java -Xss4m -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label00_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-22 03:50:28,315 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-22 03:50:28,317 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-22 03:50:28,330 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-22 03:50:28,332 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-22 03:50:28,332 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-22 03:50:28,334 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-22 03:50:28,338 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-22 03:50:28,341 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-22 03:50:28,342 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-22 03:50:28,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-22 03:50:28,343 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-22 03:50:28,344 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-22 03:50:28,345 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-22 03:50:28,348 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-22 03:50:28,349 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-22 03:50:28,350 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-22 03:50:28,363 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-22 03:50:28,365 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-22 03:50:28,367 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-22 03:50:28,368 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-22 03:50:28,369 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-22 03:50:28,371 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-22 03:50:28,371 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-22 03:50:28,372 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-22 03:50:28,375 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-22 03:50:28,377 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-22 03:50:28,377 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-22 03:50:28,378 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-22 03:50:28,379 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-22 03:50:28,379 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-22 03:50:28,383 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-22 03:50:28,386 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-22 03:50:28,410 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-22 03:50:28,411 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-22 03:50:28,412 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-22 03:50:28,412 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-22 03:50:28,413 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-22 03:50:28,413 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-22 03:50:28,413 INFO L133 SettingsManager]: * Use SBE=true [2018-07-22 03:50:28,413 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-22 03:50:28,414 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-22 03:50:28,414 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-22 03:50:28,414 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-22 03:50:28,414 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-22 03:50:28,414 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-22 03:50:28,414 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-22 03:50:28,415 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-22 03:50:28,416 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-22 03:50:28,416 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-22 03:50:28,416 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-22 03:50:28,416 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-22 03:50:28,416 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-22 03:50:28,417 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-22 03:50:28,417 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-22 03:50:28,417 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-22 03:50:28,417 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-22 03:50:28,417 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-22 03:50:28,418 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-22 03:50:28,418 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-22 03:50:28,418 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-22 03:50:28,418 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-22 03:50:28,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-22 03:50:28,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-22 03:50:28,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-22 03:50:28,491 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-22 03:50:28,492 INFO L276 PluginConnector]: CDTParser initialized [2018-07-22 03:50:28,492 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label00_false-unreach-call.c [2018-07-22 03:50:28,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/907aceae6/8825b45b6b9e46d7a35ec3861922a2ad/FLAGacb6a298f [2018-07-22 03:50:29,204 INFO L276 CDTParser]: Found 1 translation units. [2018-07-22 03:50:29,205 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label00_false-unreach-call.c [2018-07-22 03:50:29,259 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/907aceae6/8825b45b6b9e46d7a35ec3861922a2ad/FLAGacb6a298f [2018-07-22 03:50:29,278 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/907aceae6/8825b45b6b9e46d7a35ec3861922a2ad [2018-07-22 03:50:29,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-22 03:50:29,300 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-22 03:50:29,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-22 03:50:29,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-22 03:50:29,309 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-22 03:50:29,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:50:29" (1/1) ... [2018-07-22 03:50:29,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df9384a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:29, skipping insertion in model container [2018-07-22 03:50:29,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 03:50:29" (1/1) ... [2018-07-22 03:50:29,582 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-22 03:50:30,165 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 03:50:30,187 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-22 03:50:30,735 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 03:50:30,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:30 WrapperNode [2018-07-22 03:50:30,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-22 03:50:30,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-22 03:50:30,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-22 03:50:30,825 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-22 03:50:30,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:30" (1/1) ... [2018-07-22 03:50:30,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:30" (1/1) ... [2018-07-22 03:50:31,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-22 03:50:31,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-22 03:50:31,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-22 03:50:31,029 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-22 03:50:31,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:30" (1/1) ... [2018-07-22 03:50:31,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:30" (1/1) ... [2018-07-22 03:50:31,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:30" (1/1) ... [2018-07-22 03:50:31,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:30" (1/1) ... [2018-07-22 03:50:31,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:30" (1/1) ... [2018-07-22 03:50:31,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:30" (1/1) ... [2018-07-22 03:50:31,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:30" (1/1) ... [2018-07-22 03:50:31,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-22 03:50:31,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-22 03:50:31,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-22 03:50:31,222 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-22 03:50:31,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:30" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-22 03:50:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-22 03:50:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-22 03:50:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-22 03:50:42,013 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-22 03:50:42,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:50:42 BoogieIcfgContainer [2018-07-22 03:50:42,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-22 03:50:42,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-22 03:50:42,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-22 03:50:42,018 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-22 03:50:42,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 03:50:29" (1/3) ... [2018-07-22 03:50:42,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76874916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 03:50:42, skipping insertion in model container [2018-07-22 03:50:42,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 03:50:30" (2/3) ... [2018-07-22 03:50:42,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76874916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 03:50:42, skipping insertion in model container [2018-07-22 03:50:42,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 03:50:42" (3/3) ... [2018-07-22 03:50:42,022 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label00_false-unreach-call.c [2018-07-22 03:50:42,032 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-22 03:50:42,040 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-22 03:50:42,096 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-22 03:50:42,097 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-22 03:50:42,097 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-22 03:50:42,097 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-22 03:50:42,097 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-22 03:50:42,097 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-22 03:50:42,098 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-22 03:50:42,098 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-22 03:50:42,098 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-22 03:50:42,124 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2018-07-22 03:50:42,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-22 03:50:42,134 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 03:50:42,135 INFO L358 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] [2018-07-22 03:50:42,136 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 03:50:42,142 INFO L82 PathProgramCache]: Analyzing trace with hash 682595178, now seen corresponding path program 1 times [2018-07-22 03:50:42,144 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 03:50:42,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 03:50:42,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 03:50:42,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 03:50:42,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 03:50:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 03:50:42,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 03:50:42,529 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 03:50:42,530 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 03:50:42,532 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 03:50:42,550 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 03:50:42,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 03:50:42,554 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 4 states. [2018-07-22 03:50:50,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 03:50:50,705 INFO L93 Difference]: Finished difference Result 1458 states and 2766 transitions. [2018-07-22 03:50:50,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 03:50:50,707 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-07-22 03:50:50,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 03:50:50,733 INFO L225 Difference]: With dead ends: 1458 [2018-07-22 03:50:50,734 INFO L226 Difference]: Without dead ends: 1054 [2018-07-22 03:50:50,744 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 03:50:50,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2018-07-22 03:50:50,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1054. [2018-07-22 03:50:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1054 states. [2018-07-22 03:50:50,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1744 transitions. [2018-07-22 03:50:50,856 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1744 transitions. Word has length 22 [2018-07-22 03:50:50,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 03:50:50,857 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1744 transitions. [2018-07-22 03:50:50,857 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 03:50:50,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1744 transitions. [2018-07-22 03:50:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-22 03:50:50,861 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 03:50:50,861 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 03:50:50,862 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 03:50:50,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1322096127, now seen corresponding path program 1 times [2018-07-22 03:50:50,862 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 03:50:50,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 03:50:50,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 03:50:50,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 03:50:50,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 03:50:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 03:50:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 03:50:51,121 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 03:50:51,121 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 03:50:51,123 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 03:50:51,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 03:50:51,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 03:50:51,124 INFO L87 Difference]: Start difference. First operand 1054 states and 1744 transitions. Second operand 4 states. [2018-07-22 03:50:56,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 03:50:56,992 INFO L93 Difference]: Finished difference Result 4102 states and 6863 transitions. [2018-07-22 03:50:56,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 03:50:56,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-07-22 03:50:56,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 03:50:57,010 INFO L225 Difference]: With dead ends: 4102 [2018-07-22 03:50:57,010 INFO L226 Difference]: Without dead ends: 3050 [2018-07-22 03:50:57,013 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 03:50:57,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3050 states. [2018-07-22 03:50:57,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3050 to 2044. [2018-07-22 03:50:57,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2044 states. [2018-07-22 03:50:57,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 2044 states and 3225 transitions. [2018-07-22 03:50:57,090 INFO L78 Accepts]: Start accepts. Automaton has 2044 states and 3225 transitions. Word has length 94 [2018-07-22 03:50:57,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 03:50:57,090 INFO L471 AbstractCegarLoop]: Abstraction has 2044 states and 3225 transitions. [2018-07-22 03:50:57,090 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 03:50:57,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 3225 transitions. [2018-07-22 03:50:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-22 03:50:57,099 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 03:50:57,099 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 03:50:57,099 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 03:50:57,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1503220041, now seen corresponding path program 1 times [2018-07-22 03:50:57,100 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 03:50:57,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 03:50:57,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 03:50:57,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 03:50:57,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 03:50:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 03:50:57,278 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 03:50:57,278 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 03:50:57,279 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 03:50:57,279 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 03:50:57,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 03:50:57,279 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 03:50:57,280 INFO L87 Difference]: Start difference. First operand 2044 states and 3225 transitions. Second operand 4 states. [2018-07-22 03:51:03,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 03:51:03,815 INFO L93 Difference]: Finished difference Result 5076 states and 7873 transitions. [2018-07-22 03:51:03,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 03:51:03,816 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-07-22 03:51:03,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 03:51:03,834 INFO L225 Difference]: With dead ends: 5076 [2018-07-22 03:51:03,834 INFO L226 Difference]: Without dead ends: 3034 [2018-07-22 03:51:03,838 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 03:51:03,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3034 states. [2018-07-22 03:51:03,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3034 to 3034. [2018-07-22 03:51:03,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3034 states. [2018-07-22 03:51:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 3034 states and 4326 transitions. [2018-07-22 03:51:03,929 INFO L78 Accepts]: Start accepts. Automaton has 3034 states and 4326 transitions. Word has length 98 [2018-07-22 03:51:03,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 03:51:03,930 INFO L471 AbstractCegarLoop]: Abstraction has 3034 states and 4326 transitions. [2018-07-22 03:51:03,930 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 03:51:03,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3034 states and 4326 transitions. [2018-07-22 03:51:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-22 03:51:03,935 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 03:51:03,935 INFO L358 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2018-07-22 03:51:03,935 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 03:51:03,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1510087897, now seen corresponding path program 1 times [2018-07-22 03:51:03,936 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 03:51:03,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 03:51:03,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 03:51:03,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 03:51:03,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 03:51:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 03:51:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 03:51:04,228 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 03:51:04,229 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-22 03:51:04,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 03:51:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 03:51:04,315 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 03:51:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 03:51:04,654 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 03:51:04,656 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-07-22 03:51:04,657 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-22 03:51:04,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-22 03:51:04,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-22 03:51:04,658 INFO L87 Difference]: Start difference. First operand 3034 states and 4326 transitions. Second operand 5 states. [2018-07-22 03:55:02,291 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:138) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:102) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.pop(ManagedScript.java:130) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPrecondition(IncrementalHoareTripleChecker.java:333) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:257) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:202) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:662) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.io.IOException: Stream closed at java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:433) at java.io.OutputStream.write(OutputStream.java:116) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297) at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141) at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229) at java.io.BufferedWriter.flush(BufferedWriter.java:254) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 28 more [2018-07-22 03:55:02,295 INFO L168 Benchmark]: Toolchain (without parser) took 273002.60 ms. Allocated memory was 307.2 MB in the beginning and 693.6 MB in the end (delta: 386.4 MB). Free memory was 247.9 MB in the beginning and 388.8 MB in the end (delta: -140.9 MB). Peak memory consumption was 245.5 MB. Max. memory is 5.3 GB. [2018-07-22 03:55:02,297 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-22 03:55:02,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1523.00 ms. Allocated memory was 307.2 MB in the beginning and 338.2 MB in the end (delta: 30.9 MB). Free memory was 247.9 MB in the beginning and 269.5 MB in the end (delta: -21.5 MB). Peak memory consumption was 73.8 MB. Max. memory is 5.3 GB. [2018-07-22 03:55:02,299 INFO L168 Benchmark]: Boogie Procedure Inliner took 203.51 ms. Allocated memory is still 338.2 MB. Free memory was 269.5 MB in the beginning and 243.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. [2018-07-22 03:55:02,299 INFO L168 Benchmark]: Boogie Preprocessor took 192.34 ms. Allocated memory is still 338.2 MB. Free memory was 243.5 MB in the beginning and 227.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 5.3 GB. [2018-07-22 03:55:02,300 INFO L168 Benchmark]: RCFGBuilder took 10792.22 ms. Allocated memory was 338.2 MB in the beginning and 550.5 MB in the end (delta: 212.3 MB). Free memory was 227.7 MB in the beginning and 414.0 MB in the end (delta: -186.3 MB). Peak memory consumption was 145.6 MB. Max. memory is 5.3 GB. [2018-07-22 03:55:02,301 INFO L168 Benchmark]: TraceAbstraction took 260279.41 ms. Allocated memory was 550.5 MB in the beginning and 693.6 MB in the end (delta: 143.1 MB). Free memory was 414.0 MB in the beginning and 388.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 168.4 MB. Max. memory is 5.3 GB. [2018-07-22 03:55:02,312 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 307.2 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 1523.00 ms. Allocated memory was 307.2 MB in the beginning and 338.2 MB in the end (delta: 30.9 MB). Free memory was 247.9 MB in the beginning and 269.5 MB in the end (delta: -21.5 MB). Peak memory consumption was 73.8 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 203.51 ms. Allocated memory is still 338.2 MB. Free memory was 269.5 MB in the beginning and 243.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 192.34 ms. Allocated memory is still 338.2 MB. Free memory was 243.5 MB in the beginning and 227.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 5.3 GB. * RCFGBuilder took 10792.22 ms. Allocated memory was 338.2 MB in the beginning and 550.5 MB in the end (delta: 212.3 MB). Free memory was 227.7 MB in the beginning and 414.0 MB in the end (delta: -186.3 MB). Peak memory consumption was 145.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 260279.41 ms. Allocated memory was 550.5 MB in the beginning and 693.6 MB in the end (delta: 143.1 MB). Free memory was 414.0 MB in the beginning and 388.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 168.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem16_label00_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-22_03-55-02-327.csv Received shutdown request...