java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label30_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 17:06:00,280 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 17:06:00,282 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 17:06:00,295 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 17:06:00,295 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 17:06:00,296 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 17:06:00,298 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 17:06:00,300 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 17:06:00,302 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 17:06:00,302 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 17:06:00,303 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 17:06:00,304 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 17:06:00,305 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 17:06:00,306 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 17:06:00,307 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 17:06:00,308 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 17:06:00,309 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 17:06:00,311 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 17:06:00,313 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 17:06:00,315 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 17:06:00,316 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 17:06:00,317 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 17:06:00,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 17:06:00,332 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-24 17:06:00,360 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 17:06:00,360 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 17:06:00,361 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 17:06:00,361 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 17:06:00,362 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 17:06:00,363 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 17:06:00,363 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 17:06:00,363 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 17:06:00,363 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 17:06:00,364 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 17:06:00,364 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 17:06:00,364 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 17:06:00,364 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 17:06:00,364 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 17:06:00,365 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 17:06:00,366 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 17:06:00,366 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 17:06:00,366 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 17:06:00,366 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 17:06:00,367 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 17:06:00,368 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 17:06:00,368 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 17:06:00,368 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 17:06:00,368 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 17:06:00,369 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 17:06:00,369 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 17:06:00,369 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 17:06:00,369 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 17:06:00,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 17:06:00,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 17:06:00,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 17:06:00,445 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 17:06:00,445 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 17:06:00,446 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label30_true-unreach-call.c [2018-10-24 17:06:00,512 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0deb0b669/60d556f1883c41a6892e04d388a64e3c/FLAGecfd96bfc [2018-10-24 17:06:01,439 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 17:06:01,440 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label30_true-unreach-call.c [2018-10-24 17:06:01,490 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0deb0b669/60d556f1883c41a6892e04d388a64e3c/FLAGecfd96bfc [2018-10-24 17:06:01,510 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0deb0b669/60d556f1883c41a6892e04d388a64e3c [2018-10-24 17:06:01,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 17:06:01,527 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 17:06:01,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 17:06:01,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 17:06:01,533 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 17:06:01,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:06:01" (1/1) ... [2018-10-24 17:06:01,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd01a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:01, skipping insertion in model container [2018-10-24 17:06:01,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:06:01" (1/1) ... [2018-10-24 17:06:01,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 17:06:01,796 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 17:06:03,959 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 17:06:03,966 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 17:06:05,142 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 17:06:05,202 INFO L193 MainTranslator]: Completed translation [2018-10-24 17:06:05,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:05 WrapperNode [2018-10-24 17:06:05,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 17:06:05,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 17:06:05,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 17:06:05,205 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 17:06:05,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:05" (1/1) ... [2018-10-24 17:06:05,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:05" (1/1) ... [2018-10-24 17:06:06,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 17:06:06,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 17:06:06,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 17:06:06,552 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 17:06:06,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:05" (1/1) ... [2018-10-24 17:06:06,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:05" (1/1) ... [2018-10-24 17:06:06,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:05" (1/1) ... [2018-10-24 17:06:06,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:05" (1/1) ... [2018-10-24 17:06:06,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:05" (1/1) ... [2018-10-24 17:06:07,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:05" (1/1) ... [2018-10-24 17:06:07,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:05" (1/1) ... [2018-10-24 17:06:07,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 17:06:07,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 17:06:07,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 17:06:07,252 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 17:06:07,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 17:06:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 17:06:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 17:06:07,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 17:06:23,743 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 17:06:23,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:06:23 BoogieIcfgContainer [2018-10-24 17:06:23,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 17:06:23,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 17:06:23,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 17:06:23,751 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 17:06:23,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:06:01" (1/3) ... [2018-10-24 17:06:23,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31500e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:06:23, skipping insertion in model container [2018-10-24 17:06:23,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:06:05" (2/3) ... [2018-10-24 17:06:23,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31500e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:06:23, skipping insertion in model container [2018-10-24 17:06:23,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:06:23" (3/3) ... [2018-10-24 17:06:23,755 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label30_true-unreach-call.c [2018-10-24 17:06:23,766 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 17:06:23,777 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 17:06:23,796 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 17:06:23,851 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 17:06:23,852 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 17:06:23,852 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 17:06:23,853 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 17:06:23,853 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 17:06:23,853 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 17:06:23,853 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 17:06:23,853 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 17:06:23,853 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 17:06:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states. [2018-10-24 17:06:23,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-24 17:06:23,915 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:06:23,916 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 17:06:23,919 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:06:23,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:06:23,925 INFO L82 PathProgramCache]: Analyzing trace with hash 55000978, now seen corresponding path program 1 times [2018-10-24 17:06:23,927 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:06:23,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:06:23,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:06:23,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:06:23,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:06:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:06:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:06:24,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:06:24,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 17:06:24,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 17:06:24,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 17:06:24,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:06:24,806 INFO L87 Difference]: Start difference. First operand 1749 states. Second operand 4 states. [2018-10-24 17:06:48,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:06:48,572 INFO L93 Difference]: Finished difference Result 6326 states and 12085 transitions. [2018-10-24 17:06:48,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 17:06:48,575 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2018-10-24 17:06:48,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:06:48,637 INFO L225 Difference]: With dead ends: 6326 [2018-10-24 17:06:48,637 INFO L226 Difference]: Without dead ends: 4570 [2018-10-24 17:06:48,647 INFO L605 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 [2018-10-24 17:06:48,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4570 states. [2018-10-24 17:06:48,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4570 to 4564. [2018-10-24 17:06:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4564 states. [2018-10-24 17:06:48,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 4564 states and 7499 transitions. [2018-10-24 17:06:48,857 INFO L78 Accepts]: Start accepts. Automaton has 4564 states and 7499 transitions. Word has length 49 [2018-10-24 17:06:48,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:06:48,966 INFO L481 AbstractCegarLoop]: Abstraction has 4564 states and 7499 transitions. [2018-10-24 17:06:48,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 17:06:48,966 INFO L276 IsEmpty]: Start isEmpty. Operand 4564 states and 7499 transitions. [2018-10-24 17:06:48,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-24 17:06:48,978 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:06:48,979 INFO L375 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, 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] [2018-10-24 17:06:48,979 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:06:48,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:06:48,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1633161244, now seen corresponding path program 1 times [2018-10-24 17:06:48,982 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:06:48,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:06:48,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:06:48,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:06:48,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:06:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:06:49,361 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:06:49,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:06:49,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 17:06:49,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 17:06:49,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 17:06:49,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:06:49,365 INFO L87 Difference]: Start difference. First operand 4564 states and 7499 transitions. Second operand 4 states. [2018-10-24 17:07:16,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:07:16,630 INFO L93 Difference]: Finished difference Result 17552 states and 29056 transitions. [2018-10-24 17:07:16,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 17:07:16,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2018-10-24 17:07:16,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:07:16,697 INFO L225 Difference]: With dead ends: 17552 [2018-10-24 17:07:16,697 INFO L226 Difference]: Without dead ends: 12990 [2018-10-24 17:07:16,707 INFO L605 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 [2018-10-24 17:07:16,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12990 states. [2018-10-24 17:07:16,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12990 to 8666. [2018-10-24 17:07:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8666 states. [2018-10-24 17:07:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8666 states to 8666 states and 13862 transitions. [2018-10-24 17:07:16,919 INFO L78 Accepts]: Start accepts. Automaton has 8666 states and 13862 transitions. Word has length 153 [2018-10-24 17:07:16,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:07:16,920 INFO L481 AbstractCegarLoop]: Abstraction has 8666 states and 13862 transitions. [2018-10-24 17:07:16,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 17:07:16,920 INFO L276 IsEmpty]: Start isEmpty. Operand 8666 states and 13862 transitions. [2018-10-24 17:07:16,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-24 17:07:16,928 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:07:16,928 INFO L375 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, 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] [2018-10-24 17:07:16,929 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:07:16,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:07:16,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1048162706, now seen corresponding path program 1 times [2018-10-24 17:07:16,936 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:07:16,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:07:16,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:07:16,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:07:16,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:07:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:07:17,327 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:07:17,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:07:17,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 17:07:17,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 17:07:17,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 17:07:17,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:07:17,329 INFO L87 Difference]: Start difference. First operand 8666 states and 13862 transitions. Second operand 4 states. [2018-10-24 17:07:38,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:07:38,597 INFO L93 Difference]: Finished difference Result 33844 states and 54415 transitions. [2018-10-24 17:07:38,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 17:07:38,598 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 157 [2018-10-24 17:07:38,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:07:38,666 INFO L225 Difference]: With dead ends: 33844 [2018-10-24 17:07:38,666 INFO L226 Difference]: Without dead ends: 25180 [2018-10-24 17:07:38,680 INFO L605 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 [2018-10-24 17:07:38,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25180 states. [2018-10-24 17:07:39,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25180 to 25142. [2018-10-24 17:07:39,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25142 states. [2018-10-24 17:07:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25142 states to 25142 states and 35892 transitions. [2018-10-24 17:07:39,086 INFO L78 Accepts]: Start accepts. Automaton has 25142 states and 35892 transitions. Word has length 157 [2018-10-24 17:07:39,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:07:39,087 INFO L481 AbstractCegarLoop]: Abstraction has 25142 states and 35892 transitions. [2018-10-24 17:07:39,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 17:07:39,087 INFO L276 IsEmpty]: Start isEmpty. Operand 25142 states and 35892 transitions. [2018-10-24 17:07:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-24 17:07:39,092 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:07:39,100 INFO L375 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, 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] [2018-10-24 17:07:39,100 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:07:39,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:07:39,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1188813862, now seen corresponding path program 1 times [2018-10-24 17:07:39,101 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:07:39,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:07:39,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:07:39,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:07:39,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:07:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:07:39,483 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 17:07:39,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:07:39,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 17:07:39,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 17:07:39,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 17:07:39,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:07:39,485 INFO L87 Difference]: Start difference. First operand 25142 states and 35892 transitions. Second operand 4 states. [2018-10-24 17:07:59,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:07:59,335 INFO L93 Difference]: Finished difference Result 98404 states and 140796 transitions. [2018-10-24 17:07:59,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 17:07:59,336 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 180 [2018-10-24 17:07:59,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:07:59,456 INFO L225 Difference]: With dead ends: 98404 [2018-10-24 17:07:59,456 INFO L226 Difference]: Without dead ends: 73264 [2018-10-24 17:07:59,492 INFO L605 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 [2018-10-24 17:07:59,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73264 states. [2018-10-24 17:08:00,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73264 to 73244. [2018-10-24 17:08:00,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73244 states. [2018-10-24 17:08:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73244 states to 73244 states and 91793 transitions. [2018-10-24 17:08:00,376 INFO L78 Accepts]: Start accepts. Automaton has 73244 states and 91793 transitions. Word has length 180 [2018-10-24 17:08:00,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:08:00,377 INFO L481 AbstractCegarLoop]: Abstraction has 73244 states and 91793 transitions. [2018-10-24 17:08:00,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 17:08:00,377 INFO L276 IsEmpty]: Start isEmpty. Operand 73244 states and 91793 transitions. [2018-10-24 17:08:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2018-10-24 17:08:00,389 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:08:00,390 INFO L375 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 17:08:00,390 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:08:00,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:08:00,390 INFO L82 PathProgramCache]: Analyzing trace with hash 5728548, now seen corresponding path program 1 times [2018-10-24 17:08:00,391 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:08:00,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:08:00,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:08:00,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:08:00,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:08:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:08:00,950 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-24 17:08:01,383 WARN L179 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 18 [2018-10-24 17:08:01,693 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-10-24 17:08:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-10-24 17:08:02,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:08:02,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 17:08:02,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 17:08:02,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 17:08:02,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 17:08:02,077 INFO L87 Difference]: Start difference. First operand 73244 states and 91793 transitions. Second operand 7 states. [2018-10-24 17:08:37,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:08:37,673 INFO L93 Difference]: Finished difference Result 172454 states and 210825 transitions. [2018-10-24 17:08:37,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 17:08:37,674 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 504 [2018-10-24 17:08:37,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:08:37,847 INFO L225 Difference]: With dead ends: 172454 [2018-10-24 17:08:37,847 INFO L226 Difference]: Without dead ends: 99212 [2018-10-24 17:08:37,895 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-10-24 17:08:37,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99212 states. [2018-10-24 17:08:38,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99212 to 95108. [2018-10-24 17:08:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95108 states. [2018-10-24 17:08:38,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95108 states to 95108 states and 114314 transitions. [2018-10-24 17:08:38,964 INFO L78 Accepts]: Start accepts. Automaton has 95108 states and 114314 transitions. Word has length 504 [2018-10-24 17:08:38,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:08:38,965 INFO L481 AbstractCegarLoop]: Abstraction has 95108 states and 114314 transitions. [2018-10-24 17:08:38,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-24 17:08:38,965 INFO L276 IsEmpty]: Start isEmpty. Operand 95108 states and 114314 transitions. [2018-10-24 17:08:38,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2018-10-24 17:08:38,982 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:08:38,983 INFO L375 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 17:08:38,983 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:08:38,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:08:38,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1551641150, now seen corresponding path program 1 times [2018-10-24 17:08:38,985 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:08:38,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:08:38,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:08:38,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:08:38,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:08:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:08:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-24 17:08:39,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:08:39,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 17:08:39,662 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 17:08:39,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 17:08:39,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:08:39,662 INFO L87 Difference]: Start difference. First operand 95108 states and 114314 transitions. Second operand 4 states. [2018-10-24 17:09:00,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:09:00,506 INFO L93 Difference]: Finished difference Result 238036 states and 291029 transitions. [2018-10-24 17:09:00,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 17:09:00,507 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 532 [2018-10-24 17:09:00,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:09:00,700 INFO L225 Difference]: With dead ends: 238036 [2018-10-24 17:09:00,701 INFO L226 Difference]: Without dead ends: 142930 [2018-10-24 17:09:00,773 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:09:00,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142930 states. [2018-10-24 17:09:01,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142930 to 142919. [2018-10-24 17:09:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142919 states. [2018-10-24 17:09:02,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142919 states to 142919 states and 167348 transitions. [2018-10-24 17:09:02,970 INFO L78 Accepts]: Start accepts. Automaton has 142919 states and 167348 transitions. Word has length 532 [2018-10-24 17:09:02,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:09:02,971 INFO L481 AbstractCegarLoop]: Abstraction has 142919 states and 167348 transitions. [2018-10-24 17:09:02,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 17:09:02,971 INFO L276 IsEmpty]: Start isEmpty. Operand 142919 states and 167348 transitions. [2018-10-24 17:09:03,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 905 [2018-10-24 17:09:03,006 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:09:03,007 INFO L375 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 17:09:03,008 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:09:03,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:09:03,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1642943849, now seen corresponding path program 1 times [2018-10-24 17:09:03,009 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:09:03,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:09:03,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:09:03,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:09:03,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:09:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:09:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2018-10-24 17:09:04,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:09:04,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 17:09:04,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 17:09:04,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 17:09:04,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:09:04,151 INFO L87 Difference]: Start difference. First operand 142919 states and 167348 transitions. Second operand 4 states. [2018-10-24 17:09:23,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:09:23,122 INFO L93 Difference]: Finished difference Result 285839 states and 334703 transitions. [2018-10-24 17:09:23,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 17:09:23,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 904 [2018-10-24 17:09:23,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:09:23,345 INFO L225 Difference]: With dead ends: 285839 [2018-10-24 17:09:23,345 INFO L226 Difference]: Without dead ends: 142922 [2018-10-24 17:09:23,439 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:09:23,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142922 states. [2018-10-24 17:09:25,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142922 to 131983. [2018-10-24 17:09:25,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131983 states. [2018-10-24 17:09:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131983 states to 131983 states and 147276 transitions. [2018-10-24 17:09:25,767 INFO L78 Accepts]: Start accepts. Automaton has 131983 states and 147276 transitions. Word has length 904 [2018-10-24 17:09:25,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 17:09:25,769 INFO L481 AbstractCegarLoop]: Abstraction has 131983 states and 147276 transitions. [2018-10-24 17:09:25,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 17:09:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 131983 states and 147276 transitions. [2018-10-24 17:09:25,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2018-10-24 17:09:25,784 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 17:09:25,785 INFO L375 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 17:09:25,785 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 17:09:25,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 17:09:25,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1882583691, now seen corresponding path program 1 times [2018-10-24 17:09:25,786 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 17:09:25,786 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 17:09:25,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:09:25,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 17:09:25,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 17:09:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 17:09:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2018-10-24 17:09:26,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 17:09:26,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 17:09:26,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 17:09:26,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 17:09:26,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:09:26,603 INFO L87 Difference]: Start difference. First operand 131983 states and 147276 transitions. Second operand 4 states. [2018-10-24 17:09:50,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 17:09:50,082 INFO L93 Difference]: Finished difference Result 451279 states and 505202 transitions. [2018-10-24 17:09:50,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 17:09:50,083 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 922 [2018-10-24 17:09:50,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 17:09:50,491 INFO L225 Difference]: With dead ends: 451279 [2018-10-24 17:09:50,491 INFO L226 Difference]: Without dead ends: 308366 [2018-10-24 17:09:50,606 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 17:09:50,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308366 states. [2018-10-24 17:09:54,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308366 to 304114. [2018-10-24 17:09:54,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304114 states. Received shutdown request... [2018-10-24 17:09:56,235 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 17:09:56,241 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 17:09:56,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 05:09:56 BoogieIcfgContainer [2018-10-24 17:09:56,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 17:09:56,243 INFO L168 Benchmark]: Toolchain (without parser) took 234717.94 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -118.9 MB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2018-10-24 17:09:56,244 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 17:09:56,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3675.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 980.5 MB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. [2018-10-24 17:09:56,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 1347.20 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 848.8 MB). Free memory was 980.5 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. [2018-10-24 17:09:56,249 INFO L168 Benchmark]: Boogie Preprocessor took 699.15 ms. Allocated memory is still 2.4 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 91.8 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. [2018-10-24 17:09:56,249 INFO L168 Benchmark]: RCFGBuilder took 16493.33 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 265.3 MB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 536.1 MB). Peak memory consumption was 801.4 MB. Max. memory is 7.1 GB. [2018-10-24 17:09:56,250 INFO L168 Benchmark]: TraceAbstraction took 212494.89 ms. Allocated memory was 2.6 GB in the beginning and 3.5 GB in the end (delta: 859.8 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -19.3 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-24 17:09:56,260 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3675.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 980.5 MB in the end (delta: 403.3 MB). Peak memory consumption was 403.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 1347.20 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 848.8 MB). Free memory was 980.5 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 699.15 ms. Allocated memory is still 2.4 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 91.8 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 16493.33 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 265.3 MB). Free memory was 2.0 GB in the beginning and 1.5 GB in the end (delta: 536.1 MB). Peak memory consumption was 801.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 212494.89 ms. Allocated memory was 2.6 GB in the beginning and 3.5 GB in the end (delta: 859.8 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -19.3 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 160]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 160). Cancelled while ReachableStatesComputation was computing reachable states (195798 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1749 locations, 1 error locations. TIMEOUT Result, 212.3s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 192.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9805 SDtfs, 32155 SDslu, 3705 SDs, 0 SdLazy, 82253 SolverSat, 18446 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 163.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142919occurred 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: 12.9s AutomataMinimizationTime, 8 MinimizatonAttempts, 19442 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 3401 NumberOfCodeBlocks, 3401 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 3393 ConstructedInterpolants, 0 QuantifiedInterpolants, 4139723 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 2276/2276 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown