java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label53_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 23:49:15,897 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 23:49:15,899 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 23:49:15,911 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 23:49:15,911 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 23:49:15,913 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 23:49:15,914 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 23:49:15,916 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 23:49:15,917 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 23:49:15,918 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 23:49:15,919 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 23:49:15,919 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 23:49:15,920 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 23:49:15,921 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 23:49:15,923 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 23:49:15,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 23:49:15,924 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 23:49:15,926 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 23:49:15,928 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 23:49:15,930 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 23:49:15,934 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 23:49:15,936 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 23:49:15,938 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 23:49:15,938 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 23:49:15,938 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 23:49:15,939 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 23:49:15,940 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 23:49:15,941 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 23:49:15,942 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 23:49:15,943 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 23:49:15,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 23:49:15,944 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 23:49:15,944 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 23:49:15,944 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 23:49:15,945 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 23:49:15,946 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 23:49:15,946 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-24 23:49:15,962 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 23:49:15,962 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 23:49:15,963 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 23:49:15,963 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 23:49:15,963 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 23:49:15,963 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 23:49:15,964 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 23:49:15,964 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 23:49:15,964 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 23:49:15,964 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 23:49:15,964 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 23:49:15,964 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 23:49:15,965 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 23:49:15,965 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 23:49:15,966 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 23:49:15,966 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 23:49:15,966 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 23:49:15,966 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 23:49:15,966 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 23:49:15,967 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 23:49:15,967 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 23:49:15,967 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 23:49:15,967 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 23:49:15,967 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 23:49:15,968 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 23:49:15,968 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 23:49:15,968 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:49:15,968 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 23:49:15,968 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 23:49:15,969 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 23:49:15,969 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 23:49:15,969 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 23:49:15,969 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 23:49:15,969 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 23:49:15,969 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 23:49:15,970 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 23:49:16,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 23:49:16,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 23:49:16,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 23:49:16,033 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 23:49:16,034 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 23:49:16,035 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label53_false-unreach-call.c [2018-10-24 23:49:16,095 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5fff060f3/285f835dcde14108bdb1aad59b743d2b/FLAG5caddc05a [2018-10-24 23:49:16,839 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 23:49:16,840 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label53_false-unreach-call.c [2018-10-24 23:49:16,873 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5fff060f3/285f835dcde14108bdb1aad59b743d2b/FLAG5caddc05a [2018-10-24 23:49:16,888 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5fff060f3/285f835dcde14108bdb1aad59b743d2b [2018-10-24 23:49:16,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 23:49:16,901 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 23:49:16,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 23:49:16,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 23:49:16,907 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 23:49:16,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:49:16" (1/1) ... [2018-10-24 23:49:16,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b5a5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:16, skipping insertion in model container [2018-10-24 23:49:16,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:49:16" (1/1) ... [2018-10-24 23:49:16,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 23:49:17,036 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 23:49:18,014 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:49:18,020 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 23:49:18,444 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 23:49:18,468 INFO L193 MainTranslator]: Completed translation [2018-10-24 23:49:18,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18 WrapperNode [2018-10-24 23:49:18,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 23:49:18,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 23:49:18,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 23:49:18,470 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 23:49:18,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18" (1/1) ... [2018-10-24 23:49:18,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18" (1/1) ... [2018-10-24 23:49:18,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 23:49:18,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 23:49:18,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 23:49:18,955 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 23:49:18,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18" (1/1) ... [2018-10-24 23:49:18,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18" (1/1) ... [2018-10-24 23:49:18,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18" (1/1) ... [2018-10-24 23:49:18,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18" (1/1) ... [2018-10-24 23:49:19,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18" (1/1) ... [2018-10-24 23:49:19,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18" (1/1) ... [2018-10-24 23:49:19,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18" (1/1) ... [2018-10-24 23:49:19,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 23:49:19,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 23:49:19,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 23:49:19,224 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 23:49:19,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 23:49:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 23:49:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 23:49:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 23:49:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 23:49:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 23:49:19,297 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 23:49:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 23:49:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 23:49:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 23:49:19,298 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 23:49:33,421 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 23:49:33,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:49:33 BoogieIcfgContainer [2018-10-24 23:49:33,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 23:49:33,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 23:49:33,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 23:49:33,428 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 23:49:33,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:49:16" (1/3) ... [2018-10-24 23:49:33,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a75068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:49:33, skipping insertion in model container [2018-10-24 23:49:33,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:49:18" (2/3) ... [2018-10-24 23:49:33,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a75068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:49:33, skipping insertion in model container [2018-10-24 23:49:33,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:49:33" (3/3) ... [2018-10-24 23:49:33,432 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label53_false-unreach-call.c [2018-10-24 23:49:33,443 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 23:49:33,463 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 23:49:33,483 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 23:49:33,545 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 23:49:33,545 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 23:49:33,545 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 23:49:33,546 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 23:49:33,546 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 23:49:33,546 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 23:49:33,546 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 23:49:33,546 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 23:49:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2018-10-24 23:49:33,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-24 23:49:33,596 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:49:33,597 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:49:33,600 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:49:33,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:49:33,606 INFO L82 PathProgramCache]: Analyzing trace with hash -294829202, now seen corresponding path program 1 times [2018-10-24 23:49:33,609 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:49:33,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:49:33,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:49:33,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:49:33,659 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:49:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:49:34,059 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2018-10-24 23:49:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:49:34,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:49:34,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 23:49:34,068 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:49:34,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 23:49:34,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 23:49:34,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:49:34,094 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 4 states. [2018-10-24 23:49:46,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:49:46,441 INFO L93 Difference]: Finished difference Result 2137 states and 3966 transitions. [2018-10-24 23:49:46,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 23:49:46,443 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-10-24 23:49:46,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:49:46,496 INFO L225 Difference]: With dead ends: 2137 [2018-10-24 23:49:46,497 INFO L226 Difference]: Without dead ends: 1527 [2018-10-24 23:49:46,512 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 23:49:46,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2018-10-24 23:49:46,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1513. [2018-10-24 23:49:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1513 states. [2018-10-24 23:49:46,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2344 transitions. [2018-10-24 23:49:46,712 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2344 transitions. Word has length 21 [2018-10-24 23:49:46,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:49:46,713 INFO L481 AbstractCegarLoop]: Abstraction has 1513 states and 2344 transitions. [2018-10-24 23:49:46,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 23:49:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2344 transitions. [2018-10-24 23:49:46,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-24 23:49:46,718 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:49:46,719 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 23:49:46,719 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:49:46,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:49:46,720 INFO L82 PathProgramCache]: Analyzing trace with hash 22274303, now seen corresponding path program 1 times [2018-10-24 23:49:46,720 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:49:46,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:49:46,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:49:46,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:49:46,724 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:49:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:49:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:49:47,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:49:47,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 23:49:47,092 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:49:47,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 23:49:47,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 23:49:47,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 23:49:47,096 INFO L87 Difference]: Start difference. First operand 1513 states and 2344 transitions. Second operand 5 states. [2018-10-24 23:49:59,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:49:59,038 INFO L93 Difference]: Finished difference Result 4413 states and 7007 transitions. [2018-10-24 23:49:59,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:49:59,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2018-10-24 23:49:59,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:49:59,064 INFO L225 Difference]: With dead ends: 4413 [2018-10-24 23:49:59,064 INFO L226 Difference]: Without dead ends: 2906 [2018-10-24 23:49:59,070 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 23:49:59,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2906 states. [2018-10-24 23:49:59,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2906 to 2873. [2018-10-24 23:49:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2873 states. [2018-10-24 23:49:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 2873 states and 4204 transitions. [2018-10-24 23:49:59,180 INFO L78 Accepts]: Start accepts. Automaton has 2873 states and 4204 transitions. Word has length 93 [2018-10-24 23:49:59,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:49:59,181 INFO L481 AbstractCegarLoop]: Abstraction has 2873 states and 4204 transitions. [2018-10-24 23:49:59,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 23:49:59,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 4204 transitions. [2018-10-24 23:49:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-24 23:49:59,185 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:49:59,185 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 23:49:59,185 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:49:59,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:49:59,188 INFO L82 PathProgramCache]: Analyzing trace with hash -741912359, now seen corresponding path program 1 times [2018-10-24 23:49:59,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:49:59,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:49:59,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:49:59,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:49:59,191 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:49:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:49:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:49:59,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:49:59,449 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:49:59,450 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 97 with the following transitions: [2018-10-24 23:49:59,452 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [778], [780], [783], [791], [799], [807], [815], [823], [831], [839], [847], [855], [863], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 23:49:59,507 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:49:59,507 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:50:01,324 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 23:50:01,326 INFO L272 AbstractInterpreter]: Visited 83 different actions 235 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 23:50:01,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:50:01,368 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 23:50:01,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:50:01,368 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 23:50:01,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:50:01,384 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 23:50:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:50:01,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 23:50:30,411 WARN L179 SmtUtils]: Spent 24.35 s on a formula simplification. DAG size of input: 135 DAG size of output: 98 [2018-10-24 23:50:50,689 WARN L179 SmtUtils]: Spent 16.11 s on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2018-10-24 23:50:50,886 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:50:50,887 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 23:50:55,436 WARN L179 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 133 DAG size of output: 16 [2018-10-24 23:50:55,492 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2018-10-24 23:50:58,230 WARN L179 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 26 [2018-10-24 23:50:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:50:58,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-24 23:50:58,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 15 [2018-10-24 23:50:58,710 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:50:58,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:50:58,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:50:58,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=159, Unknown=5, NotChecked=0, Total=210 [2018-10-24 23:50:58,712 INFO L87 Difference]: Start difference. First operand 2873 states and 4204 transitions. Second operand 6 states. [2018-10-24 23:51:49,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:51:49,072 INFO L93 Difference]: Finished difference Result 11150 states and 17016 transitions. [2018-10-24 23:51:49,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 23:51:49,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2018-10-24 23:51:49,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:51:49,124 INFO L225 Difference]: With dead ends: 11150 [2018-10-24 23:51:49,125 INFO L226 Difference]: Without dead ends: 8283 [2018-10-24 23:51:49,145 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 186 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 56.4s TimeCoverageRelationStatistics Valid=46, Invalid=159, Unknown=5, NotChecked=0, Total=210 [2018-10-24 23:51:49,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8283 states. [2018-10-24 23:51:49,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8283 to 8244. [2018-10-24 23:51:49,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8244 states. [2018-10-24 23:51:49,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8244 states to 8244 states and 12225 transitions. [2018-10-24 23:51:49,363 INFO L78 Accepts]: Start accepts. Automaton has 8244 states and 12225 transitions. Word has length 96 [2018-10-24 23:51:49,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:51:49,364 INFO L481 AbstractCegarLoop]: Abstraction has 8244 states and 12225 transitions. [2018-10-24 23:51:49,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:51:49,364 INFO L276 IsEmpty]: Start isEmpty. Operand 8244 states and 12225 transitions. [2018-10-24 23:51:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-24 23:51:49,373 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:51:49,373 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:51:49,373 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:51:49,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:51:49,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1276831445, now seen corresponding path program 1 times [2018-10-24 23:51:49,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:51:49,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:51:49,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:51:49,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:51:49,375 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:51:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:51:49,739 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:51:49,893 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:51:49,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 23:51:49,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 23:51:49,894 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:51:49,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 23:51:49,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 23:51:49,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 23:51:49,895 INFO L87 Difference]: Start difference. First operand 8244 states and 12225 transitions. Second operand 6 states. [2018-10-24 23:51:57,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:51:57,352 INFO L93 Difference]: Finished difference Result 20130 states and 30345 transitions. [2018-10-24 23:51:57,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 23:51:57,352 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2018-10-24 23:51:57,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:51:57,415 INFO L225 Difference]: With dead ends: 20130 [2018-10-24 23:51:57,415 INFO L226 Difference]: Without dead ends: 11892 [2018-10-24 23:51:57,460 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:51:57,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11892 states. [2018-10-24 23:51:57,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11892 to 11816. [2018-10-24 23:51:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11816 states. [2018-10-24 23:51:57,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11816 states to 11816 states and 15405 transitions. [2018-10-24 23:51:57,757 INFO L78 Accepts]: Start accepts. Automaton has 11816 states and 15405 transitions. Word has length 171 [2018-10-24 23:51:57,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:51:57,757 INFO L481 AbstractCegarLoop]: Abstraction has 11816 states and 15405 transitions. [2018-10-24 23:51:57,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 23:51:57,758 INFO L276 IsEmpty]: Start isEmpty. Operand 11816 states and 15405 transitions. [2018-10-24 23:51:57,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-24 23:51:57,761 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:51:57,762 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-24 23:51:57,762 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:51:57,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:51:57,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1588590024, now seen corresponding path program 1 times [2018-10-24 23:51:57,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:51:57,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:51:57,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:51:57,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:51:57,764 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:51:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:51:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-24 23:51:58,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:51:58,315 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:51:58,315 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-10-24 23:51:58,316 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [778], [780], [783], [791], [799], [807], [815], [823], [831], [839], [847], [855], [863], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1227], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1282], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 23:51:58,321 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:51:58,321 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:52:01,434 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 23:52:01,434 INFO L272 AbstractInterpreter]: Visited 97 different actions 193 times. Merged at 7 different actions 11 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 26 variables. [2018-10-24 23:52:01,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:52:01,461 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 23:52:01,461 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:52:01,461 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-10-24 23:52:01,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:52:01,472 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 23:52:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:52:01,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 23:52:01,959 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 17 [2018-10-24 23:52:02,366 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-24 23:52:02,366 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 23:52:07,187 WARN L179 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 39 DAG size of output: 15 [2018-10-24 23:52:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 33 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:52:07,792 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 23:52:07,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 16 [2018-10-24 23:52:07,793 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 23:52:07,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 23:52:07,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 23:52:07,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2018-10-24 23:52:07,796 INFO L87 Difference]: Start difference. First operand 11816 states and 15405 transitions. Second operand 10 states. [2018-10-24 23:52:11,482 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-24 23:52:28,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:52:28,622 INFO L93 Difference]: Finished difference Result 50607 states and 71031 transitions. [2018-10-24 23:52:28,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-24 23:52:28,623 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2018-10-24 23:52:28,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:52:28,860 INFO L225 Difference]: With dead ends: 50607 [2018-10-24 23:52:28,861 INFO L226 Difference]: Without dead ends: 38797 [2018-10-24 23:52:29,017 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 363 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=150, Invalid=356, Unknown=0, NotChecked=0, Total=506 [2018-10-24 23:52:29,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38797 states. [2018-10-24 23:52:30,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38797 to 38562. [2018-10-24 23:52:30,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38562 states. [2018-10-24 23:52:30,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38562 states to 38562 states and 49751 transitions. [2018-10-24 23:52:30,308 INFO L78 Accepts]: Start accepts. Automaton has 38562 states and 49751 transitions. Word has length 185 [2018-10-24 23:52:30,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:52:30,309 INFO L481 AbstractCegarLoop]: Abstraction has 38562 states and 49751 transitions. [2018-10-24 23:52:30,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 23:52:30,309 INFO L276 IsEmpty]: Start isEmpty. Operand 38562 states and 49751 transitions. [2018-10-24 23:52:30,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-24 23:52:30,322 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:52:30,322 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-24 23:52:30,322 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:52:30,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:52:30,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1578484547, now seen corresponding path program 1 times [2018-10-24 23:52:30,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:52:30,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:52:30,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:52:30,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:52:30,324 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:52:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:52:30,651 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 23:52:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 23 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 23:52:31,398 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:52:31,399 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:52:31,399 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-10-24 23:52:31,399 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [778], [780], [783], [791], [799], [807], [815], [823], [831], [839], [847], [855], [863], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1318], [1322], [1326], [1330], [1334], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 23:52:31,404 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:52:31,405 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:52:32,638 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 23:52:32,638 INFO L272 AbstractInterpreter]: Visited 119 different actions 343 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 23:52:32,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:52:32,676 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 23:52:32,676 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:52:32,676 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 23:52:32,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:52:32,688 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 23:52:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:52:32,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 23:52:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-24 23:52:32,976 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 23:52:33,144 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-24 23:52:33,169 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-24 23:52:33,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-10-24 23:52:33,169 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 23:52:33,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 23:52:33,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 23:52:33,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:52:33,170 INFO L87 Difference]: Start difference. First operand 38562 states and 49751 transitions. Second operand 3 states. [2018-10-24 23:52:37,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:52:37,654 INFO L93 Difference]: Finished difference Result 76246 states and 98797 transitions. [2018-10-24 23:52:37,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 23:52:37,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2018-10-24 23:52:37,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:52:37,798 INFO L225 Difference]: With dead ends: 76246 [2018-10-24 23:52:37,798 INFO L226 Difference]: Without dead ends: 37690 [2018-10-24 23:52:37,961 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 412 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-10-24 23:52:37,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37690 states. [2018-10-24 23:52:38,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37690 to 36815. [2018-10-24 23:52:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36815 states. [2018-10-24 23:52:38,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36815 states to 36815 states and 45699 transitions. [2018-10-24 23:52:38,675 INFO L78 Accepts]: Start accepts. Automaton has 36815 states and 45699 transitions. Word has length 206 [2018-10-24 23:52:38,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:52:38,676 INFO L481 AbstractCegarLoop]: Abstraction has 36815 states and 45699 transitions. [2018-10-24 23:52:38,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 23:52:38,676 INFO L276 IsEmpty]: Start isEmpty. Operand 36815 states and 45699 transitions. [2018-10-24 23:52:38,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-24 23:52:38,686 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:52:38,687 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:52:38,687 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:52:38,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:52:38,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1011181738, now seen corresponding path program 1 times [2018-10-24 23:52:38,688 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:52:38,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:52:38,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:52:38,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:52:38,689 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:52:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:52:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 48 proven. 213 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-24 23:52:39,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:52:39,241 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:52:39,241 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 283 with the following transitions: [2018-10-24 23:52:39,242 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [778], [780], [783], [791], [799], [807], [815], [823], [831], [839], [847], [855], [863], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1223], [1224], [1227], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1318], [1322], [1326], [1330], [1334], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 23:52:39,247 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:52:39,247 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:52:40,714 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 23:52:40,714 INFO L272 AbstractInterpreter]: Visited 120 different actions 346 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 26 variables. [2018-10-24 23:52:40,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:52:40,755 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 23:52:40,755 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:52:40,755 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 23:52:40,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:52:40,773 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 23:52:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:52:40,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 23:52:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 251 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-24 23:52:41,211 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 23:52:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 120 proven. 75 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-24 23:52:41,627 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 23:52:41,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2018-10-24 23:52:41,627 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 23:52:41,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-24 23:52:41,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-24 23:52:41,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-10-24 23:52:41,629 INFO L87 Difference]: Start difference. First operand 36815 states and 45699 transitions. Second operand 13 states. [2018-10-24 23:53:02,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 23:53:02,032 INFO L93 Difference]: Finished difference Result 93596 states and 119073 transitions. [2018-10-24 23:53:02,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-10-24 23:53:02,033 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 282 [2018-10-24 23:53:02,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 23:53:02,236 INFO L225 Difference]: With dead ends: 93596 [2018-10-24 23:53:02,236 INFO L226 Difference]: Without dead ends: 47947 [2018-10-24 23:53:02,362 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 599 SyntacticMatches, 3 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=537, Invalid=2325, Unknown=0, NotChecked=0, Total=2862 [2018-10-24 23:53:02,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47947 states. [2018-10-24 23:53:03,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47947 to 43299. [2018-10-24 23:53:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43299 states. [2018-10-24 23:53:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43299 states to 43299 states and 52180 transitions. [2018-10-24 23:53:03,248 INFO L78 Accepts]: Start accepts. Automaton has 43299 states and 52180 transitions. Word has length 282 [2018-10-24 23:53:03,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 23:53:03,248 INFO L481 AbstractCegarLoop]: Abstraction has 43299 states and 52180 transitions. [2018-10-24 23:53:03,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-24 23:53:03,249 INFO L276 IsEmpty]: Start isEmpty. Operand 43299 states and 52180 transitions. [2018-10-24 23:53:03,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-24 23:53:03,256 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 23:53:03,257 INFO L375 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 23:53:03,257 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 23:53:03,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:53:03,257 INFO L82 PathProgramCache]: Analyzing trace with hash 2026086980, now seen corresponding path program 1 times [2018-10-24 23:53:03,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 23:53:03,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:53:03,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:53:03,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 23:53:03,259 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 23:53:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:53:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-10-24 23:53:03,970 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:53:03,970 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 23:53:03,970 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 316 with the following transitions: [2018-10-24 23:53:03,971 INFO L202 CegarAbsIntRunner]: [0], [1], [711], [718], [726], [734], [742], [750], [758], [766], [774], [778], [780], [783], [791], [799], [807], [815], [823], [831], [839], [847], [855], [863], [871], [879], [887], [895], [903], [911], [919], [927], [935], [943], [951], [959], [967], [975], [983], [991], [999], [1007], [1015], [1023], [1031], [1039], [1047], [1055], [1063], [1071], [1079], [1087], [1095], [1103], [1111], [1119], [1127], [1135], [1143], [1151], [1159], [1167], [1175], [1183], [1191], [1199], [1204], [1208], [1212], [1216], [1220], [1224], [1227], [1228], [1232], [1236], [1240], [1244], [1255], [1259], [1263], [1267], [1271], [1275], [1279], [1282], [1283], [1287], [1291], [1295], [1299], [1303], [1307], [1318], [1322], [1326], [1330], [1334], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1428], [1432], [1436], [1440], [1451], [1455], [1459], [1463], [1467], [1471], [1475], [1478], [2279], [2283], [2287], [2293], [2297], [2299], [2306], [2307], [2308], [2310], [2311] [2018-10-24 23:53:03,974 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 23:53:03,975 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 23:53:06,222 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 23:53:06,222 INFO L272 AbstractInterpreter]: Visited 140 different actions 281 times. Merged at 8 different actions 13 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 26 variables. [2018-10-24 23:53:06,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 23:53:06,223 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 23:53:06,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 23:53:06,224 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 23:53:06,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 23:53:06,231 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 23:53:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 23:53:06,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 23:53:06,485 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 195 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-10-24 23:53:06,486 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 23:53:06,676 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 195 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-10-24 23:53:06,697 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 23:53:06,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 15 [2018-10-24 23:53:06,697 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 23:53:06,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-24 23:53:06,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-24 23:53:06,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-10-24 23:53:06,699 INFO L87 Difference]: Start difference. First operand 43299 states and 52180 transitions. Second operand 12 states. Received shutdown request... [2018-10-24 23:53:18,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-24 23:53:18,243 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 23:53:18,251 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 23:53:18,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:53:18 BoogieIcfgContainer [2018-10-24 23:53:18,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 23:53:18,253 INFO L168 Benchmark]: Toolchain (without parser) took 241352.56 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -84.4 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-24 23:53:18,254 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 23:53:18,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1566.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-10-24 23:53:18,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 484.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 798.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -947.3 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. [2018-10-24 23:53:18,256 INFO L168 Benchmark]: Boogie Preprocessor took 267.27 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2018-10-24 23:53:18,257 INFO L168 Benchmark]: RCFGBuilder took 14199.29 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 472.6 MB). Peak memory consumption was 472.6 MB. Max. memory is 7.1 GB. [2018-10-24 23:53:18,258 INFO L168 Benchmark]: TraceAbstraction took 224827.66 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 1.7 GB in the beginning and 1.5 GB in the end (delta: 224.5 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-24 23:53:18,264 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1566.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 484.82 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 798.5 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -947.3 MB). Peak memory consumption was 56.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 267.27 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 14199.29 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 472.6 MB). Peak memory consumption was 472.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 224827.66 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 1.7 GB in the beginning and 1.5 GB in the end (delta: 224.5 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 50). Cancelled while BasicCegarLoop was constructing difference of abstraction (43299states) and FLOYD_HOARE automaton (currently 17 states, 12 states before enhancement),while ReachableStatesComputation was computing reachable states (16304 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 604 locations, 1 error locations. TIMEOUT Result, 224.7s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 140.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2395 SDtfs, 28507 SDslu, 3304 SDs, 0 SdLazy, 33192 SolverSat, 9527 SolverUnsat, 14 SolverUnknown, 0 SolverNotchecked, 125.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2342 GetRequests, 2202 SyntacticMatches, 11 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 977 ImplicationChecksByTransitivity, 66.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43299occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.1s AbstIntTime, 5 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 5920 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 68.5s InterpolantComputationTime, 2453 NumberOfCodeBlocks, 2453 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3519 ConstructedInterpolants, 195 QuantifiedInterpolants, 3991825 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2080 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 1851/2341 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown