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_label10_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 13:51:21,090 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 13:51:21,092 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 13:51:21,104 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 13:51:21,104 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 13:51:21,105 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 13:51:21,106 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 13:51:21,108 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 13:51:21,110 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 13:51:21,111 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 13:51:21,112 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 13:51:21,112 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 13:51:21,113 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 13:51:21,114 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 13:51:21,116 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 13:51:21,116 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 13:51:21,117 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 13:51:21,119 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 13:51:21,121 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 13:51:21,123 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 13:51:21,124 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 13:51:21,126 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 13:51:21,128 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 13:51:21,128 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 13:51:21,129 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 13:51:21,130 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 13:51:21,131 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 13:51:21,132 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 13:51:21,132 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 13:51:21,134 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 13:51:21,134 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 13:51:21,135 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 13:51:21,135 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 13:51:21,135 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 13:51:21,136 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 13:51:21,137 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 13:51:21,137 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 13:51:21,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 13:51:21,153 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 13:51:21,154 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 13:51:21,154 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 13:51:21,157 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 13:51:21,157 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 13:51:21,158 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 13:51:21,158 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 13:51:21,158 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 13:51:21,158 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 13:51:21,159 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 13:51:21,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 13:51:21,162 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 13:51:21,162 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 13:51:21,162 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 13:51:21,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 13:51:21,163 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 13:51:21,163 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 13:51:21,163 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 13:51:21,163 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 13:51:21,164 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 13:51:21,164 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 13:51:21,164 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 13:51:21,164 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 13:51:21,164 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 13:51:21,165 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 13:51:21,165 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 13:51:21,165 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 13:51:21,213 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 13:51:21,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 13:51:21,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 13:51:21,230 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 13:51:21,231 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 13:51:21,231 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label10_false-unreach-call.c [2018-10-24 13:51:21,289 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d1c18487a/f6228ae4164c456dad455b130ac7f9ac/FLAGa7f644389 [2018-10-24 13:51:24,204 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 13:51:24,205 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label10_false-unreach-call.c [2018-10-24 13:51:24,456 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d1c18487a/f6228ae4164c456dad455b130ac7f9ac/FLAGa7f644389 [2018-10-24 13:51:24,469 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d1c18487a/f6228ae4164c456dad455b130ac7f9ac [2018-10-24 13:51:24,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 13:51:24,480 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 13:51:24,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 13:51:24,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 13:51:24,486 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 13:51:24,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:51:24" (1/1) ... [2018-10-24 13:51:24,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b5a5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:24, skipping insertion in model container [2018-10-24 13:51:24,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:51:24" (1/1) ... [2018-10-24 13:51:24,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 13:51:26,216 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 13:51:52,206 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 13:51:52,213 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 13:52:15,659 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 13:52:17,897 INFO L193 MainTranslator]: Completed translation [2018-10-24 13:52:17,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:52:17 WrapperNode [2018-10-24 13:52:17,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 13:52:17,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 13:52:17,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 13:52:17,900 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 13:52:17,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:52:17" (1/1) ... [2018-10-24 13:52:18,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:52:17" (1/1) ... [2018-10-24 13:52:23,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 13:52:23,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 13:52:23,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 13:52:23,617 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 13:52:23,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:52:17" (1/1) ... [2018-10-24 13:52:23,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:52:17" (1/1) ... [2018-10-24 13:52:24,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:52:17" (1/1) ... [2018-10-24 13:52:24,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:52:17" (1/1) ... [2018-10-24 13:52:27,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:52:17" (1/1) ... [2018-10-24 13:52:28,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:52:17" (1/1) ... [2018-10-24 13:52:29,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:52:17" (1/1) ... [2018-10-24 13:52:30,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 13:52:30,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 13:52:30,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 13:52:30,002 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 13:52:30,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:52:17" (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 13:52:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 13:52:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 13:52:30,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 13:54:13,336 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 13:54:13,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:54:13 BoogieIcfgContainer [2018-10-24 13:54:13,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 13:54:13,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 13:54:13,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 13:54:13,341 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 13:54:13,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:51:24" (1/3) ... [2018-10-24 13:54:13,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d467af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:54:13, skipping insertion in model container [2018-10-24 13:54:13,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:52:17" (2/3) ... [2018-10-24 13:54:13,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d467af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:54:13, skipping insertion in model container [2018-10-24 13:54:13,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:54:13" (3/3) ... [2018-10-24 13:54:13,345 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem09_label10_false-unreach-call.c [2018-10-24 13:54:13,355 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 13:54:13,371 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 13:54:13,390 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 13:54:13,491 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 13:54:13,491 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 13:54:13,491 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 13:54:13,492 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 13:54:13,492 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 13:54:13,492 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 13:54:13,492 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 13:54:13,492 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 13:54:13,492 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 13:54:13,713 INFO L276 IsEmpty]: Start isEmpty. Operand 20357 states. [2018-10-24 13:54:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16473 [2018-10-24 13:54:16,245 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 13:54:16,257 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] [2018-10-24 13:54:16,262 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 13:54:16,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 13:54:16,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1744977756, now seen corresponding path program 1 times [2018-10-24 13:54:16,280 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 13:54:16,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 13:54:16,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 13:54:16,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 13:54:16,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 13:54:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown