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/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 19:16:56,935 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 19:16:56,937 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 19:16:56,950 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 19:16:56,950 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 19:16:56,951 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 19:16:56,953 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 19:16:56,955 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 19:16:56,957 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 19:16:56,957 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 19:16:56,958 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 19:16:56,959 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 19:16:56,960 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 19:16:56,961 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 19:16:56,962 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 19:16:56,963 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 19:16:56,965 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 19:16:56,967 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 19:16:56,969 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 19:16:56,971 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 19:16:56,972 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 19:16:56,973 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 19:16:56,976 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 19:16:56,985 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 19:16:57,003 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 19:16:57,003 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 19:16:57,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 19:16:57,004 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 19:16:57,005 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 19:16:57,006 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 19:16:57,006 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 19:16:57,006 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 19:16:57,006 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 19:16:57,007 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 19:16:57,007 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 19:16:57,007 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 19:16:57,008 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 19:16:57,008 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 19:16:57,009 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 19:16:57,009 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 19:16:57,009 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 19:16:57,009 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 19:16:57,009 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 19:16:57,010 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 19:16:57,010 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 19:16:57,010 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 19:16:57,010 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 19:16:57,010 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 19:16:57,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 19:16:57,011 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 19:16:57,011 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 19:16:57,011 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 19:16:57,012 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 19:16:57,013 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 19:16:57,013 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 19:16:57,013 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 19:16:57,014 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 19:16:57,014 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 19:16:57,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 19:16:57,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 19:16:57,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 19:16:57,106 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 19:16:57,107 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 19:16:57,107 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c [2018-10-24 19:16:57,174 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e2acef86f/98b1d4cc9605416fa60f523a941c87a2/FLAG35df95d5e [2018-10-24 19:16:57,776 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 19:16:57,781 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label36_true-unreach-call_false-termination.c [2018-10-24 19:16:57,805 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e2acef86f/98b1d4cc9605416fa60f523a941c87a2/FLAG35df95d5e [2018-10-24 19:16:57,828 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e2acef86f/98b1d4cc9605416fa60f523a941c87a2 [2018-10-24 19:16:57,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 19:16:57,841 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 19:16:57,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 19:16:57,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 19:16:57,850 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 19:16:57,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:16:57" (1/1) ... [2018-10-24 19:16:57,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ddff4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:57, skipping insertion in model container [2018-10-24 19:16:57,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:16:57" (1/1) ... [2018-10-24 19:16:57,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 19:16:57,937 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 19:16:58,404 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:16:58,409 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 19:16:58,531 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:16:58,555 INFO L193 MainTranslator]: Completed translation [2018-10-24 19:16:58,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:58 WrapperNode [2018-10-24 19:16:58,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 19:16:58,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 19:16:58,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 19:16:58,557 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 19:16:58,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:58" (1/1) ... [2018-10-24 19:16:58,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:58" (1/1) ... [2018-10-24 19:16:58,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 19:16:58,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 19:16:58,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 19:16:58,748 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 19:16:58,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:58" (1/1) ... [2018-10-24 19:16:58,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:58" (1/1) ... [2018-10-24 19:16:58,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:58" (1/1) ... [2018-10-24 19:16:58,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:58" (1/1) ... [2018-10-24 19:16:58,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:58" (1/1) ... [2018-10-24 19:16:58,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:58" (1/1) ... [2018-10-24 19:16:58,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:58" (1/1) ... [2018-10-24 19:16:58,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 19:16:58,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 19:16:58,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 19:16:58,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 19:16:58,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:58" (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 19:16:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 19:16:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 19:16:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 19:16:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 19:16:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 19:16:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 19:16:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 19:16:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 19:17:02,381 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 19:17:02,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:17:02 BoogieIcfgContainer [2018-10-24 19:17:02,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 19:17:02,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 19:17:02,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 19:17:02,394 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 19:17:02,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:16:57" (1/3) ... [2018-10-24 19:17:02,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716fdbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:17:02, skipping insertion in model container [2018-10-24 19:17:02,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:16:58" (2/3) ... [2018-10-24 19:17:02,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716fdbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:17:02, skipping insertion in model container [2018-10-24 19:17:02,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:17:02" (3/3) ... [2018-10-24 19:17:02,400 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label36_true-unreach-call_false-termination.c [2018-10-24 19:17:02,413 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 19:17:02,424 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 19:17:02,442 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 19:17:02,481 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 19:17:02,481 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 19:17:02,482 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 19:17:02,482 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 19:17:02,482 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 19:17:02,482 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 19:17:02,482 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 19:17:02,483 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 19:17:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-10-24 19:17:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-24 19:17:02,524 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:17:02,525 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:17:02,527 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:17:02,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:17:02,535 INFO L82 PathProgramCache]: Analyzing trace with hash 554006597, now seen corresponding path program 1 times [2018-10-24 19:17:02,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:17:02,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:17:02,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:17:02,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:17:02,587 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:17:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:17:03,102 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:17:03,166 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 19:17:03,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:17:03,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 19:17:03,170 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:17:03,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 19:17:03,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 19:17:03,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:17:03,194 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-10-24 19:17:04,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:17:04,842 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-10-24 19:17:04,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 19:17:04,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-10-24 19:17:04,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:17:04,864 INFO L225 Difference]: With dead ends: 550 [2018-10-24 19:17:04,864 INFO L226 Difference]: Without dead ends: 340 [2018-10-24 19:17:04,871 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:17:04,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-10-24 19:17:04,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-10-24 19:17:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-24 19:17:04,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-10-24 19:17:04,946 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 109 [2018-10-24 19:17:04,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:17:04,947 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-10-24 19:17:04,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 19:17:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-10-24 19:17:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-24 19:17:04,954 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:17:04,955 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:17:04,955 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:17:04,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:17:04,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1974723782, now seen corresponding path program 1 times [2018-10-24 19:17:04,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:17:04,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:17:04,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:17:04,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:17:04,958 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:17:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:17:05,181 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:17:05,259 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:17:05,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:17:05,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:17:05,260 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:17:05,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:17:05,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:17:05,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:17:05,263 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-10-24 19:17:07,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:17:07,088 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-10-24 19:17:07,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:17:07,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-10-24 19:17:07,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:17:07,103 INFO L225 Difference]: With dead ends: 1075 [2018-10-24 19:17:07,103 INFO L226 Difference]: Without dead ends: 741 [2018-10-24 19:17:07,110 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 19:17:07,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-10-24 19:17:07,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-10-24 19:17:07,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-10-24 19:17:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-10-24 19:17:07,165 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 120 [2018-10-24 19:17:07,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:17:07,165 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-10-24 19:17:07,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:17:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-10-24 19:17:07,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-24 19:17:07,174 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:17:07,174 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:17:07,175 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:17:07,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:17:07,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1981607182, now seen corresponding path program 1 times [2018-10-24 19:17:07,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:17:07,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:17:07,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:17:07,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:17:07,177 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:17:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:17:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:17:07,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:17:07,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 19:17:07,676 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:17:07,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 19:17:07,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 19:17:07,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 19:17:07,677 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 5 states. [2018-10-24 19:17:09,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:17:09,790 INFO L93 Difference]: Finished difference Result 1578 states and 2533 transitions. [2018-10-24 19:17:09,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 19:17:09,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 121 [2018-10-24 19:17:09,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:17:09,802 INFO L225 Difference]: With dead ends: 1578 [2018-10-24 19:17:09,802 INFO L226 Difference]: Without dead ends: 721 [2018-10-24 19:17:09,808 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 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 19:17:09,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-10-24 19:17:09,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-10-24 19:17:09,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-10-24 19:17:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1069 transitions. [2018-10-24 19:17:09,853 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1069 transitions. Word has length 121 [2018-10-24 19:17:09,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:17:09,854 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 1069 transitions. [2018-10-24 19:17:09,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 19:17:09,854 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1069 transitions. [2018-10-24 19:17:09,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-24 19:17:09,858 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:17:09,858 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:17:09,859 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:17:09,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:17:09,859 INFO L82 PathProgramCache]: Analyzing trace with hash -62569142, now seen corresponding path program 1 times [2018-10-24 19:17:09,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:17:09,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:17:09,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:17:09,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:17:09,861 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:17:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:17:10,551 WARN L179 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-10-24 19:17:10,667 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:17:10,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:17:10,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 19:17:10,668 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:17:10,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 19:17:10,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 19:17:10,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 19:17:10,670 INFO L87 Difference]: Start difference. First operand 721 states and 1069 transitions. Second operand 5 states. [2018-10-24 19:17:11,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:17:11,807 INFO L93 Difference]: Finished difference Result 1572 states and 2365 transitions. [2018-10-24 19:17:11,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 19:17:11,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2018-10-24 19:17:11,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:17:11,812 INFO L225 Difference]: With dead ends: 1572 [2018-10-24 19:17:11,812 INFO L226 Difference]: Without dead ends: 720 [2018-10-24 19:17:11,816 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-24 19:17:11,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-10-24 19:17:11,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2018-10-24 19:17:11,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-10-24 19:17:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1062 transitions. [2018-10-24 19:17:11,840 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1062 transitions. Word has length 122 [2018-10-24 19:17:11,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:17:11,841 INFO L481 AbstractCegarLoop]: Abstraction has 720 states and 1062 transitions. [2018-10-24 19:17:11,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 19:17:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1062 transitions. [2018-10-24 19:17:11,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-24 19:17:11,844 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:17:11,844 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:17:11,844 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:17:11,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:17:11,845 INFO L82 PathProgramCache]: Analyzing trace with hash -640930054, now seen corresponding path program 1 times [2018-10-24 19:17:11,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:17:11,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:17:11,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:17:11,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:17:11,846 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:17:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:17:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:17:12,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:17:12,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 19:17:12,150 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:17:12,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 19:17:12,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 19:17:12,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:17:12,151 INFO L87 Difference]: Start difference. First operand 720 states and 1062 transitions. Second operand 3 states. [2018-10-24 19:17:12,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:17:12,780 INFO L93 Difference]: Finished difference Result 1708 states and 2603 transitions. [2018-10-24 19:17:12,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 19:17:12,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-10-24 19:17:12,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:17:12,794 INFO L225 Difference]: With dead ends: 1708 [2018-10-24 19:17:12,794 INFO L226 Difference]: Without dead ends: 994 [2018-10-24 19:17:12,797 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:17:12,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-10-24 19:17:12,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 994. [2018-10-24 19:17:12,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 994 states. [2018-10-24 19:17:12,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1398 transitions. [2018-10-24 19:17:12,825 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1398 transitions. Word has length 125 [2018-10-24 19:17:12,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:17:12,826 INFO L481 AbstractCegarLoop]: Abstraction has 994 states and 1398 transitions. [2018-10-24 19:17:12,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 19:17:12,826 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1398 transitions. [2018-10-24 19:17:12,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-24 19:17:12,830 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:17:12,830 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:17:12,831 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:17:12,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:17:12,831 INFO L82 PathProgramCache]: Analyzing trace with hash -13725370, now seen corresponding path program 1 times [2018-10-24 19:17:12,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:17:12,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:17:12,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:17:12,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:17:12,833 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:17:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:17:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:17:13,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:17:13,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 19:17:13,079 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:17:13,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 19:17:13,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 19:17:13,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 19:17:13,080 INFO L87 Difference]: Start difference. First operand 994 states and 1398 transitions. Second operand 4 states. [2018-10-24 19:17:14,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:17:14,755 INFO L93 Difference]: Finished difference Result 2245 states and 3166 transitions. [2018-10-24 19:17:14,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 19:17:14,757 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 163 [2018-10-24 19:17:14,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:17:14,757 INFO L225 Difference]: With dead ends: 2245 [2018-10-24 19:17:14,757 INFO L226 Difference]: Without dead ends: 0 [2018-10-24 19:17:14,764 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 19:17:14,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-24 19:17:14,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-24 19:17:14,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-24 19:17:14,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-24 19:17:14,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 163 [2018-10-24 19:17:14,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:17:14,765 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-24 19:17:14,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 19:17:14,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-24 19:17:14,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-24 19:17:14,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-24 19:17:15,592 WARN L179 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2018-10-24 19:17:15,683 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-24 19:17:15,683 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a16~0)| ~a16~0) [2018-10-24 19:17:15,684 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-24 19:17:15,684 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-10-24 19:17:15,684 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-10-24 19:17:15,685 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,685 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,685 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,685 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,685 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,685 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,686 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-10-24 19:17:15,686 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-10-24 19:17:15,686 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-10-24 19:17:15,686 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-10-24 19:17:15,686 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-10-24 19:17:15,686 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-10-24 19:17:15,686 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-10-24 19:17:15,687 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-10-24 19:17:15,687 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-10-24 19:17:15,687 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-10-24 19:17:15,687 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,687 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,687 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,688 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,688 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,688 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,688 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-10-24 19:17:15,688 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-10-24 19:17:15,688 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-10-24 19:17:15,688 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-10-24 19:17:15,689 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-10-24 19:17:15,689 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-10-24 19:17:15,689 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-10-24 19:17:15,689 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-10-24 19:17:15,689 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-10-24 19:17:15,689 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-10-24 19:17:15,690 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-10-24 19:17:15,690 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-10-24 19:17:15,690 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-10-24 19:17:15,690 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-10-24 19:17:15,690 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-10-24 19:17:15,690 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,690 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,691 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,691 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,691 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,691 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-10-24 19:17:15,691 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-10-24 19:17:15,691 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-10-24 19:17:15,691 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-10-24 19:17:15,691 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-10-24 19:17:15,692 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-10-24 19:17:15,692 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-10-24 19:17:15,692 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-10-24 19:17:15,692 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-10-24 19:17:15,692 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,692 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,692 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,693 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,693 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,693 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-10-24 19:17:15,693 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-10-24 19:17:15,693 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-10-24 19:17:15,693 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-10-24 19:17:15,693 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-10-24 19:17:15,694 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-10-24 19:17:15,694 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-10-24 19:17:15,694 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-10-24 19:17:15,694 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-10-24 19:17:15,694 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-10-24 19:17:15,694 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-10-24 19:17:15,694 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-10-24 19:17:15,695 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-10-24 19:17:15,695 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,695 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,695 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,695 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,695 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,695 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-10-24 19:17:15,696 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-10-24 19:17:15,696 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-10-24 19:17:15,696 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-10-24 19:17:15,696 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-10-24 19:17:15,696 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-10-24 19:17:15,696 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-10-24 19:17:15,696 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-10-24 19:17:15,696 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-10-24 19:17:15,697 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,697 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,697 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,697 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,697 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,697 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,697 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-10-24 19:17:15,698 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,698 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-10-24 19:17:15,698 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-10-24 19:17:15,698 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-10-24 19:17:15,698 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-10-24 19:17:15,698 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-10-24 19:17:15,698 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-10-24 19:17:15,699 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-10-24 19:17:15,699 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-10-24 19:17:15,699 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-10-24 19:17:15,699 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-10-24 19:17:15,699 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-10-24 19:17:15,699 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-10-24 19:17:15,699 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-10-24 19:17:15,700 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,700 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,700 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,700 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,700 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,700 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-10-24 19:17:15,700 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-10-24 19:17:15,701 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-10-24 19:17:15,701 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-10-24 19:17:15,701 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-10-24 19:17:15,701 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-10-24 19:17:15,701 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-10-24 19:17:15,701 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-10-24 19:17:15,701 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,701 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,702 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,702 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,702 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,702 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-10-24 19:17:15,702 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-10-24 19:17:15,702 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-10-24 19:17:15,703 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-10-24 19:17:15,703 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-10-24 19:17:15,703 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-10-24 19:17:15,703 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-10-24 19:17:15,703 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-10-24 19:17:15,704 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-10-24 19:17:15,704 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-10-24 19:17:15,704 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse12 (= 13 |old(~a8~0)|)) (.cse13 (= 1 |old(~a21~0)|))) (let ((.cse0 (not .cse13)) (.cse2 (not (= 1 |old(~a20~0)|))) (.cse3 (not (= 4 |old(~a16~0)|))) (.cse5 (= 1 ~a20~0)) (.cse6 (= 13 ~a8~0)) (.cse7 (= 1 ~a21~0)) (.cse8 (= 1 ~a17~0)) (.cse1 (= 1 |old(~a7~0)|)) (.cse9 (not .cse12)) (.cse10 (not (= 1 |old(~a17~0)|))) (.cse11 (= |old(~a16~0)| ~a16~0)) (.cse4 (not (= 8 ~a12~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and (not (= ~a7~0 1)) .cse5 .cse6 .cse7 .cse8) .cse9 .cse10) (or .cse11 .cse12 .cse4) (or .cse0 .cse2 .cse3 (and (= 1 ~a7~0) .cse5 .cse6 .cse7 .cse8) .cse4 (not .cse1) .cse9 .cse10) (or .cse13 .cse4 (and (not (= ~a21~0 1)) .cse11)) (or (= 5 |old(~a16~0)|) .cse11 .cse4) (or (not (= ~a8~0 13)) .cse12 .cse4)))) [2018-10-24 19:17:15,704 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-10-24 19:17:15,705 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,705 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,705 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,705 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,705 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-10-24 19:17:15,705 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,705 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,706 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-10-24 19:17:15,706 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-10-24 19:17:15,706 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-10-24 19:17:15,706 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-10-24 19:17:15,706 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-10-24 19:17:15,706 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-10-24 19:17:15,707 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-10-24 19:17:15,707 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-10-24 19:17:15,707 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-10-24 19:17:15,707 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-10-24 19:17:15,707 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 482) no Hoare annotation was computed. [2018-10-24 19:17:15,707 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-10-24 19:17:15,708 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-10-24 19:17:15,708 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,708 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,708 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,708 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,708 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,708 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-10-24 19:17:15,709 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,709 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-10-24 19:17:15,709 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-10-24 19:17:15,709 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-10-24 19:17:15,709 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-10-24 19:17:15,709 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-10-24 19:17:15,709 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-10-24 19:17:15,710 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-10-24 19:17:15,710 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-10-24 19:17:15,710 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-10-24 19:17:15,710 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-10-24 19:17:15,710 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-10-24 19:17:15,710 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-10-24 19:17:15,710 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-10-24 19:17:15,711 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-10-24 19:17:15,711 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,711 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,711 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,711 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,711 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,711 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-10-24 19:17:15,712 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-10-24 19:17:15,712 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-10-24 19:17:15,712 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-10-24 19:17:15,712 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-10-24 19:17:15,712 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-10-24 19:17:15,712 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-10-24 19:17:15,712 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-10-24 19:17:15,713 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-10-24 19:17:15,713 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-10-24 19:17:15,713 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-10-24 19:17:15,713 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-24 19:17:15,713 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (= ~a12~0 8) (not (= ~a8~0 13))) [2018-10-24 19:17:15,713 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-24 19:17:15,714 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-24 19:17:15,714 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (and (= |old(~a16~0)| ~a16~0) (not (= ~a8~0 13))) (= 13 |old(~a8~0)|) (not (= 8 ~a12~0))) [2018-10-24 19:17:15,714 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-10-24 19:17:15,714 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (not (= ~a8~0 13)) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (not (= ~a21~0 1)) (not (= 8 ~a12~0)) (not (= 5 ~a16~0))) [2018-10-24 19:17:15,714 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-10-24 19:17:15,714 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-10-24 19:17:15,715 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-10-24 19:17:15,715 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (or (not (= ~a8~0 13)) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (not (= ~a21~0 1)) (not (= 8 ~a12~0)) (not (= 5 ~a16~0))) [2018-10-24 19:17:15,717 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-10-24 19:17:15,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:17:15 BoogieIcfgContainer [2018-10-24 19:17:15,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 19:17:15,739 INFO L168 Benchmark]: Toolchain (without parser) took 17898.20 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 878.2 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -195.6 MB). Peak memory consumption was 682.6 MB. Max. memory is 7.1 GB. [2018-10-24 19:17:15,740 INFO L168 Benchmark]: CDTParser took 0.20 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 19:17:15,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.14 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 19:17:15,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 190.04 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-24 19:17:15,742 INFO L168 Benchmark]: Boogie Preprocessor took 65.96 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 19:17:15,743 INFO L168 Benchmark]: RCFGBuilder took 3571.97 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: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 7.1 GB. [2018-10-24 19:17:15,744 INFO L168 Benchmark]: TraceAbstraction took 13349.06 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 145.2 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 473.4 MB). Peak memory consumption was 618.6 MB. Max. memory is 7.1 GB. [2018-10-24 19:17:15,749 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 713.14 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 190.04 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -805.8 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.96 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 3571.97 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: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13349.06 ms. Allocated memory was 2.3 GB in the beginning and 2.4 GB in the end (delta: 145.2 MB). Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 473.4 MB). Peak memory consumption was 618.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 482]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((!(a8 == 13) || 6 == \old(a16)) || 13 == \old(a8)) || !(a21 == 1)) || !(8 == a12)) || !(5 == a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 13.2s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 9.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 948 SDtfs, 2179 SDslu, 436 SDs, 0 SdLazy, 3543 SolverSat, 792 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 15 SyntacticMatches, 10 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=994occurred 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, 6 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 37 PreInvPairs, 57 NumberOfFragments, 222 HoareAnnotationTreeSize, 37 FomulaSimplifications, 358 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 266 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 760 NumberOfCodeBlocks, 760 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 754 ConstructedInterpolants, 0 QuantifiedInterpolants, 703184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 91/91 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...