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_label31_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 14:51:05,747 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 14:51:05,749 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 14:51:05,770 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 14:51:05,770 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 14:51:05,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 14:51:05,775 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 14:51:05,777 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 14:51:05,779 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 14:51:05,782 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 14:51:05,783 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 14:51:05,785 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 14:51:05,786 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 14:51:05,787 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 14:51:05,788 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 14:51:05,789 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 14:51:05,790 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 14:51:05,792 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 14:51:05,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 14:51:05,796 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 14:51:05,797 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 14:51:05,798 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 14:51:05,801 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 14:51:05,811 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 14:51:05,834 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 14:51:05,834 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 14:51:05,835 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 14:51:05,835 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-24 14:51:05,836 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-24 14:51:05,836 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-24 14:51:05,836 INFO L133 SettingsManager]: * Use SBE=true [2018-10-24 14:51:05,837 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 14:51:05,837 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 14:51:05,837 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 14:51:05,837 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 14:51:05,837 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 14:51:05,838 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 14:51:05,838 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 14:51:05,838 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 14:51:05,838 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 14:51:05,838 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 14:51:05,839 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 14:51:05,839 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 14:51:05,839 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 14:51:05,839 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 14:51:05,839 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 14:51:05,840 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 14:51:05,840 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-24 14:51:05,840 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 14:51:05,840 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 14:51:05,840 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 14:51:05,841 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 14:51:05,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 14:51:05,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 14:51:05,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 14:51:05,906 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 14:51:05,906 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 14:51:05,907 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label31_true-unreach-call_false-termination.c [2018-10-24 14:51:05,966 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f16d95298/29999511cea8480c8bb2d50a8dcf3139/FLAG6a5b529c8 [2018-10-24 14:51:06,563 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 14:51:06,566 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label31_true-unreach-call_false-termination.c [2018-10-24 14:51:06,586 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f16d95298/29999511cea8480c8bb2d50a8dcf3139/FLAG6a5b529c8 [2018-10-24 14:51:06,601 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f16d95298/29999511cea8480c8bb2d50a8dcf3139 [2018-10-24 14:51:06,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 14:51:06,613 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 14:51:06,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 14:51:06,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 14:51:06,618 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 14:51:06,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:51:06" (1/1) ... [2018-10-24 14:51:06,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f637f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:06, skipping insertion in model container [2018-10-24 14:51:06,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:51:06" (1/1) ... [2018-10-24 14:51:06,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 14:51:06,692 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 14:51:07,222 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:51:07,228 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 14:51:07,361 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 14:51:07,383 INFO L193 MainTranslator]: Completed translation [2018-10-24 14:51:07,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:07 WrapperNode [2018-10-24 14:51:07,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 14:51:07,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 14:51:07,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 14:51:07,385 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 14:51:07,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:07" (1/1) ... [2018-10-24 14:51:07,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:07" (1/1) ... [2018-10-24 14:51:07,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 14:51:07,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 14:51:07,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 14:51:07,587 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 14:51:07,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:07" (1/1) ... [2018-10-24 14:51:07,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:07" (1/1) ... [2018-10-24 14:51:07,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:07" (1/1) ... [2018-10-24 14:51:07,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:07" (1/1) ... [2018-10-24 14:51:07,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:07" (1/1) ... [2018-10-24 14:51:07,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:07" (1/1) ... [2018-10-24 14:51:07,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:07" (1/1) ... [2018-10-24 14:51:07,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 14:51:07,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 14:51:07,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 14:51:07,664 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 14:51:07,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:07" (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 14:51:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-24 14:51:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 14:51:07,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 14:51:10,781 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 14:51:10,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:51:10 BoogieIcfgContainer [2018-10-24 14:51:10,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 14:51:10,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 14:51:10,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 14:51:10,787 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 14:51:10,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:51:06" (1/3) ... [2018-10-24 14:51:10,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415d0c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:51:10, skipping insertion in model container [2018-10-24 14:51:10,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:51:07" (2/3) ... [2018-10-24 14:51:10,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415d0c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:51:10, skipping insertion in model container [2018-10-24 14:51:10,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:51:10" (3/3) ... [2018-10-24 14:51:10,793 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label31_true-unreach-call_false-termination.c [2018-10-24 14:51:10,802 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 14:51:10,811 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 14:51:10,826 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 14:51:10,862 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-24 14:51:10,863 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 14:51:10,863 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 14:51:10,863 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 14:51:10,863 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 14:51:10,866 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 14:51:10,866 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 14:51:10,866 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 14:51:10,867 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 14:51:10,891 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2018-10-24 14:51:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-24 14:51:10,903 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:10,904 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] [2018-10-24 14:51:10,907 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:10,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:10,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1194330527, now seen corresponding path program 1 times [2018-10-24 14:51:10,916 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:10,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:10,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:10,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:10,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:11,438 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 14:51:11,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:11,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:51:11,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:51:11,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:51:11,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:51:11,470 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2018-10-24 14:51:13,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:13,129 INFO L93 Difference]: Finished difference Result 531 states and 918 transitions. [2018-10-24 14:51:13,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:51:13,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-10-24 14:51:13,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:13,149 INFO L225 Difference]: With dead ends: 531 [2018-10-24 14:51:13,149 INFO L226 Difference]: Without dead ends: 328 [2018-10-24 14:51:13,154 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 14:51:13,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-10-24 14:51:13,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2018-10-24 14:51:13,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-10-24 14:51:13,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 527 transitions. [2018-10-24 14:51:13,220 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 527 transitions. Word has length 93 [2018-10-24 14:51:13,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:13,221 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 527 transitions. [2018-10-24 14:51:13,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:51:13,222 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 527 transitions. [2018-10-24 14:51:13,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-24 14:51:13,227 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:13,227 INFO L375 BasicCegarLoop]: trace histogram [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 14:51:13,228 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:13,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:13,228 INFO L82 PathProgramCache]: Analyzing trace with hash 304582983, now seen corresponding path program 1 times [2018-10-24 14:51:13,228 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:13,229 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:13,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:13,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:13,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:13,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 14:51:13,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:13,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:51:13,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:51:13,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:51:13,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:51:13,427 INFO L87 Difference]: Start difference. First operand 328 states and 527 transitions. Second operand 3 states. [2018-10-24 14:51:14,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:14,645 INFO L93 Difference]: Finished difference Result 918 states and 1516 transitions. [2018-10-24 14:51:14,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:51:14,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-10-24 14:51:14,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:14,653 INFO L225 Difference]: With dead ends: 918 [2018-10-24 14:51:14,653 INFO L226 Difference]: Without dead ends: 592 [2018-10-24 14:51:14,655 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 14:51:14,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-10-24 14:51:14,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2018-10-24 14:51:14,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-10-24 14:51:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 901 transitions. [2018-10-24 14:51:14,693 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 901 transitions. Word has length 98 [2018-10-24 14:51:14,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:14,693 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 901 transitions. [2018-10-24 14:51:14,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:51:14,696 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 901 transitions. [2018-10-24 14:51:14,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-24 14:51:14,703 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:14,704 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2018-10-24 14:51:14,704 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:14,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:14,704 INFO L82 PathProgramCache]: Analyzing trace with hash 598699065, now seen corresponding path program 1 times [2018-10-24 14:51:14,707 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:14,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:14,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:14,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:14,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 14:51:14,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:14,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:51:14,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:51:14,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:51:14,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:51:14,851 INFO L87 Difference]: Start difference. First operand 592 states and 901 transitions. Second operand 3 states. [2018-10-24 14:51:16,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:16,357 INFO L93 Difference]: Finished difference Result 1446 states and 2264 transitions. [2018-10-24 14:51:16,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:51:16,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-10-24 14:51:16,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:16,364 INFO L225 Difference]: With dead ends: 1446 [2018-10-24 14:51:16,364 INFO L226 Difference]: Without dead ends: 856 [2018-10-24 14:51:16,367 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 14:51:16,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-10-24 14:51:16,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2018-10-24 14:51:16,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2018-10-24 14:51:16,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1329 transitions. [2018-10-24 14:51:16,417 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1329 transitions. Word has length 118 [2018-10-24 14:51:16,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:16,417 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 1329 transitions. [2018-10-24 14:51:16,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:51:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1329 transitions. [2018-10-24 14:51:16,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-24 14:51:16,420 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:16,421 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-10-24 14:51:16,421 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:16,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:16,422 INFO L82 PathProgramCache]: Analyzing trace with hash -205115665, now seen corresponding path program 1 times [2018-10-24 14:51:16,422 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:16,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:16,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:16,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:16,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-24 14:51:16,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:16,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:51:16,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:51:16,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:51:16,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:51:16,671 INFO L87 Difference]: Start difference. First operand 856 states and 1329 transitions. Second operand 4 states. [2018-10-24 14:51:19,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:19,729 INFO L93 Difference]: Finished difference Result 1845 states and 2828 transitions. [2018-10-24 14:51:19,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:51:19,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2018-10-24 14:51:19,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:19,736 INFO L225 Difference]: With dead ends: 1845 [2018-10-24 14:51:19,736 INFO L226 Difference]: Without dead ends: 991 [2018-10-24 14:51:19,737 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 14:51:19,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2018-10-24 14:51:19,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 988. [2018-10-24 14:51:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 988 states. [2018-10-24 14:51:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1467 transitions. [2018-10-24 14:51:19,759 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1467 transitions. Word has length 122 [2018-10-24 14:51:19,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:19,760 INFO L481 AbstractCegarLoop]: Abstraction has 988 states and 1467 transitions. [2018-10-24 14:51:19,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:51:19,760 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1467 transitions. [2018-10-24 14:51:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-24 14:51:19,763 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:19,763 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 14:51:19,763 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:19,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:19,764 INFO L82 PathProgramCache]: Analyzing trace with hash -2147440569, now seen corresponding path program 1 times [2018-10-24 14:51:19,764 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:19,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:19,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:19,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:19,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:19,985 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-24 14:51:19,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:19,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 14:51:19,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:51:19,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:51:19,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:51:19,987 INFO L87 Difference]: Start difference. First operand 988 states and 1467 transitions. Second operand 4 states. [2018-10-24 14:51:21,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:21,149 INFO L93 Difference]: Finished difference Result 2502 states and 3801 transitions. [2018-10-24 14:51:21,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:51:21,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 127 [2018-10-24 14:51:21,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:21,160 INFO L225 Difference]: With dead ends: 2502 [2018-10-24 14:51:21,160 INFO L226 Difference]: Without dead ends: 1648 [2018-10-24 14:51:21,162 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 14:51:21,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2018-10-24 14:51:21,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1648. [2018-10-24 14:51:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2018-10-24 14:51:21,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2282 transitions. [2018-10-24 14:51:21,194 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2282 transitions. Word has length 127 [2018-10-24 14:51:21,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:21,194 INFO L481 AbstractCegarLoop]: Abstraction has 1648 states and 2282 transitions. [2018-10-24 14:51:21,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:51:21,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2282 transitions. [2018-10-24 14:51:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-24 14:51:21,198 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:21,198 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-10-24 14:51:21,198 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:21,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:21,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1203720579, now seen corresponding path program 1 times [2018-10-24 14:51:21,199 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:21,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:21,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:21,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:21,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:21,333 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-24 14:51:21,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:21,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-24 14:51:21,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 14:51:21,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 14:51:21,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 14:51:21,335 INFO L87 Difference]: Start difference. First operand 1648 states and 2282 transitions. Second operand 3 states. [2018-10-24 14:51:23,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:23,262 INFO L93 Difference]: Finished difference Result 3162 states and 4424 transitions. [2018-10-24 14:51:23,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 14:51:23,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2018-10-24 14:51:23,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:23,273 INFO L225 Difference]: With dead ends: 3162 [2018-10-24 14:51:23,274 INFO L226 Difference]: Without dead ends: 1648 [2018-10-24 14:51:23,276 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 14:51:23,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2018-10-24 14:51:23,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1648. [2018-10-24 14:51:23,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2018-10-24 14:51:23,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2264 transitions. [2018-10-24 14:51:23,306 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2264 transitions. Word has length 130 [2018-10-24 14:51:23,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:23,307 INFO L481 AbstractCegarLoop]: Abstraction has 1648 states and 2264 transitions. [2018-10-24 14:51:23,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 14:51:23,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2264 transitions. [2018-10-24 14:51:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-24 14:51:23,311 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 14:51:23,311 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 14:51:23,311 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 14:51:23,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 14:51:23,312 INFO L82 PathProgramCache]: Analyzing trace with hash 395075510, now seen corresponding path program 1 times [2018-10-24 14:51:23,312 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-24 14:51:23,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-24 14:51:23,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:23,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 14:51:23,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 14:51:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 14:51:23,578 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-24 14:51:23,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 14:51:23,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 14:51:23,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 14:51:23,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 14:51:23,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:51:23,580 INFO L87 Difference]: Start difference. First operand 1648 states and 2264 transitions. Second operand 4 states. [2018-10-24 14:51:24,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 14:51:24,946 INFO L93 Difference]: Finished difference Result 5267 states and 7263 transitions. [2018-10-24 14:51:24,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 14:51:24,948 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2018-10-24 14:51:24,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 14:51:24,948 INFO L225 Difference]: With dead ends: 5267 [2018-10-24 14:51:24,949 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 14:51:24,960 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 14:51:24,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 14:51:24,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 14:51:24,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 14:51:24,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 14:51:24,961 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137 [2018-10-24 14:51:24,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 14:51:24,962 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 14:51:24,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 14:51:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 14:51:24,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 14:51:24,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 14:51:25,315 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 18 [2018-10-24 14:51:25,352 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-24 14:51:25,352 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-24 14:51:25,352 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,352 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,352 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,353 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,353 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,353 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,353 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-24 14:51:25,353 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-24 14:51:25,353 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-24 14:51:25,353 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-24 14:51:25,353 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-24 14:51:25,354 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-24 14:51:25,354 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-24 14:51:25,354 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-24 14:51:25,354 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-24 14:51:25,354 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-24 14:51:25,354 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,354 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,354 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,354 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,355 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,355 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,355 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-24 14:51:25,355 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-24 14:51:25,355 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-24 14:51:25,355 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-24 14:51:25,355 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-24 14:51:25,355 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-24 14:51:25,356 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-24 14:51:25,356 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-24 14:51:25,356 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-24 14:51:25,356 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-24 14:51:25,356 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-24 14:51:25,356 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-24 14:51:25,356 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-24 14:51:25,356 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-24 14:51:25,357 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-10-24 14:51:25,357 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,357 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,357 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,357 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,357 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,357 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-24 14:51:25,357 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-24 14:51:25,358 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-24 14:51:25,358 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-24 14:51:25,358 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-24 14:51:25,358 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-24 14:51:25,358 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-24 14:51:25,358 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-24 14:51:25,358 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-24 14:51:25,359 INFO L421 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1)) (.cse1 (not (= 6 ~a16~0)))) (or (and (not (= ~a7~0 1)) .cse0) (and .cse1 .cse0) (= ~a20~0 1) (and .cse1 (= ~a17~0 1)))) [2018-10-24 14:51:25,359 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,359 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,359 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,359 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,359 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,359 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-24 14:51:25,359 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-24 14:51:25,360 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-24 14:51:25,360 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-24 14:51:25,360 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-24 14:51:25,360 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-24 14:51:25,360 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-24 14:51:25,360 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-24 14:51:25,360 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-24 14:51:25,360 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-24 14:51:25,360 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-24 14:51:25,360 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-24 14:51:25,360 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-24 14:51:25,360 INFO L428 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-24 14:51:25,361 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-24 14:51:25,362 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-24 14:51:25,363 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-24 14:51:25,363 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-10-24 14:51:25,363 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-24 14:51:25,363 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-24 14:51:25,363 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-24 14:51:25,363 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-24 14:51:25,363 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-24 14:51:25,363 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-24 14:51:25,363 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-24 14:51:25,364 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,364 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,364 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,364 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a21~0 1)) (.cse1 (not (= 6 ~a16~0)))) (or (and (not (= ~a7~0 1)) .cse0) (and .cse1 .cse0) (= ~a20~0 1) (and .cse1 (= ~a17~0 1)))) [2018-10-24 14:51:25,364 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,364 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,364 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-24 14:51:25,364 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-24 14:51:25,364 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-24 14:51:25,365 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-24 14:51:25,365 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-24 14:51:25,365 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-24 14:51:25,365 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-24 14:51:25,365 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-24 14:51:25,365 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,365 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,365 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,366 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,366 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,366 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-24 14:51:25,366 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 14:51:25,366 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-24 14:51:25,366 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-24 14:51:25,366 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-24 14:51:25,366 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-24 14:51:25,367 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-24 14:51:25,367 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-24 14:51:25,367 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-24 14:51:25,367 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-24 14:51:25,367 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-24 14:51:25,367 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-24 14:51:25,367 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-24 14:51:25,367 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,368 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,368 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,368 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,368 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,368 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-24 14:51:25,368 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,368 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-24 14:51:25,368 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-24 14:51:25,368 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 14:51:25,369 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-24 14:51:25,369 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-24 14:51:25,369 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-24 14:51:25,369 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-24 14:51:25,369 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-24 14:51:25,369 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-24 14:51:25,369 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-24 14:51:25,369 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 452) no Hoare annotation was computed. [2018-10-24 14:51:25,370 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-24 14:51:25,370 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-24 14:51:25,370 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-24 14:51:25,370 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,370 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,370 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,370 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,370 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,370 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,371 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-24 14:51:25,371 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-24 14:51:25,371 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-24 14:51:25,371 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-24 14:51:25,371 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-24 14:51:25,371 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-24 14:51:25,371 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-24 14:51:25,371 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-24 14:51:25,371 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-24 14:51:25,372 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-24 14:51:25,372 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-24 14:51:25,372 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-24 14:51:25,372 INFO L425 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-10-24 14:51:25,372 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-24 14:51:25,372 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-24 14:51:25,372 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-24 14:51:25,372 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,372 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,372 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,373 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,373 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,373 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-10-24 14:51:25,373 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-24 14:51:25,373 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-24 14:51:25,373 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-24 14:51:25,373 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-24 14:51:25,373 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-24 14:51:25,373 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-24 14:51:25,373 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-24 14:51:25,374 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-24 14:51:25,374 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-24 14:51:25,374 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-24 14:51:25,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:51:25 BoogieIcfgContainer [2018-10-24 14:51:25,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 14:51:25,391 INFO L168 Benchmark]: Toolchain (without parser) took 18779.38 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 882.9 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -316.8 MB). Peak memory consumption was 566.1 MB. Max. memory is 7.1 GB. [2018-10-24 14:51:25,393 INFO L168 Benchmark]: CDTParser took 0.24 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 14:51:25,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.13 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 14:51:25,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 202.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-24 14:51:25,395 INFO L168 Benchmark]: Boogie Preprocessor took 76.75 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 14:51:25,396 INFO L168 Benchmark]: RCFGBuilder took 3118.67 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: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 7.1 GB. [2018-10-24 14:51:25,397 INFO L168 Benchmark]: TraceAbstraction took 14607.00 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 141.6 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 363.1 MB). Peak memory consumption was 504.6 MB. Max. memory is 7.1 GB. [2018-10-24 14:51:25,402 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 770.13 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 202.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -816.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.75 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 3118.67 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: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14607.00 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 141.6 MB). Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 363.1 MB). Peak memory consumption was 504.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 452]: 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: (((!(a7 == 1) && a21 == 1) || (!(6 == a16) && a21 == 1)) || a20 == 1) || (!(6 == a16) && a17 == 1) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a7 == 1) && a21 == 1) || (!(6 == a16) && a21 == 1)) || a20 == 1) || (!(6 == a16) && a17 == 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, 14.5s OverallTime, 7 OverallIterations, 5 TraceHistogramMax, 12.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 925 SDtfs, 1753 SDslu, 368 SDs, 0 SdLazy, 3352 SolverSat, 956 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1648occurred in iteration=5, 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 61 NumberOfFragments, 57 HoareAnnotationTreeSize, 3 FomulaSimplifications, 638 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 825 NumberOfCodeBlocks, 825 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 818 ConstructedInterpolants, 0 QuantifiedInterpolants, 209201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 276/276 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...