java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:37:03,853 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:37:03,860 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:37:03,873 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:37:03,873 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:37:03,874 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:37:03,876 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:37:03,877 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:37:03,879 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:37:03,880 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:37:03,881 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:37:03,881 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:37:03,882 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:37:03,883 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:37:03,884 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:37:03,885 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:37:03,886 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:37:03,888 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:37:03,890 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:37:03,891 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:37:03,892 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:37:03,898 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:37:03,901 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 21:37:03,917 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 21:37:03,949 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:37:03,950 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:37:03,951 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:37:03,951 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:37:03,951 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:37:03,951 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:37:03,952 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:37:03,952 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:37:03,952 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:37:03,952 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:37:03,952 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:37:03,952 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:37:03,954 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:37:03,954 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:37:03,954 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:37:03,954 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:37:03,955 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:37:03,955 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:37:03,955 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:37:03,955 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:37:03,955 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:37:03,956 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:37:03,956 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:37:03,956 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:37:03,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:37:03,956 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:37:03,957 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:37:03,957 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:37:03,957 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:37:03,957 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:37:03,957 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:37:03,958 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:37:03,958 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:37:03,958 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:37:04,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:37:04,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:37:04,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:37:04,040 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:37:04,041 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:37:04,041 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c [2018-10-24 21:37:04,102 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2bccd4b58/0059bbcf97494ef5923a37adb5dfa021/FLAG0b2987cc6 [2018-10-24 21:37:04,753 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:37:04,754 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c [2018-10-24 21:37:04,779 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2bccd4b58/0059bbcf97494ef5923a37adb5dfa021/FLAG0b2987cc6 [2018-10-24 21:37:04,796 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2bccd4b58/0059bbcf97494ef5923a37adb5dfa021 [2018-10-24 21:37:04,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:37:04,809 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:37:04,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:37:04,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:37:04,815 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:37:04,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:37:04" (1/1) ... [2018-10-24 21:37:04,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4a2b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:04, skipping insertion in model container [2018-10-24 21:37:04,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:37:04" (1/1) ... [2018-10-24 21:37:04,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:37:04,918 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:37:05,467 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:37:05,472 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:37:05,582 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:37:05,600 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:37:05,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:05 WrapperNode [2018-10-24 21:37:05,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:37:05,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:37:05,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:37:05,602 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:37:05,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:05" (1/1) ... [2018-10-24 21:37:05,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:05" (1/1) ... [2018-10-24 21:37:05,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:37:05,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:37:05,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:37:05,821 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:37:05,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:05" (1/1) ... [2018-10-24 21:37:05,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:05" (1/1) ... [2018-10-24 21:37:05,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:05" (1/1) ... [2018-10-24 21:37:05,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:05" (1/1) ... [2018-10-24 21:37:05,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:05" (1/1) ... [2018-10-24 21:37:05,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:05" (1/1) ... [2018-10-24 21:37:05,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:05" (1/1) ... [2018-10-24 21:37:05,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:37:05,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:37:05,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:37:05,957 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:37:05,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:05" (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 21:37:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:37:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:37:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:37:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:37:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:37:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:37:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:37:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:37:09,641 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:37:09,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:37:09 BoogieIcfgContainer [2018-10-24 21:37:09,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:37:09,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:37:09,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:37:09,647 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:37:09,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:37:04" (1/3) ... [2018-10-24 21:37:09,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71cf4c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:37:09, skipping insertion in model container [2018-10-24 21:37:09,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:37:05" (2/3) ... [2018-10-24 21:37:09,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71cf4c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:37:09, skipping insertion in model container [2018-10-24 21:37:09,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:37:09" (3/3) ... [2018-10-24 21:37:09,651 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label05_true-unreach-call_false-termination.c [2018-10-24 21:37:09,663 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:37:09,673 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:37:09,692 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:37:09,736 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:37:09,736 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:37:09,736 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:37:09,737 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:37:09,737 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:37:09,737 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:37:09,737 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:37:09,737 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:37:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-10-24 21:37:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-24 21:37:09,795 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:37:09,796 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:37:09,798 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:37:09,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:37:09,804 INFO L82 PathProgramCache]: Analyzing trace with hash 638958820, now seen corresponding path program 1 times [2018-10-24 21:37:09,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:37:09,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:09,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:37:09,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:09,858 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:37:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:37:10,320 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 21:37:10,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:37:10,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 21:37:10,324 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:37:10,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 21:37:10,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 21:37:10,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:37:10,352 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-10-24 21:37:12,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:37:12,239 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-10-24 21:37:12,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 21:37:12,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-10-24 21:37:12,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:37:12,262 INFO L225 Difference]: With dead ends: 691 [2018-10-24 21:37:12,262 INFO L226 Difference]: Without dead ends: 434 [2018-10-24 21:37:12,271 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:37:12,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-10-24 21:37:12,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-10-24 21:37:12,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-10-24 21:37:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-10-24 21:37:12,361 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 70 [2018-10-24 21:37:12,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:37:12,362 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-10-24 21:37:12,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 21:37:12,362 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-10-24 21:37:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-24 21:37:12,371 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:37:12,372 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:37:12,372 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:37:12,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:37:12,373 INFO L82 PathProgramCache]: Analyzing trace with hash 781618536, now seen corresponding path program 1 times [2018-10-24 21:37:12,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:37:12,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:12,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:37:12,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:12,375 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:37:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:37:12,757 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:37:12,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:37:12,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:37:12,758 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:37:12,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:37:12,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:37:12,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:37:12,763 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-10-24 21:37:16,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:37:16,851 INFO L93 Difference]: Finished difference Result 1588 states and 2935 transitions. [2018-10-24 21:37:16,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:37:16,852 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-10-24 21:37:16,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:37:16,867 INFO L225 Difference]: With dead ends: 1588 [2018-10-24 21:37:16,867 INFO L226 Difference]: Without dead ends: 1160 [2018-10-24 21:37:16,874 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:37:16,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2018-10-24 21:37:16,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1153. [2018-10-24 21:37:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2018-10-24 21:37:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1887 transitions. [2018-10-24 21:37:16,947 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1887 transitions. Word has length 140 [2018-10-24 21:37:16,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:37:16,948 INFO L481 AbstractCegarLoop]: Abstraction has 1153 states and 1887 transitions. [2018-10-24 21:37:16,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:37:16,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1887 transitions. [2018-10-24 21:37:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-24 21:37:16,953 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:37:16,953 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, 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] [2018-10-24 21:37:16,953 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:37:16,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:37:16,954 INFO L82 PathProgramCache]: Analyzing trace with hash 386881263, now seen corresponding path program 1 times [2018-10-24 21:37:16,954 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:37:16,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:16,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:37:16,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:16,955 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:37:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:37:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:37:17,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:37:17,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:37:17,189 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:37:17,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:37:17,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:37:17,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:37:17,190 INFO L87 Difference]: Start difference. First operand 1153 states and 1887 transitions. Second operand 5 states. [2018-10-24 21:37:19,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:37:19,708 INFO L93 Difference]: Finished difference Result 2716 states and 4601 transitions. [2018-10-24 21:37:19,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:37:19,711 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-10-24 21:37:19,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:37:19,727 INFO L225 Difference]: With dead ends: 2716 [2018-10-24 21:37:19,727 INFO L226 Difference]: Without dead ends: 1569 [2018-10-24 21:37:19,732 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 21:37:19,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2018-10-24 21:37:19,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1538. [2018-10-24 21:37:19,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1538 states. [2018-10-24 21:37:19,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2356 transitions. [2018-10-24 21:37:19,799 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2356 transitions. Word has length 141 [2018-10-24 21:37:19,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:37:19,800 INFO L481 AbstractCegarLoop]: Abstraction has 1538 states and 2356 transitions. [2018-10-24 21:37:19,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:37:19,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2356 transitions. [2018-10-24 21:37:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-24 21:37:19,805 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:37:19,805 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, 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] [2018-10-24 21:37:19,806 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:37:19,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:37:19,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1814928629, now seen corresponding path program 1 times [2018-10-24 21:37:19,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:37:19,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:19,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:37:19,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:19,808 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:37:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:37:19,994 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:37:19,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:37:19,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:37:19,994 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:37:19,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:37:19,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:37:19,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:37:19,996 INFO L87 Difference]: Start difference. First operand 1538 states and 2356 transitions. Second operand 5 states. [2018-10-24 21:37:22,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:37:22,520 INFO L93 Difference]: Finished difference Result 4906 states and 7504 transitions. [2018-10-24 21:37:22,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:37:22,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-10-24 21:37:22,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:37:22,544 INFO L225 Difference]: With dead ends: 4906 [2018-10-24 21:37:22,545 INFO L226 Difference]: Without dead ends: 3374 [2018-10-24 21:37:22,558 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:37:22,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3374 states. [2018-10-24 21:37:22,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3374 to 3263. [2018-10-24 21:37:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3263 states. [2018-10-24 21:37:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 4437 transitions. [2018-10-24 21:37:22,658 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 4437 transitions. Word has length 143 [2018-10-24 21:37:22,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:37:22,658 INFO L481 AbstractCegarLoop]: Abstraction has 3263 states and 4437 transitions. [2018-10-24 21:37:22,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:37:22,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 4437 transitions. [2018-10-24 21:37:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-24 21:37:22,666 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:37:22,666 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-24 21:37:22,666 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:37:22,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:37:22,667 INFO L82 PathProgramCache]: Analyzing trace with hash -294094552, now seen corresponding path program 1 times [2018-10-24 21:37:22,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:37:22,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:22,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:37:22,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:22,668 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:37:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:37:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-24 21:37:22,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:37:22,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 21:37:22,954 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:37:22,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 21:37:22,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 21:37:22,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:37:22,957 INFO L87 Difference]: Start difference. First operand 3263 states and 4437 transitions. Second operand 4 states. [2018-10-24 21:37:25,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:37:25,574 INFO L93 Difference]: Finished difference Result 8771 states and 12434 transitions. [2018-10-24 21:37:25,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 21:37:25,575 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 228 [2018-10-24 21:37:25,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:37:25,608 INFO L225 Difference]: With dead ends: 8771 [2018-10-24 21:37:25,608 INFO L226 Difference]: Without dead ends: 5514 [2018-10-24 21:37:25,630 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 21:37:25,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5514 states. [2018-10-24 21:37:25,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5514 to 5512. [2018-10-24 21:37:25,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5512 states. [2018-10-24 21:37:25,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5512 states to 5512 states and 7392 transitions. [2018-10-24 21:37:25,774 INFO L78 Accepts]: Start accepts. Automaton has 5512 states and 7392 transitions. Word has length 228 [2018-10-24 21:37:25,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:37:25,775 INFO L481 AbstractCegarLoop]: Abstraction has 5512 states and 7392 transitions. [2018-10-24 21:37:25,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 21:37:25,775 INFO L276 IsEmpty]: Start isEmpty. Operand 5512 states and 7392 transitions. [2018-10-24 21:37:25,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-24 21:37:25,805 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:37:25,805 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:37:25,805 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:37:25,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:37:25,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2115072535, now seen corresponding path program 1 times [2018-10-24 21:37:25,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:37:25,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:25,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:37:25,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:25,808 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:37:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:37:26,209 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 10 [2018-10-24 21:37:26,398 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 126 proven. 108 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 21:37:26,399 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:37:26,399 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:37:26,400 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 338 with the following transitions: [2018-10-24 21:37:26,403 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [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], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [830], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-24 21:37:26,519 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:37:26,520 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:37:29,271 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:37:33,807 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:37:33,809 INFO L272 AbstractInterpreter]: Visited 159 different actions 159 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-24 21:37:33,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:37:33,821 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:37:37,210 INFO L232 lantSequenceWeakener]: Weakened 329 states. On average, predicates are now at 78.05% of their original sizes. [2018-10-24 21:37:37,210 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:37:37,875 INFO L413 sIntCurrentIteration]: We have 336 unified AI predicates [2018-10-24 21:37:37,876 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:37:37,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:37:37,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-10-24 21:37:37,878 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:37:37,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 21:37:37,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 21:37:37,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:37:37,881 INFO L87 Difference]: Start difference. First operand 5512 states and 7392 transitions. Second operand 8 states. [2018-10-24 21:38:09,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:38:09,898 INFO L93 Difference]: Finished difference Result 11018 states and 14781 transitions. [2018-10-24 21:38:09,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:38:09,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 337 [2018-10-24 21:38:09,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:38:09,928 INFO L225 Difference]: With dead ends: 11018 [2018-10-24 21:38:09,928 INFO L226 Difference]: Without dead ends: 5512 [2018-10-24 21:38:09,953 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 338 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 21:38:09,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2018-10-24 21:38:10,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 5510. [2018-10-24 21:38:10,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5510 states. [2018-10-24 21:38:10,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5510 states to 5510 states and 7355 transitions. [2018-10-24 21:38:10,091 INFO L78 Accepts]: Start accepts. Automaton has 5510 states and 7355 transitions. Word has length 337 [2018-10-24 21:38:10,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:38:10,091 INFO L481 AbstractCegarLoop]: Abstraction has 5510 states and 7355 transitions. [2018-10-24 21:38:10,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 21:38:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 5510 states and 7355 transitions. [2018-10-24 21:38:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-10-24 21:38:10,120 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:38:10,121 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, 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, 2, 2, 2, 2, 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] [2018-10-24 21:38:10,121 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:38:10,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:38:10,122 INFO L82 PathProgramCache]: Analyzing trace with hash 65139688, now seen corresponding path program 1 times [2018-10-24 21:38:10,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:38:10,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:38:10,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:38:10,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:38:10,124 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:38:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:38:10,662 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-24 21:38:10,874 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-24 21:38:11,089 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-24 21:38:11,421 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-10-24 21:38:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 277 proven. 190 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 21:38:12,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:38:12,114 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:38:12,115 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 423 with the following transitions: [2018-10-24 21:38:12,115 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [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], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [830], [948], [952], [956], [962], [966], [968], [973], [974], [975], [977], [978] [2018-10-24 21:38:12,124 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:38:12,124 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:38:15,586 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:38:26,868 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:38:26,869 INFO L272 AbstractInterpreter]: Visited 163 different actions 319 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-24 21:38:26,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:38:26,904 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:38:31,499 INFO L232 lantSequenceWeakener]: Weakened 316 states. On average, predicates are now at 78.17% of their original sizes. [2018-10-24 21:38:31,500 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:38:56,180 INFO L413 sIntCurrentIteration]: We have 421 unified AI predicates [2018-10-24 21:38:56,181 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:38:56,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:38:56,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [12] total 35 [2018-10-24 21:38:56,182 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:38:56,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-24 21:38:56,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-24 21:38:56,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2018-10-24 21:38:56,184 INFO L87 Difference]: Start difference. First operand 5510 states and 7355 transitions. Second operand 25 states. Received shutdown request... [2018-10-24 21:41:04,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-10-24 21:41:04,380 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:41:04,385 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:41:04,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:41:04 BoogieIcfgContainer [2018-10-24 21:41:04,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:41:04,386 INFO L168 Benchmark]: Toolchain (without parser) took 239578.21 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-24 21:41:04,388 INFO L168 Benchmark]: CDTParser took 0.23 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 21:41:04,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-10-24 21:41:04,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 218.42 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -841.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2018-10-24 21:41:04,390 INFO L168 Benchmark]: Boogie Preprocessor took 136.17 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2018-10-24 21:41:04,391 INFO L168 Benchmark]: RCFGBuilder took 3685.39 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 128.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 7.1 GB. [2018-10-24 21:41:04,391 INFO L168 Benchmark]: TraceAbstraction took 234742.13 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 2.0 GB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -649.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-24 21:41:04,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 790.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 218.42 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -841.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.17 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3685.39 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 128.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 234742.13 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 2.0 GB). Free memory was 2.1 GB in the beginning and 2.7 GB in the end (delta: -649.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 193]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 193). Cancelled while BasicCegarLoop was constructing difference of abstraction (5510states) and FLOYD_HOARE automaton (currently 26 states, 25 states before enhancement),while ReachableStatesComputation was computing reachable states (785 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 234.6s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 174.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 925 SDtfs, 5262 SDslu, 890 SDs, 0 SdLazy, 8304 SolverSat, 1553 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 807 GetRequests, 703 SyntacticMatches, 41 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 829 ImplicationChecksByTransitivity, 27.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5512occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 22.2s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9967716769092335 AbsIntWeakeningRatio, 0.07661822985468957 AbsIntAvgWeakeningVarsNumRemoved, 423.5970937912814 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1481 NumberOfCodeBlocks, 1481 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1474 ConstructedInterpolants, 0 QuantifiedInterpolants, 3027761 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 802/1100 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown