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_label43_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 15:57:59,121 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 15:57:59,124 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 15:57:59,140 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 15:57:59,140 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 15:57:59,141 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 15:57:59,144 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 15:57:59,147 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 15:57:59,149 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 15:57:59,150 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 15:57:59,152 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 15:57:59,153 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 15:57:59,154 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 15:57:59,155 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 15:57:59,156 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 15:57:59,156 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 15:57:59,157 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 15:57:59,159 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 15:57:59,161 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 15:57:59,163 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 15:57:59,164 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 15:57:59,165 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 15:57:59,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 15:57:59,168 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 15:57:59,168 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 15:57:59,169 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 15:57:59,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 15:57:59,170 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 15:57:59,171 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 15:57:59,172 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 15:57:59,173 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 15:57:59,173 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 15:57:59,173 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 15:57:59,174 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 15:57:59,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 15:57:59,175 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 15:57:59,175 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 15:57:59,193 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 15:57:59,193 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 15:57:59,194 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 15:57:59,194 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 15:57:59,194 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 15:57:59,196 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 15:57:59,196 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 15:57:59,197 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 15:57:59,197 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 15:57:59,197 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 15:57:59,198 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 15:57:59,198 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 15:57:59,198 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 15:57:59,198 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 15:57:59,198 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 15:57:59,199 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 15:57:59,199 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 15:57:59,199 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 15:57:59,199 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 15:57:59,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 15:57:59,200 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 15:57:59,201 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 15:57:59,201 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 15:57:59,201 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 15:57:59,201 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 15:57:59,202 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 15:57:59,202 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 15:57:59,202 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 15:57:59,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 15:57:59,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 15:57:59,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 15:57:59,293 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 15:57:59,293 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 15:57:59,294 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label43_true-unreach-call.c [2018-10-24 15:57:59,361 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9f5d33a8b/f082e1075e03441cb1c2dacea97fbf4c/FLAGbf63df61c [2018-10-24 15:58:02,260 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 15:58:02,261 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label43_true-unreach-call.c [2018-10-24 15:58:02,513 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9f5d33a8b/f082e1075e03441cb1c2dacea97fbf4c/FLAGbf63df61c [2018-10-24 15:58:02,529 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9f5d33a8b/f082e1075e03441cb1c2dacea97fbf4c [2018-10-24 15:58:02,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 15:58:02,543 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 15:58:02,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 15:58:02,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 15:58:02,549 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 15:58:02,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:58:02" (1/1) ... [2018-10-24 15:58:02,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac71435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:02, skipping insertion in model container [2018-10-24 15:58:02,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:58:02" (1/1) ... [2018-10-24 15:58:02,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 15:58:04,994 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 15:58:28,982 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 15:58:28,987 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 15:58:41,994 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 15:58:54,363 INFO L193 MainTranslator]: Completed translation [2018-10-24 15:58:54,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:54 WrapperNode [2018-10-24 15:58:54,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 15:58:54,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 15:58:54,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 15:58:54,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 15:58:54,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:54" (1/1) ... [2018-10-24 15:58:55,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:54" (1/1) ... [2018-10-24 15:59:00,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 15:59:00,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 15:59:00,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 15:59:00,904 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 15:59:00,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:54" (1/1) ... [2018-10-24 15:59:00,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:54" (1/1) ... [2018-10-24 15:59:01,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:54" (1/1) ... [2018-10-24 15:59:01,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:54" (1/1) ... [2018-10-24 15:59:05,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:54" (1/1) ... [2018-10-24 15:59:05,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:54" (1/1) ... [2018-10-24 15:59:06,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:54" (1/1) ... [2018-10-24 15:59:06,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 15:59:06,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 15:59:06,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 15:59:06,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 15:59:06,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:54" (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 [2018-10-24 15:59:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 15:59:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 15:59:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 16:00:52,900 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 16:00:52,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:00:52 BoogieIcfgContainer [2018-10-24 16:00:52,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 16:00:52,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 16:00:52,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 16:00:52,905 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 16:00:52,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:58:02" (1/3) ... [2018-10-24 16:00:52,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b3699f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:00:52, skipping insertion in model container [2018-10-24 16:00:52,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:58:54" (2/3) ... [2018-10-24 16:00:52,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b3699f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:00:52, skipping insertion in model container [2018-10-24 16:00:52,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:00:52" (3/3) ... [2018-10-24 16:00:52,909 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem09_label43_true-unreach-call.c [2018-10-24 16:00:52,918 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 16:00:52,933 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 16:00:52,950 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 16:00:53,042 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 16:00:53,043 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 16:00:53,043 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 16:00:53,043 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 16:00:53,044 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 16:00:53,044 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 16:00:53,044 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 16:00:53,044 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 16:00:53,044 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 16:00:53,260 INFO L276 IsEmpty]: Start isEmpty. Operand 20357 states. [2018-10-24 16:00:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16513 [2018-10-24 16:00:56,772 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 16:00:56,784 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] [2018-10-24 16:00:56,788 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 16:00:56,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 16:00:56,809 INFO L82 PathProgramCache]: Analyzing trace with hash -2087904060, now seen corresponding path program 1 times [2018-10-24 16:00:56,811 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 16:00:56,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 16:00:56,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:00:56,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 16:00:56,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 16:01:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown