./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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.2-2.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 b6fd990ee5a3d1196da7f04012a4fa03f310aee567403c5800bf2a09c38760f5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:34:15,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:34:15,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:34:15,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:34:15,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:34:15,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:34:15,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:34:15,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:34:15,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:34:15,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:34:15,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:34:15,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:34:15,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:34:15,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:34:15,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:34:15,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:34:15,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:34:15,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:34:15,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:34:15,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:34:15,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:34:15,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:34:15,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:34:15,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:34:15,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:34:15,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:34:15,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:34:15,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:34:15,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:34:15,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:34:15,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:34:15,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:34:15,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:34:15,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:34:15,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:34:15,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:34:15,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:34:15,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:34:15,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:34:15,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:34:15,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:34:15,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:34:15,539 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:34:15,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:34:15,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:34:15,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:34:15,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:34:15,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:34:15,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:34:15,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:34:15,542 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:34:15,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:34:15,543 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:34:15,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:34:15,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:34:15,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:34:15,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:34:15,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:34:15,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:34:15,544 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:34:15,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:34:15,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:34:15,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:34:15,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:34:15,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:34:15,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:34:15,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:34:15,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:34:15,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:34:15,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:34:15,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:34:15,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:34:15,546 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:34:15,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:34:15,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:34:15,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:34:15,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6fd990ee5a3d1196da7f04012a4fa03f310aee567403c5800bf2a09c38760f5 [2021-12-21 13:34:15,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:34:15,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:34:15,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:34:15,769 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:34:15,769 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:34:15,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c [2021-12-21 13:34:15,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61ef25a7d/1c82813711b24b40ba2b4a483b2ba580/FLAG0c177160a [2021-12-21 13:34:16,454 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:34:16,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-2.c [2021-12-21 13:34:16,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61ef25a7d/1c82813711b24b40ba2b4a483b2ba580/FLAG0c177160a [2021-12-21 13:34:16,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61ef25a7d/1c82813711b24b40ba2b4a483b2ba580 [2021-12-21 13:34:16,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:34:16,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:34:16,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:34:16,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:34:16,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:34:16,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:34:16" (1/1) ... [2021-12-21 13:34:16,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a47480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:16, skipping insertion in model container [2021-12-21 13:34:16,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:34:16" (1/1) ... [2021-12-21 13:34:16,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:34:16,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:34:17,236 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.2-2.c[2215,2228] [2021-12-21 13:34:17,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:34:17,992 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:34:18,006 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.2-2.c[2215,2228] [2021-12-21 13:34:18,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:34:18,414 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:34:18,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:18 WrapperNode [2021-12-21 13:34:18,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:34:18,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:34:18,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:34:18,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:34:18,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:18" (1/1) ... [2021-12-21 13:34:18,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:18" (1/1) ... [2021-12-21 13:34:19,141 INFO L137 Inliner]: procedures = 101, calls = 6644, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 21123 [2021-12-21 13:34:19,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:34:19,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:34:19,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:34:19,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:34:19,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:18" (1/1) ... [2021-12-21 13:34:19,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:18" (1/1) ... [2021-12-21 13:34:19,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:18" (1/1) ... [2021-12-21 13:34:19,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:18" (1/1) ... [2021-12-21 13:34:19,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:18" (1/1) ... [2021-12-21 13:34:19,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:18" (1/1) ... [2021-12-21 13:34:19,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:18" (1/1) ... [2021-12-21 13:34:19,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:34:19,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:34:19,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:34:19,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:34:19,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:18" (1/1) ... [2021-12-21 13:34:19,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:34:20,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:34:20,016 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) [2021-12-21 13:34:20,029 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 [2021-12-21 13:34:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-12-21 13:34:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-12-21 13:34:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-12-21 13:34:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-12-21 13:34:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 13:34:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-12-21 13:34:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-12-21 13:34:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-21 13:34:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-21 13:34:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-21 13:34:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-21 13:34:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-12-21 13:34:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-12-21 13:34:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-12-21 13:34:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-12-21 13:34:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-12-21 13:34:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-12-21 13:34:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-12-21 13:34:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-12-21 13:34:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 13:34:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-21 13:34:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-21 13:34:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-12-21 13:34:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-12-21 13:34:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-12-21 13:34:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-12-21 13:34:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-12-21 13:34:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-12-21 13:34:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-12-21 13:34:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-12-21 13:34:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-12-21 13:34:20,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-12-21 13:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-21 13:34:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-21 13:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-21 13:34:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-21 13:34:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-12-21 13:34:20,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-12-21 13:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-12-21 13:34:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-12-21 13:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-12-21 13:34:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-12-21 13:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-21 13:34:20,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-21 13:34:20,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-12-21 13:34:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-12-21 13:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-21 13:34:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-21 13:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-12-21 13:34:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-12-21 13:34:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-12-21 13:34:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-12-21 13:34:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-21 13:34:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-21 13:34:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-12-21 13:34:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-12-21 13:34:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-12-21 13:34:20,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-12-21 13:34:20,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-12-21 13:34:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-12-21 13:34:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-21 13:34:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-21 13:34:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-12-21 13:34:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-12-21 13:34:20,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-12-21 13:34:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-12-21 13:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-12-21 13:34:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-12-21 13:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-12-21 13:34:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-12-21 13:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-12-21 13:34:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-12-21 13:34:20,061 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-12-21 13:34:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-12-21 13:34:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-12-21 13:34:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-12-21 13:34:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-12-21 13:34:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-12-21 13:34:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2021-12-21 13:34:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2021-12-21 13:34:20,062 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-12-21 13:34:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-12-21 13:34:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-12-21 13:34:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-12-21 13:34:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-12-21 13:34:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-12-21 13:34:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2021-12-21 13:34:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2021-12-21 13:34:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:34:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-12-21 13:34:20,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-12-21 13:34:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:34:20,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:34:20,963 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:34:20,966 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:35:03,074 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:35:03,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:35:03,113 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-21 13:35:03,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:35:03 BoogieIcfgContainer [2021-12-21 13:35:03,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:35:03,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:35:03,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:35:03,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:35:03,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:34:16" (1/3) ... [2021-12-21 13:35:03,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6d5095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:35:03, skipping insertion in model container [2021-12-21 13:35:03,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:34:18" (2/3) ... [2021-12-21 13:35:03,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6d5095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:35:03, skipping insertion in model container [2021-12-21 13:35:03,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:35:03" (3/3) ... [2021-12-21 13:35:03,133 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.2-2.c [2021-12-21 13:35:03,140 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:35:03,141 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:35:03,208 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:35:03,223 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 [2021-12-21 13:35:03,223 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:35:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 4816 states, 4428 states have (on average 1.5474254742547426) internal successors, (6852), 4452 states have internal predecessors, (6852), 342 states have call successors, (342), 44 states have call predecessors, (342), 44 states have return successors, (342), 332 states have call predecessors, (342), 342 states have call successors, (342) [2021-12-21 13:35:03,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1934 [2021-12-21 13:35:03,470 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:35:03,472 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] [2021-12-21 13:35:03,472 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:35:03,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:35:03,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1566952982, now seen corresponding path program 1 times [2021-12-21 13:35:03,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:35:03,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492268415] [2021-12-21 13:35:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:35:03,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms