./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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.4.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 66615d945375ceea5b4ada22b003e1a8e291ec4d3a0b5c3c04d345b3412d5b92 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:59:38,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:59:38,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:59:38,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:59:38,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:59:38,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:59:38,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:59:38,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:59:38,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:59:38,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:59:38,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:59:38,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:59:38,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:59:38,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:59:38,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:59:38,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:59:38,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:59:38,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:59:38,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:59:38,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:59:38,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:59:38,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:59:38,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:59:38,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:59:38,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:59:38,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:59:38,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:59:38,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:59:38,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:59:38,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:59:38,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:59:38,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:59:38,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:59:38,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:59:38,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:59:38,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:59:38,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:59:38,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:59:38,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:59:38,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:59:38,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:59:38,643 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:59:38,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:59:38,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:59:38,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:59:38,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:59:38,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:59:38,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:59:38,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:59:38,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:59:38,661 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:59:38,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:59:38,661 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:59:38,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:59:38,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:59:38,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:59:38,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:59:38,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:59:38,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:59:38,662 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:59:38,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:59:38,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:59:38,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:59:38,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:59:38,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:59:38,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:59:38,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:59:38,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:59:38,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:59:38,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:59:38,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:59:38,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:59:38,665 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:59:38,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:59:38,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:59:38,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:59:38,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66615d945375ceea5b4ada22b003e1a8e291ec4d3a0b5c3c04d345b3412d5b92 [2021-12-17 15:59:38,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:59:38,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:59:38,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:59:38,881 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:59:38,881 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:59:38,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c [2021-12-17 15:59:38,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429a6b99f/0ee0398cf936470ca5a774086a1ddbbd/FLAG2f030c34f [2021-12-17 15:59:39,649 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:59:39,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.4.c [2021-12-17 15:59:39,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429a6b99f/0ee0398cf936470ca5a774086a1ddbbd/FLAG2f030c34f [2021-12-17 15:59:39,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429a6b99f/0ee0398cf936470ca5a774086a1ddbbd [2021-12-17 15:59:39,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:59:39,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:59:39,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:59:39,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:59:39,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:59:39,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:59:39" (1/1) ... [2021-12-17 15:59:39,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231d7b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:39, skipping insertion in model container [2021-12-17 15:59:39,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:59:39" (1/1) ... [2021-12-17 15:59:39,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:59:40,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:59:40,318 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.4.c[2309,2322] [2021-12-17 15:59:41,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:59:41,218 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:59:41,231 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.4.c[2309,2322] [2021-12-17 15:59:41,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:59:41,917 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:59:41,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:41 WrapperNode [2021-12-17 15:59:41,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:59:41,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:59:41,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:59:41,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:59:41,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:41" (1/1) ... [2021-12-17 15:59:42,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:41" (1/1) ... [2021-12-17 15:59:43,172 INFO L137 Inliner]: procedures = 101, calls = 18605, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 62908 [2021-12-17 15:59:43,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:59:43,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:59:43,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:59:43,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:59:43,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:41" (1/1) ... [2021-12-17 15:59:43,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:41" (1/1) ... [2021-12-17 15:59:43,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:41" (1/1) ... [2021-12-17 15:59:43,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:41" (1/1) ... [2021-12-17 15:59:44,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:41" (1/1) ... [2021-12-17 15:59:44,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:41" (1/1) ... [2021-12-17 15:59:44,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:41" (1/1) ... [2021-12-17 15:59:44,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:59:44,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:59:44,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:59:44,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:59:44,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:41" (1/1) ... [2021-12-17 15:59:44,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:59:44,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:59:44,714 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) [2021-12-17 15:59:44,726 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 [2021-12-17 15:59:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-12-17 15:59:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-12-17 15:59:44,739 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-12-17 15:59:44,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-12-17 15:59:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 15:59:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-12-17 15:59:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-12-17 15:59:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-17 15:59:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-17 15:59:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-17 15:59:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-17 15:59:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-12-17 15:59:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-12-17 15:59:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-12-17 15:59:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-12-17 15:59:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-12-17 15:59:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-12-17 15:59:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-12-17 15:59:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-12-17 15:59:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 15:59:44,741 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-17 15:59:44,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-17 15:59:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-12-17 15:59:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-12-17 15:59:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-12-17 15:59:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-12-17 15:59:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-12-17 15:59:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-12-17 15:59:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-12-17 15:59:44,742 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-12-17 15:59:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-12-17 15:59:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-12-17 15:59:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-17 15:59:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-17 15:59:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:59:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-17 15:59:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-17 15:59:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-12-17 15:59:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-12-17 15:59:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-12-17 15:59:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-12-17 15:59:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-12-17 15:59:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-12-17 15:59:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-17 15:59:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-17 15:59:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-12-17 15:59:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-12-17 15:59:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-17 15:59:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-17 15:59:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-12-17 15:59:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-12-17 15:59:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-12-17 15:59:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-12-17 15:59:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-17 15:59:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-17 15:59:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-12-17 15:59:44,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-12-17 15:59:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-12-17 15:59:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-12-17 15:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-12-17 15:59:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-12-17 15:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-17 15:59:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-12-17 15:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-12-17 15:59:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-12-17 15:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-12-17 15:59:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-12-17 15:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-12-17 15:59:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-12-17 15:59:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-12-17 15:59:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-12-17 15:59:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-12-17 15:59:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-12-17 15:59:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-12-17 15:59:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-12-17 15:59:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-12-17 15:59:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-12-17 15:59:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-12-17 15:59:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-12-17 15:59:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2021-12-17 15:59:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2021-12-17 15:59:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-12-17 15:59:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-12-17 15:59:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-12-17 15:59:44,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-12-17 15:59:44,748 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-12-17 15:59:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-12-17 15:59:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:59:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-12-17 15:59:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-12-17 15:59:44,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:59:44,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:59:46,555 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:59:46,557 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 16:06:42,643 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 16:06:42,697 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 16:06:42,698 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-17 16:06:42,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:06:42 BoogieIcfgContainer [2021-12-17 16:06:42,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 16:06:42,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 16:06:42,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 16:06:42,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 16:06:42,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:59:39" (1/3) ... [2021-12-17 16:06:42,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198fad38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:06:42, skipping insertion in model container [2021-12-17 16:06:42,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:59:41" (2/3) ... [2021-12-17 16:06:42,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198fad38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:06:42, skipping insertion in model container [2021-12-17 16:06:42,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:06:42" (3/3) ... [2021-12-17 16:06:42,719 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.4.c [2021-12-17 16:06:42,727 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 16:06:42,727 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 16:06:42,786 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 16:06:42,797 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 [2021-12-17 16:06:42,797 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 16:06:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 13229 states, 12786 states have (on average 1.583919912404192) internal successors, (20252), 12810 states have internal predecessors, (20252), 398 states have call successors, (398), 43 states have call predecessors, (398), 43 states have return successors, (398), 388 states have call predecessors, (398), 398 states have call successors, (398) [2021-12-17 16:06:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5046 [2021-12-17 16:06:43,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 16:06:43,468 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 16:06:43,469 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 16:06:43,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 16:06:43,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1403574320, now seen corresponding path program 1 times [2021-12-17 16:06:43,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 16:06:43,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265508041] [2021-12-17 16:06:43,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 16:06:43,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms