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/Problem08_label23_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:48:18,595 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:48:18,596 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:48:18,608 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:48:18,609 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:48:18,610 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:48:18,611 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:48:18,613 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:48:18,615 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:48:18,615 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:48:18,616 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:48:18,617 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:48:18,618 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:48:18,619 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:48:18,620 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:48:18,621 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:48:18,621 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:48:18,623 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:48:18,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:48:18,627 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:48:18,628 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:48:18,629 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:48:18,632 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:48:18,632 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:48:18,632 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:48:18,633 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:48:18,634 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:48:18,635 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:48:18,636 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:48:18,637 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:48:18,637 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:48:18,640 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:48:18,640 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:48:18,640 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:48:18,641 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:48:18,644 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:48:18,644 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 20:48:18,674 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:48:18,674 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:48:18,675 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:48:18,675 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:48:18,676 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:48:18,676 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:48:18,676 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 20:48:18,677 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:48:18,677 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:48:18,677 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:48:18,677 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:48:18,677 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:48:18,678 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:48:18,678 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:48:18,678 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:48:18,678 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:48:18,678 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:48:18,679 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:48:18,679 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:48:18,679 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:48:18,679 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:48:18,679 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:48:18,680 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:48:18,680 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 20:48:18,680 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:48:18,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:48:18,680 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:48:18,680 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 20:48:18,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:48:18,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:48:18,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:48:18,766 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:48:18,766 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:48:18,767 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem08_label23_true-unreach-call.c [2018-10-26 20:48:18,836 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b8981bc98/259a5b2024664f9fa51e82a1ff1e9d49/FLAG39055d2ca [2018-10-26 20:48:21,643 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:48:21,644 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem08_label23_true-unreach-call.c [2018-10-26 20:48:21,851 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b8981bc98/259a5b2024664f9fa51e82a1ff1e9d49/FLAG39055d2ca [2018-10-26 20:48:21,866 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b8981bc98/259a5b2024664f9fa51e82a1ff1e9d49 [2018-10-26 20:48:21,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:48:21,879 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 20:48:21,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:48:21,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:48:21,886 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:48:21,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:48:21" (1/1) ... [2018-10-26 20:48:21,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540df47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:48:21, skipping insertion in model container [2018-10-26 20:48:21,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:48:21" (1/1) ... [2018-10-26 20:48:21,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:48:23,664 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:48:46,948 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:48:46,953 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:49:03,550 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:49:09,052 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:49:09,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:09 WrapperNode [2018-10-26 20:49:09,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:49:09,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:49:09,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:49:09,055 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:49:09,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:09" (1/1) ... [2018-10-26 20:49:09,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:09" (1/1) ... [2018-10-26 20:49:12,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:49:12,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:49:12,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:49:12,331 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:49:12,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:09" (1/1) ... [2018-10-26 20:49:12,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:09" (1/1) ... [2018-10-26 20:49:12,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:09" (1/1) ... [2018-10-26 20:49:12,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:09" (1/1) ... [2018-10-26 20:49:27,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:09" (1/1) ... [2018-10-26 20:49:27,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:09" (1/1) ... [2018-10-26 20:49:28,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:09" (1/1) ... [2018-10-26 20:49:28,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:49:28,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:49:28,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:49:28,909 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:49:28,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:09" (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 20:49:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 20:49:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:49:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:51:01,975 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:51:01,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:51:01 BoogieIcfgContainer [2018-10-26 20:51:01,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:51:01,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:51:01,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:51:01,981 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:51:01,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:48:21" (1/3) ... [2018-10-26 20:51:01,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274308a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:51:01, skipping insertion in model container [2018-10-26 20:51:01,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:49:09" (2/3) ... [2018-10-26 20:51:01,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274308a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:51:01, skipping insertion in model container [2018-10-26 20:51:01,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:51:01" (3/3) ... [2018-10-26 20:51:01,985 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem08_label23_true-unreach-call.c [2018-10-26 20:51:01,993 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:51:02,007 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:51:02,023 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:51:02,119 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:51:02,120 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:51:02,120 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:51:02,120 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:51:02,120 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:51:02,121 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:51:02,121 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:51:02,121 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:51:02,121 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:51:02,354 INFO L276 IsEmpty]: Start isEmpty. Operand 23216 states. [2018-10-26 20:51:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17896 [2018-10-26 20:51:05,229 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:51:05,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:51:05,245 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:51:05,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:51:05,266 INFO L82 PathProgramCache]: Analyzing trace with hash 302274160, now seen corresponding path program 1 times [2018-10-26 20:51:05,268 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:51:05,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:51:05,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:51:05,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:51:05,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:51:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown