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/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 14:28:41,792 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 14:28:41,797 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 14:28:41,819 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 14:28:41,820 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 14:28:41,823 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 14:28:41,825 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 14:28:41,827 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 14:28:41,830 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 14:28:41,831 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 14:28:41,832 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 14:28:41,832 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 14:28:41,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 14:28:41,835 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 14:28:41,842 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 14:28:41,844 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 14:28:41,848 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 14:28:41,851 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 14:28:41,855 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 14:28:41,856 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 14:28:41,859 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 14:28:41,861 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 14:28:41,865 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 14:28:41,866 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 14:28:41,866 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 14:28:41,867 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 14:28:41,868 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 14:28:41,871 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 14:28:41,872 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 14:28:41,873 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 14:28:41,873 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 14:28:41,876 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 14:28:41,877 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 14:28:41,877 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 14:28:41,878 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 14:28:41,878 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 14:28:41,880 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-10-27 14:28:41,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 14:28:41,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 14:28:41,909 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 14:28:41,910 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 14:28:41,910 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 14:28:41,910 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 14:28:41,910 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 14:28:41,911 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 14:28:41,913 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 14:28:41,913 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 14:28:41,914 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 14:28:41,914 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 14:28:41,915 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 14:28:41,915 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 14:28:41,915 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 14:28:41,915 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 14:28:41,916 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 14:28:41,917 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 14:28:41,917 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 14:28:41,918 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 14:28:41,918 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 14:28:41,918 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 14:28:41,918 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 14:28:41,918 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 14:28:41,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 14:28:41,919 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 14:28:41,919 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 14:28:41,920 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 14:28:41,920 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 14:28:41,920 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 14:28:41,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 14:28:41,920 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 14:28:41,921 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 14:28:41,921 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 14:28:41,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 14:28:42,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 14:28:42,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 14:28:42,017 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 14:28:42,017 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 14:28:42,018 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-10-27 14:28:42,084 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2164e34a9/b300962d5b3648468bc916c772ba4ed3/FLAGef9159d1b [2018-10-27 14:28:42,660 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 14:28:42,661 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-10-27 14:28:42,680 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2164e34a9/b300962d5b3648468bc916c772ba4ed3/FLAGef9159d1b [2018-10-27 14:28:42,704 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2164e34a9/b300962d5b3648468bc916c772ba4ed3 [2018-10-27 14:28:42,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 14:28:42,720 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 14:28:42,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 14:28:42,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 14:28:42,727 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 14:28:42,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:28:42" (1/1) ... [2018-10-27 14:28:42,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3e367d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:42, skipping insertion in model container [2018-10-27 14:28:42,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:28:42" (1/1) ... [2018-10-27 14:28:42,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 14:28:42,812 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 14:28:43,324 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 14:28:43,329 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 14:28:43,485 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 14:28:43,503 INFO L193 MainTranslator]: Completed translation [2018-10-27 14:28:43,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:43 WrapperNode [2018-10-27 14:28:43,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 14:28:43,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 14:28:43,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 14:28:43,505 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 14:28:43,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:43" (1/1) ... [2018-10-27 14:28:43,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:43" (1/1) ... [2018-10-27 14:28:43,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 14:28:43,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 14:28:43,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 14:28:43,730 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 14:28:43,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:43" (1/1) ... [2018-10-27 14:28:43,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:43" (1/1) ... [2018-10-27 14:28:43,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:43" (1/1) ... [2018-10-27 14:28:43,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:43" (1/1) ... [2018-10-27 14:28:43,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:43" (1/1) ... [2018-10-27 14:28:43,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:43" (1/1) ... [2018-10-27 14:28:43,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:43" (1/1) ... [2018-10-27 14:28:43,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 14:28:43,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 14:28:43,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 14:28:43,879 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 14:28:43,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:43" (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 [2018-10-27 14:28:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 14:28:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 14:28:43,935 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 14:28:43,935 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 14:28:43,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 14:28:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 14:28:43,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 14:28:43,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 14:28:47,437 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 14:28:47,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:28:47 BoogieIcfgContainer [2018-10-27 14:28:47,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 14:28:47,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 14:28:47,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 14:28:47,443 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 14:28:47,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:28:42" (1/3) ... [2018-10-27 14:28:47,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5845fc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:28:47, skipping insertion in model container [2018-10-27 14:28:47,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:28:43" (2/3) ... [2018-10-27 14:28:47,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5845fc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:28:47, skipping insertion in model container [2018-10-27 14:28:47,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:28:47" (3/3) ... [2018-10-27 14:28:47,447 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label50_true-unreach-call_false-termination.c [2018-10-27 14:28:47,456 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 14:28:47,464 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 14:28:47,483 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 14:28:47,525 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 14:28:47,525 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 14:28:47,525 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 14:28:47,525 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 14:28:47,526 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 14:28:47,529 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 14:28:47,529 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 14:28:47,530 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 14:28:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-10-27 14:28:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 14:28:47,567 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 14:28:47,569 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] [2018-10-27 14:28:47,571 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 14:28:47,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 14:28:47,577 INFO L82 PathProgramCache]: Analyzing trace with hash -50157732, now seen corresponding path program 1 times [2018-10-27 14:28:47,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 14:28:47,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 14:28:47,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 14:28:47,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 14:28:47,630 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 14:28:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 14:28:48,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 14:28:48,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 14:28:48,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 14:28:48,024 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 14:28:48,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 14:28:48,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 14:28:48,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 14:28:48,050 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-10-27 14:28:49,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 14:28:49,770 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-10-27 14:28:49,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 14:28:49,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-10-27 14:28:49,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 14:28:49,795 INFO L225 Difference]: With dead ends: 691 [2018-10-27 14:28:49,795 INFO L226 Difference]: Without dead ends: 434 [2018-10-27 14:28:49,804 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 14:28:49,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-10-27 14:28:49,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-10-27 14:28:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-10-27 14:28:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-10-27 14:28:49,891 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 44 [2018-10-27 14:28:49,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 14:28:49,892 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-10-27 14:28:49,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 14:28:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-10-27 14:28:49,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-27 14:28:49,900 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 14:28:49,900 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 14:28:49,901 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 14:28:49,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 14:28:49,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1724157031, now seen corresponding path program 1 times [2018-10-27 14:28:49,901 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 14:28:49,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 14:28:49,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 14:28:49,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 14:28:49,904 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 14:28:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 14:28:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 14:28:50,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 14:28:50,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 14:28:50,262 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 14:28:50,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 14:28:50,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 14:28:50,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 14:28:50,265 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-10-27 14:28:52,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 14:28:52,254 INFO L93 Difference]: Finished difference Result 1062 states and 1897 transitions. [2018-10-27 14:28:52,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 14:28:52,255 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-10-27 14:28:52,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 14:28:52,261 INFO L225 Difference]: With dead ends: 1062 [2018-10-27 14:28:52,261 INFO L226 Difference]: Without dead ends: 634 [2018-10-27 14:28:52,264 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 14:28:52,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-10-27 14:28:52,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 625. [2018-10-27 14:28:52,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-10-27 14:28:52,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1019 transitions. [2018-10-27 14:28:52,306 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1019 transitions. Word has length 131 [2018-10-27 14:28:52,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 14:28:52,307 INFO L481 AbstractCegarLoop]: Abstraction has 625 states and 1019 transitions. [2018-10-27 14:28:52,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 14:28:52,307 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1019 transitions. [2018-10-27 14:28:52,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 14:28:52,311 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 14:28:52,312 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 14:28:52,312 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 14:28:52,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 14:28:52,313 INFO L82 PathProgramCache]: Analyzing trace with hash 415093804, now seen corresponding path program 1 times [2018-10-27 14:28:52,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 14:28:52,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 14:28:52,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 14:28:52,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 14:28:52,315 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 14:28:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 14:28:52,650 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 14:28:52,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 14:28:52,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 14:28:52,651 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 14:28:52,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 14:28:52,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 14:28:52,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 14:28:52,655 INFO L87 Difference]: Start difference. First operand 625 states and 1019 transitions. Second operand 4 states. [2018-10-27 14:28:57,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 14:28:57,752 INFO L93 Difference]: Finished difference Result 2352 states and 4010 transitions. [2018-10-27 14:28:57,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 14:28:57,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2018-10-27 14:28:57,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 14:28:57,773 INFO L225 Difference]: With dead ends: 2352 [2018-10-27 14:28:57,773 INFO L226 Difference]: Without dead ends: 1733 [2018-10-27 14:28:57,779 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 14:28:57,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2018-10-27 14:28:57,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1733. [2018-10-27 14:28:57,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1733 states. [2018-10-27 14:28:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2668 transitions. [2018-10-27 14:28:57,863 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2668 transitions. Word has length 140 [2018-10-27 14:28:57,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 14:28:57,864 INFO L481 AbstractCegarLoop]: Abstraction has 1733 states and 2668 transitions. [2018-10-27 14:28:57,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 14:28:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2668 transitions. [2018-10-27 14:28:57,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-10-27 14:28:57,883 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 14:28:57,884 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 14:28:57,884 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 14:28:57,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 14:28:57,884 INFO L82 PathProgramCache]: Analyzing trace with hash -872463117, now seen corresponding path program 1 times [2018-10-27 14:28:57,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 14:28:57,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 14:28:57,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 14:28:57,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 14:28:57,886 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 14:28:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 14:28:58,460 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 9 [2018-10-27 14:28:58,613 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-10-27 14:28:58,736 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 15 [2018-10-27 14:28:59,360 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 147 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 14:28:59,361 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 14:28:59,361 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 14:28:59,363 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-10-27 14:28:59,365 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [694], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-27 14:28:59,418 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 14:28:59,418 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 14:29:00,408 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 14:29:09,750 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 14:29:09,752 INFO L272 AbstractInterpreter]: Visited 125 different actions 125 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-27 14:29:09,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 14:29:09,798 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 14:29:19,838 INFO L227 lantSequenceWeakener]: Weakened 268 states. On average, predicates are now at 77.7% of their original sizes. [2018-10-27 14:29:19,838 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 14:29:20,212 INFO L415 sIntCurrentIteration]: We unified 276 AI predicates to 276 [2018-10-27 14:29:20,212 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 14:29:20,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 14:29:20,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2018-10-27 14:29:20,214 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 14:29:20,214 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 14:29:20,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 14:29:20,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-27 14:29:20,217 INFO L87 Difference]: Start difference. First operand 1733 states and 2668 transitions. Second operand 7 states. Received shutdown request... [2018-10-27 14:33:03,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 14:33:03,996 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 14:33:04,003 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 14:33:04,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 02:33:04 BoogieIcfgContainer [2018-10-27 14:33:04,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 14:33:04,006 INFO L168 Benchmark]: Toolchain (without parser) took 261288.05 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -663.6 MB). Peak memory consumption was 448.4 MB. Max. memory is 7.1 GB. [2018-10-27 14:33:04,008 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. [2018-10-27 14:33:04,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-27 14:33:04,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 224.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 735.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -823.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2018-10-27 14:33:04,012 INFO L168 Benchmark]: Boogie Preprocessor took 148.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2018-10-27 14:33:04,013 INFO L168 Benchmark]: RCFGBuilder took 3559.89 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 132.4 MB). Peak memory consumption was 132.4 MB. Max. memory is 7.1 GB. [2018-10-27 14:33:04,013 INFO L168 Benchmark]: TraceAbstraction took 256566.02 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 377.0 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -27.9 MB). Peak memory consumption was 349.1 MB. Max. memory is 7.1 GB. [2018-10-27 14:33:04,023 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 782.40 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 224.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 735.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -823.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.41 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3559.89 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 132.4 MB). Peak memory consumption was 132.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 256566.02 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 377.0 MB). Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: -27.9 MB). Peak memory consumption was 349.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 115). Cancelled while BasicCegarLoop was constructing difference of abstraction (1733states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (2431 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 256.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 232.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 741 SDtfs, 1717 SDslu, 403 SDs, 0 SdLazy, 3145 SolverSat, 978 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 221.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 297 GetRequests, 278 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1733occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9979601919819312 AbsIntWeakeningRatio, 0.09420289855072464 AbsIntAvgWeakeningVarsNumRemoved, 18.52536231884058 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 592 NumberOfCodeBlocks, 592 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 588 ConstructedInterpolants, 0 QuantifiedInterpolants, 1308429 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 221/261 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown