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/Problem01_label10_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 14:49:55,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 14:49:55,709 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 14:49:55,728 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 14:49:55,729 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 14:49:55,730 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 14:49:55,731 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 14:49:55,733 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 14:49:55,735 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 14:49:55,736 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 14:49:55,737 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 14:49:55,737 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 14:49:55,738 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 14:49:55,739 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 14:49:55,740 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 14:49:55,741 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 14:49:55,742 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 14:49:55,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 14:49:55,746 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 14:49:55,748 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 14:49:55,749 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 14:49:55,750 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 14:49:55,753 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 14:49:55,763 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 14:49:55,779 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 14:49:55,779 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 14:49:55,780 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 14:49:55,780 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 14:49:55,781 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 14:49:55,781 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 14:49:55,781 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 14:49:55,782 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 14:49:55,782 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 14:49:55,782 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 14:49:55,782 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 14:49:55,783 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 14:49:55,783 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 14:49:55,783 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 14:49:55,783 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 14:49:55,783 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 14:49:55,784 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 14:49:55,784 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 14:49:55,784 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 14:49:55,784 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:49:55,784 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 14:49:55,785 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 14:49:55,785 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 14:49:55,785 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 14:49:55,785 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 14:49:55,785 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 14:49:55,786 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 14:49:55,786 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 14:49:55,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 14:49:55,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 14:49:55,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 14:49:55,858 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 14:49:55,858 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 14:49:55,859 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-10-24 14:49:55,928 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/95d3619e0/2c60966abb394b29ae62b1d8ca960c90/FLAGe30176f64 [2018-10-24 14:49:56,501 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 14:49:56,502 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label10_true-unreach-call_false-termination.c [2018-10-24 14:49:56,524 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/95d3619e0/2c60966abb394b29ae62b1d8ca960c90/FLAGe30176f64 [2018-10-24 14:49:56,539 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/95d3619e0/2c60966abb394b29ae62b1d8ca960c90 [2018-10-24 14:49:56,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 14:49:56,550 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 14:49:56,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 14:49:56,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 14:49:56,555 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 14:49:56,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:49:56" (1/1) ... [2018-10-24 14:49:56,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68109397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:56, skipping insertion in model container [2018-10-24 14:49:56,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:49:56" (1/1) ... [2018-10-24 14:49:56,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 14:49:56,630 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 14:49:57,096 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:49:57,102 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 14:49:57,209 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:49:57,228 INFO L193 MainTranslator]: Completed translation [2018-10-24 14:49:57,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:57 WrapperNode [2018-10-24 14:49:57,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 14:49:57,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 14:49:57,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 14:49:57,230 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 14:49:57,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:57" (1/1) ... [2018-10-24 14:49:57,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:57" (1/1) ... [2018-10-24 14:49:57,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 14:49:57,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 14:49:57,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 14:49:57,415 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 14:49:57,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:57" (1/1) ... [2018-10-24 14:49:57,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:57" (1/1) ... [2018-10-24 14:49:57,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:57" (1/1) ... [2018-10-24 14:49:57,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:57" (1/1) ... [2018-10-24 14:49:57,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:57" (1/1) ... [2018-10-24 14:49:57,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:57" (1/1) ... [2018-10-24 14:49:57,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:57" (1/1) ... [2018-10-24 14:49:57,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 14:49:57,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 14:49:57,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 14:49:57,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 14:49:57,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:57" (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 14:49:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 14:49:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 14:49:57,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 14:50:00,932 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 14:50:00,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:50:00 BoogieIcfgContainer [2018-10-24 14:50:00,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 14:50:00,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 14:50:00,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 14:50:00,942 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 14:50:00,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:49:56" (1/3) ... [2018-10-24 14:50:00,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e8ef99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:50:00, skipping insertion in model container [2018-10-24 14:50:00,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:49:57" (2/3) ... [2018-10-24 14:50:00,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e8ef99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:50:00, skipping insertion in model container [2018-10-24 14:50:00,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:50:00" (3/3) ... [2018-10-24 14:50:00,947 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label10_true-unreach-call_false-termination.c [2018-10-24 14:50:00,962 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 14:50:00,982 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 14:50:01,004 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 14:50:01,057 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 14:50:01,058 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 14:50:01,059 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 14:50:01,059 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 14:50:01,059 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 14:50:01,060 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 14:50:01,060 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 14:50:01,060 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 14:50:01,060 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 14:50:01,097 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-24 14:50:01,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-24 14:50:01,126 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:01,128 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:01,132 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:01,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:01,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1724399335, now seen corresponding path program 1 times [2018-10-24 14:50:01,143 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:01,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:01,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:01,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:01,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:01,822 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 14:50:01,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:01,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:01,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:01,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:01,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:01,854 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 4 states. [2018-10-24 14:50:04,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:04,541 INFO L93 Difference]: Finished difference Result 666 states and 1182 transitions. [2018-10-24 14:50:04,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:50:04,544 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2018-10-24 14:50:04,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:04,566 INFO L225 Difference]: With dead ends: 666 [2018-10-24 14:50:04,566 INFO L226 Difference]: Without dead ends: 460 [2018-10-24 14:50:04,571 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 14:50:04,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-10-24 14:50:04,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2018-10-24 14:50:04,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2018-10-24 14:50:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 743 transitions. [2018-10-24 14:50:04,679 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 743 transitions. Word has length 111 [2018-10-24 14:50:04,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:04,680 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 743 transitions. [2018-10-24 14:50:04,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:04,682 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 743 transitions. [2018-10-24 14:50:04,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-24 14:50:04,697 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:04,698 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 14:50:04,698 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:04,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:04,698 INFO L82 PathProgramCache]: Analyzing trace with hash -637862706, now seen corresponding path program 1 times [2018-10-24 14:50:04,699 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:04,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:04,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:04,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:04,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:50:04,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:04,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:04,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:04,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:04,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:04,920 INFO L87 Difference]: Start difference. First operand 460 states and 743 transitions. Second operand 4 states. [2018-10-24 14:50:06,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:06,184 INFO L93 Difference]: Finished difference Result 1314 states and 2164 transitions. [2018-10-24 14:50:06,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:50:06,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2018-10-24 14:50:06,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:06,191 INFO L225 Difference]: With dead ends: 1314 [2018-10-24 14:50:06,191 INFO L226 Difference]: Without dead ends: 856 [2018-10-24 14:50:06,194 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 14:50:06,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-10-24 14:50:06,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2018-10-24 14:50:06,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2018-10-24 14:50:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1279 transitions. [2018-10-24 14:50:06,237 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1279 transitions. Word has length 117 [2018-10-24 14:50:06,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:06,238 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 1279 transitions. [2018-10-24 14:50:06,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:06,238 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1279 transitions. [2018-10-24 14:50:06,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-24 14:50:06,243 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:06,243 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2018-10-24 14:50:06,244 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:06,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:06,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1168318243, now seen corresponding path program 1 times [2018-10-24 14:50:06,244 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:06,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:06,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:06,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:06,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:06,324 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 14:50:06,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:06,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:50:06,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:50:06,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:50:06,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:06,326 INFO L87 Difference]: Start difference. First operand 856 states and 1279 transitions. Second operand 3 states. [2018-10-24 14:50:09,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:09,021 INFO L93 Difference]: Finished difference Result 2106 states and 3236 transitions. [2018-10-24 14:50:09,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:50:09,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-10-24 14:50:09,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:09,034 INFO L225 Difference]: With dead ends: 2106 [2018-10-24 14:50:09,034 INFO L226 Difference]: Without dead ends: 1252 [2018-10-24 14:50:09,036 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:09,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2018-10-24 14:50:09,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1252. [2018-10-24 14:50:09,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1252 states. [2018-10-24 14:50:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1911 transitions. [2018-10-24 14:50:09,113 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1911 transitions. Word has length 139 [2018-10-24 14:50:09,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:09,113 INFO L481 AbstractCegarLoop]: Abstraction has 1252 states and 1911 transitions. [2018-10-24 14:50:09,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:50:09,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1911 transitions. [2018-10-24 14:50:09,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-24 14:50:09,118 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:09,118 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 14:50:09,119 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:09,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:09,119 INFO L82 PathProgramCache]: Analyzing trace with hash 97790700, now seen corresponding path program 1 times [2018-10-24 14:50:09,119 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:09,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:09,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:09,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:09,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:09,293 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-24 14:50:09,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:09,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:50:09,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:50:09,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:50:09,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:09,295 INFO L87 Difference]: Start difference. First operand 1252 states and 1911 transitions. Second operand 3 states. [2018-10-24 14:50:10,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:10,746 INFO L93 Difference]: Finished difference Result 3294 states and 4988 transitions. [2018-10-24 14:50:10,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:50:10,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2018-10-24 14:50:10,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:10,759 INFO L225 Difference]: With dead ends: 3294 [2018-10-24 14:50:10,759 INFO L226 Difference]: Without dead ends: 2044 [2018-10-24 14:50:10,761 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:10,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2018-10-24 14:50:10,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 2044. [2018-10-24 14:50:10,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2044 states. [2018-10-24 14:50:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 2044 states and 2899 transitions. [2018-10-24 14:50:10,809 INFO L78 Accepts]: Start accepts. Automaton has 2044 states and 2899 transitions. Word has length 177 [2018-10-24 14:50:10,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:10,810 INFO L481 AbstractCegarLoop]: Abstraction has 2044 states and 2899 transitions. [2018-10-24 14:50:10,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:50:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 2899 transitions. [2018-10-24 14:50:10,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-24 14:50:10,815 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:10,815 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-24 14:50:10,816 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:10,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:10,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1030692352, now seen corresponding path program 1 times [2018-10-24 14:50:10,816 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:10,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:10,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:10,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:10,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:11,039 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-10-24 14:50:11,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:11,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:11,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:11,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:11,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:11,041 INFO L87 Difference]: Start difference. First operand 2044 states and 2899 transitions. Second operand 4 states. [2018-10-24 14:50:11,266 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-24 14:50:12,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:12,211 INFO L93 Difference]: Finished difference Result 4405 states and 6184 transitions. [2018-10-24 14:50:12,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-24 14:50:12,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 185 [2018-10-24 14:50:12,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:12,222 INFO L225 Difference]: With dead ends: 4405 [2018-10-24 14:50:12,222 INFO L226 Difference]: Without dead ends: 2363 [2018-10-24 14:50:12,226 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 14:50:12,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2363 states. [2018-10-24 14:50:12,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2363 to 2303. [2018-10-24 14:50:12,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2303 states. [2018-10-24 14:50:12,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 3186 transitions. [2018-10-24 14:50:12,271 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 3186 transitions. Word has length 185 [2018-10-24 14:50:12,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:12,271 INFO L481 AbstractCegarLoop]: Abstraction has 2303 states and 3186 transitions. [2018-10-24 14:50:12,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:12,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3186 transitions. [2018-10-24 14:50:12,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-24 14:50:12,277 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:12,278 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-24 14:50:12,278 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:12,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:12,278 INFO L82 PathProgramCache]: Analyzing trace with hash -482042456, now seen corresponding path program 1 times [2018-10-24 14:50:12,279 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:12,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:12,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:12,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:12,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-10-24 14:50:12,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:12,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:12,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:50:12,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:50:12,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:50:12,541 INFO L87 Difference]: Start difference. First operand 2303 states and 3186 transitions. Second operand 4 states. [2018-10-24 14:50:13,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:13,673 INFO L93 Difference]: Finished difference Result 4736 states and 6603 transitions. [2018-10-24 14:50:13,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:50:13,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 190 [2018-10-24 14:50:13,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:13,693 INFO L225 Difference]: With dead ends: 4736 [2018-10-24 14:50:13,694 INFO L226 Difference]: Without dead ends: 2435 [2018-10-24 14:50:13,698 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 14:50:13,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2435 states. [2018-10-24 14:50:13,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2435 to 2435. [2018-10-24 14:50:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2435 states. [2018-10-24 14:50:13,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2435 states and 3341 transitions. [2018-10-24 14:50:13,741 INFO L78 Accepts]: Start accepts. Automaton has 2435 states and 3341 transitions. Word has length 190 [2018-10-24 14:50:13,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:13,741 INFO L481 AbstractCegarLoop]: Abstraction has 2435 states and 3341 transitions. [2018-10-24 14:50:13,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:50:13,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 3341 transitions. [2018-10-24 14:50:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-24 14:50:13,747 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:13,747 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-24 14:50:13,747 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:13,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:13,748 INFO L82 PathProgramCache]: Analyzing trace with hash -971916052, now seen corresponding path program 1 times [2018-10-24 14:50:13,748 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:13,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:13,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:13,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:13,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-10-24 14:50:13,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:13,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:50:13,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:50:13,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:50:13,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:13,863 INFO L87 Difference]: Start difference. First operand 2435 states and 3341 transitions. Second operand 3 states. [2018-10-24 14:50:14,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:14,638 INFO L93 Difference]: Finished difference Result 6439 states and 8708 transitions. [2018-10-24 14:50:14,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:50:14,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2018-10-24 14:50:14,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:14,649 INFO L225 Difference]: With dead ends: 6439 [2018-10-24 14:50:14,649 INFO L226 Difference]: Without dead ends: 2676 [2018-10-24 14:50:14,654 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:14,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2018-10-24 14:50:14,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2676. [2018-10-24 14:50:14,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2676 states. [2018-10-24 14:50:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3039 transitions. [2018-10-24 14:50:14,710 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3039 transitions. Word has length 193 [2018-10-24 14:50:14,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:14,710 INFO L481 AbstractCegarLoop]: Abstraction has 2676 states and 3039 transitions. [2018-10-24 14:50:14,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:50:14,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3039 transitions. [2018-10-24 14:50:14,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-24 14:50:14,717 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:14,717 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 14:50:14,718 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:14,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:14,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1628590967, now seen corresponding path program 1 times [2018-10-24 14:50:14,718 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:14,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:14,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:14,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:14,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-24 14:50:14,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:50:14,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:50:14,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:50:14,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:50:14,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:14,979 INFO L87 Difference]: Start difference. First operand 2676 states and 3039 transitions. Second operand 3 states. [2018-10-24 14:50:15,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:15,901 INFO L93 Difference]: Finished difference Result 6800 states and 7753 transitions. [2018-10-24 14:50:15,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:50:15,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2018-10-24 14:50:15,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:15,916 INFO L225 Difference]: With dead ends: 6800 [2018-10-24 14:50:15,917 INFO L226 Difference]: Without dead ends: 3724 [2018-10-24 14:50:15,920 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:50:15,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2018-10-24 14:50:15,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3592. [2018-10-24 14:50:15,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3592 states. [2018-10-24 14:50:15,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 3592 states and 3986 transitions. [2018-10-24 14:50:15,977 INFO L78 Accepts]: Start accepts. Automaton has 3592 states and 3986 transitions. Word has length 207 [2018-10-24 14:50:15,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:15,978 INFO L481 AbstractCegarLoop]: Abstraction has 3592 states and 3986 transitions. [2018-10-24 14:50:15,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:50:15,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3592 states and 3986 transitions. [2018-10-24 14:50:15,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-24 14:50:15,988 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:50:15,988 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-10-24 14:50:15,988 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:50:15,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:50:15,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1601346970, now seen corresponding path program 1 times [2018-10-24 14:50:15,989 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:50:15,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:50:15,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:15,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:15,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:50:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:16,370 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-10-24 14:50:16,637 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2018-10-24 14:50:17,058 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 216 proven. 27 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-24 14:50:17,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 14:50:17,059 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 14:50:17,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:50:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:50:17,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 14:50:17,446 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-24 14:50:17,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 14:50:17,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-10-24 14:50:17,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 14:50:17,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 14:50:17,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-10-24 14:50:17,482 INFO L87 Difference]: Start difference. First operand 3592 states and 3986 transitions. Second operand 8 states. [2018-10-24 14:50:21,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:50:21,962 INFO L93 Difference]: Finished difference Result 7059 states and 7844 transitions. [2018-10-24 14:50:21,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 14:50:21,962 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 237 [2018-10-24 14:50:21,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:50:21,963 INFO L225 Difference]: With dead ends: 7059 [2018-10-24 14:50:21,963 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 14:50:21,967 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 237 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-24 14:50:21,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 14:50:21,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 14:50:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 14:50:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 14:50:21,968 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2018-10-24 14:50:21,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:50:21,969 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 14:50:21,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 14:50:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 14:50:21,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 14:50:21,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 14:50:22,879 WARN L179 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2018-10-24 14:50:23,026 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2018-10-24 14:50:23,030 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-24 14:50:23,030 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-24 14:50:23,030 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2018-10-24 14:50:23,030 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,030 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,030 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,030 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,030 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,031 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,031 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-24 14:50:23,031 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-24 14:50:23,031 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-24 14:50:23,031 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-24 14:50:23,031 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-24 14:50:23,031 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-24 14:50:23,031 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-24 14:50:23,031 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-24 14:50:23,031 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-24 14:50:23,031 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-24 14:50:23,031 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,032 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,032 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,032 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,032 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,032 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,032 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-24 14:50:23,032 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-24 14:50:23,032 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-24 14:50:23,033 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-24 14:50:23,033 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-24 14:50:23,033 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-24 14:50:23,033 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-24 14:50:23,033 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-24 14:50:23,033 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-24 14:50:23,033 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-24 14:50:23,033 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-24 14:50:23,035 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-24 14:50:23,035 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-24 14:50:23,035 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-24 14:50:23,035 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-10-24 14:50:23,035 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,035 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,035 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,036 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,036 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,036 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-24 14:50:23,036 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-24 14:50:23,036 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-24 14:50:23,036 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-24 14:50:23,036 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-24 14:50:23,036 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-24 14:50:23,037 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-24 14:50:23,037 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-24 14:50:23,037 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-24 14:50:23,038 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse1 (= ~a7~0 1)) (.cse3 (= ~a17~0 1)) (.cse2 (= ~a20~0 1)) (.cse0 (= ~a21~0 1))) (or (and (= ~a8~0 15) .cse0) (and .cse1 .cse0 .cse2) (and .cse1 .cse3 .cse0) (and .cse0 (= ~a16~0 5)) (and .cse1 (<= ~a21~0 0)) (and .cse3 .cse0 .cse2) (and (= ~a16~0 4) .cse0))) [2018-10-24 14:50:23,038 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,038 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,038 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,038 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,039 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,039 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-24 14:50:23,039 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-24 14:50:23,039 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-24 14:50:23,039 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-24 14:50:23,039 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-24 14:50:23,039 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-24 14:50:23,039 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-24 14:50:23,039 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-24 14:50:23,039 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-24 14:50:23,040 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-24 14:50:23,041 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-24 14:50:23,042 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,043 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,043 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,043 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse1 (= ~a7~0 1)) (.cse3 (= ~a17~0 1)) (.cse2 (= ~a20~0 1)) (.cse0 (= ~a21~0 1))) (or (and (= ~a8~0 15) .cse0) (and .cse1 .cse0 .cse2) (and .cse1 .cse3 .cse0) (and .cse0 (= ~a16~0 5)) (and .cse1 (<= ~a21~0 0)) (and .cse3 .cse0 .cse2) (and (= ~a16~0 4) .cse0))) [2018-10-24 14:50:23,043 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,043 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,043 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-24 14:50:23,043 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-24 14:50:23,043 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 14:50:23,044 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,045 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-24 14:50:23,046 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-24 14:50:23,047 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-24 14:50:23,047 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-24 14:50:23,047 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,047 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,047 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,047 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,047 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,047 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,047 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-24 14:50:23,047 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-24 14:50:23,048 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-24 14:50:23,048 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-24 14:50:23,048 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-24 14:50:23,048 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-24 14:50:23,048 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-24 14:50:23,048 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-24 14:50:23,048 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-24 14:50:23,048 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-24 14:50:23,048 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-24 14:50:23,049 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-24 14:50:23,049 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 14:50:23,049 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-24 14:50:23,049 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-24 14:50:23,049 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-24 14:50:23,049 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,049 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,049 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,049 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,050 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,050 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:50:23,050 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-24 14:50:23,050 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-24 14:50:23,050 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-24 14:50:23,050 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-24 14:50:23,050 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-24 14:50:23,050 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-24 14:50:23,050 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-24 14:50:23,050 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-24 14:50:23,051 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-24 14:50:23,051 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-24 14:50:23,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:50:23 BoogieIcfgContainer [2018-10-24 14:50:23,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 14:50:23,075 INFO L168 Benchmark]: Toolchain (without parser) took 26525.71 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -480.4 MB). Peak memory consumption was 621.7 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:23,076 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 14:50:23,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:23,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.31 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.7 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:23,078 INFO L168 Benchmark]: Boogie Preprocessor took 84.39 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 14:50:23,079 INFO L168 Benchmark]: RCFGBuilder took 3433.46 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:23,080 INFO L168 Benchmark]: TraceAbstraction took 22136.16 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 362.3 MB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 181.9 MB). Peak memory consumption was 544.2 MB. Max. memory is 7.1 GB. [2018-10-24 14:50:23,085 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 185.31 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.7 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.39 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3433.46 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22136.16 ms. Allocated memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: 362.3 MB). Free memory was 2.1 GB in the beginning and 1.9 GB in the end (delta: 181.9 MB). Peak memory consumption was 544.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((a8 == 15 && a21 == 1) || ((a7 == 1 && a21 == 1) && a20 == 1)) || ((a7 == 1 && a17 == 1) && a21 == 1)) || (a21 == 1 && a16 == 5)) || (a7 == 1 && a21 <= 0)) || ((a17 == 1 && a21 == 1) && a20 == 1)) || (a16 == 4 && a21 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((a8 == 15 && a21 == 1) || ((a7 == 1 && a21 == 1) && a20 == 1)) || ((a7 == 1 && a17 == 1) && a21 == 1)) || (a21 == 1 && a16 == 5)) || (a7 == 1 && a21 <= 0)) || ((a17 == 1 && a21 == 1) && a20 == 1)) || (a16 == 4 && a21 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 22.0s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 16.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1319 SDtfs, 2724 SDslu, 539 SDs, 0 SdLazy, 5642 SolverSat, 1108 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3592occurred in iteration=8, 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: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 192 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 92 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2050 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1793 NumberOfCodeBlocks, 1793 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1783 ConstructedInterpolants, 0 QuantifiedInterpolants, 691063 SizeOfPredicates, 1 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 1495/1522 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...