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_label20_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 18:43:28,784 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 18:43:28,786 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 18:43:28,798 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 18:43:28,798 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 18:43:28,799 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 18:43:28,800 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 18:43:28,802 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 18:43:28,804 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 18:43:28,804 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 18:43:28,805 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 18:43:28,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 18:43:28,806 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 18:43:28,807 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 18:43:28,809 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 18:43:28,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 18:43:28,810 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 18:43:28,812 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 18:43:28,814 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 18:43:28,816 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 18:43:28,817 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 18:43:28,818 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 18:43:28,820 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 18:43:28,820 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 18:43:28,821 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 18:43:28,822 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 18:43:28,823 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 18:43:28,823 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 18:43:28,824 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 18:43:28,825 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 18:43:28,826 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 18:43:28,826 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 18:43:28,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 18:43:28,827 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 18:43:28,828 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 18:43:28,828 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 18:43:28,829 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 18:43:28,843 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 18:43:28,844 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 18:43:28,845 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 18:43:28,845 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 18:43:28,845 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 18:43:28,846 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 18:43:28,846 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 18:43:28,847 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 18:43:28,847 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 18:43:28,847 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 18:43:28,847 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 18:43:28,847 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 18:43:28,848 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 18:43:28,848 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 18:43:28,848 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 18:43:28,848 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 18:43:28,848 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 18:43:28,849 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 18:43:28,849 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 18:43:28,850 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 18:43:28,850 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 18:43:28,850 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 18:43:28,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 18:43:28,850 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 18:43:28,851 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 18:43:28,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 18:43:28,851 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 18:43:28,851 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 18:43:28,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 18:43:28,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 18:43:28,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 18:43:28,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 18:43:28,932 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 18:43:28,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label20_false-unreach-call.c [2018-10-26 18:43:28,998 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b568f70d8/33969ddd8ac94105844157294f16560c/FLAG80901ffcd [2018-10-26 18:43:31,148 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 18:43:31,149 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label20_false-unreach-call.c [2018-10-26 18:43:31,349 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b568f70d8/33969ddd8ac94105844157294f16560c/FLAG80901ffcd [2018-10-26 18:43:31,363 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/b568f70d8/33969ddd8ac94105844157294f16560c [2018-10-26 18:43:31,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 18:43:31,375 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 18:43:31,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 18:43:31,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 18:43:31,380 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 18:43:31,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 06:43:31" (1/1) ... [2018-10-26 18:43:31,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6351e815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:31, skipping insertion in model container [2018-10-26 18:43:31,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 06:43:31" (1/1) ... [2018-10-26 18:43:31,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 18:43:32,471 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 18:43:42,893 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 18:43:42,897 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 18:43:49,347 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 18:43:50,309 INFO L193 MainTranslator]: Completed translation [2018-10-26 18:43:50,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:50 WrapperNode [2018-10-26 18:43:50,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 18:43:50,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 18:43:50,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 18:43:50,312 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 18:43:50,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:50" (1/1) ... [2018-10-26 18:43:50,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:50" (1/1) ... [2018-10-26 18:43:55,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 18:43:55,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 18:43:55,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 18:43:55,407 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 18:43:55,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:50" (1/1) ... [2018-10-26 18:43:55,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:50" (1/1) ... [2018-10-26 18:43:55,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:50" (1/1) ... [2018-10-26 18:43:55,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:50" (1/1) ... [2018-10-26 18:43:56,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:50" (1/1) ... [2018-10-26 18:43:56,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:50" (1/1) ... [2018-10-26 18:43:57,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:50" (1/1) ... [2018-10-26 18:43:57,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 18:43:57,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 18:43:57,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 18:43:57,826 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 18:43:57,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:50" (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 18:43:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 18:43:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 18:43:57,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 18:44:52,873 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 18:44:52,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:44:52 BoogieIcfgContainer [2018-10-26 18:44:52,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 18:44:52,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 18:44:52,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 18:44:52,879 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 18:44:52,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 06:43:31" (1/3) ... [2018-10-26 18:44:52,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67577039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 06:44:52, skipping insertion in model container [2018-10-26 18:44:52,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 06:43:50" (2/3) ... [2018-10-26 18:44:52,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67577039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 06:44:52, skipping insertion in model container [2018-10-26 18:44:52,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 06:44:52" (3/3) ... [2018-10-26 18:44:52,882 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label20_false-unreach-call.c [2018-10-26 18:44:52,892 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 18:44:52,906 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 18:44:52,923 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 18:44:53,000 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 18:44:53,001 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 18:44:53,001 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 18:44:53,001 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 18:44:53,001 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 18:44:53,001 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 18:44:53,001 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 18:44:53,001 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 18:44:53,001 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 18:44:53,138 INFO L276 IsEmpty]: Start isEmpty. Operand 10258 states. [2018-10-26 18:44:53,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10103 [2018-10-26 18:44:53,972 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 18:44:53,980 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] [2018-10-26 18:44:53,990 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 18:44:54,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 18:44:54,006 INFO L82 PathProgramCache]: Analyzing trace with hash -818094118, now seen corresponding path program 1 times [2018-10-26 18:44:54,008 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 18:44:54,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 18:44:54,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 18:44:54,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 18:44:54,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 18:44:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 18:45:32,651 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 18:46:54,582 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 18:46:54,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 18:46:54,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 18:46:54,612 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 18:46:54,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 18:46:54,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 18:46:54,631 INFO L87 Difference]: Start difference. First operand 10258 states. Second operand 4 states. Received shutdown request... [2018-10-26 18:47:29,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 18:47:29,655 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 18:47:29,663 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 18:47:29,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 06:47:29 BoogieIcfgContainer [2018-10-26 18:47:29,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 18:47:29,668 INFO L168 Benchmark]: Toolchain (without parser) took 238294.83 ms. Allocated memory was 1.5 GB in the beginning and 4.6 GB in the end (delta: 3.1 GB). Free memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-26 18:47:29,673 INFO L168 Benchmark]: CDTParser took 0.96 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 18:47:29,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 18935.13 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 663.2 MB). Free memory was 1.2 GB in the beginning and 796.8 MB in the end (delta: 379.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-26 18:47:29,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 5094.89 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 1.1 GB). Free memory was 796.8 MB in the beginning and 2.4 GB in the end (delta: -1.6 GB). Peak memory consumption was 280.2 MB. Max. memory is 7.1 GB. [2018-10-26 18:47:29,679 INFO L168 Benchmark]: Boogie Preprocessor took 2418.35 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: 391.6 MB). Peak memory consumption was 391.6 MB. Max. memory is 7.1 GB. [2018-10-26 18:47:29,683 INFO L168 Benchmark]: RCFGBuilder took 55048.81 ms. Allocated memory was 3.2 GB in the beginning and 4.0 GB in the end (delta: 769.1 MB). Free memory was 2.0 GB in the beginning and 2.8 GB in the end (delta: -864.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-26 18:47:29,684 INFO L168 Benchmark]: TraceAbstraction took 156791.54 ms. Allocated memory was 4.0 GB in the beginning and 4.6 GB in the end (delta: 610.3 MB). Free memory was 2.8 GB in the beginning and 3.2 GB in the end (delta: -335.3 MB). Peak memory consumption was 275.0 MB. Max. memory is 7.1 GB. [2018-10-26 18:47:29,693 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 18935.13 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 663.2 MB). Free memory was 1.2 GB in the beginning and 796.8 MB in the end (delta: 379.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 5094.89 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 1.1 GB). Free memory was 796.8 MB in the beginning and 2.4 GB in the end (delta: -1.6 GB). Peak memory consumption was 280.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2418.35 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: 391.6 MB). Peak memory consumption was 391.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 55048.81 ms. Allocated memory was 3.2 GB in the beginning and 4.0 GB in the end (delta: 769.1 MB). Free memory was 2.0 GB in the beginning and 2.8 GB in the end (delta: -864.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * TraceAbstraction took 156791.54 ms. Allocated memory was 4.0 GB in the beginning and 4.6 GB in the end (delta: 610.3 MB). Free memory was 2.8 GB in the beginning and 3.2 GB in the end (delta: -335.3 MB). Peak memory consumption was 275.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 73541]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 73541). 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 (13753 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10258 locations, 1 error locations. TIMEOUT Result, 156.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 35.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1681 SDtfs, 4123 SDslu, 65 SDs, 0 SdLazy, 20986 SolverSat, 4622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.0s 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, 36.3s InterpolantComputationTime, 10102 NumberOfCodeBlocks, 10102 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10101 ConstructedInterpolants, 0 QuantifiedInterpolants, 408039996 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