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/Problem19_label53_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-22 05:43:35,511 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-22 05:43:35,513 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-22 05:43:35,526 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-22 05:43:35,527 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-22 05:43:35,528 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-22 05:43:35,529 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-22 05:43:35,531 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-22 05:43:35,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-22 05:43:35,533 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-22 05:43:35,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-22 05:43:35,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-22 05:43:35,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-22 05:43:35,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-22 05:43:35,538 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-22 05:43:35,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-22 05:43:35,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-22 05:43:35,541 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-22 05:43:35,543 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-22 05:43:35,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-22 05:43:35,546 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-22 05:43:35,547 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-22 05:43:35,550 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-22 05:43:35,550 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-22 05:43:35,551 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-22 05:43:35,552 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-22 05:43:35,553 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-22 05:43:35,554 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-22 05:43:35,555 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-22 05:43:35,556 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-22 05:43:35,556 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-22 05:43:35,557 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-22 05:43:35,560 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 05:43:35,578 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-22 05:43:35,578 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-22 05:43:35,579 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-22 05:43:35,579 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-22 05:43:35,585 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-22 05:43:35,585 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-22 05:43:35,585 INFO L133 SettingsManager]: * Use SBE=true [2018-07-22 05:43:35,585 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-22 05:43:35,586 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-22 05:43:35,586 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-22 05:43:35,586 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-22 05:43:35,586 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-22 05:43:35,587 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-22 05:43:35,587 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-22 05:43:35,587 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-22 05:43:35,587 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-22 05:43:35,588 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-22 05:43:35,588 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-22 05:43:35,588 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-22 05:43:35,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-22 05:43:35,588 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-22 05:43:35,589 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-22 05:43:35,589 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-22 05:43:35,589 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-22 05:43:35,589 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-22 05:43:35,590 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-22 05:43:35,590 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-22 05:43:35,590 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-22 05:43:35,590 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-22 05:43:35,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-22 05:43:35,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-22 05:43:35,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-22 05:43:35,674 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-22 05:43:35,675 INFO L276 PluginConnector]: CDTParser initialized [2018-07-22 05:43:35,675 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label53_false-unreach-call.c [2018-07-22 05:43:36,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/5368de88d/786a42734d6946019cca472726334342/FLAGab1d4bdd2 [2018-07-22 05:43:36,919 INFO L276 CDTParser]: Found 1 translation units. [2018-07-22 05:43:36,920 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label53_false-unreach-call.c [2018-07-22 05:43:37,083 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/5368de88d/786a42734d6946019cca472726334342/FLAGab1d4bdd2 [2018-07-22 05:43:37,179 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/5368de88d/786a42734d6946019cca472726334342 [2018-07-22 05:43:37,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-22 05:43:38,998 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-22 05:43:39,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-22 05:43:39,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-22 05:43:39,074 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-22 05:43:39,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:43:37" (1/1) ... [2018-07-22 05:43:39,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74bbf061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:39, skipping insertion in model container [2018-07-22 05:43:39,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:43:37" (1/1) ... [2018-07-22 05:43:39,872 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-22 05:43:41,864 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 05:43:41,888 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-22 05:43:43,317 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-22 05:43:44,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:44 WrapperNode [2018-07-22 05:43:44,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-22 05:43:44,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-22 05:43:44,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-22 05:43:44,007 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-22 05:43:44,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:44" (1/1) ... [2018-07-22 05:43:44,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:44" (1/1) ... [2018-07-22 05:43:44,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-22 05:43:44,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-22 05:43:44,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-22 05:43:44,987 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-22 05:43:44,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:44" (1/1) ... [2018-07-22 05:43:44,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:44" (1/1) ... [2018-07-22 05:43:45,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:44" (1/1) ... [2018-07-22 05:43:45,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:44" (1/1) ... [2018-07-22 05:43:47,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:44" (1/1) ... [2018-07-22 05:43:47,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:44" (1/1) ... [2018-07-22 05:43:47,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:44" (1/1) ... [2018-07-22 05:43:47,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-22 05:43:47,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-22 05:43:47,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-22 05:43:47,877 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-22 05:43:47,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:44" (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 05:43:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-22 05:43:48,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-22 05:43:48,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-22 05:44:04,927 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-22 05:44:04,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:44:04 BoogieIcfgContainer [2018-07-22 05:44:04,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-22 05:44:04,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-22 05:44:04,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-22 05:44:04,932 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-22 05:44:04,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:43:37" (1/3) ... [2018-07-22 05:44:04,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48423b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:44:04, skipping insertion in model container [2018-07-22 05:44:04,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:43:44" (2/3) ... [2018-07-22 05:44:04,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48423b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:44:04, skipping insertion in model container [2018-07-22 05:44:04,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:44:04" (3/3) ... [2018-07-22 05:44:04,935 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label53_false-unreach-call.c [2018-07-22 05:44:04,944 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-22 05:44:04,983 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-22 05:44:05,333 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-22 05:44:05,334 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-22 05:44:05,334 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-22 05:44:05,334 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-22 05:44:05,335 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-22 05:44:05,335 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-22 05:44:05,335 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-22 05:44:05,335 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-22 05:44:05,335 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-22 05:44:05,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-07-22 05:44:05,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-22 05:44:05,516 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:44:05,517 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-22 05:44:05,517 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:44:05,521 INFO L82 PathProgramCache]: Analyzing trace with hash -643220670, now seen corresponding path program 1 times [2018-07-22 05:44:05,523 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:44:05,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:44:05,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:44:05,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:44:05,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:44:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:44:06,088 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 05:44:06,091 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:44:06,138 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:44:06,140 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:44:06,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:44:06,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:44:06,241 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-07-22 05:44:25,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:44:25,366 INFO L93 Difference]: Finished difference Result 6322 states and 12078 transitions. [2018-07-22 05:44:25,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:44:25,368 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-07-22 05:44:25,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:44:25,432 INFO L225 Difference]: With dead ends: 6322 [2018-07-22 05:44:25,432 INFO L226 Difference]: Without dead ends: 4566 [2018-07-22 05:44:25,443 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 05:44:25,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4566 states. [2018-07-22 05:44:25,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4566 to 4562. [2018-07-22 05:44:25,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4562 states. [2018-07-22 05:44:25,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 4562 states and 7763 transitions. [2018-07-22 05:44:25,763 INFO L78 Accepts]: Start accepts. Automaton has 4562 states and 7763 transitions. Word has length 12 [2018-07-22 05:44:25,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:44:25,763 INFO L471 AbstractCegarLoop]: Abstraction has 4562 states and 7763 transitions. [2018-07-22 05:44:25,763 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:44:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 4562 states and 7763 transitions. [2018-07-22 05:44:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-22 05:44:25,767 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:44:25,767 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 05:44:25,767 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:44:25,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1772649754, now seen corresponding path program 1 times [2018-07-22 05:44:25,768 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:44:25,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:44:25,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:44:25,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:44:25,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:44:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:44:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:44:26,179 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:44:26,180 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:44:26,181 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:44:26,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:44:26,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:44:26,182 INFO L87 Difference]: Start difference. First operand 4562 states and 7763 transitions. Second operand 4 states. [2018-07-22 05:44:46,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:44:46,136 INFO L93 Difference]: Finished difference Result 17536 states and 30099 transitions. [2018-07-22 05:44:46,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:44:46,138 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2018-07-22 05:44:46,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:44:46,205 INFO L225 Difference]: With dead ends: 17536 [2018-07-22 05:44:46,206 INFO L226 Difference]: Without dead ends: 12976 [2018-07-22 05:44:46,213 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 05:44:46,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12976 states. [2018-07-22 05:44:46,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12976 to 8660. [2018-07-22 05:44:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8660 states. [2018-07-22 05:44:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8660 states to 8660 states and 14380 transitions. [2018-07-22 05:44:46,443 INFO L78 Accepts]: Start accepts. Automaton has 8660 states and 14380 transitions. Word has length 82 [2018-07-22 05:44:46,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:44:46,444 INFO L471 AbstractCegarLoop]: Abstraction has 8660 states and 14380 transitions. [2018-07-22 05:44:46,444 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:44:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 8660 states and 14380 transitions. [2018-07-22 05:44:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-22 05:44:46,450 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:44:46,451 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 05:44:46,451 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:44:46,451 INFO L82 PathProgramCache]: Analyzing trace with hash -992094355, now seen corresponding path program 1 times [2018-07-22 05:44:46,451 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:44:46,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:44:46,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:44:46,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:44:46,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:44:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:44:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:44:46,876 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:44:46,876 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:44:46,876 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:44:46,877 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:44:46,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:44:46,877 INFO L87 Difference]: Start difference. First operand 8660 states and 14380 transitions. Second operand 4 states. [2018-07-22 05:44:58,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:44:58,668 INFO L93 Difference]: Finished difference Result 33813 states and 56473 transitions. [2018-07-22 05:44:58,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:44:58,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-07-22 05:44:58,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:44:58,762 INFO L225 Difference]: With dead ends: 33813 [2018-07-22 05:44:58,763 INFO L226 Difference]: Without dead ends: 25155 [2018-07-22 05:44:58,778 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 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 05:44:58,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25155 states. [2018-07-22 05:44:59,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25155 to 16865. [2018-07-22 05:44:59,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16865 states. [2018-07-22 05:44:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16865 states to 16865 states and 24314 transitions. [2018-07-22 05:44:59,172 INFO L78 Accepts]: Start accepts. Automaton has 16865 states and 24314 transitions. Word has length 104 [2018-07-22 05:44:59,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:44:59,175 INFO L471 AbstractCegarLoop]: Abstraction has 16865 states and 24314 transitions. [2018-07-22 05:44:59,176 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:44:59,176 INFO L276 IsEmpty]: Start isEmpty. Operand 16865 states and 24314 transitions. [2018-07-22 05:44:59,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-22 05:44:59,178 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:44:59,178 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 05:44:59,178 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:44:59,178 INFO L82 PathProgramCache]: Analyzing trace with hash -196750943, now seen corresponding path program 1 times [2018-07-22 05:44:59,179 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:44:59,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:44:59,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:44:59,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:44:59,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:44:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:44:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:44:59,576 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:44:59,576 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:44:59,576 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:44:59,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:44:59,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:44:59,577 INFO L87 Difference]: Start difference. First operand 16865 states and 24314 transitions. Second operand 4 states. [2018-07-22 05:45:10,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:45:10,462 INFO L93 Difference]: Finished difference Result 39203 states and 55530 transitions. [2018-07-22 05:45:10,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:45:10,463 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2018-07-22 05:45:10,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:45:10,511 INFO L225 Difference]: With dead ends: 39203 [2018-07-22 05:45:10,511 INFO L226 Difference]: Without dead ends: 22340 [2018-07-22 05:45:10,529 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 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 05:45:10,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22340 states. [2018-07-22 05:45:10,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22340 to 22335. [2018-07-22 05:45:10,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22335 states. [2018-07-22 05:45:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22335 states to 22335 states and 29271 transitions. [2018-07-22 05:45:10,893 INFO L78 Accepts]: Start accepts. Automaton has 22335 states and 29271 transitions. Word has length 113 [2018-07-22 05:45:10,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:45:10,893 INFO L471 AbstractCegarLoop]: Abstraction has 22335 states and 29271 transitions. [2018-07-22 05:45:10,893 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:45:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 22335 states and 29271 transitions. [2018-07-22 05:45:10,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-07-22 05:45:10,897 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:45:10,897 INFO L358 BasicCegarLoop]: trace histogram [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] [2018-07-22 05:45:10,897 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:45:10,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1183192199, now seen corresponding path program 1 times [2018-07-22 05:45:10,898 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:45:10,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:45:10,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:45:10,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:45:10,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:45:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:45:11,248 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-07-22 05:45:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-22 05:45:11,274 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:45:11,274 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:45:11,274 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:45:11,274 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:45:11,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:45:11,277 INFO L87 Difference]: Start difference. First operand 22335 states and 29271 transitions. Second operand 4 states. [2018-07-22 05:45:24,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:45:24,034 INFO L93 Difference]: Finished difference Result 85917 states and 113206 transitions. [2018-07-22 05:45:24,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:45:24,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2018-07-22 05:45:24,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:45:24,153 INFO L225 Difference]: With dead ends: 85917 [2018-07-22 05:45:24,153 INFO L226 Difference]: Without dead ends: 63584 [2018-07-22 05:45:24,178 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 05:45:24,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63584 states. [2018-07-22 05:45:24,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63584 to 63572. [2018-07-22 05:45:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63572 states. [2018-07-22 05:45:24,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63572 states to 63572 states and 75533 transitions. [2018-07-22 05:45:24,965 INFO L78 Accepts]: Start accepts. Automaton has 63572 states and 75533 transitions. Word has length 129 [2018-07-22 05:45:24,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:45:24,965 INFO L471 AbstractCegarLoop]: Abstraction has 63572 states and 75533 transitions. [2018-07-22 05:45:24,965 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:45:24,966 INFO L276 IsEmpty]: Start isEmpty. Operand 63572 states and 75533 transitions. [2018-07-22 05:45:24,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2018-07-22 05:45:24,999 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:45:25,000 INFO L358 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:45:25,001 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:45:25,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1168999230, now seen corresponding path program 1 times [2018-07-22 05:45:25,001 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:45:25,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:45:25,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:45:25,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:45:25,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:45:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:45:26,311 WARN L169 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-07-22 05:45:27,075 WARN L169 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2018-07-22 05:45:27,669 WARN L169 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2018-07-22 05:45:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-07-22 05:45:28,905 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:45:28,905 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-07-22 05:45:28,906 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-22 05:45:28,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-22 05:45:28,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-07-22 05:45:28,907 INFO L87 Difference]: Start difference. First operand 63572 states and 75533 transitions. Second operand 8 states. [2018-07-22 05:45:52,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:45:52,651 INFO L93 Difference]: Finished difference Result 176091 states and 209523 transitions. [2018-07-22 05:45:52,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-22 05:45:52,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 815 [2018-07-22 05:45:52,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:45:52,760 INFO L225 Difference]: With dead ends: 176091 [2018-07-22 05:45:52,761 INFO L226 Difference]: Without dead ends: 112521 [2018-07-22 05:45:52,795 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2018-07-22 05:45:52,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112521 states. [2018-07-22 05:45:53,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112521 to 64938. [2018-07-22 05:45:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64938 states. [2018-07-22 05:45:53,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64938 states to 64938 states and 76905 transitions. [2018-07-22 05:45:53,926 INFO L78 Accepts]: Start accepts. Automaton has 64938 states and 76905 transitions. Word has length 815 [2018-07-22 05:45:53,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:45:53,929 INFO L471 AbstractCegarLoop]: Abstraction has 64938 states and 76905 transitions. [2018-07-22 05:45:53,929 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-22 05:45:53,929 INFO L276 IsEmpty]: Start isEmpty. Operand 64938 states and 76905 transitions. [2018-07-22 05:45:53,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2018-07-22 05:45:53,943 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:45:53,944 INFO L358 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:45:53,944 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:45:53,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1412584670, now seen corresponding path program 1 times [2018-07-22 05:45:53,945 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:45:53,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:45:53,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:45:53,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:45:53,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:45:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:45:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2018-07-22 05:45:55,569 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:45:55,569 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-22 05:45:55,570 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-22 05:45:55,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-22 05:45:55,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-22 05:45:55,571 INFO L87 Difference]: Start difference. First operand 64938 states and 76905 transitions. Second operand 4 states. [2018-07-22 05:46:09,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:46:09,099 INFO L93 Difference]: Finished difference Result 128509 states and 152439 transitions. [2018-07-22 05:46:09,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-22 05:46:09,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 900 [2018-07-22 05:46:09,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:46:09,157 INFO L225 Difference]: With dead ends: 128509 [2018-07-22 05:46:09,157 INFO L226 Difference]: Without dead ends: 64939 [2018-07-22 05:46:09,187 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 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 05:46:09,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64939 states. [2018-07-22 05:46:09,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64939 to 58102. [2018-07-22 05:46:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58102 states. [2018-07-22 05:46:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58102 states to 58102 states and 65719 transitions. [2018-07-22 05:46:09,705 INFO L78 Accepts]: Start accepts. Automaton has 58102 states and 65719 transitions. Word has length 900 [2018-07-22 05:46:09,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:46:09,706 INFO L471 AbstractCegarLoop]: Abstraction has 58102 states and 65719 transitions. [2018-07-22 05:46:09,706 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-22 05:46:09,706 INFO L276 IsEmpty]: Start isEmpty. Operand 58102 states and 65719 transitions. [2018-07-22 05:46:09,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2018-07-22 05:46:09,725 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:46:09,726 INFO L358 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:46:09,726 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:46:09,726 INFO L82 PathProgramCache]: Analyzing trace with hash 337175376, now seen corresponding path program 1 times [2018-07-22 05:46:09,726 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:46:09,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:46:09,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:46:09,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:46:09,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:46:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:46:10,711 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-07-22 05:46:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 20 proven. 397 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-07-22 05:46:12,500 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 05:46:12,500 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 05:46:12,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:46:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:46:12,873 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 05:46:13,243 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2018-07-22 05:46:13,267 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 05:46:13,267 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2018-07-22 05:46:13,269 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-22 05:46:13,269 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-22 05:46:13,269 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-07-22 05:46:13,270 INFO L87 Difference]: Start difference. First operand 58102 states and 65719 transitions. Second operand 9 states. [2018-07-22 05:46:44,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:46:44,700 INFO L93 Difference]: Finished difference Result 241057 states and 274537 transitions. [2018-07-22 05:46:44,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-22 05:46:44,745 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 909 [2018-07-22 05:46:44,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:46:44,952 INFO L225 Difference]: With dead ends: 241057 [2018-07-22 05:46:44,953 INFO L226 Difference]: Without dead ends: 184323 [2018-07-22 05:46:44,990 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 937 GetRequests, 919 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2018-07-22 05:46:45,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184323 states. [2018-07-22 05:46:46,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184323 to 151006. [2018-07-22 05:46:46,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151006 states. [2018-07-22 05:46:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151006 states to 151006 states and 167616 transitions. [2018-07-22 05:46:46,967 INFO L78 Accepts]: Start accepts. Automaton has 151006 states and 167616 transitions. Word has length 909 [2018-07-22 05:46:46,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:46:46,969 INFO L471 AbstractCegarLoop]: Abstraction has 151006 states and 167616 transitions. [2018-07-22 05:46:46,969 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-22 05:46:46,969 INFO L276 IsEmpty]: Start isEmpty. Operand 151006 states and 167616 transitions. [2018-07-22 05:46:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1165 [2018-07-22 05:46:47,016 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:46:47,017 INFO L358 BasicCegarLoop]: trace histogram [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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:46:47,019 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:46:47,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1801903384, now seen corresponding path program 1 times [2018-07-22 05:46:47,020 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:46:47,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:46:47,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:46:47,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:46:47,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:46:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:46:48,587 WARN L169 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 15 [2018-07-22 05:46:49,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 601 proven. 4 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2018-07-22 05:46:49,993 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-22 05:46:49,993 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 05:46:49,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:46:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-22 05:46:50,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-22 05:46:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2018-07-22 05:46:51,310 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-22 05:46:51,310 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-07-22 05:46:51,312 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-22 05:46:51,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-22 05:46:51,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-07-22 05:46:51,313 INFO L87 Difference]: Start difference. First operand 151006 states and 167616 transitions. Second operand 6 states. [2018-07-22 05:47:16,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-22 05:47:16,455 INFO L93 Difference]: Finished difference Result 414131 states and 459552 transitions. [2018-07-22 05:47:16,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-22 05:47:16,455 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1164 [2018-07-22 05:47:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-22 05:47:16,702 INFO L225 Difference]: With dead ends: 414131 [2018-07-22 05:47:16,702 INFO L226 Difference]: Without dead ends: 258994 [2018-07-22 05:47:16,761 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 1173 GetRequests, 1164 SyntacticMatches, 4 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-07-22 05:47:16,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258994 states. [2018-07-22 05:47:19,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258994 to 238450. [2018-07-22 05:47:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238450 states. [2018-07-22 05:47:19,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238450 states to 238450 states and 253044 transitions. [2018-07-22 05:47:19,330 INFO L78 Accepts]: Start accepts. Automaton has 238450 states and 253044 transitions. Word has length 1164 [2018-07-22 05:47:19,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-22 05:47:19,331 INFO L471 AbstractCegarLoop]: Abstraction has 238450 states and 253044 transitions. [2018-07-22 05:47:19,331 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-22 05:47:19,331 INFO L276 IsEmpty]: Start isEmpty. Operand 238450 states and 253044 transitions. [2018-07-22 05:47:19,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1674 [2018-07-22 05:47:19,373 INFO L350 BasicCegarLoop]: Found error trace [2018-07-22 05:47:19,375 INFO L358 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:47:19,375 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-22 05:47:19,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1161582047, now seen corresponding path program 1 times [2018-07-22 05:47:19,376 INFO L219 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-22 05:47:19,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-22 05:47:19,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:47:19,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-22 05:47:19,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-22 05:47:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-07-22 05:47:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1929 backedges. 721 proven. 0 refuted. 0 times theorem prover too weak. 1208 trivial. 0 not checked. [2018-07-22 05:47:26,580 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-22 05:47:26,581 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-22 05:47:26,581 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-22 05:47:26,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-22 05:47:26,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-22 05:47:26,582 INFO L87 Difference]: Start difference. First operand 238450 states and 253044 transitions. Second operand 3 states. [2018-07-22 05:47:26,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-22 05:47:26,603 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-22 05:47:26,798 WARN L202 ceAbstractionStarter]: Timeout [2018-07-22 05:47:26,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:47:26 BoogieIcfgContainer [2018-07-22 05:47:26,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-22 05:47:26,868 INFO L168 Benchmark]: Toolchain (without parser) took 229674.71 ms. Allocated memory was 307.2 MB in the beginning and 3.0 GB in the end (delta: 2.7 GB). Free memory was 225.4 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB. [2018-07-22 05:47:26,869 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-22 05:47:26,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5006.75 ms. Allocated memory was 307.2 MB in the beginning and 363.3 MB in the end (delta: 56.1 MB). Free memory was 225.4 MB in the beginning and 117.5 MB in the end (delta: 107.9 MB). Peak memory consumption was 187.1 MB. Max. memory is 5.3 GB. [2018-07-22 05:47:26,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 979.12 ms. Allocated memory was 363.3 MB in the beginning and 514.3 MB in the end (delta: 151.0 MB). Free memory was 117.5 MB in the beginning and 181.5 MB in the end (delta: -64.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 5.3 GB. [2018-07-22 05:47:26,871 INFO L168 Benchmark]: Boogie Preprocessor took 2889.71 ms. Allocated memory was 514.3 MB in the beginning and 822.1 MB in the end (delta: 307.8 MB). Free memory was 181.5 MB in the beginning and 533.8 MB in the end (delta: -352.3 MB). Peak memory consumption was 119.5 MB. Max. memory is 5.3 GB. [2018-07-22 05:47:26,871 INFO L168 Benchmark]: RCFGBuilder took 17051.32 ms. Allocated memory was 822.1 MB in the beginning and 1.2 GB in the end (delta: 390.6 MB). Free memory was 533.8 MB in the beginning and 478.9 MB in the end (delta: 54.9 MB). Peak memory consumption was 509.8 MB. Max. memory is 5.3 GB. [2018-07-22 05:47:26,872 INFO L168 Benchmark]: TraceAbstraction took 201870.28 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 478.9 MB in the beginning and 1.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 443.4 MB. Max. memory is 5.3 GB. [2018-07-22 05:47:26,876 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 307.2 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 5006.75 ms. Allocated memory was 307.2 MB in the beginning and 363.3 MB in the end (delta: 56.1 MB). Free memory was 225.4 MB in the beginning and 117.5 MB in the end (delta: 107.9 MB). Peak memory consumption was 187.1 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 979.12 ms. Allocated memory was 363.3 MB in the beginning and 514.3 MB in the end (delta: 151.0 MB). Free memory was 117.5 MB in the beginning and 181.5 MB in the end (delta: -64.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 2889.71 ms. Allocated memory was 514.3 MB in the beginning and 822.1 MB in the end (delta: 307.8 MB). Free memory was 181.5 MB in the beginning and 533.8 MB in the end (delta: -352.3 MB). Peak memory consumption was 119.5 MB. Max. memory is 5.3 GB. * RCFGBuilder took 17051.32 ms. Allocated memory was 822.1 MB in the beginning and 1.2 GB in the end (delta: 390.6 MB). Free memory was 533.8 MB in the beginning and 478.9 MB in the end (delta: 54.9 MB). Peak memory consumption was 509.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 201870.28 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 478.9 MB in the beginning and 1.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 443.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 49]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 49). Cancelled while BasicCegarLoop was constructing difference of abstraction (238450states) and interpolant automaton (currently 2 states, 3 states before enhancement), while ReachableStatesComputation was computing reachable states (1 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 201.5s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 169.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14196 SDtfs, 46651 SDslu, 11684 SDs, 0 SdLazy, 104075 SolverSat, 24804 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 142.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2153 GetRequests, 2093 SyntacticMatches, 11 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=238450occurred in iteration=9, 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: 8.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 120908 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 7974 NumberOfCodeBlocks, 7974 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 7962 ConstructedInterpolants, 0 QuantifiedInterpolants, 25639436 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2363 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 5432/5833 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/Problem19_label53_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-22_05-47-26-927.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/Problem19_label53_false-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-22_05-47-26-927.csv Completed graceful shutdown