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/Problem07_label54_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 20:38:02,682 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 20:38:02,684 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 20:38:02,698 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 20:38:02,698 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 20:38:02,699 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 20:38:02,701 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 20:38:02,702 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 20:38:02,704 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 20:38:02,705 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 20:38:02,706 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 20:38:02,706 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 20:38:02,707 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 20:38:02,708 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 20:38:02,709 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 20:38:02,710 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 20:38:02,711 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 20:38:02,713 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 20:38:02,715 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 20:38:02,716 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 20:38:02,717 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 20:38:02,719 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 20:38:02,726 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 20:38:02,728 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 20:38:02,728 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 20:38:02,729 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 20:38:02,733 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 20:38:02,734 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 20:38:02,735 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 20:38:02,736 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 20:38:02,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 20:38:02,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-06 20:38:02,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-06 20:38:02,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-06 20:38:02,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-06 20:38:02,742 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-06 20:38:02,743 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 20:38:02,773 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 20:38:02,774 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 20:38:02,774 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 20:38:02,778 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 20:38:02,779 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 20:38:02,779 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 20:38:02,779 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 20:38:02,779 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 20:38:02,780 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 20:38:02,780 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 20:38:02,780 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 20:38:02,780 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 20:38:02,780 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 20:38:02,781 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 20:38:02,781 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 20:38:02,781 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 20:38:02,781 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 20:38:02,781 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 20:38:02,785 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 20:38:02,785 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 20:38:02,785 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 20:38:02,785 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 20:38:02,785 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 20:38:02,786 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 20:38:02,786 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 20:38:02,786 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 20:38:02,786 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 20:38:02,786 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 20:38:02,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 20:38:02,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 20:38:02,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 20:38:02,879 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 20:38:02,880 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 20:38:02,880 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label54_true-unreach-call.c [2018-11-06 20:38:02,947 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4023070b/cc020e7720fa43d8885970dc0e2d29a1/FLAGc1cd099d8 [2018-11-06 20:38:05,001 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 20:38:05,002 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label54_true-unreach-call.c [2018-11-06 20:38:05,198 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4023070b/cc020e7720fa43d8885970dc0e2d29a1/FLAGc1cd099d8 [2018-11-06 20:38:05,212 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4023070b/cc020e7720fa43d8885970dc0e2d29a1 [2018-11-06 20:38:05,221 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 20:38:05,222 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 20:38:05,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 20:38:05,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 20:38:05,228 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 20:38:05,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:38:05" (1/1) ... [2018-11-06 20:38:05,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505a51cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:05, skipping insertion in model container [2018-11-06 20:38:05,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:38:05" (1/1) ... [2018-11-06 20:38:05,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 20:38:06,328 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 20:38:16,628 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 20:38:16,633 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 20:38:22,910 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 20:38:23,952 INFO L193 MainTranslator]: Completed translation [2018-11-06 20:38:23,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:23 WrapperNode [2018-11-06 20:38:23,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 20:38:23,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 20:38:23,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 20:38:23,954 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 20:38:26,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:23" (1/1) ... [2018-11-06 20:38:27,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:23" (1/1) ... [2018-11-06 20:38:28,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 20:38:28,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 20:38:28,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 20:38:28,921 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 20:38:28,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:23" (1/1) ... [2018-11-06 20:38:28,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:23" (1/1) ... [2018-11-06 20:38:29,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:23" (1/1) ... [2018-11-06 20:38:29,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:23" (1/1) ... [2018-11-06 20:38:30,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:23" (1/1) ... [2018-11-06 20:38:30,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:23" (1/1) ... [2018-11-06 20:38:31,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:23" (1/1) ... [2018-11-06 20:38:31,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 20:38:31,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 20:38:31,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 20:38:31,444 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 20:38:31,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:23" (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 20:38:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 20:38:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 20:38:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 20:39:24,825 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 20:39:24,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:39:24 BoogieIcfgContainer [2018-11-06 20:39:24,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 20:39:24,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 20:39:24,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 20:39:24,831 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 20:39:24,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:38:05" (1/3) ... [2018-11-06 20:39:24,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1ace47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:39:24, skipping insertion in model container [2018-11-06 20:39:24,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:38:23" (2/3) ... [2018-11-06 20:39:24,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1ace47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:39:24, skipping insertion in model container [2018-11-06 20:39:24,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:39:24" (3/3) ... [2018-11-06 20:39:24,835 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label54_true-unreach-call.c [2018-11-06 20:39:24,845 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 20:39:24,856 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 20:39:24,875 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 20:39:24,952 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 20:39:24,953 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 20:39:24,953 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 20:39:24,953 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 20:39:24,953 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 20:39:24,953 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 20:39:24,953 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 20:39:24,953 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 20:39:24,954 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 20:39:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 10258 states. [2018-11-06 20:39:26,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10138 [2018-11-06 20:39:26,029 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 20:39:26,037 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] [2018-11-06 20:39:26,044 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 20:39:26,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 20:39:26,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1815188958, now seen corresponding path program 1 times [2018-11-06 20:39:26,062 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 20:39:26,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 20:39:26,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 20:39:26,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 20:39:26,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 20:39:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 20:39:44,674 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-11-06 20:40:40,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 20:40:40,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 20:40:40,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 20:40:40,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 20:40:40,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 20:40:40,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 20:40:40,240 INFO L87 Difference]: Start difference. First operand 10258 states. Second operand 4 states. Received shutdown request... [2018-11-06 20:42:00,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 20:42:00,951 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-06 20:42:00,958 WARN L205 ceAbstractionStarter]: Timeout [2018-11-06 20:42:00,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 08:42:00 BoogieIcfgContainer [2018-11-06 20:42:00,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 20:42:00,960 INFO L168 Benchmark]: Toolchain (without parser) took 235738.05 ms. Allocated memory was 1.5 GB in the beginning and 4.5 GB in the end (delta: 3.0 GB). Free memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-06 20:42:00,961 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-11-06 20:42:00,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 18730.30 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 667.9 MB). Free memory was 1.2 GB in the beginning and 825.7 MB in the end (delta: 379.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-06 20:42:00,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 4966.89 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 991.4 MB). Free memory was 825.7 MB in the beginning and 2.3 GB in the end (delta: -1.5 GB). Peak memory consumption was 202.1 MB. Max. memory is 7.1 GB. [2018-11-06 20:42:00,964 INFO L168 Benchmark]: Boogie Preprocessor took 2522.16 ms. Allocated memory is still 3.2 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 396.2 MB). Peak memory consumption was 396.2 MB. Max. memory is 7.1 GB. [2018-11-06 20:42:00,965 INFO L168 Benchmark]: RCFGBuilder took 53383.38 ms. Allocated memory was 3.2 GB in the beginning and 3.9 GB in the end (delta: 744.5 MB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -659.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-11-06 20:42:00,966 INFO L168 Benchmark]: TraceAbstraction took 156130.47 ms. Allocated memory was 3.9 GB in the beginning and 4.5 GB in the end (delta: 593.0 MB). Free memory was 2.6 GB in the beginning and 2.4 GB in the end (delta: 175.6 MB). Peak memory consumption was 768.5 MB. Max. memory is 7.1 GB. [2018-11-06 20:42:00,972 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 18730.30 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 667.9 MB). Free memory was 1.2 GB in the beginning and 825.7 MB in the end (delta: 379.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 4966.89 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 991.4 MB). Free memory was 825.7 MB in the beginning and 2.3 GB in the end (delta: -1.5 GB). Peak memory consumption was 202.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2522.16 ms. Allocated memory is still 3.2 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 396.2 MB). Peak memory consumption was 396.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 53383.38 ms. Allocated memory was 3.2 GB in the beginning and 3.9 GB in the end (delta: 744.5 MB). Free memory was 1.9 GB in the beginning and 2.6 GB in the end (delta: -659.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * TraceAbstraction took 156130.47 ms. Allocated memory was 3.9 GB in the beginning and 4.5 GB in the end (delta: 593.0 MB). Free memory was 2.6 GB in the beginning and 2.4 GB in the end (delta: 175.6 MB). Peak memory consumption was 768.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 73646]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 73646). 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 (37764 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10258 locations, 1 error locations. TIMEOUT Result, 156.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 80.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 702 SDtfs, 19239 SDslu, 117 SDs, 0 SdLazy, 48610 SolverSat, 19205 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 66.0s 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, 1.5s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 10137 NumberOfCodeBlocks, 10137 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10136 ConstructedInterpolants, 0 QuantifiedInterpolants, 308306712 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