java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-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_label04_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 20:50:19,846 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 20:50:19,848 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 20:50:19,864 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 20:50:19,864 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 20:50:19,865 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 20:50:19,866 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 20:50:19,869 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 20:50:19,872 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 20:50:19,873 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 20:50:19,875 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 20:50:19,875 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 20:50:19,876 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 20:50:19,878 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 20:50:19,879 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 20:50:19,888 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 20:50:19,889 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 20:50:19,893 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 20:50:19,894 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 20:50:19,897 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 20:50:19,898 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 20:50:19,901 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 20:50:19,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 20:50:19,903 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 20:50:19,907 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 20:50:19,908 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 20:50:19,909 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 20:50:19,909 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 20:50:19,910 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 20:50:19,911 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 20:50:19,911 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 20:50:19,915 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-06 20:50:19,915 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-06 20:50:19,915 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-06 20:50:19,916 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-06 20:50:19,917 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-06 20:50:19,917 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 20:50:19,946 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 20:50:19,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 20:50:19,947 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 20:50:19,947 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 20:50:19,948 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 20:50:19,948 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 20:50:19,948 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 20:50:19,949 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 20:50:19,949 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 20:50:19,949 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 20:50:19,949 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 20:50:19,949 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 20:50:19,952 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 20:50:19,952 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 20:50:19,952 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 20:50:19,952 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 20:50:19,952 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 20:50:19,953 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 20:50:19,953 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 20:50:19,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 20:50:19,953 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 20:50:19,953 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 20:50:19,954 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 20:50:19,954 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 20:50:19,954 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 20:50:19,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 20:50:19,954 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 20:50:19,954 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 20:50:20,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 20:50:20,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 20:50:20,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 20:50:20,042 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 20:50:20,042 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 20:50:20,043 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label04_true-unreach-call.c [2018-11-06 20:50:20,108 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97128dcb5/08d17b1e8293422fb58d6052a455ef39/FLAG104f310c6 [2018-11-06 20:50:22,995 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 20:50:22,996 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label04_true-unreach-call.c [2018-11-06 20:50:23,232 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97128dcb5/08d17b1e8293422fb58d6052a455ef39/FLAG104f310c6 [2018-11-06 20:50:23,245 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97128dcb5/08d17b1e8293422fb58d6052a455ef39 [2018-11-06 20:50:23,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 20:50:23,254 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 20:50:23,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 20:50:23,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 20:50:23,259 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 20:50:23,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:50:23" (1/1) ... [2018-11-06 20:50:23,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86a71ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:50:23, skipping insertion in model container [2018-11-06 20:50:23,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:50:23" (1/1) ... [2018-11-06 20:50:23,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 20:50:25,387 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 20:50:54,003 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 20:50:54,008 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 20:51:06,874 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 20:51:11,000 INFO L193 MainTranslator]: Completed translation [2018-11-06 20:51:11,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:51:11 WrapperNode [2018-11-06 20:51:11,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 20:51:11,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 20:51:11,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 20:51:11,002 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 20:51:11,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:51:11" (1/1) ... [2018-11-06 20:51:11,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:51:11" (1/1) ... [2018-11-06 20:51:25,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 20:51:25,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 20:51:25,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 20:51:25,482 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 20:51:25,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:51:11" (1/1) ... [2018-11-06 20:51:25,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:51:11" (1/1) ... [2018-11-06 20:51:25,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:51:11" (1/1) ... [2018-11-06 20:51:25,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:51:11" (1/1) ... [2018-11-06 20:51:27,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:51:11" (1/1) ... [2018-11-06 20:51:29,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:51:11" (1/1) ... [2018-11-06 20:51:29,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:51:11" (1/1) ... [2018-11-06 20:51:30,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 20:51:30,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 20:51:30,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 20:51:30,210 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 20:51:30,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:51:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-06 20:51:30,274 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 20:51:30,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 20:51:30,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 20:53:06,251 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 20:53:06,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:53:06 BoogieIcfgContainer [2018-11-06 20:53:06,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 20:53:06,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 20:53:06,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 20:53:06,256 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 20:53:06,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:50:23" (1/3) ... [2018-11-06 20:53:06,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f720982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:53:06, skipping insertion in model container [2018-11-06 20:53:06,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:51:11" (2/3) ... [2018-11-06 20:53:06,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f720982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:53:06, skipping insertion in model container [2018-11-06 20:53:06,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:53:06" (3/3) ... [2018-11-06 20:53:06,260 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem09_label04_true-unreach-call.c [2018-11-06 20:53:06,268 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 20:53:06,281 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 20:53:06,299 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 20:53:06,390 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 20:53:06,391 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 20:53:06,391 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 20:53:06,391 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 20:53:06,391 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 20:53:06,391 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 20:53:06,391 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 20:53:06,391 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 20:53:06,391 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 20:53:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 20357 states. [2018-11-06 20:53:09,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16498 [2018-11-06 20:53:09,412 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 20:53:09,425 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] [2018-11-06 20:53:09,431 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 20:53:09,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 20:53:09,447 INFO L82 PathProgramCache]: Analyzing trace with hash 619750319, now seen corresponding path program 1 times [2018-11-06 20:53:09,448 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 20:53:09,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 20:53:09,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 20:53:09,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 20:53:09,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 20:53:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown