java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem09_label42_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:01:57,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:01:57,740 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:01:57,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:01:57,754 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:01:57,755 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:01:57,756 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:01:57,758 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:01:57,760 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:01:57,761 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:01:57,762 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:01:57,762 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:01:57,763 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:01:57,764 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:01:57,765 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:01:57,766 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:01:57,767 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:01:57,769 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:01:57,773 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:01:57,774 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:01:57,777 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:01:57,779 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:01:57,783 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:01:57,784 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:01:57,784 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:01:57,785 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:01:57,786 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:01:57,787 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:01:57,788 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:01:57,792 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:01:57,792 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:01:57,793 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:01:57,794 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:01:57,794 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:01:57,795 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:01:57,797 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:01:57,797 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-26 21:01:57,829 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:01:57,829 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:01:57,830 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:01:57,830 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:01:57,832 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:01:57,832 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:01:57,832 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 21:01:57,832 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:01:57,833 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:01:57,833 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:01:57,833 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:01:57,833 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:01:57,833 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:01:57,834 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:01:57,834 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:01:57,834 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:01:57,834 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:01:57,834 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:01:57,835 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:01:57,835 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:01:57,835 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:01:57,835 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:01:57,835 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:01:57,836 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 21:01:57,836 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:01:57,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:01:57,836 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:01:57,836 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 21:01:57,892 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:01:57,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:01:57,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:01:57,918 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:01:57,918 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:01:57,919 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label42_true-unreach-call.c [2018-10-26 21:01:57,989 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9c8a24435/3d373b3b44e84f63b5ed4f7fa49b508f/FLAG021f9e773 [2018-10-26 21:02:01,024 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:02:01,025 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label42_true-unreach-call.c [2018-10-26 21:02:01,302 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9c8a24435/3d373b3b44e84f63b5ed4f7fa49b508f/FLAG021f9e773 [2018-10-26 21:02:01,317 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9c8a24435/3d373b3b44e84f63b5ed4f7fa49b508f [2018-10-26 21:02:01,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:02:01,330 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 21:02:01,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:02:01,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:02:01,335 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:02:01,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:02:01" (1/1) ... [2018-10-26 21:02:01,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ee9256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:01, skipping insertion in model container [2018-10-26 21:02:01,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:02:01" (1/1) ... [2018-10-26 21:02:01,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:02:03,629 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:02:27,681 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:02:27,686 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:02:40,679 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:02:54,910 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:02:54,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:54 WrapperNode [2018-10-26 21:02:54,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:02:54,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:02:54,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:02:54,912 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:02:54,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:54" (1/1) ... [2018-10-26 21:02:55,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:54" (1/1) ... [2018-10-26 21:03:01,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:03:01,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:03:01,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:03:01,416 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:03:01,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:54" (1/1) ... [2018-10-26 21:03:01,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:54" (1/1) ... [2018-10-26 21:03:01,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:54" (1/1) ... [2018-10-26 21:03:01,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:54" (1/1) ... [2018-10-26 21:03:05,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:54" (1/1) ... [2018-10-26 21:03:05,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:54" (1/1) ... [2018-10-26 21:03:06,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:54" (1/1) ... [2018-10-26 21:03:07,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:03:07,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:03:07,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:03:07,180 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:03:07,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:03:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:03:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:03:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:04:51,956 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:04:51,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:04:51 BoogieIcfgContainer [2018-10-26 21:04:51,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:04:51,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:04:51,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:04:51,961 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:04:51,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:02:01" (1/3) ... [2018-10-26 21:04:51,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ec924d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:04:51, skipping insertion in model container [2018-10-26 21:04:51,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:02:54" (2/3) ... [2018-10-26 21:04:51,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ec924d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:04:51, skipping insertion in model container [2018-10-26 21:04:51,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:04:51" (3/3) ... [2018-10-26 21:04:51,965 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem09_label42_true-unreach-call.c [2018-10-26 21:04:51,973 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:04:51,988 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:04:52,007 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:04:52,130 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:04:52,131 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:04:52,131 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:04:52,131 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:04:52,131 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:04:52,131 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:04:52,132 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:04:52,132 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:04:52,132 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:04:52,347 INFO L276 IsEmpty]: Start isEmpty. Operand 20357 states. [2018-10-26 21:04:55,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16496 [2018-10-26 21:04:55,839 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:04:55,852 INFO L375 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, 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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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:04:55,856 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:04:55,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:04:55,880 INFO L82 PathProgramCache]: Analyzing trace with hash 2083320839, now seen corresponding path program 1 times [2018-10-26 21:04:55,883 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:04:55,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:04:55,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:04:55,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:04:55,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:04:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown