4d117ba6b8a4a03 [2021-12-14 15:04:03,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 15:04:03,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 15:04:03,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 15:04:03,999 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 15:04:04,000 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 15:04:04,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2021-12-14 15:04:04,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeab232a4/b7c47646a5eb4025bc7f668e9a2b5aa9/FLAG7835245db [2021-12-14 15:04:04,551 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 15:04:04,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2021-12-14 15:04:04,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeab232a4/b7c47646a5eb4025bc7f668e9a2b5aa9/FLAG7835245db [2021-12-14 15:04:05,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeab232a4/b7c47646a5eb4025bc7f668e9a2b5aa9 [2021-12-14 15:04:05,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 15:04:05,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 15:04:05,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 15:04:05,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 15:04:05,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 15:04:05,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:04:05" (1/1) ... [2021-12-14 15:04:05,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8663e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:05, skipping insertion in model container [2021-12-14 15:04:05,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:04:05" (1/1) ... [2021-12-14 15:04:05,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 15:04:05,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 15:04:05,396 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] [2021-12-14 15:04:06,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 15:04:06,081 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 15:04:06,092 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] [2021-12-14 15:04:06,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 15:04:06,389 INFO L208 MainTranslator]: Completed translation [2021-12-14 15:04:06,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:06 WrapperNode [2021-12-14 15:04:06,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 15:04:06,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 15:04:06,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 15:04:06,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 15:04:06,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:06" (1/1) ... [2021-12-14 15:04:06,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:06" (1/1) ... [2021-12-14 15:04:07,090 INFO L137 Inliner]: procedures = 101, calls = 6643, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 21156 [2021-12-14 15:04:07,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 15:04:07,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 15:04:07,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 15:04:07,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 15:04:07,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:06" (1/1) ... [2021-12-14 15:04:07,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:06" (1/1) ... [2021-12-14 15:04:07,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:06" (1/1) ... [2021-12-14 15:04:07,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:06" (1/1) ... [2021-12-14 15:04:07,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:06" (1/1) ... [2021-12-14 15:04:07,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:06" (1/1) ... [2021-12-14 15:04:07,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:06" (1/1) ... [2021-12-14 15:04:07,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 15:04:07,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 15:04:07,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 15:04:07,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 15:04:07,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:06" (1/1) ... [2021-12-14 15:04:07,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 15:04:07,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 15:04:07,829 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 15:04:07,834 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 15:04:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-12-14 15:04:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-12-14 15:04:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-12-14 15:04:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-12-14 15:04:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 15:04:07,854 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-12-14 15:04:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-12-14 15:04:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-14 15:04:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-14 15:04:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-14 15:04:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-14 15:04:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-12-14 15:04:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-12-14 15:04:07,855 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-12-14 15:04:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-12-14 15:04:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-12-14 15:04:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-12-14 15:04:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-12-14 15:04:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-12-14 15:04:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 15:04:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-14 15:04:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-14 15:04:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-12-14 15:04:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-12-14 15:04:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-12-14 15:04:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-12-14 15:04:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-12-14 15:04:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-12-14 15:04:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-12-14 15:04:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-12-14 15:04:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-12-14 15:04:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-12-14 15:04:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-14 15:04:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-14 15:04:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 15:04:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-14 15:04:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-14 15:04:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-12-14 15:04:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-12-14 15:04:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-12-14 15:04:07,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-12-14 15:04:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-12-14 15:04:07,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-12-14 15:04:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-14 15:04:07,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-14 15:04:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-12-14 15:04:07,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-12-14 15:04:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-14 15:04:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-14 15:04:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-12-14 15:04:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-12-14 15:04:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-12-14 15:04:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-12-14 15:04:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-14 15:04:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-14 15:04:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-12-14 15:04:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-12-14 15:04:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-12-14 15:04:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-12-14 15:04:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-12-14 15:04:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-12-14 15:04:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-14 15:04:07,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-14 15:04:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-12-14 15:04:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-12-14 15:04:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-12-14 15:04:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-12-14 15:04:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-12-14 15:04:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-12-14 15:04:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-12-14 15:04:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-12-14 15:04:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-12-14 15:04:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-12-14 15:04:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-12-14 15:04:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-12-14 15:04:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-12-14 15:04:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-12-14 15:04:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-12-14 15:04:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-12-14 15:04:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-12-14 15:04:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-12-14 15:04:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-12-14 15:04:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-12-14 15:04:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-12-14 15:04:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-12-14 15:04:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2021-12-14 15:04:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2021-12-14 15:04:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 15:04:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-12-14 15:04:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-12-14 15:04:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 15:04:07,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 15:04:08,622 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 15:04:08,624 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 15:04:52,137 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 15:04:52,168 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 15:04:52,169 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-14 15:04:52,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:04:52 BoogieIcfgContainer [2021-12-14 15:04:52,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 15:04:52,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 15:04:52,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 15:04:52,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 15:04:52,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:04:05" (1/3) ... [2021-12-14 15:04:52,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2303199e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:04:52, skipping insertion in model container [2021-12-14 15:04:52,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:06" (2/3) ... [2021-12-14 15:04:52,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2303199e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:04:52, skipping insertion in model container [2021-12-14 15:04:52,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:04:52" (3/3) ... [2021-12-14 15:04:52,178 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.2-1.c [2021-12-14 15:04:52,184 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 15:04:52,184 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 15:04:52,233 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 15:04:52,240 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 15:04:52,240 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 15:04:52,304 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) [2021-12-14 15:04:52,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2021-12-14 15:04:52,392 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 15:04:52,394 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 15:04:52,395 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 15:04:52,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 15:04:52,399 INFO L85 PathProgramCache]: Analyzing trace with hash -297338650, now seen corresponding path program 1 times [2021-12-14 15:04:52,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 15:04:52,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664834744] [2021-12-14 15:04:52,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 15:04:52,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms