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 --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label23_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 11:17:47,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 11:17:47,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 11:17:47,902 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 11:17:47,902 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 11:17:47,903 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 11:17:47,905 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 11:17:47,907 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 11:17:47,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 11:17:47,909 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 11:17:47,910 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 11:17:47,910 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 11:17:47,911 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 11:17:47,912 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 11:17:47,913 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 11:17:47,914 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 11:17:47,915 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 11:17:47,917 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 11:17:47,919 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 11:17:47,920 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 11:17:47,925 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 11:17:47,926 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 11:17:47,929 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 11:17:47,929 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 11:17:47,929 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 11:17:47,933 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 11:17:47,934 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 11:17:47,935 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 11:17:47,935 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 11:17:47,937 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 11:17:47,937 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 11:17:47,938 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 11:17:47,938 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 11:17:47,938 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 11:17:47,939 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 11:17:47,940 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 11:17:47,940 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 11:17:47,955 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 11:17:47,955 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 11:17:47,956 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 11:17:47,956 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 11:17:47,956 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 11:17:47,957 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 11:17:47,957 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 11:17:47,957 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 11:17:47,957 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 11:17:47,957 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 11:17:47,958 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 11:17:47,958 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 11:17:47,958 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 11:17:47,959 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 11:17:47,959 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 11:17:47,959 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 11:17:47,959 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 11:17:47,959 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 11:17:47,960 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 11:17:47,960 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 11:17:47,960 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 11:17:47,960 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 11:17:47,960 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 11:17:47,961 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 11:17:47,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 11:17:47,961 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 11:17:47,961 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 11:17:47,961 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 11:17:47,962 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 11:17:47,962 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 11:17:47,962 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 11:17:47,962 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 11:17:47,962 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 11:17:47,963 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 11:17:48,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 11:17:48,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 11:17:48,050 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 11:17:48,052 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 11:17:48,052 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 11:17:48,053 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-09-18 11:17:48,398 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339b1ccb2/8f8507a9793841f3af9737d9f7e3487a/FLAGc293d2f08 [2018-09-18 11:17:48,658 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 11:17:48,659 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-09-18 11:17:48,688 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339b1ccb2/8f8507a9793841f3af9737d9f7e3487a/FLAGc293d2f08 [2018-09-18 11:17:48,717 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339b1ccb2/8f8507a9793841f3af9737d9f7e3487a [2018-09-18 11:17:48,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 11:17:48,731 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 11:17:48,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 11:17:48,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 11:17:48,740 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 11:17:48,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:17:48" (1/1) ... [2018-09-18 11:17:48,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637f3e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:48, skipping insertion in model container [2018-09-18 11:17:48,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:17:48" (1/1) ... [2018-09-18 11:17:48,757 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 11:17:49,300 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:17:49,319 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 11:17:49,433 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:17:49,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:49 WrapperNode [2018-09-18 11:17:49,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 11:17:49,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 11:17:49,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 11:17:49,489 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 11:17:49,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:49" (1/1) ... [2018-09-18 11:17:49,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:49" (1/1) ... [2018-09-18 11:17:49,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 11:17:49,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 11:17:49,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 11:17:49,613 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 11:17:49,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:49" (1/1) ... [2018-09-18 11:17:49,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:49" (1/1) ... [2018-09-18 11:17:49,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:49" (1/1) ... [2018-09-18 11:17:49,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:49" (1/1) ... [2018-09-18 11:17:49,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:49" (1/1) ... [2018-09-18 11:17:49,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:49" (1/1) ... [2018-09-18 11:17:49,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:49" (1/1) ... [2018-09-18 11:17:49,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 11:17:49,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 11:17:49,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 11:17:49,868 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 11:17:49,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:49" (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 [2018-09-18 11:17:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 11:17:49,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 11:17:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 11:17:49,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 11:17:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 11:17:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 11:17:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 11:17:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 11:17:52,962 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 11:17:52,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:17:52 BoogieIcfgContainer [2018-09-18 11:17:52,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 11:17:52,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 11:17:52,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 11:17:52,967 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 11:17:52,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 11:17:48" (1/3) ... [2018-09-18 11:17:52,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604b8a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:17:52, skipping insertion in model container [2018-09-18 11:17:52,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:17:49" (2/3) ... [2018-09-18 11:17:52,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604b8a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:17:52, skipping insertion in model container [2018-09-18 11:17:52,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:17:52" (3/3) ... [2018-09-18 11:17:52,971 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label23_true-unreach-call.c [2018-09-18 11:17:52,979 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 11:17:52,989 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 11:17:53,046 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 11:17:53,047 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 11:17:53,047 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 11:17:53,047 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 11:17:53,047 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 11:17:53,047 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 11:17:53,048 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 11:17:53,048 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 11:17:53,048 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 11:17:53,080 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-09-18 11:17:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-18 11:17:53,095 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:17:53,096 INFO L376 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] [2018-09-18 11:17:53,097 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:17:53,103 INFO L82 PathProgramCache]: Analyzing trace with hash 508483465, now seen corresponding path program 1 times [2018-09-18 11:17:53,106 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:17:53,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:17:53,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:17:53,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:17:53,154 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:17:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:17:53,577 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:17:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:17:53,685 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:17:53,685 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 11:17:53,686 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:17:53,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:17:53,712 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:17:53,713 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:17:53,717 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-09-18 11:17:55,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:17:55,468 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-09-18 11:17:55,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:17:55,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-09-18 11:17:55,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:17:55,490 INFO L225 Difference]: With dead ends: 574 [2018-09-18 11:17:55,490 INFO L226 Difference]: Without dead ends: 356 [2018-09-18 11:17:55,498 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:17:55,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-09-18 11:17:55,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-09-18 11:17:55,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-09-18 11:17:55,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-09-18 11:17:55,591 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 53 [2018-09-18 11:17:55,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:17:55,592 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-09-18 11:17:55,592 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:17:55,592 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-09-18 11:17:55,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-18 11:17:55,601 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:17:55,602 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:17:55,602 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:17:55,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1327667053, now seen corresponding path program 1 times [2018-09-18 11:17:55,603 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:17:55,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:17:55,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:17:55,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:17:55,605 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:17:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:17:55,985 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:17:55,986 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:17:55,986 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 11:17:55,986 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:17:55,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:17:55,989 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:17:55,989 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 11:17:55,989 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-09-18 11:18:00,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:00,711 INFO L93 Difference]: Finished difference Result 1289 states and 2315 transitions. [2018-09-18 11:18:00,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:18:00,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-09-18 11:18:00,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:00,720 INFO L225 Difference]: With dead ends: 1289 [2018-09-18 11:18:00,720 INFO L226 Difference]: Without dead ends: 939 [2018-09-18 11:18:00,725 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:18:00,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2018-09-18 11:18:00,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 926. [2018-09-18 11:18:00,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2018-09-18 11:18:00,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1444 transitions. [2018-09-18 11:18:00,796 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1444 transitions. Word has length 136 [2018-09-18 11:18:00,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:00,797 INFO L480 AbstractCegarLoop]: Abstraction has 926 states and 1444 transitions. [2018-09-18 11:18:00,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:18:00,799 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1444 transitions. [2018-09-18 11:18:00,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-09-18 11:18:00,813 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:00,814 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:18:00,814 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:00,816 INFO L82 PathProgramCache]: Analyzing trace with hash -734844493, now seen corresponding path program 1 times [2018-09-18 11:18:00,816 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:00,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:00,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:00,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:00,818 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:01,117 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:01,117 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:18:01,118 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 11:18:01,118 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:01,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:18:01,119 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:18:01,119 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:18:01,119 INFO L87 Difference]: Start difference. First operand 926 states and 1444 transitions. Second operand 6 states. [2018-09-18 11:18:05,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:05,345 INFO L93 Difference]: Finished difference Result 2537 states and 4091 transitions. [2018-09-18 11:18:05,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:18:05,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-09-18 11:18:05,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:05,358 INFO L225 Difference]: With dead ends: 2537 [2018-09-18 11:18:05,359 INFO L226 Difference]: Without dead ends: 1617 [2018-09-18 11:18:05,366 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 [2018-09-18 11:18:05,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2018-09-18 11:18:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1586. [2018-09-18 11:18:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1586 states. [2018-09-18 11:18:05,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2321 transitions. [2018-09-18 11:18:05,423 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2321 transitions. Word has length 152 [2018-09-18 11:18:05,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:05,424 INFO L480 AbstractCegarLoop]: Abstraction has 1586 states and 2321 transitions. [2018-09-18 11:18:05,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:18:05,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2321 transitions. [2018-09-18 11:18:05,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-09-18 11:18:05,429 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:05,430 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:18:05,430 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:05,430 INFO L82 PathProgramCache]: Analyzing trace with hash -829584541, now seen corresponding path program 1 times [2018-09-18 11:18:05,430 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:05,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:05,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:05,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:05,432 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:05,758 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:18:06,175 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:06,176 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:18:06,176 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 11:18:06,176 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:06,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:18:06,177 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:18:06,177 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:18:06,178 INFO L87 Difference]: Start difference. First operand 1586 states and 2321 transitions. Second operand 6 states. [2018-09-18 11:18:07,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:07,506 INFO L93 Difference]: Finished difference Result 3508 states and 5316 transitions. [2018-09-18 11:18:07,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:18:07,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-09-18 11:18:07,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:07,529 INFO L225 Difference]: With dead ends: 3508 [2018-09-18 11:18:07,529 INFO L226 Difference]: Without dead ends: 1928 [2018-09-18 11:18:07,537 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:18:07,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2018-09-18 11:18:07,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1889. [2018-09-18 11:18:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1889 states. [2018-09-18 11:18:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2675 transitions. [2018-09-18 11:18:07,606 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2675 transitions. Word has length 176 [2018-09-18 11:18:07,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:07,607 INFO L480 AbstractCegarLoop]: Abstraction has 1889 states and 2675 transitions. [2018-09-18 11:18:07,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:18:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2675 transitions. [2018-09-18 11:18:07,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-09-18 11:18:07,615 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:07,616 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:18:07,616 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:07,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1805277256, now seen corresponding path program 1 times [2018-09-18 11:18:07,617 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:07,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:07,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:07,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:07,618 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:08,066 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-18 11:18:08,257 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-18 11:18:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:08,890 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:08,891 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:18:08,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:08,899 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:08,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:09,541 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:09,936 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:09,936 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:18:09,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:09,957 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:10,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:10,666 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:18:10,930 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:18:10,930 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5, 5, 5] total 22 [2018-09-18 11:18:10,930 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:18:10,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-18 11:18:10,932 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-18 11:18:10,932 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2018-09-18 11:18:10,933 INFO L87 Difference]: Start difference. First operand 1889 states and 2675 transitions. Second operand 15 states. [2018-09-18 11:18:11,970 WARN L178 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 21 [2018-09-18 11:18:14,818 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-09-18 11:18:19,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:19,267 INFO L93 Difference]: Finished difference Result 7128 states and 11119 transitions. [2018-09-18 11:18:19,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-09-18 11:18:19,267 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 216 [2018-09-18 11:18:19,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:19,300 INFO L225 Difference]: With dead ends: 7128 [2018-09-18 11:18:19,301 INFO L226 Difference]: Without dead ends: 4781 [2018-09-18 11:18:19,335 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 925 GetRequests, 873 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=665, Invalid=2091, Unknown=0, NotChecked=0, Total=2756 [2018-09-18 11:18:19,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4781 states. [2018-09-18 11:18:19,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4781 to 4357. [2018-09-18 11:18:19,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4357 states. [2018-09-18 11:18:19,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4357 states to 4357 states and 5665 transitions. [2018-09-18 11:18:19,481 INFO L78 Accepts]: Start accepts. Automaton has 4357 states and 5665 transitions. Word has length 216 [2018-09-18 11:18:19,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:19,481 INFO L480 AbstractCegarLoop]: Abstraction has 4357 states and 5665 transitions. [2018-09-18 11:18:19,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-18 11:18:19,481 INFO L276 IsEmpty]: Start isEmpty. Operand 4357 states and 5665 transitions. [2018-09-18 11:18:19,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-09-18 11:18:19,494 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:19,495 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:18:19,495 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:19,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1366596424, now seen corresponding path program 1 times [2018-09-18 11:18:19,496 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:19,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:19,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:19,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:19,497 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 92 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:18:19,752 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:19,753 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:18:19,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:19,760 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:19,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-09-18 11:18:19,935 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 92 proven. 78 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:18:20,350 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:18:20,350 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 8 [2018-09-18 11:18:20,351 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:20,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:18:20,351 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:18:20,352 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:18:20,352 INFO L87 Difference]: Start difference. First operand 4357 states and 5665 transitions. Second operand 5 states. [2018-09-18 11:18:22,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:22,208 INFO L93 Difference]: Finished difference Result 9813 states and 12856 transitions. [2018-09-18 11:18:22,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:18:22,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 224 [2018-09-18 11:18:22,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:22,249 INFO L225 Difference]: With dead ends: 9813 [2018-09-18 11:18:22,250 INFO L226 Difference]: Without dead ends: 5467 [2018-09-18 11:18:22,271 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 446 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-09-18 11:18:22,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5467 states. [2018-09-18 11:18:22,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5467 to 5119. [2018-09-18 11:18:22,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5119 states. [2018-09-18 11:18:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 6499 transitions. [2018-09-18 11:18:22,407 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 6499 transitions. Word has length 224 [2018-09-18 11:18:22,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:22,408 INFO L480 AbstractCegarLoop]: Abstraction has 5119 states and 6499 transitions. [2018-09-18 11:18:22,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:18:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 6499 transitions. [2018-09-18 11:18:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-09-18 11:18:22,424 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:22,425 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:18:22,425 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:22,425 INFO L82 PathProgramCache]: Analyzing trace with hash 922152244, now seen corresponding path program 1 times [2018-09-18 11:18:22,425 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:22,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:22,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:22,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:22,427 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:22,699 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:18:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 92 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:18:23,121 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:23,121 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:18:23,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:23,135 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:23,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:23,611 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-09-18 11:18:23,612 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:24,362 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 92 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:18:24,384 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:18:24,384 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 10 [2018-09-18 11:18:24,384 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:18:24,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:18:24,385 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:18:24,385 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-09-18 11:18:24,386 INFO L87 Difference]: Start difference. First operand 5119 states and 6499 transitions. Second operand 5 states. [2018-09-18 11:18:26,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:26,593 INFO L93 Difference]: Finished difference Result 13061 states and 16947 transitions. [2018-09-18 11:18:26,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:18:26,602 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 258 [2018-09-18 11:18:26,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:26,637 INFO L225 Difference]: With dead ends: 13061 [2018-09-18 11:18:26,637 INFO L226 Difference]: Without dead ends: 7948 [2018-09-18 11:18:26,662 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 510 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-09-18 11:18:26,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7948 states. [2018-09-18 11:18:26,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7948 to 7896. [2018-09-18 11:18:26,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7896 states. [2018-09-18 11:18:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7896 states to 7896 states and 9842 transitions. [2018-09-18 11:18:26,864 INFO L78 Accepts]: Start accepts. Automaton has 7896 states and 9842 transitions. Word has length 258 [2018-09-18 11:18:26,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:26,864 INFO L480 AbstractCegarLoop]: Abstraction has 7896 states and 9842 transitions. [2018-09-18 11:18:26,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:18:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 7896 states and 9842 transitions. [2018-09-18 11:18:26,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-09-18 11:18:26,894 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:26,895 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 11:18:26,895 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:26,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1240790714, now seen corresponding path program 1 times [2018-09-18 11:18:26,895 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:26,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:26,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:26,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:26,897 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:27,379 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-18 11:18:28,327 WARN L178 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-09-18 11:18:28,575 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 212 proven. 82 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-18 11:18:28,575 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:28,575 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:18:28,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:28,584 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:28,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:28,871 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-09-18 11:18:28,871 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 212 proven. 82 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-18 11:18:29,152 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:29,152 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:18:29,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:29,169 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:29,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:29,545 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-09-18 11:18:29,545 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 212 proven. 82 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-09-18 11:18:29,796 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:18:29,796 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5, 5, 5] total 23 [2018-09-18 11:18:29,796 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:18:29,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-09-18 11:18:29,797 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-09-18 11:18:29,797 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2018-09-18 11:18:29,798 INFO L87 Difference]: Start difference. First operand 7896 states and 9842 transitions. Second operand 17 states. [2018-09-18 11:18:35,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:18:35,838 INFO L93 Difference]: Finished difference Result 15657 states and 20119 transitions. [2018-09-18 11:18:35,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-09-18 11:18:35,838 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 295 [2018-09-18 11:18:35,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:18:35,873 INFO L225 Difference]: With dead ends: 15657 [2018-09-18 11:18:35,874 INFO L226 Difference]: Without dead ends: 7982 [2018-09-18 11:18:35,962 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1253 GetRequests, 1198 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=710, Invalid=2260, Unknown=0, NotChecked=0, Total=2970 [2018-09-18 11:18:35,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7982 states. [2018-09-18 11:18:36,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7982 to 7196. [2018-09-18 11:18:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7196 states. [2018-09-18 11:18:36,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7196 states to 7196 states and 8551 transitions. [2018-09-18 11:18:36,137 INFO L78 Accepts]: Start accepts. Automaton has 7196 states and 8551 transitions. Word has length 295 [2018-09-18 11:18:36,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:18:36,138 INFO L480 AbstractCegarLoop]: Abstraction has 7196 states and 8551 transitions. [2018-09-18 11:18:36,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-09-18 11:18:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 7196 states and 8551 transitions. [2018-09-18 11:18:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-09-18 11:18:36,160 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:18:36,161 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 11:18:36,161 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:18:36,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1037984411, now seen corresponding path program 1 times [2018-09-18 11:18:36,162 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:18:36,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:36,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:36,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:18:36,163 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:18:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:36,823 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-18 11:18:37,072 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-18 11:18:37,552 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-18 11:18:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 229 proven. 158 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:18:38,053 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:18:38,053 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:18:38,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:18:38,062 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:18:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:18:38,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:18:38,465 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-18 11:18:39,222 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 39 [2018-09-18 11:18:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 341 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-09-18 11:18:39,796 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:18:40,368 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-18 11:18:50,740 WARN L178 SmtUtils]: Spent 10.10 s on a formula simplification. DAG size of input: 187 DAG size of output: 22 [2018-09-18 11:18:51,120 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-09-18 11:18:51,189 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-09-18 11:18:51,724 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 42 [2018-09-18 11:18:51,730 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:51,839 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:51,916 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:51,974 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,066 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,128 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,297 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,350 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,420 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,475 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,543 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,592 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,777 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,835 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:52,897 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,000 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,051 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,103 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,154 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,233 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,286 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,344 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,415 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,462 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,550 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,625 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,681 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,734 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,810 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,862 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,925 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:53,984 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,319 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,644 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,877 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,932 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:54,988 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,115 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,170 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,304 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,375 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,428 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,480 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,540 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,598 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,662 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,718 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,788 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,844 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,917 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:55,980 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,034 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,091 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,146 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,212 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,312 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,369 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,439 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,492 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,542 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,595 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,654 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,768 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,819 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,873 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,936 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:56,998 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,052 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,178 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,227 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,283 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,333 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,383 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,433 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,483 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,544 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,715 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,770 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,834 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,884 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,934 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:57,986 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,035 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,085 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,134 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,180 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,228 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,275 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,326 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,373 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,418 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,466 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,516 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,568 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:58,894 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:59,204 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:59,521 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:59,653 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:59,704 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:59,755 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:59,803 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:59,852 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:59,899 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:59,947 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:18:59,997 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:19:00,044 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:19:00,090 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:19:00,166 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:19:00,878 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 148 proven. 239 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:19:00,899 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:19:00,900 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:19:00,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:19:00,918 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:19:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:19:01,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:19:01,429 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 41 [2018-09-18 11:19:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 341 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-09-18 11:19:01,884 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:19:02,806 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 31 [2018-09-18 11:19:02,810 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-09-18 11:19:03,045 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2018-09-18 11:19:03,050 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2018-09-18 11:19:03,232 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 79 [2018-09-18 11:19:04,658 WARN L177 XnfTransformerHelper]: Simplifying conjuction of 5018 disjunctions. This might take some time... [2018-09-18 11:19:04,685 INFO L193 XnfTransformerHelper]: Simplified to conjuction of 29 disjunctions. [2018-09-18 11:19:05,237 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2018-09-18 11:19:05,242 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:05,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:05,670 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:05,809 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:05,939 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:06,057 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:06,230 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:06,360 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:06,499 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:06,601 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:06,707 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:06,818 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:06,941 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:07,506 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:07,727 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:07,847 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:07,998 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:08,159 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:08,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:08,367 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:08,468 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:08,671 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:08,778 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:08,895 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:09,008 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:09,115 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:09,218 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:09,315 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:09,421 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:09,530 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:09,638 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:09,905 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:10,162 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:10,270 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:10,383 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:10,492 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:10,599 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:10,764 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:10,880 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:11,004 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:11,120 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:11,250 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:11,373 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:11,484 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:11,603 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:11,716 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:11,828 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:11,939 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:12,050 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:12,166 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:12,280 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:12,385 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:12,509 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:12,625 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:12,739 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:12,859 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:13,206 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:13,411 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:13,520 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:13,630 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:13,731 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:13,843 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:13,948 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:14,059 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:14,170 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:14,283 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:14,422 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:14,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:14,646 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:14,756 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:14,863 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:14,963 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:15,071 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:15,179 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:15,291 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:15,395 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:15,503 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:15,607 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:15,713 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:15,815 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:15,927 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:16,367 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:16,551 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:16,660 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:16,767 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:16,877 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:16,991 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:17,099 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:17,208 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:17,509 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:17,627 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:17,736 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:17,943 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:18,052 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:18,161 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:18,312 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:18,419 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:18,518 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:18,628 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:18,733 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:18,839 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:18,941 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:19,072 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:19,176 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:19,281 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:19,432 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:19,869 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:19,969 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2018-09-18 11:19:20,266 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-18 11:19:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 146 proven. 241 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:19:21,314 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:19:21,314 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9, 10, 11] total 41 [2018-09-18 11:19:21,314 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:19:21,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-18 11:19:21,316 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-18 11:19:21,316 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1420, Unknown=0, NotChecked=0, Total=1640 [2018-09-18 11:19:21,317 INFO L87 Difference]: Start difference. First operand 7196 states and 8551 transitions. Second operand 18 states. [2018-09-18 11:19:29,860 WARN L178 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2018-09-18 11:19:35,864 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-18 11:19:42,267 WARN L178 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2018-09-18 11:20:04,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:20:04,451 INFO L93 Difference]: Finished difference Result 17450 states and 21564 transitions. [2018-09-18 11:20:04,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-09-18 11:20:04,452 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 340 [2018-09-18 11:20:04,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:20:04,482 INFO L225 Difference]: With dead ends: 17450 [2018-09-18 11:20:04,482 INFO L226 Difference]: Without dead ends: 10406 [2018-09-18 11:20:04,502 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1443 GetRequests, 1146 SyntacticMatches, 221 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8106 ImplicationChecksByTransitivity, 44.9s TimeCoverageRelationStatistics Valid=1059, Invalid=4947, Unknown=0, NotChecked=0, Total=6006 [2018-09-18 11:20:04,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10406 states. [2018-09-18 11:20:04,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10406 to 9905. [2018-09-18 11:20:04,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9905 states. [2018-09-18 11:20:04,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9905 states to 9905 states and 11903 transitions. [2018-09-18 11:20:04,718 INFO L78 Accepts]: Start accepts. Automaton has 9905 states and 11903 transitions. Word has length 340 [2018-09-18 11:20:04,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:20:04,719 INFO L480 AbstractCegarLoop]: Abstraction has 9905 states and 11903 transitions. [2018-09-18 11:20:04,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-18 11:20:04,719 INFO L276 IsEmpty]: Start isEmpty. Operand 9905 states and 11903 transitions. [2018-09-18 11:20:04,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-09-18 11:20:04,741 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:20:04,741 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 11:20:04,742 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:20:04,742 INFO L82 PathProgramCache]: Analyzing trace with hash 935343302, now seen corresponding path program 1 times [2018-09-18 11:20:04,742 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:20:04,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:20:04,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:20:04,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:20:04,743 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:20:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:20:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-09-18 11:20:05,140 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:20:05,140 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 11:20:05,140 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:20:05,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:20:05,141 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:20:05,141 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:20:05,142 INFO L87 Difference]: Start difference. First operand 9905 states and 11903 transitions. Second operand 3 states. [2018-09-18 11:20:06,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:20:06,398 INFO L93 Difference]: Finished difference Result 20577 states and 25245 transitions. [2018-09-18 11:20:06,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:20:06,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 359 [2018-09-18 11:20:06,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:20:06,400 INFO L225 Difference]: With dead ends: 20577 [2018-09-18 11:20:06,400 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 11:20:06,511 INFO L604 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 [2018-09-18 11:20:06,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 11:20:06,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 11:20:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 11:20:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 11:20:06,512 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359 [2018-09-18 11:20:06,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:20:06,512 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 11:20:06,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:20:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 11:20:06,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 11:20:06,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 11:20:06,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:06,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,142 WARN L178 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 223 [2018-09-18 11:20:07,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-18 11:20:07,491 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 223 [2018-09-18 11:20:07,904 WARN L178 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 20 [2018-09-18 11:20:08,753 WARN L178 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 30 [2018-09-18 11:20:11,358 WARN L178 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 231 DAG size of output: 37 [2018-09-18 11:20:12,093 WARN L178 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 41 [2018-09-18 11:20:12,831 WARN L178 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 41 [2018-09-18 11:20:12,834 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-18 11:20:12,834 INFO L422 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-09-18 11:20:12,834 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 11:20:12,834 INFO L426 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-09-18 11:20:12,834 INFO L426 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,834 INFO L426 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,835 INFO L426 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,835 INFO L426 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,835 INFO L426 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,835 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,835 INFO L426 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-09-18 11:20:12,835 INFO L426 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-09-18 11:20:12,835 INFO L426 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-09-18 11:20:12,835 INFO L426 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-09-18 11:20:12,836 INFO L426 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-09-18 11:20:12,836 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-18 11:20:12,836 INFO L426 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-09-18 11:20:12,836 INFO L426 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-09-18 11:20:12,836 INFO L426 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-09-18 11:20:12,836 INFO L426 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-09-18 11:20:12,836 INFO L426 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-09-18 11:20:12,836 INFO L426 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,836 INFO L426 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,837 INFO L426 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,837 INFO L426 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,837 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,837 INFO L426 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-09-18 11:20:12,837 INFO L426 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-09-18 11:20:12,837 INFO L426 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-09-18 11:20:12,837 INFO L426 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-09-18 11:20:12,837 INFO L426 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-09-18 11:20:12,837 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-18 11:20:12,837 INFO L426 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-09-18 11:20:12,838 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-18 11:20:12,838 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-18 11:20:12,838 INFO L426 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-09-18 11:20:12,838 INFO L426 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-09-18 11:20:12,838 INFO L426 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-09-18 11:20:12,838 INFO L426 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-09-18 11:20:12,838 INFO L426 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-09-18 11:20:12,838 INFO L426 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,838 INFO L426 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,839 INFO L426 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,839 INFO L426 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,839 INFO L426 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,839 INFO L426 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-09-18 11:20:12,839 INFO L426 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-09-18 11:20:12,839 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-18 11:20:12,839 INFO L426 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-09-18 11:20:12,839 INFO L426 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-09-18 11:20:12,839 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-18 11:20:12,839 INFO L426 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-09-18 11:20:12,840 INFO L426 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-09-18 11:20:12,840 INFO L426 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-09-18 11:20:12,840 INFO L426 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-09-18 11:20:12,840 INFO L426 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,840 INFO L426 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,840 INFO L426 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,840 INFO L426 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,840 INFO L426 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,841 INFO L426 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-09-18 11:20:12,841 INFO L426 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-09-18 11:20:12,841 INFO L426 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-09-18 11:20:12,841 INFO L426 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-09-18 11:20:12,841 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-18 11:20:12,841 INFO L426 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-09-18 11:20:12,841 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-18 11:20:12,841 INFO L426 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-09-18 11:20:12,841 INFO L426 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-09-18 11:20:12,842 INFO L426 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-09-18 11:20:12,842 INFO L426 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-09-18 11:20:12,842 INFO L426 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-09-18 11:20:12,842 INFO L426 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-09-18 11:20:12,842 INFO L426 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,842 INFO L426 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,842 INFO L426 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,842 INFO L426 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,843 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,843 INFO L426 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-09-18 11:20:12,843 INFO L426 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-09-18 11:20:12,843 INFO L426 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-09-18 11:20:12,843 INFO L426 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-09-18 11:20:12,843 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-18 11:20:12,843 INFO L426 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-09-18 11:20:12,843 INFO L426 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-09-18 11:20:12,843 INFO L426 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-09-18 11:20:12,844 INFO L426 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-09-18 11:20:12,844 INFO L426 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,844 INFO L426 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,844 INFO L426 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,844 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,844 INFO L426 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,844 INFO L426 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,844 INFO L426 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,844 INFO L426 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-09-18 11:20:12,844 INFO L426 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-09-18 11:20:12,845 INFO L426 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-09-18 11:20:12,845 INFO L426 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-09-18 11:20:12,845 INFO L426 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-09-18 11:20:12,845 INFO L426 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-09-18 11:20:12,845 INFO L426 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-09-18 11:20:12,845 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-18 11:20:12,845 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-18 11:20:12,845 INFO L426 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-09-18 11:20:12,845 INFO L426 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-09-18 11:20:12,846 INFO L426 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-09-18 11:20:12,846 INFO L426 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-09-18 11:20:12,846 INFO L426 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,846 INFO L426 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,846 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,846 INFO L426 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,846 INFO L426 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-09-18 11:20:12,846 INFO L426 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,846 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,846 INFO L426 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-09-18 11:20:12,847 INFO L426 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-09-18 11:20:12,847 INFO L426 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-09-18 11:20:12,847 INFO L426 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-09-18 11:20:12,847 INFO L426 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-09-18 11:20:12,847 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-18 11:20:12,847 INFO L426 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-09-18 11:20:12,847 INFO L426 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-09-18 11:20:12,847 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-18 11:20:12,848 INFO L426 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-09-18 11:20:12,848 INFO L426 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-09-18 11:20:12,848 INFO L426 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-09-18 11:20:12,848 INFO L426 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-09-18 11:20:12,848 INFO L426 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,848 INFO L426 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,848 INFO L426 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,848 INFO L426 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,848 INFO L426 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,848 INFO L426 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,849 INFO L426 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-09-18 11:20:12,849 INFO L426 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-09-18 11:20:12,849 INFO L426 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-09-18 11:20:12,849 INFO L426 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-09-18 11:20:12,849 INFO L426 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-09-18 11:20:12,849 INFO L426 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-09-18 11:20:12,849 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-18 11:20:12,849 INFO L426 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-09-18 11:20:12,849 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-18 11:20:12,849 INFO L426 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-09-18 11:20:12,850 INFO L426 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-09-18 11:20:12,850 INFO L422 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse7 (= ~a1~0 |old(~a1~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse6 (= |old(~a10~0)| ~a10~0))) (let ((.cse0 (= 7 |old(~a19~0)|)) (.cse4 (and .cse7 .cse5 .cse6)) (.cse1 (= 10 |old(~a19~0)|)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse0 (< 1 |old(~a10~0)|)) .cse2 .cse3 (and .cse5 .cse6 .cse7)) (or (= 3 |old(~a10~0)|) (< (+ |old(~a1~0)| 12) 0) .cse4 .cse1 .cse2 .cse3)))) [2018-09-18 11:20:12,850 INFO L426 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-09-18 11:20:12,850 INFO L426 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-09-18 11:20:12,850 INFO L426 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-09-18 11:20:12,850 INFO L426 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,850 INFO L426 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,850 INFO L426 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,851 INFO L426 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,851 INFO L426 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,851 INFO L426 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,851 INFO L426 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-09-18 11:20:12,851 INFO L426 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-09-18 11:20:12,851 INFO L426 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-09-18 11:20:12,851 INFO L426 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-09-18 11:20:12,851 INFO L426 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-09-18 11:20:12,852 INFO L426 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-09-18 11:20:12,852 INFO L426 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-09-18 11:20:12,852 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-18 11:20:12,852 INFO L426 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-09-18 11:20:12,852 INFO L426 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-09-18 11:20:12,852 INFO L426 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-09-18 11:20:12,852 INFO L426 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-09-18 11:20:12,852 INFO L426 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-09-18 11:20:12,852 INFO L426 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-09-18 11:20:12,852 INFO L426 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,853 INFO L426 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,853 INFO L426 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,853 INFO L426 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,853 INFO L426 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,853 INFO L426 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,853 INFO L426 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-09-18 11:20:12,853 INFO L426 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-09-18 11:20:12,853 INFO L426 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-09-18 11:20:12,853 INFO L426 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-09-18 11:20:12,853 INFO L426 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-09-18 11:20:12,854 INFO L426 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-09-18 11:20:12,854 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-18 11:20:12,854 INFO L426 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-09-18 11:20:12,854 INFO L426 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-09-18 11:20:12,854 INFO L426 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-09-18 11:20:12,854 INFO L426 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-09-18 11:20:12,854 INFO L426 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-09-18 11:20:12,854 INFO L426 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,854 INFO L426 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,854 INFO L426 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,855 INFO L426 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,855 INFO L426 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,855 INFO L426 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-09-18 11:20:12,855 INFO L426 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-09-18 11:20:12,855 INFO L426 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-09-18 11:20:12,855 INFO L426 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-09-18 11:20:12,855 INFO L426 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-09-18 11:20:12,855 INFO L426 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-09-18 11:20:12,855 INFO L426 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-09-18 11:20:12,855 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-18 11:20:12,855 INFO L426 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-09-18 11:20:12,856 INFO L426 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-09-18 11:20:12,856 INFO L426 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-09-18 11:20:12,856 INFO L426 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-09-18 11:20:12,856 INFO L426 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-09-18 11:20:12,856 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 11:20:12,856 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (not (= ~a19~0 7)) (not (= ~a19~0 10)) (= ~a12~0 0) (<= ~a10~0 0) (= ~a4~0 14)) [2018-09-18 11:20:12,856 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 11:20:12,856 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 11:20:12,857 INFO L422 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (= 7 |old(~a19~0)|) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (< 23 |old(~a1~0)|) (< 0 |old(~a10~0)|)) [2018-09-18 11:20:12,857 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-09-18 11:20:12,857 INFO L422 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7))) (.cse1 (not (= ~a19~0 10)))) (or (< |old(~a1~0)| 23) (not (= 0 ~a12~0)) (and .cse0 .cse1) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|) (and .cse0 (<= ~a10~0 1)) (and (not (= ~a10~0 3)) .cse1 (<= 0 (+ ~a1~0 12))) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (< 0 |old(~a10~0)|))) [2018-09-18 11:20:12,857 INFO L426 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-09-18 11:20:12,857 INFO L426 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-09-18 11:20:12,857 INFO L426 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-09-18 11:20:12,857 INFO L422 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7))) (.cse1 (not (= ~a19~0 10)))) (or (< |old(~a1~0)| 23) (not (= 0 ~a12~0)) (and .cse0 .cse1) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|) (and .cse0 (<= ~a10~0 1)) (and (not (= ~a10~0 3)) .cse1 (<= 0 (+ ~a1~0 12))) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (< 0 |old(~a10~0)|))) [2018-09-18 11:20:12,857 INFO L426 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-09-18 11:20:12,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 11:20:12 BoogieIcfgContainer [2018-09-18 11:20:12,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 11:20:12,874 INFO L168 Benchmark]: Toolchain (without parser) took 144145.27 ms. Allocated memory was 1.6 GB in the beginning and 3.3 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 643.4 MB. Max. memory is 7.1 GB. [2018-09-18 11:20:12,875 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 11:20:12,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.64 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-18 11:20:12,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.41 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-18 11:20:12,877 INFO L168 Benchmark]: Boogie Preprocessor took 254.31 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 795.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -886.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2018-09-18 11:20:12,878 INFO L168 Benchmark]: RCFGBuilder took 3096.11 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 7.1 GB. [2018-09-18 11:20:12,879 INFO L168 Benchmark]: TraceAbstraction took 139909.05 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 937.4 MB). Free memory was 2.2 GB in the beginning and 2.5 GB in the end (delta: -362.9 MB). Peak memory consumption was 574.5 MB. Max. memory is 7.1 GB. [2018-09-18 11:20:12,884 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.64 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 124.41 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 254.31 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 795.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -886.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3096.11 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 107.1 MB). Peak memory consumption was 107.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 139909.05 ms. Allocated memory was 2.3 GB in the beginning and 3.3 GB in the end (delta: 937.4 MB). Free memory was 2.2 GB in the beginning and 2.5 GB in the end (delta: -362.9 MB). Peak memory consumption was 574.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((\old(a1) < 23 || !(0 == a12)) || (!(a19 == 7) && !(a19 == 10))) || 23 < \old(a1)) || 7 == \old(a19)) || (!(a19 == 7) && a10 <= 1)) || ((!(a10 == 3) && !(a19 == 10)) && 0 <= a1 + 12)) || 10 == \old(a19)) || !(14 == a4)) || 0 < \old(a10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 139.8s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 75.4s AutomataDifference, 0.0s DeadEndRemovalTime, 6.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 929 SDtfs, 12621 SDslu, 1715 SDs, 0 SdLazy, 20064 SolverSat, 4217 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 56.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4641 GetRequests, 4185 SyntacticMatches, 235 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9503 ImplicationChecksByTransitivity, 55.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9905occurred in iteration=9, 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: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 2194 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 170 PreInvPairs, 264 NumberOfFragments, 272 HoareAnnotationTreeSize, 170 FomulaSimplifications, 66918 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 18879 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 54.1s InterpolantComputationTime, 4393 NumberOfCodeBlocks, 4393 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 6551 ConstructedInterpolants, 247 QuantifiedInterpolants, 19361468 SizeOfPredicates, 24 NumberOfNonLiveVariables, 3728 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 26 InterpolantComputations, 7 PerfectInterpolantSequences, 4996/6212 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label23_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_11-20-12-901.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem10_label23_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_11-20-12-901.csv Received shutdown request...