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/Problem07_label23_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 18:43:46,813 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 18:43:46,816 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 18:43:46,834 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 18:43:46,834 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 18:43:46,835 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 18:43:46,837 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 18:43:46,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 18:43:46,842 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 18:43:46,843 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 18:43:46,844 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 18:43:46,852 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 18:43:46,853 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 18:43:46,854 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 18:43:46,855 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 18:43:46,858 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 18:43:46,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 18:43:46,862 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 18:43:46,865 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 18:43:46,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 18:43:46,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 18:43:46,871 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 18:43:46,873 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 18:43:46,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 18:43:46,875 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 18:43:46,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 18:43:46,877 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 18:43:46,877 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 18:43:46,879 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 18:43:46,881 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 18:43:46,881 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 18:43:46,882 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 18:43:46,882 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 18:43:46,882 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 18:43:46,885 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 18:43:46,886 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 18:43:46,886 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 18:43:46,913 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 18:43:46,913 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 18:43:46,914 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 18:43:46,914 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 18:43:46,915 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 18:43:46,915 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 18:43:46,915 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 18:43:46,915 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 18:43:46,915 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 18:43:46,916 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 18:43:46,917 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 18:43:46,917 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 18:43:46,917 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 18:43:46,917 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 18:43:46,917 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 18:43:46,918 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 18:43:46,918 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 18:43:46,918 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 18:43:46,918 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 18:43:46,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 18:43:46,918 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 18:43:46,920 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 18:43:46,920 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 18:43:46,920 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 18:43:46,920 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 18:43:46,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 18:43:46,921 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 18:43:46,921 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 18:43:46,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 18:43:46,992 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 18:43:46,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 18:43:46,997 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 18:43:46,998 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 18:43:46,998 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label23_false-unreach-call.c [2018-10-26 18:43:47,059 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bfe3c9a93/2a949240d6c24c2abe577b813e3fbd9c/FLAG8616f1acf [2018-10-26 18:43:48,988 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 18:43:48,989 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label23_false-unreach-call.c [2018-10-26 18:43:49,156 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bfe3c9a93/2a949240d6c24c2abe577b813e3fbd9c/FLAG8616f1acf [2018-10-26 18:43:49,170 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bfe3c9a93/2a949240d6c24c2abe577b813e3fbd9c [2018-10-26 18:43:49,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 18:43:49,180 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 18:43:49,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 18:43:49,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 18:43:49,185 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 18:43:49,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 06:43:49" (1/1) ... [2018-10-26 18:43:49,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25131977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:49, skipping insertion in model container [2018-10-26 18:43:49,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 06:43:49" (1/1) ... [2018-10-26 18:43:49,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 18:43:50,770 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 18:44:00,988 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 18:44:00,997 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 18:44:07,583 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 18:44:08,440 INFO L193 MainTranslator]: Completed translation [2018-10-26 18:44:08,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:44:08 WrapperNode [2018-10-26 18:44:08,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 18:44:08,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 18:44:08,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 18:44:08,441 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 18:44:08,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:44:08" (1/1) ... [2018-10-26 18:44:08,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:44:08" (1/1) ... [2018-10-26 18:44:13,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 18:44:13,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 18:44:13,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 18:44:13,771 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 18:44:13,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:44:08" (1/1) ... [2018-10-26 18:44:13,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:44:08" (1/1) ... [2018-10-26 18:44:14,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:44:08" (1/1) ... [2018-10-26 18:44:14,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:44:08" (1/1) ... [2018-10-26 18:44:15,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:44:08" (1/1) ... [2018-10-26 18:44:15,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:44:08" (1/1) ... [2018-10-26 18:44:15,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:44:08" (1/1) ... [2018-10-26 18:44:16,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 18:44:16,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 18:44:16,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 18:44:16,252 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 18:44:16,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:44:08" (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 18:44:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 18:44:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 18:44:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 18:45:10,170 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 18:45:10,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:45:10 BoogieIcfgContainer [2018-10-26 18:45:10,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 18:45:10,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 18:45:10,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 18:45:10,176 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 18:45:10,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 06:43:49" (1/3) ... [2018-10-26 18:45:10,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e04a9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 06:45:10, skipping insertion in model container [2018-10-26 18:45:10,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:44:08" (2/3) ... [2018-10-26 18:45:10,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e04a9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 06:45:10, skipping insertion in model container [2018-10-26 18:45:10,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:45:10" (3/3) ... [2018-10-26 18:45:10,180 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label23_false-unreach-call.c [2018-10-26 18:45:10,189 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 18:45:10,201 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 18:45:10,218 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 18:45:10,312 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 18:45:10,312 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 18:45:10,313 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 18:45:10,313 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 18:45:10,313 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 18:45:10,313 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 18:45:10,313 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 18:45:10,313 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 18:45:10,314 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 18:45:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 10258 states. [2018-10-26 18:45:11,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10108 [2018-10-26 18:45:11,337 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 18:45:11,345 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] [2018-10-26 18:45:11,348 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 18:45:11,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 18:45:11,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1938530986, now seen corresponding path program 1 times [2018-10-26 18:45:11,363 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 18:45:11,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 18:45:11,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 18:45:11,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 18:45:11,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 18:45:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 18:47:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 18:47:04,241 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 18:47:04,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 18:47:04,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 18:47:04,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 18:47:04,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 18:47:04,284 INFO L87 Difference]: Start difference. First operand 10258 states. Second operand 4 states. Received shutdown request... [2018-10-26 18:47:47,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 18:47:47,209 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 18:47:47,214 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 18:47:47,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 06:47:47 BoogieIcfgContainer [2018-10-26 18:47:47,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 18:47:47,216 INFO L168 Benchmark]: Toolchain (without parser) took 238036.11 ms. Allocated memory was 1.5 GB in the beginning and 4.7 GB in the end (delta: 3.1 GB). Free memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: -379.0 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-10-26 18:47:47,218 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 18:47:47,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 19259.44 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 612.9 MB). Free memory was 1.2 GB in the beginning and 729.0 MB in the end (delta: 476.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-26 18:47:47,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 5328.38 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 1.1 GB). Free memory was 729.0 MB in the beginning and 2.4 GB in the end (delta: -1.6 GB). Peak memory consumption was 294.7 MB. Max. memory is 7.1 GB. [2018-10-26 18:47:47,221 INFO L168 Benchmark]: Boogie Preprocessor took 2480.23 ms. Allocated memory is still 3.2 GB. Free memory was 2.4 GB in the beginning and 2.0 GB in the end (delta: 421.7 MB). Peak memory consumption was 421.7 MB. Max. memory is 7.1 GB. [2018-10-26 18:47:47,222 INFO L168 Benchmark]: RCFGBuilder took 53920.25 ms. Allocated memory was 3.2 GB in the beginning and 4.1 GB in the end (delta: 819.5 MB). Free memory was 2.0 GB in the beginning and 2.8 GB in the end (delta: -821.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-26 18:47:47,223 INFO L168 Benchmark]: TraceAbstraction took 157042.51 ms. Allocated memory was 4.1 GB in the beginning and 4.7 GB in the end (delta: 610.8 MB). Free memory was 2.8 GB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-26 18:47:47,229 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 19259.44 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 612.9 MB). Free memory was 1.2 GB in the beginning and 729.0 MB in the end (delta: 476.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 5328.38 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 1.1 GB). Free memory was 729.0 MB in the beginning and 2.4 GB in the end (delta: -1.6 GB). Peak memory consumption was 294.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2480.23 ms. Allocated memory is still 3.2 GB. Free memory was 2.4 GB in the beginning and 2.0 GB in the end (delta: 421.7 MB). Peak memory consumption was 421.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 53920.25 ms. Allocated memory was 3.2 GB in the beginning and 4.1 GB in the end (delta: 819.5 MB). Free memory was 2.0 GB in the beginning and 2.8 GB in the end (delta: -821.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * TraceAbstraction took 157042.51 ms. Allocated memory was 4.1 GB in the beginning and 4.7 GB in the end (delta: 610.8 MB). Free memory was 2.8 GB in the beginning and 1.6 GB in the end (delta: 1.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 73556]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 73556). Cancelled while BasicCegarLoop was constructing difference of abstraction (10258states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (17707 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10258 locations, 1 error locations. TIMEOUT Result, 156.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 42.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2170 SDtfs, 5306 SDslu, 76 SDs, 0 SdLazy, 27012 SolverSat, 5963 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10258occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 35.2s InterpolantComputationTime, 10107 NumberOfCodeBlocks, 10107 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10106 ConstructedInterpolants, 0 QuantifiedInterpolants, 408444096 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown