java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem16_label18_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 00:32:41,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 00:32:41,665 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 00:32:41,678 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 00:32:41,682 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 00:32:41,683 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 00:32:41,685 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 00:32:41,688 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 00:32:41,691 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 00:32:41,694 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 00:32:41,695 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 00:32:41,695 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 00:32:41,696 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 00:32:41,702 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 00:32:41,704 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 00:32:41,705 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 00:32:41,706 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 00:32:41,711 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 00:32:41,715 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 00:32:41,719 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 00:32:41,720 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 00:32:41,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 00:32:41,725 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 00:32:41,739 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 00:32:41,769 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 00:32:41,770 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 00:32:41,770 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 00:32:41,771 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 00:32:41,771 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 00:32:41,771 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 00:32:41,771 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 00:32:41,771 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 00:32:41,772 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 00:32:41,772 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 00:32:41,773 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 00:32:41,773 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 00:32:41,773 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 00:32:41,774 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 00:32:41,774 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 00:32:41,774 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 00:32:41,774 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 00:32:41,774 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 00:32:41,774 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 00:32:41,775 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 00:32:41,775 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 00:32:41,776 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 00:32:41,776 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 00:32:41,776 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 00:32:41,776 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:32:41,776 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 00:32:41,777 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 00:32:41,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 00:32:41,778 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 00:32:41,778 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 00:32:41,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 00:32:41,778 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 00:32:41,779 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 00:32:41,780 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 00:32:41,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 00:32:41,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 00:32:41,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 00:32:41,848 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 00:32:41,848 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 00:32:41,849 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label18_false-unreach-call.c [2018-11-07 00:32:41,906 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/662f55b93/fcb6a480ee2547e389c5490890c4a63c/FLAG1acc58fed [2018-11-07 00:32:42,533 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 00:32:42,534 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label18_false-unreach-call.c [2018-11-07 00:32:42,551 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/662f55b93/fcb6a480ee2547e389c5490890c4a63c/FLAG1acc58fed [2018-11-07 00:32:42,566 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/662f55b93/fcb6a480ee2547e389c5490890c4a63c [2018-11-07 00:32:42,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 00:32:42,579 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 00:32:42,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 00:32:42,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 00:32:42,584 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 00:32:42,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:32:42" (1/1) ... [2018-11-07 00:32:42,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710be24e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:42, skipping insertion in model container [2018-11-07 00:32:42,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:32:42" (1/1) ... [2018-11-07 00:32:42,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 00:32:42,688 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 00:32:43,412 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:32:43,417 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 00:32:43,670 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 00:32:43,690 INFO L193 MainTranslator]: Completed translation [2018-11-07 00:32:43,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:43 WrapperNode [2018-11-07 00:32:43,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 00:32:43,692 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 00:32:43,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 00:32:43,692 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 00:32:43,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:43" (1/1) ... [2018-11-07 00:32:43,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:43" (1/1) ... [2018-11-07 00:32:43,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 00:32:43,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 00:32:43,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 00:32:43,899 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 00:32:43,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:43" (1/1) ... [2018-11-07 00:32:43,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:43" (1/1) ... [2018-11-07 00:32:43,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:43" (1/1) ... [2018-11-07 00:32:43,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:43" (1/1) ... [2018-11-07 00:32:43,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:43" (1/1) ... [2018-11-07 00:32:44,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:43" (1/1) ... [2018-11-07 00:32:44,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:43" (1/1) ... [2018-11-07 00:32:44,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 00:32:44,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 00:32:44,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 00:32:44,042 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 00:32:44,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 00:32:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 00:32:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 00:32:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 00:32:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 00:32:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 00:32:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 00:32:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 00:32:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 00:32:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 00:32:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 00:32:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 00:32:49,927 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 00:32:49,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:32:49 BoogieIcfgContainer [2018-11-07 00:32:49,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 00:32:49,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 00:32:49,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 00:32:49,933 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 00:32:49,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:32:42" (1/3) ... [2018-11-07 00:32:49,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0c1f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:32:49, skipping insertion in model container [2018-11-07 00:32:49,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:32:43" (2/3) ... [2018-11-07 00:32:49,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d0c1f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:32:49, skipping insertion in model container [2018-11-07 00:32:49,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:32:49" (3/3) ... [2018-11-07 00:32:49,937 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label18_false-unreach-call.c [2018-11-07 00:32:49,948 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 00:32:49,959 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 00:32:49,977 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 00:32:50,021 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 00:32:50,021 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 00:32:50,021 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 00:32:50,022 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 00:32:50,022 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 00:32:50,022 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 00:32:50,022 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 00:32:50,022 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 00:32:50,059 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-07 00:32:50,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-07 00:32:50,066 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:32:50,067 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:32:50,069 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:32:50,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:32:50,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1130259964, now seen corresponding path program 1 times [2018-11-07 00:32:50,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:32:50,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:32:50,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:32:50,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:32:50,127 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:32:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:32:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:32:50,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:32:50,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 00:32:50,413 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:32:50,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 00:32:50,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 00:32:50,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:32:50,433 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-07 00:32:53,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:32:53,760 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-07 00:32:53,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 00:32:53,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-07 00:32:53,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:32:53,788 INFO L225 Difference]: With dead ends: 1156 [2018-11-07 00:32:53,789 INFO L226 Difference]: Without dead ends: 744 [2018-11-07 00:32:53,799 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 00:32:53,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-07 00:32:53,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-07 00:32:53,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-07 00:32:53,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-11-07 00:32:53,915 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 14 [2018-11-07 00:32:53,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:32:53,915 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-11-07 00:32:53,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 00:32:53,916 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-11-07 00:32:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-07 00:32:53,921 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:32:53,922 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 00:32:53,922 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:32:53,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:32:53,922 INFO L82 PathProgramCache]: Analyzing trace with hash -3982677, now seen corresponding path program 1 times [2018-11-07 00:32:53,923 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:32:53,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:32:53,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:32:53,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:32:53,924 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:32:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:32:54,242 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:32:54,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:32:54,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:32:54,243 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:32:54,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:32:54,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:32:54,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:32:54,246 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 6 states. [2018-11-07 00:32:59,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:32:59,829 INFO L93 Difference]: Finished difference Result 2191 states and 4077 transitions. [2018-11-07 00:32:59,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:32:59,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-07 00:32:59,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:32:59,843 INFO L225 Difference]: With dead ends: 2191 [2018-11-07 00:32:59,843 INFO L226 Difference]: Without dead ends: 1453 [2018-11-07 00:32:59,847 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 00:32:59,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2018-11-07 00:32:59,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1436. [2018-11-07 00:32:59,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1436 states. [2018-11-07 00:32:59,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2556 transitions. [2018-11-07 00:32:59,919 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2556 transitions. Word has length 85 [2018-11-07 00:32:59,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:32:59,920 INFO L480 AbstractCegarLoop]: Abstraction has 1436 states and 2556 transitions. [2018-11-07 00:32:59,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:32:59,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2556 transitions. [2018-11-07 00:32:59,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-07 00:32:59,923 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:32:59,924 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-07 00:32:59,924 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:32:59,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:32:59,924 INFO L82 PathProgramCache]: Analyzing trace with hash 461895267, now seen corresponding path program 1 times [2018-11-07 00:32:59,924 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:32:59,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:32:59,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:32:59,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:32:59,926 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:32:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:33:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:33:00,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:33:00,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:33:00,149 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:33:00,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:33:00,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:33:00,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:33:00,150 INFO L87 Difference]: Start difference. First operand 1436 states and 2556 transitions. Second operand 6 states. [2018-11-07 00:33:05,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:33:05,468 INFO L93 Difference]: Finished difference Result 3925 states and 7037 transitions. [2018-11-07 00:33:05,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:33:05,476 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-07 00:33:05,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:33:05,495 INFO L225 Difference]: With dead ends: 3925 [2018-11-07 00:33:05,496 INFO L226 Difference]: Without dead ends: 2495 [2018-11-07 00:33:05,504 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 00:33:05,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2018-11-07 00:33:05,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2466. [2018-11-07 00:33:05,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2466 states. [2018-11-07 00:33:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2466 states and 4043 transitions. [2018-11-07 00:33:05,604 INFO L78 Accepts]: Start accepts. Automaton has 2466 states and 4043 transitions. Word has length 89 [2018-11-07 00:33:05,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:33:05,607 INFO L480 AbstractCegarLoop]: Abstraction has 2466 states and 4043 transitions. [2018-11-07 00:33:05,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:33:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 4043 transitions. [2018-11-07 00:33:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-07 00:33:05,610 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:33:05,613 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:33:05,613 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:33:05,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:33:05,614 INFO L82 PathProgramCache]: Analyzing trace with hash -179153430, now seen corresponding path program 1 times [2018-11-07 00:33:05,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:33:05,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:33:05,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:33:05,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:33:05,618 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:33:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:33:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:33:05,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:33:05,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:33:05,910 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:33:05,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:33:05,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:33:05,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:33:05,912 INFO L87 Difference]: Start difference. First operand 2466 states and 4043 transitions. Second operand 6 states. [2018-11-07 00:33:09,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:33:09,953 INFO L93 Difference]: Finished difference Result 6972 states and 11519 transitions. [2018-11-07 00:33:09,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:33:09,956 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-11-07 00:33:09,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:33:09,984 INFO L225 Difference]: With dead ends: 6972 [2018-11-07 00:33:09,985 INFO L226 Difference]: Without dead ends: 4512 [2018-11-07 00:33:10,002 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 00:33:10,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2018-11-07 00:33:10,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4480. [2018-11-07 00:33:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4480 states. [2018-11-07 00:33:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4480 states to 4480 states and 6527 transitions. [2018-11-07 00:33:10,120 INFO L78 Accepts]: Start accepts. Automaton has 4480 states and 6527 transitions. Word has length 120 [2018-11-07 00:33:10,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:33:10,120 INFO L480 AbstractCegarLoop]: Abstraction has 4480 states and 6527 transitions. [2018-11-07 00:33:10,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:33:10,121 INFO L276 IsEmpty]: Start isEmpty. Operand 4480 states and 6527 transitions. [2018-11-07 00:33:10,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-07 00:33:10,124 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:33:10,125 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:33:10,125 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:33:10,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:33:10,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1769086126, now seen corresponding path program 1 times [2018-11-07 00:33:10,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:33:10,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:33:10,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:33:10,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:33:10,129 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:33:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:33:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 00:33:10,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 00:33:10,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 00:33:10,383 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:33:10,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 00:33:10,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 00:33:10,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-07 00:33:10,385 INFO L87 Difference]: Start difference. First operand 4480 states and 6527 transitions. Second operand 6 states. [2018-11-07 00:33:16,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:33:16,046 INFO L93 Difference]: Finished difference Result 16709 states and 25873 transitions. [2018-11-07 00:33:16,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 00:33:16,047 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-07 00:33:16,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:33:16,124 INFO L225 Difference]: With dead ends: 16709 [2018-11-07 00:33:16,125 INFO L226 Difference]: Without dead ends: 12235 [2018-11-07 00:33:16,175 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-07 00:33:16,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12235 states. [2018-11-07 00:33:16,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12235 to 12228. [2018-11-07 00:33:16,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12228 states. [2018-11-07 00:33:16,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12228 states to 12228 states and 17609 transitions. [2018-11-07 00:33:16,509 INFO L78 Accepts]: Start accepts. Automaton has 12228 states and 17609 transitions. Word has length 164 [2018-11-07 00:33:16,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:33:16,510 INFO L480 AbstractCegarLoop]: Abstraction has 12228 states and 17609 transitions. [2018-11-07 00:33:16,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 00:33:16,510 INFO L276 IsEmpty]: Start isEmpty. Operand 12228 states and 17609 transitions. [2018-11-07 00:33:16,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-07 00:33:16,521 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:33:16,521 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:33:16,521 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:33:16,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:33:16,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1438063964, now seen corresponding path program 1 times [2018-11-07 00:33:16,522 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:33:16,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:33:16,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:33:16,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:33:16,523 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:33:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:33:16,775 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 00:33:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 14 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 00:33:16,824 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 00:33:16,824 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 00:33:16,825 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 237 with the following transitions: [2018-11-07 00:33:16,827 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [191], [193], [196], [204], [212], [220], [228], [236], [244], [252], [260], [268], [276], [284], [292], [300], [308], [316], [324], [332], [340], [348], [356], [364], [372], [380], [388], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-07 00:33:16,904 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 00:33:16,904 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 00:33:18,605 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 00:33:21,197 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 00:33:21,198 INFO L272 AbstractInterpreter]: Visited 155 different actions 155 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 00:33:21,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:33:21,240 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 00:33:23,299 INFO L227 lantSequenceWeakener]: Weakened 228 states. On average, predicates are now at 77.28% of their original sizes. [2018-11-07 00:33:23,300 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 00:33:23,910 INFO L415 sIntCurrentIteration]: We unified 235 AI predicates to 235 [2018-11-07 00:33:23,911 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 00:33:23,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 00:33:23,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2018-11-07 00:33:23,912 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:33:23,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 00:33:23,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 00:33:23,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-07 00:33:23,914 INFO L87 Difference]: Start difference. First operand 12228 states and 17609 transitions. Second operand 8 states. [2018-11-07 00:34:13,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 00:34:13,983 INFO L93 Difference]: Finished difference Result 24790 states and 35676 transitions. [2018-11-07 00:34:13,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 00:34:13,983 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 236 [2018-11-07 00:34:13,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 00:34:14,047 INFO L225 Difference]: With dead ends: 24790 [2018-11-07 00:34:14,047 INFO L226 Difference]: Without dead ends: 12568 [2018-11-07 00:34:14,106 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 237 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 00:34:14,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12568 states. [2018-11-07 00:34:14,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12568 to 12566. [2018-11-07 00:34:14,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12566 states. [2018-11-07 00:34:14,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12566 states to 12566 states and 17957 transitions. [2018-11-07 00:34:14,451 INFO L78 Accepts]: Start accepts. Automaton has 12566 states and 17957 transitions. Word has length 236 [2018-11-07 00:34:14,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 00:34:14,452 INFO L480 AbstractCegarLoop]: Abstraction has 12566 states and 17957 transitions. [2018-11-07 00:34:14,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 00:34:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 12566 states and 17957 transitions. [2018-11-07 00:34:14,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-11-07 00:34:14,462 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 00:34:14,462 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 00:34:14,463 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 00:34:14,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:34:14,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1495994740, now seen corresponding path program 1 times [2018-11-07 00:34:14,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 00:34:14,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:34:14,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 00:34:14,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 00:34:14,465 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 00:34:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 00:34:14,814 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 00:34:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 15 proven. 22 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-07 00:34:15,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 00:34:15,253 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 00:34:15,253 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 257 with the following transitions: [2018-11-07 00:34:15,254 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [191], [193], [196], [204], [212], [220], [228], [236], [244], [252], [260], [268], [276], [284], [292], [300], [308], [316], [324], [332], [340], [348], [356], [364], [372], [380], [388], [396], [404], [412], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [992], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-07 00:34:15,266 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 00:34:15,266 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 00:34:16,909 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 00:34:30,839 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 00:34:30,839 INFO L272 AbstractInterpreter]: Visited 158 different actions 465 times. Merged at 5 different actions 13 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 00:34:30,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 00:34:30,847 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 00:34:34,276 INFO L227 lantSequenceWeakener]: Weakened 33 states. On average, predicates are now at 78.57% of their original sizes. [2018-11-07 00:34:34,277 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 00:35:19,171 INFO L415 sIntCurrentIteration]: We unified 255 AI predicates to 255 [2018-11-07 00:35:19,172 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 00:35:19,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 00:35:19,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [6] total 26 [2018-11-07 00:35:19,172 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 00:35:19,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-07 00:35:19,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-07 00:35:19,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2018-11-07 00:35:19,174 INFO L87 Difference]: Start difference. First operand 12566 states and 17957 transitions. Second operand 22 states. Received shutdown request... [2018-11-07 00:36:31,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-07 00:36:31,570 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 00:36:31,576 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 00:36:31,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:36:31 BoogieIcfgContainer [2018-11-07 00:36:31,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 00:36:31,578 INFO L168 Benchmark]: Toolchain (without parser) took 228999.65 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.1 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-11-07 00:36:31,579 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-11-07 00:36:31,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1111.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-11-07 00:36:31,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 207.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -877.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2018-11-07 00:36:31,583 INFO L168 Benchmark]: Boogie Preprocessor took 141.92 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. [2018-11-07 00:36:31,584 INFO L168 Benchmark]: RCFGBuilder took 5886.65 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 257.7 MB). Peak memory consumption was 257.7 MB. Max. memory is 7.1 GB. [2018-11-07 00:36:31,586 INFO L168 Benchmark]: TraceAbstraction took 221647.13 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 784.8 MB. Max. memory is 7.1 GB. [2018-11-07 00:36:31,595 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 1111.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 207.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -877.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.92 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 5886.65 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 257.7 MB). Peak memory consumption was 257.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 221647.13 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 3.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 784.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 28]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 28). Cancelled while BasicCegarLoop was constructing difference of abstraction (12566states) and FLOYD_HOARE automaton (currently 16 states, 22 states before enhancement),while ReachableStatesComputation was computing reachable states (533 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 221.5s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 146.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 946 SDtfs, 8731 SDslu, 821 SDs, 0 SdLazy, 13770 SolverSat, 3239 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 544 GetRequests, 425 SyntacticMatches, 55 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 48.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12566occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 20.0s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9955338657202011 AbsIntWeakeningRatio, 0.10612244897959183 AbsIntAvgWeakeningVarsNumRemoved, 556.1142857142858 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 87 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 964 NumberOfCodeBlocks, 964 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 957 ConstructedInterpolants, 0 QuantifiedInterpolants, 727018 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 131/220 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown