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_label21_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 15:53:25,087 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 15:53:25,089 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 15:53:25,101 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 15:53:25,102 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 15:53:25,106 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 15:53:25,107 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 15:53:25,110 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 15:53:25,115 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 15:53:25,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 15:53:25,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 15:53:25,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 15:53:25,124 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 15:53:25,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 15:53:25,126 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 15:53:25,131 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 15:53:25,132 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 15:53:25,138 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 15:53:25,140 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 15:53:25,143 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 15:53:25,146 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 15:53:25,149 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 15:53:25,155 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 15:53:25,155 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 15:53:25,155 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 15:53:25,156 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 15:53:25,158 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 15:53:25,159 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 15:53:25,162 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 15:53:25,163 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 15:53:25,164 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 15:53:25,166 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 15:53:25,168 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 15:53:25,168 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 15:53:25,169 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 15:53:25,170 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 15:53:25,170 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 [2018-10-24 15:53:25,202 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 15:53:25,202 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 15:53:25,205 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 15:53:25,206 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 15:53:25,206 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 15:53:25,207 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 15:53:25,207 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 15:53:25,207 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 15:53:25,207 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 15:53:25,207 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 15:53:25,207 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 15:53:25,209 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 15:53:25,209 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 15:53:25,209 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 15:53:25,209 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 15:53:25,210 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 15:53:25,210 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 15:53:25,210 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 15:53:25,210 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 15:53:25,211 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 15:53:25,211 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 15:53:25,211 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 15:53:25,211 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 15:53:25,211 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 15:53:25,212 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 15:53:25,212 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 15:53:25,212 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 15:53:25,212 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 15:53:25,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 15:53:25,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 15:53:25,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 15:53:25,292 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 15:53:25,292 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 15:53:25,293 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label21_true-unreach-call.c [2018-10-24 15:53:25,357 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/458a9d664/cb1160343d8f412dad390dc5e4792b03/FLAGfb1e58b5d [2018-10-24 15:53:28,441 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 15:53:28,442 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label21_true-unreach-call.c [2018-10-24 15:53:28,693 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/458a9d664/cb1160343d8f412dad390dc5e4792b03/FLAGfb1e58b5d [2018-10-24 15:53:28,707 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/458a9d664/cb1160343d8f412dad390dc5e4792b03 [2018-10-24 15:53:28,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 15:53:28,718 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 15:53:28,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 15:53:28,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 15:53:28,723 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 15:53:28,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:53:28" (1/1) ... [2018-10-24 15:53:28,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa98528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:53:28, skipping insertion in model container [2018-10-24 15:53:28,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:53:28" (1/1) ... [2018-10-24 15:53:28,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 15:53:30,450 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 15:53:54,654 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 15:53:54,659 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 15:54:17,140 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 15:54:19,380 INFO L193 MainTranslator]: Completed translation [2018-10-24 15:54:19,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:54:19 WrapperNode [2018-10-24 15:54:19,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 15:54:19,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 15:54:19,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 15:54:19,382 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 15:54:19,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:54:19" (1/1) ... [2018-10-24 15:54:20,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:54:19" (1/1) ... [2018-10-24 15:54:25,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 15:54:25,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 15:54:25,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 15:54:25,388 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 15:54:25,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:54:19" (1/1) ... [2018-10-24 15:54:25,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:54:19" (1/1) ... [2018-10-24 15:54:25,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:54:19" (1/1) ... [2018-10-24 15:54:25,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:54:19" (1/1) ... [2018-10-24 15:54:29,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:54:19" (1/1) ... [2018-10-24 15:54:30,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:54:19" (1/1) ... [2018-10-24 15:54:30,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:54:19" (1/1) ... [2018-10-24 15:54:31,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 15:54:31,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 15:54:31,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 15:54:31,607 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 15:54:31,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:54:19" (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 [2018-10-24 15:54:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 15:54:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 15:54:31,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 15:56:17,748 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 15:56:17,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:56:17 BoogieIcfgContainer [2018-10-24 15:56:17,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 15:56:17,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 15:56:17,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 15:56:17,755 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 15:56:17,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:53:28" (1/3) ... [2018-10-24 15:56:17,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb8d6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:56:17, skipping insertion in model container [2018-10-24 15:56:17,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:54:19" (2/3) ... [2018-10-24 15:56:17,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb8d6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:56:17, skipping insertion in model container [2018-10-24 15:56:17,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:56:17" (3/3) ... [2018-10-24 15:56:17,758 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem09_label21_true-unreach-call.c [2018-10-24 15:56:17,769 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 15:56:17,785 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 15:56:17,804 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 15:56:17,907 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 15:56:17,908 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 15:56:17,908 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 15:56:17,908 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 15:56:17,908 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 15:56:17,908 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 15:56:17,909 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 15:56:17,909 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 15:56:17,909 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 15:56:18,976 INFO L276 IsEmpty]: Start isEmpty. Operand 20357 states. [2018-10-24 15:56:21,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16509 [2018-10-24 15:56:21,209 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 15:56:21,221 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 15:56:21,225 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 15:56:21,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 15:56:21,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1476859404, now seen corresponding path program 1 times [2018-10-24 15:56:21,247 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 15:56:21,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 15:56:21,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 15:56:21,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 15:56:21,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 15:56:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown