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 0.1.23-0fd1304 [2018-10-24 01:32:18,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 01:32:18,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 01:32:18,900 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 01:32:18,900 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 01:32:18,902 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 01:32:18,903 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 01:32:18,905 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 01:32:18,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 01:32:18,909 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 01:32:18,911 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 01:32:18,912 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 01:32:18,913 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 01:32:18,914 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 01:32:18,915 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 01:32:18,916 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 01:32:18,917 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 01:32:18,919 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 01:32:18,921 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 01:32:18,923 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 01:32:18,924 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 01:32:18,925 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 01:32:18,928 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 01:32:18,941 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 01:32:18,969 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 01:32:18,969 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 01:32:18,971 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 01:32:18,971 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 01:32:18,971 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 01:32:18,972 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 01:32:18,972 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 01:32:18,972 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 01:32:18,973 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 01:32:18,973 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 01:32:18,973 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 01:32:18,973 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 01:32:18,974 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 01:32:18,974 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 01:32:18,974 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 01:32:18,975 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 01:32:18,976 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 01:32:18,976 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 01:32:18,976 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 01:32:18,976 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 01:32:18,977 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 01:32:18,977 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 01:32:18,977 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 01:32:18,977 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 01:32:18,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 01:32:18,978 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 01:32:18,978 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 01:32:18,978 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 01:32:18,978 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 01:32:18,978 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 01:32:18,979 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 01:32:18,979 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 01:32:18,979 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 01:32:18,979 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 01:32:19,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 01:32:19,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 01:32:19,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 01:32:19,044 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 01:32:19,044 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 01:32:19,045 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c [2018-10-24 01:32:19,116 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f07e89cac/51f7dee5d9d44f43b7c4f77bd4254942/FLAG0c097ede1 [2018-10-24 01:32:19,740 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 01:32:19,745 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c [2018-10-24 01:32:19,767 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f07e89cac/51f7dee5d9d44f43b7c4f77bd4254942/FLAG0c097ede1 [2018-10-24 01:32:19,786 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/f07e89cac/51f7dee5d9d44f43b7c4f77bd4254942 [2018-10-24 01:32:19,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 01:32:19,804 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 01:32:19,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 01:32:19,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 01:32:19,813 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 01:32:19,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:32:19" (1/1) ... [2018-10-24 01:32:19,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a10bcf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:19, skipping insertion in model container [2018-10-24 01:32:19,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:32:19" (1/1) ... [2018-10-24 01:32:19,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 01:32:19,901 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 01:32:20,532 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:32:20,537 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 01:32:20,731 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 01:32:20,751 INFO L193 MainTranslator]: Completed translation [2018-10-24 01:32:20,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:20 WrapperNode [2018-10-24 01:32:20,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 01:32:20,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 01:32:20,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 01:32:20,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 01:32:20,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:20" (1/1) ... [2018-10-24 01:32:20,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:20" (1/1) ... [2018-10-24 01:32:21,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 01:32:21,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 01:32:21,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 01:32:21,001 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 01:32:21,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:20" (1/1) ... [2018-10-24 01:32:21,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:20" (1/1) ... [2018-10-24 01:32:21,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:20" (1/1) ... [2018-10-24 01:32:21,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:20" (1/1) ... [2018-10-24 01:32:21,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:20" (1/1) ... [2018-10-24 01:32:21,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:20" (1/1) ... [2018-10-24 01:32:21,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:20" (1/1) ... [2018-10-24 01:32:21,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 01:32:21,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 01:32:21,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 01:32:21,125 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 01:32:21,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:20" (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 01:32:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 01:32:21,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 01:32:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 01:32:21,200 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 01:32:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 01:32:21,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 01:32:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 01:32:21,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 01:32:24,734 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 01:32:24,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:32:24 BoogieIcfgContainer [2018-10-24 01:32:24,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 01:32:24,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 01:32:24,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 01:32:24,740 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 01:32:24,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:32:19" (1/3) ... [2018-10-24 01:32:24,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786b3bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:32:24, skipping insertion in model container [2018-10-24 01:32:24,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:32:20" (2/3) ... [2018-10-24 01:32:24,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786b3bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:32:24, skipping insertion in model container [2018-10-24 01:32:24,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:32:24" (3/3) ... [2018-10-24 01:32:24,744 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label05_true-unreach-call_false-termination.c [2018-10-24 01:32:24,755 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 01:32:24,764 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 01:32:24,783 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 01:32:24,822 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 01:32:24,822 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 01:32:24,822 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 01:32:24,823 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 01:32:24,823 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 01:32:24,823 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 01:32:24,823 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 01:32:24,823 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 01:32:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-10-24 01:32:24,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-24 01:32:24,873 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:32:24,874 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 01:32:24,877 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:32:24,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:32:24,884 INFO L82 PathProgramCache]: Analyzing trace with hash 638958820, now seen corresponding path program 1 times [2018-10-24 01:32:24,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:32:24,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:32:24,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:32:24,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:32:24,946 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:32:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:32:25,368 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 01:32:25,495 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 01:32:25,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:32:25,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 01:32:25,498 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:32:25,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 01:32:25,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 01:32:25,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:32:25,525 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-10-24 01:32:27,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:32:27,185 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-10-24 01:32:27,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 01:32:27,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-10-24 01:32:27,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:32:27,226 INFO L225 Difference]: With dead ends: 691 [2018-10-24 01:32:27,226 INFO L226 Difference]: Without dead ends: 434 [2018-10-24 01:32:27,236 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 01:32:27,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-10-24 01:32:27,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-10-24 01:32:27,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-10-24 01:32:27,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-10-24 01:32:27,323 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 70 [2018-10-24 01:32:27,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:32:27,323 INFO L481 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-10-24 01:32:27,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 01:32:27,324 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-10-24 01:32:27,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-24 01:32:27,334 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:32:27,334 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 01:32:27,335 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:32:27,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:32:27,335 INFO L82 PathProgramCache]: Analyzing trace with hash 781618536, now seen corresponding path program 1 times [2018-10-24 01:32:27,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:32:27,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:32:27,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:32:27,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:32:27,339 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:32:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:32:27,671 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 01:32:27,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:32:27,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 01:32:27,672 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:32:27,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 01:32:27,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 01:32:27,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 01:32:27,675 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-10-24 01:32:31,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:32:31,730 INFO L93 Difference]: Finished difference Result 1588 states and 2935 transitions. [2018-10-24 01:32:31,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:32:31,731 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-10-24 01:32:31,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:32:31,741 INFO L225 Difference]: With dead ends: 1588 [2018-10-24 01:32:31,741 INFO L226 Difference]: Without dead ends: 1160 [2018-10-24 01:32:31,746 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 01:32:31,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2018-10-24 01:32:31,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1153. [2018-10-24 01:32:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2018-10-24 01:32:31,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1887 transitions. [2018-10-24 01:32:31,829 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1887 transitions. Word has length 140 [2018-10-24 01:32:31,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:32:31,830 INFO L481 AbstractCegarLoop]: Abstraction has 1153 states and 1887 transitions. [2018-10-24 01:32:31,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 01:32:31,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1887 transitions. [2018-10-24 01:32:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-24 01:32:31,835 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:32:31,836 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 01:32:31,836 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:32:31,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:32:31,837 INFO L82 PathProgramCache]: Analyzing trace with hash 386881263, now seen corresponding path program 1 times [2018-10-24 01:32:31,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:32:31,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:32:31,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:32:31,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:32:31,839 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:32:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:32:32,088 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 01:32:32,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:32:32,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:32:32,089 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:32:32,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:32:32,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:32:32,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:32:32,091 INFO L87 Difference]: Start difference. First operand 1153 states and 1887 transitions. Second operand 5 states. [2018-10-24 01:32:34,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:32:34,736 INFO L93 Difference]: Finished difference Result 2716 states and 4601 transitions. [2018-10-24 01:32:34,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 01:32:34,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-10-24 01:32:34,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:32:34,758 INFO L225 Difference]: With dead ends: 2716 [2018-10-24 01:32:34,758 INFO L226 Difference]: Without dead ends: 1569 [2018-10-24 01:32:34,768 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 01:32:34,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2018-10-24 01:32:34,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1538. [2018-10-24 01:32:34,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1538 states. [2018-10-24 01:32:34,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2356 transitions. [2018-10-24 01:32:34,846 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2356 transitions. Word has length 141 [2018-10-24 01:32:34,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:32:34,847 INFO L481 AbstractCegarLoop]: Abstraction has 1538 states and 2356 transitions. [2018-10-24 01:32:34,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:32:34,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2356 transitions. [2018-10-24 01:32:34,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-24 01:32:34,852 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:32:34,853 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 01:32:34,853 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:32:34,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:32:34,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1814928629, now seen corresponding path program 1 times [2018-10-24 01:32:34,854 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:32:34,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:32:34,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:32:34,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:32:34,855 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:32:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:32:35,073 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 01:32:35,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:32:35,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 01:32:35,074 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:32:35,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 01:32:35,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 01:32:35,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 01:32:35,075 INFO L87 Difference]: Start difference. First operand 1538 states and 2356 transitions. Second operand 5 states. [2018-10-24 01:32:37,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:32:37,558 INFO L93 Difference]: Finished difference Result 4906 states and 7504 transitions. [2018-10-24 01:32:37,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:32:37,569 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-10-24 01:32:37,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:32:37,593 INFO L225 Difference]: With dead ends: 4906 [2018-10-24 01:32:37,593 INFO L226 Difference]: Without dead ends: 3374 [2018-10-24 01:32:37,607 INFO L605 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 [2018-10-24 01:32:37,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3374 states. [2018-10-24 01:32:37,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3374 to 3263. [2018-10-24 01:32:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3263 states. [2018-10-24 01:32:37,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 3263 states and 4437 transitions. [2018-10-24 01:32:37,705 INFO L78 Accepts]: Start accepts. Automaton has 3263 states and 4437 transitions. Word has length 143 [2018-10-24 01:32:37,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:32:37,705 INFO L481 AbstractCegarLoop]: Abstraction has 3263 states and 4437 transitions. [2018-10-24 01:32:37,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 01:32:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3263 states and 4437 transitions. [2018-10-24 01:32:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-24 01:32:37,713 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:32:37,713 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 01:32:37,713 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:32:37,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:32:37,714 INFO L82 PathProgramCache]: Analyzing trace with hash -294094552, now seen corresponding path program 1 times [2018-10-24 01:32:37,714 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:32:37,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:32:37,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:32:37,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:32:37,716 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:32:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:32:37,954 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 01:32:37,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 01:32:37,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 01:32:37,955 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:32:37,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 01:32:37,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 01:32:37,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:32:37,957 INFO L87 Difference]: Start difference. First operand 3263 states and 4437 transitions. Second operand 4 states. [2018-10-24 01:32:40,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:32:40,716 INFO L93 Difference]: Finished difference Result 8771 states and 12434 transitions. [2018-10-24 01:32:40,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 01:32:40,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 228 [2018-10-24 01:32:40,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:32:40,756 INFO L225 Difference]: With dead ends: 8771 [2018-10-24 01:32:40,757 INFO L226 Difference]: Without dead ends: 5514 [2018-10-24 01:32:40,783 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 01:32:40,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5514 states. [2018-10-24 01:32:40,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5514 to 5512. [2018-10-24 01:32:40,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5512 states. [2018-10-24 01:32:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5512 states to 5512 states and 7392 transitions. [2018-10-24 01:32:40,957 INFO L78 Accepts]: Start accepts. Automaton has 5512 states and 7392 transitions. Word has length 228 [2018-10-24 01:32:40,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:32:40,958 INFO L481 AbstractCegarLoop]: Abstraction has 5512 states and 7392 transitions. [2018-10-24 01:32:40,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 01:32:40,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5512 states and 7392 transitions. [2018-10-24 01:32:40,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-24 01:32:40,990 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:32:40,990 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 01:32:40,990 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:32:40,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:32:40,991 INFO L82 PathProgramCache]: Analyzing trace with hash 2115072535, now seen corresponding path program 1 times [2018-10-24 01:32:40,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:32:40,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:32:40,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:32:40,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:32:40,993 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:32:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:32:41,606 WARN L179 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 10 [2018-10-24 01:32:41,902 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 01:32:41,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:32:41,903 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:32:41,904 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 338 with the following transitions: [2018-10-24 01:32:41,906 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 01:32:41,989 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:32:41,990 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:32:44,809 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:32:47,480 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:32:47,481 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 01:32:47,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:32:47,493 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:32:50,539 INFO L232 lantSequenceWeakener]: Weakened 329 states. On average, predicates are now at 78.05% of their original sizes. [2018-10-24 01:32:50,541 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:32:51,098 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:32:51,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:32:51,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-10-24 01:32:51,100 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:32:51,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-24 01:32:51,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-24 01:32:51,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-24 01:32:51,102 INFO L87 Difference]: Start difference. First operand 5512 states and 7392 transitions. Second operand 8 states. [2018-10-24 01:33:30,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 01:33:30,329 INFO L93 Difference]: Finished difference Result 11018 states and 14781 transitions. [2018-10-24 01:33:30,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 01:33:30,329 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 337 [2018-10-24 01:33:30,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 01:33:30,355 INFO L225 Difference]: With dead ends: 11018 [2018-10-24 01:33:30,356 INFO L226 Difference]: Without dead ends: 5512 [2018-10-24 01:33:30,378 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 338 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 01:33:30,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2018-10-24 01:33:30,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 5510. [2018-10-24 01:33:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5510 states. [2018-10-24 01:33:30,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5510 states to 5510 states and 7355 transitions. [2018-10-24 01:33:30,529 INFO L78 Accepts]: Start accepts. Automaton has 5510 states and 7355 transitions. Word has length 337 [2018-10-24 01:33:30,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 01:33:30,529 INFO L481 AbstractCegarLoop]: Abstraction has 5510 states and 7355 transitions. [2018-10-24 01:33:30,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-24 01:33:30,530 INFO L276 IsEmpty]: Start isEmpty. Operand 5510 states and 7355 transitions. [2018-10-24 01:33:30,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-10-24 01:33:30,570 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 01:33:30,571 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 01:33:30,571 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 01:33:30,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:33:30,572 INFO L82 PathProgramCache]: Analyzing trace with hash 65139688, now seen corresponding path program 1 times [2018-10-24 01:33:30,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 01:33:30,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:33:30,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 01:33:30,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 01:33:30,573 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 01:33:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 01:33:31,177 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-24 01:33:31,377 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-24 01:33:31,596 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-24 01:33:32,007 WARN L179 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-10-24 01:33:32,562 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 01:33:32,563 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 01:33:32,563 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 01:33:32,563 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 423 with the following transitions: [2018-10-24 01:33:32,564 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 01:33:32,573 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 01:33:32,574 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 01:33:35,314 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 01:33:40,374 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 01:33:40,374 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 01:33:40,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 01:33:40,410 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 01:33:43,973 INFO L232 lantSequenceWeakener]: Weakened 102 states. On average, predicates are now at 78.52% of their original sizes. [2018-10-24 01:33:43,973 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 01:34:22,220 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 01:34:22,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 01:34:22,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [12] total 31 [2018-10-24 01:34:22,221 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 01:34:22,222 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-10-24 01:34:22,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-10-24 01:34:22,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2018-10-24 01:34:22,223 INFO L87 Difference]: Start difference. First operand 5510 states and 7355 transitions. Second operand 21 states. Received shutdown request... [2018-10-24 01:36:03,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-24 01:36:03,730 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 01:36:03,735 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 01:36:03,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 01:36:03 BoogieIcfgContainer [2018-10-24 01:36:03,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 01:36:03,736 INFO L168 Benchmark]: Toolchain (without parser) took 223932.96 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 1.9 GB in the end (delta: -433.3 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-24 01:36:03,737 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 01:36:03,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 946.85 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-10-24 01:36:03,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 247.00 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2018-10-24 01:36:03,740 INFO L168 Benchmark]: Boogie Preprocessor took 123.88 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2018-10-24 01:36:03,741 INFO L168 Benchmark]: RCFGBuilder took 3610.40 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: 118.5 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. [2018-10-24 01:36:03,741 INFO L168 Benchmark]: TraceAbstraction took 218999.06 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 1.9 GB in the end (delta: 216.9 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-24 01:36:03,747 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 946.85 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: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 247.00 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 738.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.88 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3610.40 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: 118.5 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 218999.06 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 1.9 GB in the end (delta: 216.9 MB). Peak memory consumption was 2.2 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 20 states, 21 states before enhancement),while ReachableStatesComputation was computing reachable states (484 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. TIMEOUT Result, 218.9s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 154.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 925 SDtfs, 4271 SDslu, 848 SDs, 0 SdLazy, 8191 SolverSat, 1521 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 805 GetRequests, 704 SyntacticMatches, 44 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 40.8s 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, 13.4s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9967716769092335 AbsIntWeakeningRatio, 0.07661822985468957 AbsIntAvgWeakeningVarsNumRemoved, 646.442536327609 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s 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