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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label46_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:16:51,828 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:16:51,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:16:51,848 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:16:51,848 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:16:51,850 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:16:51,852 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:16:51,855 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:16:51,858 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:16:51,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:16:51,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:16:51,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:16:51,864 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:16:51,865 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:16:51,866 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:16:51,866 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:16:51,875 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:16:51,878 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:16:51,881 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:16:51,883 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:16:51,884 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:16:51,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:16:51,892 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-27 00:16:51,904 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-27 00:16:51,929 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:16:51,929 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:16:51,930 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:16:51,931 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:16:51,931 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:16:51,931 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:16:51,931 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:16:51,931 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:16:51,932 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 00:16:51,932 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:16:51,932 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:16:51,932 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:16:51,933 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:16:51,934 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:16:51,934 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:16:51,934 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:16:51,934 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:16:51,934 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:16:51,934 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:16:51,935 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:16:51,936 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:16:51,936 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:16:51,936 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:16:51,937 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:16:51,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:16:51,937 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:16:51,937 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:16:51,937 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:16:51,937 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:16:51,938 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:16:51,938 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:16:51,938 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:16:51,938 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 00:16:51,938 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 00:16:51,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:16:52,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:16:52,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:16:52,014 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:16:52,014 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:16:52,015 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label46_false-unreach-call.c [2018-10-27 00:16:52,081 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5c5cbda3c/c218343b9c514651ac5b110e697c52e2/FLAG6e2c855ea [2018-10-27 00:16:52,853 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:16:52,854 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label46_false-unreach-call.c [2018-10-27 00:16:52,885 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5c5cbda3c/c218343b9c514651ac5b110e697c52e2/FLAG6e2c855ea [2018-10-27 00:16:52,910 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5c5cbda3c/c218343b9c514651ac5b110e697c52e2 [2018-10-27 00:16:52,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:16:52,924 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 00:16:52,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:16:52,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:16:52,929 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:16:52,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:16:52" (1/1) ... [2018-10-27 00:16:52,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5412784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:52, skipping insertion in model container [2018-10-27 00:16:52,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:16:52" (1/1) ... [2018-10-27 00:16:52,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:16:53,069 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:16:53,988 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:16:53,994 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:16:54,392 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:16:54,416 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:16:54,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:54 WrapperNode [2018-10-27 00:16:54,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:16:54,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:16:54,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:16:54,418 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:16:54,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:54" (1/1) ... [2018-10-27 00:16:54,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:54" (1/1) ... [2018-10-27 00:16:54,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:16:54,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:16:54,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:16:54,932 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:16:54,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:54" (1/1) ... [2018-10-27 00:16:54,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:54" (1/1) ... [2018-10-27 00:16:54,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:54" (1/1) ... [2018-10-27 00:16:54,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:54" (1/1) ... [2018-10-27 00:16:55,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:54" (1/1) ... [2018-10-27 00:16:55,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:54" (1/1) ... [2018-10-27 00:16:55,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:54" (1/1) ... [2018-10-27 00:16:55,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:16:55,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:16:55,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:16:55,222 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:16:55,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:54" (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 00:16:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:16:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:16:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 00:16:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 00:16:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 00:16:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 00:16:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:16:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:16:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:16:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:17:07,440 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:17:07,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:17:07 BoogieIcfgContainer [2018-10-27 00:17:07,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:17:07,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:17:07,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:17:07,452 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:17:07,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:16:52" (1/3) ... [2018-10-27 00:17:07,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1961139a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:17:07, skipping insertion in model container [2018-10-27 00:17:07,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:54" (2/3) ... [2018-10-27 00:17:07,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1961139a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:17:07, skipping insertion in model container [2018-10-27 00:17:07,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:17:07" (3/3) ... [2018-10-27 00:17:07,460 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label46_false-unreach-call.c [2018-10-27 00:17:07,471 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:17:07,488 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:17:07,507 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:17:07,559 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:17:07,560 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:17:07,560 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:17:07,560 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:17:07,560 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:17:07,560 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:17:07,561 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:17:07,561 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:17:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-27 00:17:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 00:17:07,603 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:17:07,606 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:17:07,608 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:17:07,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:17:07,617 INFO L82 PathProgramCache]: Analyzing trace with hash -343464482, now seen corresponding path program 1 times [2018-10-27 00:17:07,620 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:17:07,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:17:07,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:17:07,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:17:07,673 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:17:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:08,082 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 00:17:08,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:17:08,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 00:17:08,086 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:17:08,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 00:17:08,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 00:17:08,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:17:08,113 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-27 00:17:17,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:17:17,326 INFO L93 Difference]: Finished difference Result 2162 states and 4007 transitions. [2018-10-27 00:17:17,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 00:17:17,328 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-10-27 00:17:17,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:17:17,370 INFO L225 Difference]: With dead ends: 2162 [2018-10-27 00:17:17,371 INFO L226 Difference]: Without dead ends: 1552 [2018-10-27 00:17:17,381 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 00:17:17,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2018-10-27 00:17:17,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 1525. [2018-10-27 00:17:17,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1525 states. [2018-10-27 00:17:17,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 2696 transitions. [2018-10-27 00:17:17,556 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 2696 transitions. Word has length 17 [2018-10-27 00:17:17,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:17:17,557 INFO L481 AbstractCegarLoop]: Abstraction has 1525 states and 2696 transitions. [2018-10-27 00:17:17,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 00:17:17,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2696 transitions. [2018-10-27 00:17:17,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-27 00:17:17,568 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:17:17,568 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:17:17,569 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:17:17,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:17:17,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1337381359, now seen corresponding path program 1 times [2018-10-27 00:17:17,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:17:17,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:17:17,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:17:17,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:17:17,572 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:17:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:18,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:17:18,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:17:18,033 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:17:18,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:17:18,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:17:18,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:17:18,037 INFO L87 Difference]: Start difference. First operand 1525 states and 2696 transitions. Second operand 6 states. [2018-10-27 00:17:37,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:17:37,786 INFO L93 Difference]: Finished difference Result 5787 states and 10682 transitions. [2018-10-27 00:17:37,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:17:37,787 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2018-10-27 00:17:37,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:17:37,822 INFO L225 Difference]: With dead ends: 5787 [2018-10-27 00:17:37,822 INFO L226 Difference]: Without dead ends: 4268 [2018-10-27 00:17:37,842 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:17:37,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4268 states. [2018-10-27 00:17:37,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4268 to 4242. [2018-10-27 00:17:37,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4242 states. [2018-10-27 00:17:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 4242 states and 6360 transitions. [2018-10-27 00:17:37,979 INFO L78 Accepts]: Start accepts. Automaton has 4242 states and 6360 transitions. Word has length 96 [2018-10-27 00:17:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:17:37,979 INFO L481 AbstractCegarLoop]: Abstraction has 4242 states and 6360 transitions. [2018-10-27 00:17:37,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:17:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 4242 states and 6360 transitions. [2018-10-27 00:17:37,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-27 00:17:37,983 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:17:37,983 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:17:37,984 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:17:37,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:17:37,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1716529983, now seen corresponding path program 1 times [2018-10-27 00:17:37,984 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:17:37,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:17:37,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:17:37,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:17:37,986 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:17:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:38,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:17:38,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:17:38,179 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:17:38,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:17:38,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:17:38,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:17:38,180 INFO L87 Difference]: Start difference. First operand 4242 states and 6360 transitions. Second operand 6 states. [2018-10-27 00:17:46,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:17:46,138 INFO L93 Difference]: Finished difference Result 12710 states and 20700 transitions. [2018-10-27 00:17:46,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:17:46,139 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2018-10-27 00:17:46,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:17:46,217 INFO L225 Difference]: With dead ends: 12710 [2018-10-27 00:17:46,217 INFO L226 Difference]: Without dead ends: 8474 [2018-10-27 00:17:46,245 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 00:17:46,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8474 states. [2018-10-27 00:17:46,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8474 to 8389. [2018-10-27 00:17:46,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8389 states. [2018-10-27 00:17:46,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8389 states to 8389 states and 12579 transitions. [2018-10-27 00:17:46,510 INFO L78 Accepts]: Start accepts. Automaton has 8389 states and 12579 transitions. Word has length 97 [2018-10-27 00:17:46,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:17:46,511 INFO L481 AbstractCegarLoop]: Abstraction has 8389 states and 12579 transitions. [2018-10-27 00:17:46,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:17:46,511 INFO L276 IsEmpty]: Start isEmpty. Operand 8389 states and 12579 transitions. [2018-10-27 00:17:46,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-27 00:17:46,524 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:17:46,524 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:17:46,525 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:17:46,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:17:46,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1743474682, now seen corresponding path program 1 times [2018-10-27 00:17:46,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:17:46,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:17:46,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:17:46,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:17:46,530 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:17:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:46,902 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 00:17:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 00:17:46,989 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 00:17:46,989 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 00:17:46,990 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-10-27 00:17:46,992 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [746], [748], [751], [759], [767], [775], [783], [791], [799], [807], [815], [823], [831], [839], [847], [855], [863], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1228], [1232], [1236], [1239], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-27 00:17:47,078 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 00:17:47,079 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 00:17:48,424 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 00:18:08,917 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 00:18:08,919 INFO L272 AbstractInterpreter]: Visited 87 different actions 573 times. Merged at 5 different actions 30 times. Widened at 1 different actions 2 times. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-27 00:18:08,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:18:08,933 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 00:18:11,972 INFO L227 lantSequenceWeakener]: Weakened 26 states. On average, predicates are now at 77.09% of their original sizes. [2018-10-27 00:18:11,973 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 00:19:22,840 INFO L415 sIntCurrentIteration]: We unified 170 AI predicates to 170 [2018-10-27 00:19:22,841 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 00:19:22,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 00:19:22,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [6] total 31 [2018-10-27 00:19:22,842 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:19:22,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-27 00:19:22,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-27 00:19:22,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2018-10-27 00:19:22,844 INFO L87 Difference]: Start difference. First operand 8389 states and 12579 transitions. Second operand 27 states. Received shutdown request... [2018-10-27 00:20:58,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-27 00:20:58,485 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 00:20:58,491 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 00:20:58,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:20:58 BoogieIcfgContainer [2018-10-27 00:20:58,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:20:58,493 INFO L168 Benchmark]: Toolchain (without parser) took 245569.84 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-27 00:20:58,494 INFO L168 Benchmark]: CDTParser took 0.21 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 00:20:58,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1492.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 7.1 GB. [2018-10-27 00:20:58,496 INFO L168 Benchmark]: Boogie Procedure Inliner took 513.69 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 803.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -954.7 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. [2018-10-27 00:20:58,497 INFO L168 Benchmark]: Boogie Preprocessor took 289.45 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: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2018-10-27 00:20:58,498 INFO L168 Benchmark]: RCFGBuilder took 12220.48 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 454.9 MB). Peak memory consumption was 454.9 MB. Max. memory is 7.1 GB. [2018-10-27 00:20:58,500 INFO L168 Benchmark]: TraceAbstraction took 231048.96 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 2.9 GB in the end (delta: -1.2 GB). Peak memory consumption was 708.6 MB. Max. memory is 7.1 GB. [2018-10-27 00:20:58,507 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1492.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 513.69 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 803.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -954.7 MB). Peak memory consumption was 56.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 289.45 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: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 12220.48 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 454.9 MB). Peak memory consumption was 454.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 231048.96 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 1.7 GB in the beginning and 2.9 GB in the end (delta: -1.2 GB). Peak memory consumption was 708.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 38). Cancelled while BasicCegarLoop was constructing difference of abstraction (8389states) and FLOYD_HOARE automaton (currently 18 states, 27 states before enhancement),while ReachableStatesComputation was computing reachable states (366 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 230.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 132.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 685 SDtfs, 6806 SDslu, 806 SDs, 0 SdLazy, 9510 SolverSat, 3167 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 59.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 202 GetRequests, 106 SyntacticMatches, 49 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 75.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8389occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 21.9s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9933755656108596 AbsIntWeakeningRatio, 0.1588235294117647 AbsIntAvgWeakeningVarsNumRemoved, 601.9058823529411 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 138 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 381 NumberOfCodeBlocks, 381 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 189029 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 110/115 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown