java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 03:35:24,964 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 03:35:24,966 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 03:35:24,978 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 03:35:24,978 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 03:35:24,979 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 03:35:24,981 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 03:35:24,983 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 03:35:24,984 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 03:35:24,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 03:35:24,986 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 03:35:24,986 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 03:35:24,987 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 03:35:24,988 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 03:35:24,989 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 03:35:24,990 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 03:35:24,991 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 03:35:24,993 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 03:35:24,995 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 03:35:24,997 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 03:35:24,998 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 03:35:24,999 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 03:35:25,001 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 03:35:25,008 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 03:35:25,008 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 03:35:25,009 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 03:35:25,010 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 03:35:25,010 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 03:35:25,026 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 03:35:25,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 03:35:25,027 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 03:35:25,027 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 03:35:25,027 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 03:35:25,027 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 03:35:25,028 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 03:35:25,028 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 03:35:25,028 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 03:35:25,028 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 03:35:25,028 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 03:35:25,029 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 03:35:25,029 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 03:35:25,029 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 03:35:25,030 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 03:35:25,030 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 03:35:25,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 03:35:25,030 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 03:35:25,030 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 03:35:25,031 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 03:35:25,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 03:35:25,031 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 03:35:25,031 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 03:35:25,031 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 03:35:25,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:35:25,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 03:35:25,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 03:35:25,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 03:35:25,033 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 03:35:25,033 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 03:35:25,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 03:35:25,033 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 03:35:25,033 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 03:35:25,033 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 03:35:25,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 03:35:25,092 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 03:35:25,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 03:35:25,097 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 03:35:25,098 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 03:35:25,099 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c [2018-11-07 03:35:25,180 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77696715d/17295a753d8540a6adcabec0da74c93b/FLAG549adf3ac [2018-11-07 03:35:25,877 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 03:35:25,878 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label26_true-unreach-call.c [2018-11-07 03:35:25,904 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77696715d/17295a753d8540a6adcabec0da74c93b/FLAG549adf3ac [2018-11-07 03:35:25,922 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77696715d/17295a753d8540a6adcabec0da74c93b [2018-11-07 03:35:25,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 03:35:25,936 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 03:35:25,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 03:35:25,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 03:35:25,943 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 03:35:25,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:25" (1/1) ... [2018-11-07 03:35:25,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c4d1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:25, skipping insertion in model container [2018-11-07 03:35:25,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:35:25" (1/1) ... [2018-11-07 03:35:25,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 03:35:26,049 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 03:35:26,894 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:35:26,899 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 03:35:27,185 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 03:35:27,207 INFO L193 MainTranslator]: Completed translation [2018-11-07 03:35:27,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:27 WrapperNode [2018-11-07 03:35:27,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 03:35:27,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 03:35:27,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 03:35:27,209 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 03:35:27,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:27" (1/1) ... [2018-11-07 03:35:27,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:27" (1/1) ... [2018-11-07 03:35:27,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 03:35:27,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 03:35:27,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 03:35:27,424 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 03:35:27,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:27" (1/1) ... [2018-11-07 03:35:27,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:27" (1/1) ... [2018-11-07 03:35:27,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:27" (1/1) ... [2018-11-07 03:35:27,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:27" (1/1) ... [2018-11-07 03:35:27,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:27" (1/1) ... [2018-11-07 03:35:27,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:27" (1/1) ... [2018-11-07 03:35:27,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:27" (1/1) ... [2018-11-07 03:35:27,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 03:35:27,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 03:35:27,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 03:35:27,628 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 03:35:27,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 03:35:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 03:35:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 03:35:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 03:35:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 03:35:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 03:35:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 03:35:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 03:35:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 03:35:27,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 03:35:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 03:35:27,703 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 03:35:34,715 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 03:35:34,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:34 BoogieIcfgContainer [2018-11-07 03:35:34,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 03:35:34,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 03:35:34,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 03:35:34,721 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 03:35:34,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:35:25" (1/3) ... [2018-11-07 03:35:34,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e89411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:34, skipping insertion in model container [2018-11-07 03:35:34,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:35:27" (2/3) ... [2018-11-07 03:35:34,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e89411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:35:34, skipping insertion in model container [2018-11-07 03:35:34,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:35:34" (3/3) ... [2018-11-07 03:35:34,725 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label26_true-unreach-call.c [2018-11-07 03:35:34,736 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 03:35:34,746 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 03:35:34,763 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 03:35:34,805 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 03:35:34,806 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 03:35:34,806 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 03:35:34,806 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 03:35:34,806 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 03:35:34,806 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 03:35:34,807 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 03:35:34,807 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 03:35:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states. [2018-11-07 03:35:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-07 03:35:34,851 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:35:34,852 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:35:34,855 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:35:34,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:35:34,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1626414812, now seen corresponding path program 1 times [2018-11-07 03:35:34,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:35:34,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:35:34,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:35:34,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:35:34,916 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:35:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:35:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:35:35,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:35:35,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:35:35,386 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:35:35,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:35:35,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:35:35,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:35:35,413 INFO L87 Difference]: Start difference. First operand 438 states. Second operand 4 states. [2018-11-07 03:35:42,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:35:42,858 INFO L93 Difference]: Finished difference Result 1558 states and 2849 transitions. [2018-11-07 03:35:42,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:35:42,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-11-07 03:35:42,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:35:42,889 INFO L225 Difference]: With dead ends: 1558 [2018-11-07 03:35:42,889 INFO L226 Difference]: Without dead ends: 1114 [2018-11-07 03:35:42,900 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:35:42,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2018-11-07 03:35:43,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1091. [2018-11-07 03:35:43,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2018-11-07 03:35:43,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1853 transitions. [2018-11-07 03:35:43,062 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1853 transitions. Word has length 60 [2018-11-07 03:35:43,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:35:43,063 INFO L480 AbstractCegarLoop]: Abstraction has 1091 states and 1853 transitions. [2018-11-07 03:35:43,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:35:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1853 transitions. [2018-11-07 03:35:43,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-07 03:35:43,073 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:35:43,073 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 03:35:43,074 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:35:43,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:35:43,074 INFO L82 PathProgramCache]: Analyzing trace with hash -30432942, now seen corresponding path program 1 times [2018-11-07 03:35:43,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:35:43,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:35:43,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:35:43,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:35:43,076 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:35:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:35:43,411 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:35:43,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:35:43,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 03:35:43,412 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:35:43,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 03:35:43,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 03:35:43,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 03:35:43,415 INFO L87 Difference]: Start difference. First operand 1091 states and 1853 transitions. Second operand 5 states. [2018-11-07 03:35:48,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:35:48,598 INFO L93 Difference]: Finished difference Result 3243 states and 5585 transitions. [2018-11-07 03:35:48,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:35:48,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-11-07 03:35:48,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:35:48,627 INFO L225 Difference]: With dead ends: 3243 [2018-11-07 03:35:48,627 INFO L226 Difference]: Without dead ends: 2158 [2018-11-07 03:35:48,634 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 [2018-11-07 03:35:48,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2018-11-07 03:35:48,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2114. [2018-11-07 03:35:48,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2018-11-07 03:35:48,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 3176 transitions. [2018-11-07 03:35:48,735 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 3176 transitions. Word has length 133 [2018-11-07 03:35:48,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:35:48,735 INFO L480 AbstractCegarLoop]: Abstraction has 2114 states and 3176 transitions. [2018-11-07 03:35:48,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 03:35:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 3176 transitions. [2018-11-07 03:35:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-07 03:35:48,741 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:35:48,741 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 03:35:48,741 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:35:48,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:35:48,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1329379774, now seen corresponding path program 1 times [2018-11-07 03:35:48,744 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:35:48,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:35:48,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:35:48,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:35:48,749 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:35:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:35:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:35:49,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:35:49,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:35:49,042 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:35:49,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:35:49,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:35:49,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:35:49,044 INFO L87 Difference]: Start difference. First operand 2114 states and 3176 transitions. Second operand 4 states. [2018-11-07 03:35:54,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:35:54,735 INFO L93 Difference]: Finished difference Result 7960 states and 12495 transitions. [2018-11-07 03:35:54,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:35:54,736 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2018-11-07 03:35:54,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:35:54,777 INFO L225 Difference]: With dead ends: 7960 [2018-11-07 03:35:54,778 INFO L226 Difference]: Without dead ends: 5852 [2018-11-07 03:35:54,804 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:35:54,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5852 states. [2018-11-07 03:35:54,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5852 to 5847. [2018-11-07 03:35:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5847 states. [2018-11-07 03:35:54,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5847 states to 5847 states and 8247 transitions. [2018-11-07 03:35:54,984 INFO L78 Accepts]: Start accepts. Automaton has 5847 states and 8247 transitions. Word has length 141 [2018-11-07 03:35:54,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:35:54,985 INFO L480 AbstractCegarLoop]: Abstraction has 5847 states and 8247 transitions. [2018-11-07 03:35:54,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:35:54,985 INFO L276 IsEmpty]: Start isEmpty. Operand 5847 states and 8247 transitions. [2018-11-07 03:35:54,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-07 03:35:54,989 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:35:54,990 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-07 03:35:54,990 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:35:54,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:35:54,991 INFO L82 PathProgramCache]: Analyzing trace with hash -386539338, now seen corresponding path program 1 times [2018-11-07 03:35:54,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:35:54,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:35:54,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:35:54,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:35:54,992 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:35:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:35:55,240 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 03:35:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 03:35:55,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:35:55,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 03:35:55,373 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:35:55,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 03:35:55,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 03:35:55,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 03:35:55,374 INFO L87 Difference]: Start difference. First operand 5847 states and 8247 transitions. Second operand 6 states. [2018-11-07 03:35:59,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:35:59,229 INFO L93 Difference]: Finished difference Result 13531 states and 18782 transitions. [2018-11-07 03:35:59,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 03:35:59,229 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-11-07 03:35:59,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:35:59,273 INFO L225 Difference]: With dead ends: 13531 [2018-11-07 03:35:59,273 INFO L226 Difference]: Without dead ends: 7690 [2018-11-07 03:35:59,315 INFO L604 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 [2018-11-07 03:35:59,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7690 states. [2018-11-07 03:35:59,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7690 to 7626. [2018-11-07 03:35:59,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7626 states. [2018-11-07 03:35:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7626 states to 7626 states and 9939 transitions. [2018-11-07 03:35:59,513 INFO L78 Accepts]: Start accepts. Automaton has 7626 states and 9939 transitions. Word has length 160 [2018-11-07 03:35:59,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:35:59,513 INFO L480 AbstractCegarLoop]: Abstraction has 7626 states and 9939 transitions. [2018-11-07 03:35:59,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 03:35:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 7626 states and 9939 transitions. [2018-11-07 03:35:59,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-07 03:35:59,521 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:35:59,521 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:35:59,521 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:35:59,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:35:59,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1240653666, now seen corresponding path program 1 times [2018-11-07 03:35:59,522 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:35:59,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:35:59,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:35:59,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:35:59,524 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:35:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:35:59,874 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-07 03:35:59,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 03:35:59,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 03:35:59,875 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:35:59,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 03:35:59,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 03:35:59,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:35:59,877 INFO L87 Difference]: Start difference. First operand 7626 states and 9939 transitions. Second operand 4 states. [2018-11-07 03:36:04,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:36:04,194 INFO L93 Difference]: Finished difference Result 24545 states and 32869 transitions. [2018-11-07 03:36:04,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 03:36:04,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 215 [2018-11-07 03:36:04,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:36:04,272 INFO L225 Difference]: With dead ends: 24545 [2018-11-07 03:36:04,273 INFO L226 Difference]: Without dead ends: 16925 [2018-11-07 03:36:04,325 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 03:36:04,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16925 states. [2018-11-07 03:36:04,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16925 to 16303. [2018-11-07 03:36:04,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16303 states. [2018-11-07 03:36:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16303 states to 16303 states and 20254 transitions. [2018-11-07 03:36:04,777 INFO L78 Accepts]: Start accepts. Automaton has 16303 states and 20254 transitions. Word has length 215 [2018-11-07 03:36:04,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:36:04,778 INFO L480 AbstractCegarLoop]: Abstraction has 16303 states and 20254 transitions. [2018-11-07 03:36:04,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-07 03:36:04,780 INFO L276 IsEmpty]: Start isEmpty. Operand 16303 states and 20254 transitions. [2018-11-07 03:36:04,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-07 03:36:04,793 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:36:04,794 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 03:36:04,794 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:36:04,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:36:04,794 INFO L82 PathProgramCache]: Analyzing trace with hash -624386788, now seen corresponding path program 1 times [2018-11-07 03:36:04,795 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:36:04,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:04,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:36:04,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:36:04,796 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:36:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:36:05,487 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-07 03:36:05,487 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:36:05,488 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:36:05,488 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-11-07 03:36:05,491 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [714], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-07 03:36:05,580 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:36:05,580 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:36:07,678 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:36:08,494 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:36:08,496 INFO L272 AbstractInterpreter]: Visited 105 different actions 105 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-11-07 03:36:08,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:36:08,544 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:36:10,969 INFO L227 lantSequenceWeakener]: Weakened 233 states. On average, predicates are now at 78.18% of their original sizes. [2018-11-07 03:36:10,969 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:36:11,567 INFO L415 sIntCurrentIteration]: We unified 240 AI predicates to 240 [2018-11-07 03:36:11,568 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:36:11,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:36:11,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-11-07 03:36:11,569 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:36:11,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-07 03:36:11,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-07 03:36:11,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-07 03:36:11,571 INFO L87 Difference]: Start difference. First operand 16303 states and 20254 transitions. Second operand 8 states. [2018-11-07 03:37:45,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 03:37:45,842 INFO L93 Difference]: Finished difference Result 32910 states and 40864 transitions. [2018-11-07 03:37:45,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-07 03:37:45,842 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 241 [2018-11-07 03:37:45,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 03:37:45,907 INFO L225 Difference]: With dead ends: 32910 [2018-11-07 03:37:45,908 INFO L226 Difference]: Without dead ends: 16613 [2018-11-07 03:37:45,957 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 242 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-11-07 03:37:45,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16613 states. [2018-11-07 03:37:46,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16613 to 16611. [2018-11-07 03:37:46,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16611 states. [2018-11-07 03:37:46,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16611 states to 16611 states and 20571 transitions. [2018-11-07 03:37:46,521 INFO L78 Accepts]: Start accepts. Automaton has 16611 states and 20571 transitions. Word has length 241 [2018-11-07 03:37:46,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 03:37:46,522 INFO L480 AbstractCegarLoop]: Abstraction has 16611 states and 20571 transitions. [2018-11-07 03:37:46,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-07 03:37:46,522 INFO L276 IsEmpty]: Start isEmpty. Operand 16611 states and 20571 transitions. [2018-11-07 03:37:46,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-11-07 03:37:46,539 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 03:37:46,540 INFO L375 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, 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, 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] [2018-11-07 03:37:46,540 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 03:37:46,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:37:46,541 INFO L82 PathProgramCache]: Analyzing trace with hash 675271699, now seen corresponding path program 1 times [2018-11-07 03:37:46,541 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 03:37:46,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:37:46,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 03:37:46,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 03:37:46,542 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 03:37:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 03:37:47,637 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-07 03:37:47,946 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-07 03:37:48,136 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 243 proven. 169 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 03:37:48,137 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 03:37:48,137 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 03:37:48,137 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 338 with the following transitions: [2018-11-07 03:37:48,138 INFO L202 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [453], [455], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [714], [1635], [1639], [1643], [1649], [1653], [1655], [1662], [1663], [1664], [1666], [1667] [2018-11-07 03:37:48,144 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 03:37:48,144 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 03:37:50,366 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 03:37:58,399 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 03:37:58,399 INFO L272 AbstractInterpreter]: Visited 109 different actions 315 times. Merged at 5 different actions 10 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 03:37:58,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 03:37:58,405 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 03:38:03,029 INFO L227 lantSequenceWeakener]: Weakened 65 states. On average, predicates are now at 78.25% of their original sizes. [2018-11-07 03:38:03,030 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 03:39:01,817 INFO L415 sIntCurrentIteration]: We unified 336 AI predicates to 336 [2018-11-07 03:39:01,817 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 03:39:01,818 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 03:39:01,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [11] total 27 [2018-11-07 03:39:01,818 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 03:39:01,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-07 03:39:01,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-07 03:39:01,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2018-11-07 03:39:01,819 INFO L87 Difference]: Start difference. First operand 16611 states and 20571 transitions. Second operand 18 states. Received shutdown request... [2018-11-07 03:39:14,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-07 03:39:14,319 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 03:39:14,325 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 03:39:14,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:39:14 BoogieIcfgContainer [2018-11-07 03:39:14,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 03:39:14,326 INFO L168 Benchmark]: Toolchain (without parser) took 228391.41 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 164.9 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2018-11-07 03:39:14,327 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 03:39:14,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1271.26 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-11-07 03:39:14,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 214.72 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -884.5 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2018-11-07 03:39:14,329 INFO L168 Benchmark]: Boogie Preprocessor took 203.14 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2018-11-07 03:39:14,330 INFO L168 Benchmark]: RCFGBuilder took 7089.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 292.2 MB). Peak memory consumption was 292.2 MB. Max. memory is 7.1 GB. [2018-11-07 03:39:14,331 INFO L168 Benchmark]: TraceAbstraction took 219607.74 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 1.2 GB in the end (delta: 637.4 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-11-07 03:39:14,336 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1271.26 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: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 214.72 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -884.5 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 203.14 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7089.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 292.2 MB). Peak memory consumption was 292.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 219607.74 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 1.9 GB in the beginning and 1.2 GB in the end (delta: 637.4 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 166]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 166). Cancelled while BasicCegarLoop was constructing difference of abstraction (16611states) and FLOYD_HOARE automaton (currently 9 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (36 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 438 locations, 1 error locations. TIMEOUT Result, 219.5s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 133.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1783 SDtfs, 5842 SDslu, 1569 SDs, 0 SdLazy, 12210 SolverSat, 2364 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 89.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 618 GetRequests, 493 SyntacticMatches, 77 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 59.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16611occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 13.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.995757221215781 AbsIntWeakeningRatio, 0.10069444444444445 AbsIntAvgWeakeningVarsNumRemoved, 526.234375 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 760 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1287 NumberOfCodeBlocks, 1287 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1280 ConstructedInterpolants, 0 QuantifiedInterpolants, 1172892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 772/943 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown