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/Problem17_label20_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-22 04:22:32,258 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-22 04:22:32,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-22 04:22:32,279 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-22 04:22:32,280 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-22 04:22:32,281 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-22 04:22:32,282 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-22 04:22:32,286 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-22 04:22:32,289 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-22 04:22:32,290 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-22 04:22:32,291 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-22 04:22:32,291 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-22 04:22:32,292 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-22 04:22:32,295 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-22 04:22:32,296 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-22 04:22:32,297 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-22 04:22:32,309 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-22 04:22:32,311 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-22 04:22:32,312 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-22 04:22:32,314 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-22 04:22:32,315 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-22 04:22:32,316 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-22 04:22:32,322 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-22 04:22:32,333 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 04:22:32,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-22 04:22:32,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-22 04:22:32,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-22 04:22:32,347 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-22 04:22:32,348 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-22 04:22:32,348 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-22 04:22:32,348 INFO L133 SettingsManager]: * Use SBE=true [2018-07-22 04:22:32,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-22 04:22:32,354 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-22 04:22:32,354 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-22 04:22:32,354 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-22 04:22:32,354 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-22 04:22:32,354 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-22 04:22:32,355 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-22 04:22:32,355 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-22 04:22:32,355 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-22 04:22:32,355 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-22 04:22:32,355 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-22 04:22:32,355 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-22 04:22:32,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-22 04:22:32,356 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-22 04:22:32,356 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-22 04:22:32,356 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-22 04:22:32,356 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-22 04:22:32,357 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-22 04:22:32,357 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-22 04:22:32,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-22 04:22:32,357 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-22 04:22:32,357 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-22 04:22:32,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-22 04:22:32,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-22 04:22:32,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-22 04:22:32,425 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-22 04:22:32,426 INFO L276 PluginConnector]: CDTParser initialized [2018-07-22 04:22:32,426 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label20_false-unreach-call.c [2018-07-22 04:22:32,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/1b151fa6f/d4d08682991841dfa7f1aa34d4517d0b/FLAGa507de81d [2018-07-22 04:22:33,265 INFO L276 CDTParser]: Found 1 translation units. [2018-07-22 04:22:33,266 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label20_false-unreach-call.c [2018-07-22 04:22:33,357 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/1b151fa6f/d4d08682991841dfa7f1aa34d4517d0b/FLAGa507de81d [2018-07-22 04:22:33,572 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/1b151fa6f/d4d08682991841dfa7f1aa34d4517d0b [2018-07-22 04:22:33,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-22 04:22:33,588 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-22 04:22:33,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-22 04:22:33,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-22 04:22:33,596 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-22 04:22:33,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 04:22:33" (1/1) ... [2018-07-22 04:22:33,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37181870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:33, skipping insertion in model container [2018-07-22 04:22:33,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 04:22:33" (1/1) ... [2018-07-22 04:22:33,894 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-22 04:22:34,767 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 04:22:34,785 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-22 04:22:35,443 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 04:22:35,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:35 WrapperNode [2018-07-22 04:22:35,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-22 04:22:35,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-22 04:22:35,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-22 04:22:35,751 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-22 04:22:35,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:35" (1/1) ... [2018-07-22 04:22:35,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:35" (1/1) ... [2018-07-22 04:22:36,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-22 04:22:36,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-22 04:22:36,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-22 04:22:36,094 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-22 04:22:36,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:35" (1/1) ... [2018-07-22 04:22:36,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:35" (1/1) ... [2018-07-22 04:22:36,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:35" (1/1) ... [2018-07-22 04:22:36,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:35" (1/1) ... [2018-07-22 04:22:37,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:35" (1/1) ... [2018-07-22 04:22:37,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:35" (1/1) ... [2018-07-22 04:22:37,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:35" (1/1) ... [2018-07-22 04:22:37,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-22 04:22:37,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-22 04:22:37,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-22 04:22:37,150 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-22 04:22:37,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:35" (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 04:22:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-22 04:22:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-22 04:22:37,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-22 04:22:49,382 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-22 04:22:49,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 04:22:49 BoogieIcfgContainer [2018-07-22 04:22:49,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-22 04:22:49,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-22 04:22:49,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-22 04:22:49,387 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-22 04:22:49,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 04:22:33" (1/3) ... [2018-07-22 04:22:49,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b85c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 04:22:49, skipping insertion in model container [2018-07-22 04:22:49,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:22:35" (2/3) ... [2018-07-22 04:22:49,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b85c35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 04:22:49, skipping insertion in model container [2018-07-22 04:22:49,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 04:22:49" (3/3) ... [2018-07-22 04:22:49,391 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label20_false-unreach-call.c [2018-07-22 04:22:49,401 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-22 04:22:49,409 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-22 04:22:49,479 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-22 04:22:49,480 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-22 04:22:49,480 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-22 04:22:49,480 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-22 04:22:49,481 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-22 04:22:49,481 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-22 04:22:49,481 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-22 04:22:49,481 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-22 04:22:49,481 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-22 04:22:49,522 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2018-07-22 04:22:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-07-22 04:22:49,529 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 04:22:49,530 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, 1, 1, 1, 1, 1] [2018-07-22 04:22:49,530 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 04:22:49,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1740446778, now seen corresponding path program 1 times [2018-07-22 04:22:49,535 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 04:22:49,536 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 04:22:49,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:22:49,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 04:22:49,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:22:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 04:22:49,951 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 04:22:49,953 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 04:22:49,954 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 04:22:49,956 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 04:22:49,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 04:22:49,968 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 04:22:49,969 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 4 states. [2018-07-22 04:22:58,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 04:22:58,235 INFO L93 Difference]: Finished difference Result 2093 states and 3901 transitions. [2018-07-22 04:22:58,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 04:22:58,237 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-07-22 04:22:58,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 04:22:58,272 INFO L225 Difference]: With dead ends: 2093 [2018-07-22 04:22:58,272 INFO L226 Difference]: Without dead ends: 1495 [2018-07-22 04:22:58,279 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 04:22:58,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2018-07-22 04:22:58,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1488. [2018-07-22 04:22:58,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1488 states. [2018-07-22 04:22:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 2247 transitions. [2018-07-22 04:22:58,446 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 2247 transitions. Word has length 27 [2018-07-22 04:22:58,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 04:22:58,447 INFO L471 AbstractCegarLoop]: Abstraction has 1488 states and 2247 transitions. [2018-07-22 04:22:58,447 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 04:22:58,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2247 transitions. [2018-07-22 04:22:58,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-22 04:22:58,451 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 04:22:58,452 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:22:58,452 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 04:22:58,453 INFO L82 PathProgramCache]: Analyzing trace with hash 856980078, now seen corresponding path program 1 times [2018-07-22 04:22:58,453 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 04:22:58,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 04:22:58,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:22:58,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 04:22:58,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:22:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 04:22:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 04:22:59,039 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 04:22:59,039 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 04:22:59,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 04:22:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 04:22:59,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 04:22:59,435 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 04:22:59,471 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 04:22:59,471 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-07-22 04:22:59,472 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-22 04:22:59,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-22 04:22:59,473 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-22 04:22:59,473 INFO L87 Difference]: Start difference. First operand 1488 states and 2247 transitions. Second operand 6 states. [2018-07-22 04:23:13,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 04:23:13,860 INFO L93 Difference]: Finished difference Result 5226 states and 8322 transitions. [2018-07-22 04:23:13,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-22 04:23:13,860 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-07-22 04:23:13,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 04:23:13,881 INFO L225 Difference]: With dead ends: 5226 [2018-07-22 04:23:13,882 INFO L226 Difference]: Without dead ends: 3740 [2018-07-22 04:23:13,886 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-07-22 04:23:13,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2018-07-22 04:23:13,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3282. [2018-07-22 04:23:13,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3282 states. [2018-07-22 04:23:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 4886 transitions. [2018-07-22 04:23:13,986 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 4886 transitions. Word has length 98 [2018-07-22 04:23:13,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 04:23:13,986 INFO L471 AbstractCegarLoop]: Abstraction has 3282 states and 4886 transitions. [2018-07-22 04:23:13,986 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-22 04:23:13,987 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 4886 transitions. [2018-07-22 04:23:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-22 04:23:13,993 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 04:23:13,993 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:23:13,998 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 04:23:13,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1103216971, now seen corresponding path program 1 times [2018-07-22 04:23:13,999 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 04:23:13,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 04:23:14,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:23:14,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 04:23:14,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:23:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 04:23:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 04:23:14,207 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 04:23:14,207 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 04:23:14,207 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 04:23:14,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 04:23:14,208 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 04:23:14,208 INFO L87 Difference]: Start difference. First operand 3282 states and 4886 transitions. Second operand 4 states. [2018-07-22 04:23:19,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 04:23:19,892 INFO L93 Difference]: Finished difference Result 11687 states and 17801 transitions. [2018-07-22 04:23:19,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 04:23:19,898 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2018-07-22 04:23:19,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 04:23:19,941 INFO L225 Difference]: With dead ends: 11687 [2018-07-22 04:23:19,942 INFO L226 Difference]: Without dead ends: 8407 [2018-07-22 04:23:19,949 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 04:23:19,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8407 states. [2018-07-22 04:23:20,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8407 to 8393. [2018-07-22 04:23:20,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8393 states. [2018-07-22 04:23:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8393 states to 8393 states and 11097 transitions. [2018-07-22 04:23:20,241 INFO L78 Accepts]: Start accepts. Automaton has 8393 states and 11097 transitions. Word has length 120 [2018-07-22 04:23:20,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 04:23:20,243 INFO L471 AbstractCegarLoop]: Abstraction has 8393 states and 11097 transitions. [2018-07-22 04:23:20,243 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 04:23:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 8393 states and 11097 transitions. [2018-07-22 04:23:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-22 04:23:20,255 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 04:23:20,255 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-07-22 04:23:20,256 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 04:23:20,256 INFO L82 PathProgramCache]: Analyzing trace with hash 484808976, now seen corresponding path program 1 times [2018-07-22 04:23:20,256 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 04:23:20,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 04:23:20,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:23:20,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 04:23:20,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:23:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 04:23:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-07-22 04:23:20,639 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 04:23:20,639 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-22 04:23:20,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 04:23:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 04:23:20,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 04:23:20,860 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-07-22 04:23:20,893 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 04:23:20,893 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2018-07-22 04:23:20,894 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-22 04:23:20,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-22 04:23:20,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-22 04:23:20,894 INFO L87 Difference]: Start difference. First operand 8393 states and 11097 transitions. Second operand 5 states. [2018-07-22 04:23:28,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 04:23:28,608 INFO L93 Difference]: Finished difference Result 35970 states and 50174 transitions. [2018-07-22 04:23:28,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-22 04:23:28,612 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2018-07-22 04:23:28,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 04:23:28,685 INFO L225 Difference]: With dead ends: 35970 [2018-07-22 04:23:28,685 INFO L226 Difference]: Without dead ends: 24121 [2018-07-22 04:23:28,703 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-07-22 04:23:28,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24121 states. [2018-07-22 04:23:29,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24121 to 24118. [2018-07-22 04:23:29,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24118 states. [2018-07-22 04:23:29,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24118 states to 24118 states and 27322 transitions. [2018-07-22 04:23:29,202 INFO L78 Accepts]: Start accepts. Automaton has 24118 states and 27322 transitions. Word has length 164 [2018-07-22 04:23:29,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 04:23:29,202 INFO L471 AbstractCegarLoop]: Abstraction has 24118 states and 27322 transitions. [2018-07-22 04:23:29,202 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-22 04:23:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 24118 states and 27322 transitions. [2018-07-22 04:23:29,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-07-22 04:23:29,207 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 04:23:29,208 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:23:29,208 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 04:23:29,208 INFO L82 PathProgramCache]: Analyzing trace with hash 532871763, now seen corresponding path program 1 times [2018-07-22 04:23:29,208 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 04:23:29,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 04:23:29,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:23:29,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 04:23:29,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:23:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 04:23:29,636 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 107 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 04:23:29,637 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 04:23:29,637 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-22 04:23:29,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 04:23:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 04:23:29,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 04:23:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-07-22 04:23:30,001 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 04:23:30,001 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-07-22 04:23:30,001 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-22 04:23:30,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-22 04:23:30,002 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-07-22 04:23:30,002 INFO L87 Difference]: Start difference. First operand 24118 states and 27322 transitions. Second operand 8 states. [2018-07-22 04:23:37,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 04:23:37,341 INFO L93 Difference]: Finished difference Result 47896 states and 54324 transitions. [2018-07-22 04:23:37,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-22 04:23:37,342 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 260 [2018-07-22 04:23:37,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 04:23:37,378 INFO L225 Difference]: With dead ends: 47896 [2018-07-22 04:23:37,378 INFO L226 Difference]: Without dead ends: 24207 [2018-07-22 04:23:37,406 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 261 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-07-22 04:23:37,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24207 states. [2018-07-22 04:23:37,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24207 to 23684. [2018-07-22 04:23:37,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23684 states. [2018-07-22 04:23:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23684 states to 23684 states and 26436 transitions. [2018-07-22 04:23:37,787 INFO L78 Accepts]: Start accepts. Automaton has 23684 states and 26436 transitions. Word has length 260 [2018-07-22 04:23:37,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 04:23:37,788 INFO L471 AbstractCegarLoop]: Abstraction has 23684 states and 26436 transitions. [2018-07-22 04:23:37,788 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-22 04:23:37,788 INFO L276 IsEmpty]: Start isEmpty. Operand 23684 states and 26436 transitions. [2018-07-22 04:23:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2018-07-22 04:23:37,814 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 04:23:37,815 INFO L358 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:23:37,815 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 04:23:37,815 INFO L82 PathProgramCache]: Analyzing trace with hash -570165728, now seen corresponding path program 1 times [2018-07-22 04:23:37,815 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 04:23:37,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 04:23:37,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:23:37,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 04:23:37,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:23:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 04:23:38,566 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-07-22 04:23:38,884 WARN L169 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2018-07-22 04:23:39,467 WARN L169 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2018-07-22 04:23:40,034 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 258 proven. 83 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-07-22 04:23:40,034 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 04:23:40,034 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-22 04:23:40,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 04:23:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 04:23:40,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 04:23:40,935 WARN L169 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 30 [2018-07-22 04:23:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 74 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 04:23:43,555 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-22 04:23:43,555 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2018-07-22 04:23:43,556 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-22 04:23:43,557 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-22 04:23:43,557 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-07-22 04:23:43,557 INFO L87 Difference]: Start difference. First operand 23684 states and 26436 transitions. Second operand 13 states. [2018-07-22 04:24:09,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 04:24:09,443 INFO L93 Difference]: Finished difference Result 59398 states and 65539 transitions. [2018-07-22 04:24:09,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-22 04:24:09,444 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 541 [2018-07-22 04:24:09,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 04:24:09,510 INFO L225 Difference]: With dead ends: 59398 [2018-07-22 04:24:09,510 INFO L226 Difference]: Without dead ends: 35716 [2018-07-22 04:24:09,535 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 559 GetRequests, 537 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2018-07-22 04:24:09,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35716 states. [2018-07-22 04:24:09,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35716 to 28795. [2018-07-22 04:24:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28795 states. [2018-07-22 04:24:09,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28795 states to 28795 states and 31676 transitions. [2018-07-22 04:24:09,944 INFO L78 Accepts]: Start accepts. Automaton has 28795 states and 31676 transitions. Word has length 541 [2018-07-22 04:24:09,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 04:24:09,946 INFO L471 AbstractCegarLoop]: Abstraction has 28795 states and 31676 transitions. [2018-07-22 04:24:09,946 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-22 04:24:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 28795 states and 31676 transitions. [2018-07-22 04:24:09,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2018-07-22 04:24:09,977 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 04:24:09,978 INFO L358 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:24:09,978 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 04:24:09,978 INFO L82 PathProgramCache]: Analyzing trace with hash 746322160, now seen corresponding path program 1 times [2018-07-22 04:24:09,978 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 04:24:09,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 04:24:09,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:24:09,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 04:24:09,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 04:24:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 04:24:11,539 WARN L169 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 6 [2018-07-22 04:24:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 104 proven. 508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 04:24:11,928 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 04:24:11,928 INFO L219 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-22 04:24:11,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 04:24:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 04:24:12,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 04:25:18,720 WARN L169 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 873 DAG size of output: 88 [2018-07-22 04:26:19,242 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 431 proven. 99 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-07-22 04:26:19,262 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-22 04:26:19,262 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2018-07-22 04:26:19,263 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-22 04:26:19,263 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-22 04:26:19,263 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2018-07-22 04:26:19,263 INFO L87 Difference]: Start difference. First operand 28795 states and 31676 transitions. Second operand 10 states. [2018-07-22 04:26:26,797 WARN L169 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 92 DAG size of output: 45 Received shutdown request... [2018-07-22 04:26:45,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-22 04:26:45,303 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-22 04:26:45,308 WARN L202 ceAbstractionStarter]: Timeout [2018-07-22 04:26:45,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 04:26:45 BoogieIcfgContainer [2018-07-22 04:26:45,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-22 04:26:45,310 INFO L168 Benchmark]: Toolchain (without parser) took 251726.67 ms. Allocated memory was 308.3 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 247.2 MB in the beginning and 794.3 MB in the end (delta: -547.0 MB). Peak memory consumption was 958.7 MB. Max. memory is 5.3 GB. [2018-07-22 04:26:45,312 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 308.3 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-22 04:26:45,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2157.60 ms. Allocated memory was 308.3 MB in the beginning and 404.2 MB in the end (delta: 95.9 MB). Free memory was 245.2 MB in the beginning and 338.2 MB in the end (delta: -93.0 MB). Peak memory consumption was 126.2 MB. Max. memory is 5.3 GB. [2018-07-22 04:26:45,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 343.54 ms. Allocated memory is still 404.2 MB. Free memory was 338.2 MB in the beginning and 272.1 MB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 5.3 GB. [2018-07-22 04:26:45,313 INFO L168 Benchmark]: Boogie Preprocessor took 1054.87 ms. Allocated memory was 404.2 MB in the beginning and 584.1 MB in the end (delta: 179.8 MB). Free memory was 272.1 MB in the beginning and 474.2 MB in the end (delta: -202.2 MB). Peak memory consumption was 44.7 MB. Max. memory is 5.3 GB. [2018-07-22 04:26:45,314 INFO L168 Benchmark]: RCFGBuilder took 12233.70 ms. Allocated memory was 584.1 MB in the beginning and 701.0 MB in the end (delta: 116.9 MB). Free memory was 474.2 MB in the beginning and 459.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 202.9 MB. Max. memory is 5.3 GB. [2018-07-22 04:26:45,315 INFO L168 Benchmark]: TraceAbstraction took 235925.05 ms. Allocated memory was 701.0 MB in the beginning and 1.8 GB in the end (delta: 1.1 GB). Free memory was 459.5 MB in the beginning and 794.3 MB in the end (delta: -334.7 MB). Peak memory consumption was 778.3 MB. Max. memory is 5.3 GB. [2018-07-22 04:26:45,321 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 308.3 MB. Free memory is still 272.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 2157.60 ms. Allocated memory was 308.3 MB in the beginning and 404.2 MB in the end (delta: 95.9 MB). Free memory was 245.2 MB in the beginning and 338.2 MB in the end (delta: -93.0 MB). Peak memory consumption was 126.2 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 343.54 ms. Allocated memory is still 404.2 MB. Free memory was 338.2 MB in the beginning and 272.1 MB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 1054.87 ms. Allocated memory was 404.2 MB in the beginning and 584.1 MB in the end (delta: 179.8 MB). Free memory was 272.1 MB in the beginning and 474.2 MB in the end (delta: -202.2 MB). Peak memory consumption was 44.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 12233.70 ms. Allocated memory was 584.1 MB in the beginning and 701.0 MB in the end (delta: 116.9 MB). Free memory was 474.2 MB in the beginning and 459.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 202.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 235925.05 ms. Allocated memory was 701.0 MB in the beginning and 1.8 GB in the end (delta: 1.1 GB). Free memory was 459.5 MB in the beginning and 794.3 MB in the end (delta: -334.7 MB). Peak memory consumption was 778.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 86). Cancelled while BasicCegarLoop was constructing difference of abstraction (28795states) and interpolant automaton (currently 14 states, 10 states before enhancement), while ReachableStatesComputation was computing reachable states (4387 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 591 locations, 1 error locations. TIMEOUT Result, 235.8s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 95.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2589 SDtfs, 15981 SDslu, 2565 SDs, 0 SdLazy, 43617 SolverSat, 5956 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 82.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1723 GetRequests, 1361 SyntacticMatches, 307 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 130.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28795occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 7926 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 135.6s InterpolantComputationTime, 3467 NumberOfCodeBlocks, 3467 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3455 ConstructedInterpolants, 606 QuantifiedInterpolants, 76096640 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2171 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 1488/2520 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem17_label20_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-22_04-26-45-337.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem17_label20_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-22_04-26-45-337.csv Completed graceful shutdown