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/Problem14_label54_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 22:29:22,288 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 22:29:22,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 22:29:22,305 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 22:29:22,305 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 22:29:22,307 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 22:29:22,308 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 22:29:22,310 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 22:29:22,314 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 22:29:22,315 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 22:29:22,316 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 22:29:22,317 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 22:29:22,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 22:29:22,327 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 22:29:22,329 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 22:29:22,330 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 22:29:22,332 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 22:29:22,334 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 22:29:22,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 22:29:22,342 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 22:29:22,343 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 22:29:22,344 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 22:29:22,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-23 22:29:22,358 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 [2018-10-23 22:29:22,376 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 22:29:22,376 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 22:29:22,378 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 22:29:22,378 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 22:29:22,378 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 22:29:22,378 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 22:29:22,378 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 22:29:22,379 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 22:29:22,382 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 22:29:22,382 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 22:29:22,382 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 22:29:22,382 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 22:29:22,383 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 22:29:22,383 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 22:29:22,384 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 22:29:22,384 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 22:29:22,384 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 22:29:22,384 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 22:29:22,384 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 22:29:22,384 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 22:29:22,386 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 22:29:22,386 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 22:29:22,386 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 22:29:22,386 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 22:29:22,386 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 22:29:22,387 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 22:29:22,387 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 22:29:22,387 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 22:29:22,387 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 22:29:22,388 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 22:29:22,388 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 22:29:22,388 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 22:29:22,388 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 22:29:22,388 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 22:29:22,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 22:29:22,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 22:29:22,448 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 22:29:22,450 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 22:29:22,450 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 22:29:22,451 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label54_false-unreach-call_false-termination.c [2018-10-23 22:29:22,510 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bc1934a33/999972a9af944620a35cd7d82770052e/FLAGd2be9aafc [2018-10-23 22:29:23,052 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 22:29:23,055 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label54_false-unreach-call_false-termination.c [2018-10-23 22:29:23,083 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bc1934a33/999972a9af944620a35cd7d82770052e/FLAGd2be9aafc [2018-10-23 22:29:23,102 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bc1934a33/999972a9af944620a35cd7d82770052e [2018-10-23 22:29:23,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 22:29:23,115 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 22:29:23,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 22:29:23,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 22:29:23,119 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 22:29:23,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:29:23" (1/1) ... [2018-10-23 22:29:23,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387416d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23, skipping insertion in model container [2018-10-23 22:29:23,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 10:29:23" (1/1) ... [2018-10-23 22:29:23,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 22:29:23,203 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 22:29:23,749 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:29:23,756 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 22:29:23,957 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 22:29:23,995 INFO L193 MainTranslator]: Completed translation [2018-10-23 22:29:23,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23 WrapperNode [2018-10-23 22:29:23,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 22:29:23,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 22:29:23,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 22:29:23,997 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 22:29:24,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23" (1/1) ... [2018-10-23 22:29:24,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23" (1/1) ... [2018-10-23 22:29:24,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 22:29:24,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 22:29:24,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 22:29:24,255 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 22:29:24,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23" (1/1) ... [2018-10-23 22:29:24,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23" (1/1) ... [2018-10-23 22:29:24,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23" (1/1) ... [2018-10-23 22:29:24,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23" (1/1) ... [2018-10-23 22:29:24,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23" (1/1) ... [2018-10-23 22:29:24,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23" (1/1) ... [2018-10-23 22:29:24,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23" (1/1) ... [2018-10-23 22:29:24,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 22:29:24,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 22:29:24,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 22:29:24,366 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 22:29:24,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23" (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 [2018-10-23 22:29:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 22:29:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 22:29:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 22:29:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 22:29:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 22:29:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 22:29:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 22:29:24,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 22:29:27,977 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 22:29:27,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:29:27 BoogieIcfgContainer [2018-10-23 22:29:27,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 22:29:27,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 22:29:27,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 22:29:27,982 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 22:29:27,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 10:29:23" (1/3) ... [2018-10-23 22:29:27,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3118e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:29:27, skipping insertion in model container [2018-10-23 22:29:27,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 10:29:23" (2/3) ... [2018-10-23 22:29:27,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3118e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 10:29:27, skipping insertion in model container [2018-10-23 22:29:27,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 10:29:27" (3/3) ... [2018-10-23 22:29:27,987 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label54_false-unreach-call_false-termination.c [2018-10-23 22:29:27,998 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 22:29:28,008 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 22:29:28,026 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 22:29:28,065 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 22:29:28,066 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 22:29:28,066 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 22:29:28,066 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 22:29:28,066 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 22:29:28,066 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 22:29:28,067 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 22:29:28,067 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 22:29:28,094 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-10-23 22:29:28,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-23 22:29:28,101 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:29:28,102 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:29:28,104 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:29:28,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:29:28,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1737204119, now seen corresponding path program 1 times [2018-10-23 22:29:28,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:29:28,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:29:28,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:29:28,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:29:28,163 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:29:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:29:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:29:28,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:29:28,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 22:29:28,348 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:29:28,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 22:29:28,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 22:29:28,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 22:29:28,373 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-10-23 22:29:30,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:29:30,433 INFO L93 Difference]: Finished difference Result 707 states and 1242 transitions. [2018-10-23 22:29:30,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 22:29:30,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-10-23 22:29:30,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:29:30,455 INFO L225 Difference]: With dead ends: 707 [2018-10-23 22:29:30,456 INFO L226 Difference]: Without dead ends: 450 [2018-10-23 22:29:30,464 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 22:29:30,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2018-10-23 22:29:30,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2018-10-23 22:29:30,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-10-23 22:29:30,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 678 transitions. [2018-10-23 22:29:30,557 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 678 transitions. Word has length 13 [2018-10-23 22:29:30,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:29:30,557 INFO L481 AbstractCegarLoop]: Abstraction has 450 states and 678 transitions. [2018-10-23 22:29:30,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 22:29:30,558 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 678 transitions. [2018-10-23 22:29:30,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-23 22:29:30,564 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:29:30,565 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:29:30,567 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:29:30,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:29:30,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1515047808, now seen corresponding path program 1 times [2018-10-23 22:29:30,567 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:29:30,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:29:30,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:29:30,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:29:30,571 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:29:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:29:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:29:30,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 22:29:30,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 22:29:30,855 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:29:30,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 22:29:30,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 22:29:30,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 22:29:30,858 INFO L87 Difference]: Start difference. First operand 450 states and 678 transitions. Second operand 3 states. [2018-10-23 22:29:32,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:29:32,548 INFO L93 Difference]: Finished difference Result 1260 states and 1959 transitions. [2018-10-23 22:29:32,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 22:29:32,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-10-23 22:29:32,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:29:32,557 INFO L225 Difference]: With dead ends: 1260 [2018-10-23 22:29:32,557 INFO L226 Difference]: Without dead ends: 816 [2018-10-23 22:29:32,562 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 22:29:32,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2018-10-23 22:29:32,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 816. [2018-10-23 22:29:32,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-10-23 22:29:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1139 transitions. [2018-10-23 22:29:32,608 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1139 transitions. Word has length 97 [2018-10-23 22:29:32,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:29:32,609 INFO L481 AbstractCegarLoop]: Abstraction has 816 states and 1139 transitions. [2018-10-23 22:29:32,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 22:29:32,610 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1139 transitions. [2018-10-23 22:29:32,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-23 22:29:32,615 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:29:32,615 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:29:32,615 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:29:32,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:29:32,616 INFO L82 PathProgramCache]: Analyzing trace with hash -966929960, now seen corresponding path program 1 times [2018-10-23 22:29:32,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:29:32,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:29:32,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:29:32,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:29:32,618 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:29:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:29:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:29:32,986 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:29:32,987 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:29:32,988 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 110 with the following transitions: [2018-10-23 22:29:32,990 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [7], [10], [18], [26], [34], [42], [50], [58], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [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], [598], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-23 22:29:33,057 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:29:33,058 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:29:35,021 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 22:29:35,025 INFO L272 AbstractInterpreter]: Visited 100 different actions 100 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-23 22:29:35,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:29:35,048 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 22:29:36,140 INFO L232 lantSequenceWeakener]: Weakened 104 states. On average, predicates are now at 77.18% of their original sizes. [2018-10-23 22:29:36,140 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 22:29:36,367 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 22:29:36,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 22:29:36,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-23 22:29:36,368 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:29:36,369 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-23 22:29:36,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-23 22:29:36,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-23 22:29:36,370 INFO L87 Difference]: Start difference. First operand 816 states and 1139 transitions. Second operand 7 states. [2018-10-23 22:29:38,127 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-23 22:29:51,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 22:29:51,384 INFO L93 Difference]: Finished difference Result 1811 states and 2515 transitions. [2018-10-23 22:29:51,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 22:29:51,385 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 109 [2018-10-23 22:29:51,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 22:29:51,393 INFO L225 Difference]: With dead ends: 1811 [2018-10-23 22:29:51,393 INFO L226 Difference]: Without dead ends: 1001 [2018-10-23 22:29:51,396 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-10-23 22:29:51,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2018-10-23 22:29:51,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 999. [2018-10-23 22:29:51,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2018-10-23 22:29:51,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1330 transitions. [2018-10-23 22:29:51,442 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1330 transitions. Word has length 109 [2018-10-23 22:29:51,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 22:29:51,442 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1330 transitions. [2018-10-23 22:29:51,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-23 22:29:51,443 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1330 transitions. [2018-10-23 22:29:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-23 22:29:51,459 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 22:29:51,460 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 22:29:51,462 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 22:29:51,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:29:51,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1447044886, now seen corresponding path program 1 times [2018-10-23 22:29:51,463 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 22:29:51,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:29:51,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 22:29:51,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 22:29:51,466 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 22:29:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 22:29:52,008 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-23 22:29:52,430 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-10-23 22:29:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 22:29:52,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 22:29:52,648 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 22:29:52,648 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-10-23 22:29:52,649 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [7], [10], [18], [26], [34], [42], [50], [58], [66], [74], [82], [90], [98], [106], [114], [122], [130], [138], [146], [154], [162], [170], [178], [186], [194], [202], [210], [218], [226], [234], [242], [250], [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], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [598], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-23 22:29:52,654 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 22:29:52,654 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 22:29:56,918 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 22:29:56,918 INFO L272 AbstractInterpreter]: Visited 104 different actions 201 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-23 22:29:56,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 22:29:56,921 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 22:29:58,807 INFO L232 lantSequenceWeakener]: Weakened 57 states. On average, predicates are now at 77.73% of their original sizes. [2018-10-23 22:29:58,807 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 22:30:20,980 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 22:30:20,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 22:30:20,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [12] total 30 [2018-10-23 22:30:20,981 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 22:30:20,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-23 22:30:20,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-23 22:30:20,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2018-10-23 22:30:20,982 INFO L87 Difference]: Start difference. First operand 999 states and 1330 transitions. Second operand 20 states. [2018-10-23 22:31:37,390 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. Received shutdown request... [2018-10-23 22:33:29,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-23 22:33:29,563 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 22:33:29,569 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 22:33:29,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 10:33:29 BoogieIcfgContainer [2018-10-23 22:33:29,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 22:33:29,570 INFO L168 Benchmark]: Toolchain (without parser) took 246455.76 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 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 1.1 GB. Max. memory is 7.1 GB. [2018-10-23 22:33:29,571 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-10-23 22:33:29,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 880.38 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-10-23 22:33:29,572 INFO L168 Benchmark]: Boogie Procedure Inliner took 257.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -856.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2018-10-23 22:33:29,573 INFO L168 Benchmark]: Boogie Preprocessor took 110.91 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2018-10-23 22:33:29,574 INFO L168 Benchmark]: RCFGBuilder took 3612.21 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: 128.7 MB). Peak memory consumption was 128.7 MB. Max. memory is 7.1 GB. [2018-10-23 22:33:29,575 INFO L168 Benchmark]: TraceAbstraction took 241590.10 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -843.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-23 22:33:29,582 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 880.38 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 257.66 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 756.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -856.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.91 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3612.21 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: 128.7 MB). Peak memory consumption was 128.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 241590.10 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 2.9 GB in the end (delta: -843.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 22]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 22). Cancelled while BasicCegarLoop was constructing difference of abstraction (999states) and FLOYD_HOARE automaton (currently 23 states, 20 states before enhancement),while ReachableStatesComputation was computing reachable states (2689 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 241.5s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 207.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1078 SDtfs, 3469 SDslu, 623 SDs, 0 SdLazy, 4850 SolverSat, 580 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 84.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 318 GetRequests, 265 SyntacticMatches, 20 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 24.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=999occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9932952958736578 AbsIntWeakeningRatio, 0.15282392026578073 AbsIntAvgWeakeningVarsNumRemoved, 549.6976744186046 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 413 NumberOfCodeBlocks, 413 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 409 ConstructedInterpolants, 0 QuantifiedInterpolants, 870083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 101/109 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown