java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label31_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 22:41:36,034 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 22:41:36,036 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 22:41:36,049 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 22:41:36,049 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 22:41:36,050 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 22:41:36,052 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 22:41:36,054 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 22:41:36,055 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 22:41:36,056 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 22:41:36,057 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 22:41:36,057 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 22:41:36,058 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 22:41:36,059 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 22:41:36,060 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 22:41:36,061 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 22:41:36,062 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 22:41:36,064 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 22:41:36,066 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 22:41:36,067 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 22:41:36,068 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 22:41:36,070 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 22:41:36,072 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 22:41:36,081 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-24 22:41:36,111 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 22:41:36,113 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 22:41:36,114 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 22:41:36,114 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 22:41:36,115 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 22:41:36,115 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 22:41:36,115 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-24 22:41:36,116 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 22:41:36,116 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-24 22:41:36,116 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 22:41:36,116 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 22:41:36,116 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 22:41:36,117 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 22:41:36,117 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 22:41:36,117 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 22:41:36,118 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 22:41:36,118 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 22:41:36,118 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 22:41:36,118 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 22:41:36,118 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 22:41:36,119 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 22:41:36,119 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 22:41:36,119 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 22:41:36,119 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 22:41:36,119 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 22:41:36,120 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 22:41:36,120 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 22:41:36,120 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 22:41:36,120 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 22:41:36,120 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 22:41:36,121 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 22:41:36,121 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 22:41:36,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 22:41:36,121 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 22:41:36,121 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 22:41:36,121 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 22:41:36,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 22:41:36,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 22:41:36,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 22:41:36,190 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 22:41:36,191 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 22:41:36,192 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label31_false-unreach-call.c [2018-10-24 22:41:36,253 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/068e48f59/2bf87af8a718482eab53caac357181b5/FLAGfd2f0580e [2018-10-24 22:41:36,891 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 22:41:36,892 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label31_false-unreach-call.c [2018-10-24 22:41:36,914 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/068e48f59/2bf87af8a718482eab53caac357181b5/FLAGfd2f0580e [2018-10-24 22:41:36,935 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/068e48f59/2bf87af8a718482eab53caac357181b5 [2018-10-24 22:41:36,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 22:41:36,949 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 22:41:36,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 22:41:36,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 22:41:36,957 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 22:41:36,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:41:36" (1/1) ... [2018-10-24 22:41:36,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44865b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:36, skipping insertion in model container [2018-10-24 22:41:36,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:41:36" (1/1) ... [2018-10-24 22:41:36,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 22:41:37,058 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 22:41:37,791 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:41:37,797 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 22:41:38,105 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 22:41:38,130 INFO L193 MainTranslator]: Completed translation [2018-10-24 22:41:38,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:38 WrapperNode [2018-10-24 22:41:38,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 22:41:38,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 22:41:38,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 22:41:38,132 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 22:41:38,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:38" (1/1) ... [2018-10-24 22:41:38,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:38" (1/1) ... [2018-10-24 22:41:38,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 22:41:38,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 22:41:38,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 22:41:38,438 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 22:41:38,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:38" (1/1) ... [2018-10-24 22:41:38,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:38" (1/1) ... [2018-10-24 22:41:38,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:38" (1/1) ... [2018-10-24 22:41:38,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:38" (1/1) ... [2018-10-24 22:41:38,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:38" (1/1) ... [2018-10-24 22:41:38,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:38" (1/1) ... [2018-10-24 22:41:38,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:38" (1/1) ... [2018-10-24 22:41:38,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 22:41:38,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 22:41:38,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 22:41:38,559 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 22:41:38,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:38" (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 22:41:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 22:41:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 22:41:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 22:41:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 22:41:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 22:41:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 22:41:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 22:41:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 22:41:43,613 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 22:41:43,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:41:43 BoogieIcfgContainer [2018-10-24 22:41:43,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 22:41:43,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 22:41:43,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 22:41:43,622 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 22:41:43,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:41:36" (1/3) ... [2018-10-24 22:41:43,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c07e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:41:43, skipping insertion in model container [2018-10-24 22:41:43,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:41:38" (2/3) ... [2018-10-24 22:41:43,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c07e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:41:43, skipping insertion in model container [2018-10-24 22:41:43,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:41:43" (3/3) ... [2018-10-24 22:41:43,627 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label31_false-unreach-call.c [2018-10-24 22:41:43,636 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 22:41:43,645 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 22:41:43,662 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 22:41:43,704 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 22:41:43,704 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 22:41:43,704 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 22:41:43,704 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 22:41:43,705 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 22:41:43,705 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 22:41:43,705 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 22:41:43,705 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 22:41:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2018-10-24 22:41:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-24 22:41:43,760 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:41:43,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:43,764 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:41:43,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:41:43,771 INFO L82 PathProgramCache]: Analyzing trace with hash -489199711, now seen corresponding path program 1 times [2018-10-24 22:41:43,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:41:43,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:41:43,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:41:43,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:41:43,825 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:41:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:41:44,714 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 4 [2018-10-24 22:41:44,979 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 22:41:44,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:41:44,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-24 22:41:44,982 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:41:44,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-24 22:41:45,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-24 22:41:45,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 22:41:45,007 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 4 states. [2018-10-24 22:41:48,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:41:48,509 INFO L93 Difference]: Finished difference Result 1085 states and 1949 transitions. [2018-10-24 22:41:48,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-24 22:41:48,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2018-10-24 22:41:48,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:41:48,538 INFO L225 Difference]: With dead ends: 1085 [2018-10-24 22:41:48,538 INFO L226 Difference]: Without dead ends: 767 [2018-10-24 22:41:48,546 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-24 22:41:48,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2018-10-24 22:41:48,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 523. [2018-10-24 22:41:48,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-10-24 22:41:48,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 922 transitions. [2018-10-24 22:41:48,645 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 922 transitions. Word has length 158 [2018-10-24 22:41:48,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:41:48,646 INFO L481 AbstractCegarLoop]: Abstraction has 523 states and 922 transitions. [2018-10-24 22:41:48,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-24 22:41:48,646 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 922 transitions. [2018-10-24 22:41:48,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-24 22:41:48,653 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:41:48,654 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:41:48,654 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:41:48,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:41:48,655 INFO L82 PathProgramCache]: Analyzing trace with hash 690659536, now seen corresponding path program 1 times [2018-10-24 22:41:48,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:41:48,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:41:48,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:41:48,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:41:48,656 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:41:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:41:48,966 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:41:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:41:49,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 22:41:49,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 22:41:49,207 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:41:49,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 22:41:49,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 22:41:49,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 22:41:49,210 INFO L87 Difference]: Start difference. First operand 523 states and 922 transitions. Second operand 5 states. [2018-10-24 22:41:52,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:41:52,925 INFO L93 Difference]: Finished difference Result 1613 states and 2944 transitions. [2018-10-24 22:41:52,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 22:41:52,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2018-10-24 22:41:52,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:41:52,939 INFO L225 Difference]: With dead ends: 1613 [2018-10-24 22:41:52,940 INFO L226 Difference]: Without dead ends: 1096 [2018-10-24 22:41:52,946 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 22:41:52,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2018-10-24 22:41:53,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1073. [2018-10-24 22:41:53,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1073 states. [2018-10-24 22:41:53,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1774 transitions. [2018-10-24 22:41:53,031 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1774 transitions. Word has length 169 [2018-10-24 22:41:53,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:41:53,031 INFO L481 AbstractCegarLoop]: Abstraction has 1073 states and 1774 transitions. [2018-10-24 22:41:53,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 22:41:53,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1774 transitions. [2018-10-24 22:41:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-24 22:41:53,040 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:41:53,041 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:41:53,041 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:41:53,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:41:53,042 INFO L82 PathProgramCache]: Analyzing trace with hash -427347419, now seen corresponding path program 1 times [2018-10-24 22:41:53,042 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:41:53,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:41:53,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:41:53,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:41:53,043 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:41:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:41:53,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:41:53,856 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:41:53,856 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:41:53,857 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-10-24 22:41:53,860 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [28], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [725], [727], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-24 22:41:53,922 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 22:41:53,922 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:41:55,049 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:41:55,051 INFO L272 AbstractInterpreter]: Visited 158 different actions 158 times. Never merged. Never widened. Never found a fixpoint. Largest state had 88 variables. [2018-10-24 22:41:55,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:41:55,091 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:41:56,143 INFO L232 lantSequenceWeakener]: Weakened 165 states. On average, predicates are now at 70.46% of their original sizes. [2018-10-24 22:41:56,143 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:41:56,747 INFO L413 sIntCurrentIteration]: We have 170 unified AI predicates [2018-10-24 22:41:56,747 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:41:56,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:41:56,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2018-10-24 22:41:56,749 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:41:56,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-24 22:41:56,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-24 22:41:56,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-10-24 22:41:56,751 INFO L87 Difference]: Start difference. First operand 1073 states and 1774 transitions. Second operand 12 states. [2018-10-24 22:42:34,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:42:34,139 INFO L93 Difference]: Finished difference Result 2350 states and 3872 transitions. [2018-10-24 22:42:34,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-24 22:42:34,139 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 171 [2018-10-24 22:42:34,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:42:34,146 INFO L225 Difference]: With dead ends: 2350 [2018-10-24 22:42:34,146 INFO L226 Difference]: Without dead ends: 1283 [2018-10-24 22:42:34,150 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 171 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-10-24 22:42:34,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2018-10-24 22:42:34,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1281. [2018-10-24 22:42:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1281 states. [2018-10-24 22:42:34,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1990 transitions. [2018-10-24 22:42:34,185 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1990 transitions. Word has length 171 [2018-10-24 22:42:34,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:42:34,185 INFO L481 AbstractCegarLoop]: Abstraction has 1281 states and 1990 transitions. [2018-10-24 22:42:34,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-24 22:42:34,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1990 transitions. [2018-10-24 22:42:34,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-24 22:42:34,190 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:42:34,190 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:34,191 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:42:34,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:42:34,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1617695120, now seen corresponding path program 1 times [2018-10-24 22:42:34,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:42:34,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:42:34,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:42:34,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:42:34,193 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:42:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:42:34,594 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:42:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:42:34,906 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:42:34,906 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:42:34,907 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-10-24 22:42:34,907 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [725], [727], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-24 22:42:34,918 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 22:42:34,919 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:42:37,375 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 22:42:37,376 INFO L272 AbstractInterpreter]: Visited 162 different actions 316 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-10-24 22:42:37,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:42:37,385 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 22:42:37,385 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:42:37,385 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 22:42:37,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:42:37,395 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 22:42:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:42:37,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 22:42:37,719 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:42:37,719 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 22:42:37,914 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:42:37,936 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:42:37,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-10-24 22:42:37,937 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:42:37,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 22:42:37,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 22:42:37,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-24 22:42:37,938 INFO L87 Difference]: Start difference. First operand 1281 states and 1990 transitions. Second operand 3 states. [2018-10-24 22:42:39,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:42:39,983 INFO L93 Difference]: Finished difference Result 3286 states and 5449 transitions. [2018-10-24 22:42:39,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 22:42:39,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2018-10-24 22:42:39,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:42:40,004 INFO L225 Difference]: With dead ends: 3286 [2018-10-24 22:42:40,004 INFO L226 Difference]: Without dead ends: 2219 [2018-10-24 22:42:40,010 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 359 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-24 22:42:40,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2018-10-24 22:42:40,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2216. [2018-10-24 22:42:40,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2018-10-24 22:42:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 3218 transitions. [2018-10-24 22:42:40,083 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 3218 transitions. Word has length 180 [2018-10-24 22:42:40,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:42:40,083 INFO L481 AbstractCegarLoop]: Abstraction has 2216 states and 3218 transitions. [2018-10-24 22:42:40,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 22:42:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 3218 transitions. [2018-10-24 22:42:40,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-24 22:42:40,094 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:42:40,095 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:40,095 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:42:40,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:42:40,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1457343189, now seen corresponding path program 1 times [2018-10-24 22:42:40,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:42:40,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:42:40,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:42:40,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:42:40,097 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:42:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:42:40,450 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-24 22:42:41,003 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:42:41,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:42:41,003 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:42:41,003 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 233 with the following transitions: [2018-10-24 22:42:41,004 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [252], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [725], [727], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-24 22:42:41,011 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 22:42:41,011 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:42:42,147 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:42:42,147 INFO L272 AbstractInterpreter]: Visited 162 different actions 318 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-10-24 22:42:42,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:42:42,154 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:42:43,747 INFO L232 lantSequenceWeakener]: Weakened 229 states. On average, predicates are now at 70.37% of their original sizes. [2018-10-24 22:42:43,748 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:42:44,102 INFO L413 sIntCurrentIteration]: We have 231 unified AI predicates [2018-10-24 22:42:44,102 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:42:44,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:42:44,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [9] total 25 [2018-10-24 22:42:44,103 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:42:44,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-24 22:42:44,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-24 22:42:44,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2018-10-24 22:42:44,105 INFO L87 Difference]: Start difference. First operand 2216 states and 3218 transitions. Second operand 18 states. [2018-10-24 22:43:45,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:43:45,840 INFO L93 Difference]: Finished difference Result 4432 states and 6555 transitions. [2018-10-24 22:43:45,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-24 22:43:45,840 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 232 [2018-10-24 22:43:45,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:43:45,852 INFO L225 Difference]: With dead ends: 4432 [2018-10-24 22:43:45,852 INFO L226 Difference]: Without dead ends: 2430 [2018-10-24 22:43:45,859 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 240 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2018-10-24 22:43:45,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2430 states. [2018-10-24 22:43:45,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2430 to 2427. [2018-10-24 22:43:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2427 states. [2018-10-24 22:43:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 3446 transitions. [2018-10-24 22:43:45,918 INFO L78 Accepts]: Start accepts. Automaton has 2427 states and 3446 transitions. Word has length 232 [2018-10-24 22:43:45,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:43:45,919 INFO L481 AbstractCegarLoop]: Abstraction has 2427 states and 3446 transitions. [2018-10-24 22:43:45,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-24 22:43:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 3446 transitions. [2018-10-24 22:43:45,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-24 22:43:45,928 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:43:45,929 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:43:45,929 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:43:45,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:43:45,930 INFO L82 PathProgramCache]: Analyzing trace with hash 228180764, now seen corresponding path program 1 times [2018-10-24 22:43:45,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:43:45,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:43:45,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:43:45,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:43:45,931 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:43:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:43:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:43:46,302 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:43:46,303 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:43:46,303 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 259 with the following transitions: [2018-10-24 22:43:46,303 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [315], [320], [322], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [725], [727], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-24 22:43:46,308 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 22:43:46,309 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:43:48,541 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-24 22:43:48,541 INFO L272 AbstractInterpreter]: Visited 163 different actions 318 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-10-24 22:43:48,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:43:48,544 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-24 22:43:48,545 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:43:48,545 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-24 22:43:48,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:43:48,553 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-24 22:43:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:43:48,745 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-24 22:43:48,911 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:43:48,912 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-24 22:43:49,297 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 112 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:43:49,323 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-24 22:43:49,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2018-10-24 22:43:49,323 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-24 22:43:49,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-24 22:43:49,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-24 22:43:49,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-10-24 22:43:49,325 INFO L87 Difference]: Start difference. First operand 2427 states and 3446 transitions. Second operand 10 states. [2018-10-24 22:43:57,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:43:57,036 INFO L93 Difference]: Finished difference Result 5578 states and 9087 transitions. [2018-10-24 22:43:57,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-10-24 22:43:57,036 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 258 [2018-10-24 22:43:57,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:43:57,064 INFO L225 Difference]: With dead ends: 5578 [2018-10-24 22:43:57,065 INFO L226 Difference]: Without dead ends: 3575 [2018-10-24 22:43:57,080 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 536 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1045 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=659, Invalid=2763, Unknown=0, NotChecked=0, Total=3422 [2018-10-24 22:43:57,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3575 states. [2018-10-24 22:43:57,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3575 to 3299. [2018-10-24 22:43:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3299 states. [2018-10-24 22:43:57,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4484 transitions. [2018-10-24 22:43:57,204 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4484 transitions. Word has length 258 [2018-10-24 22:43:57,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:43:57,204 INFO L481 AbstractCegarLoop]: Abstraction has 3299 states and 4484 transitions. [2018-10-24 22:43:57,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-24 22:43:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4484 transitions. [2018-10-24 22:43:57,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-10-24 22:43:57,215 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:43:57,215 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:43:57,215 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:43:57,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:43:57,216 INFO L82 PathProgramCache]: Analyzing trace with hash -322482873, now seen corresponding path program 1 times [2018-10-24 22:43:57,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:43:57,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:43:57,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:43:57,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:43:57,217 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:43:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:43:57,572 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 22:43:57,927 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 89 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:43:57,927 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:43:57,928 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:43:57,928 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2018-10-24 22:43:57,928 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [725], [727], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-24 22:43:57,933 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 22:43:57,933 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:43:59,062 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:43:59,062 INFO L272 AbstractInterpreter]: Visited 161 different actions 316 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-10-24 22:43:59,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:43:59,071 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:44:01,548 INFO L232 lantSequenceWeakener]: Weakened 3 states. On average, predicates are now at 90.7% of their original sizes. [2018-10-24 22:44:01,549 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 22:44:11,222 INFO L413 sIntCurrentIteration]: We have 258 unified AI predicates [2018-10-24 22:44:11,222 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 22:44:11,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 22:44:11,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [7] total 17 [2018-10-24 22:44:11,223 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 22:44:11,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-24 22:44:11,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-24 22:44:11,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-10-24 22:44:11,224 INFO L87 Difference]: Start difference. First operand 3299 states and 4484 transitions. Second operand 12 states. [2018-10-24 22:45:24,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 22:45:24,212 INFO L93 Difference]: Finished difference Result 7956 states and 11394 transitions. [2018-10-24 22:45:24,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-24 22:45:24,213 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 259 [2018-10-24 22:45:24,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 22:45:24,233 INFO L225 Difference]: With dead ends: 7956 [2018-10-24 22:45:24,233 INFO L226 Difference]: Without dead ends: 5082 [2018-10-24 22:45:24,243 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 263 GetRequests, 80 SyntacticMatches, 168 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2018-10-24 22:45:24,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5082 states. [2018-10-24 22:45:24,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5082 to 5021. [2018-10-24 22:45:24,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5021 states. [2018-10-24 22:45:24,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5021 states to 5021 states and 6603 transitions. [2018-10-24 22:45:24,384 INFO L78 Accepts]: Start accepts. Automaton has 5021 states and 6603 transitions. Word has length 259 [2018-10-24 22:45:24,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 22:45:24,384 INFO L481 AbstractCegarLoop]: Abstraction has 5021 states and 6603 transitions. [2018-10-24 22:45:24,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-24 22:45:24,385 INFO L276 IsEmpty]: Start isEmpty. Operand 5021 states and 6603 transitions. [2018-10-24 22:45:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-24 22:45:24,400 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 22:45:24,401 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 22:45:24,401 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 22:45:24,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:45:24,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1209489308, now seen corresponding path program 1 times [2018-10-24 22:45:24,402 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 22:45:24,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:45:24,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 22:45:24,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 22:45:24,403 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 22:45:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 22:45:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 108 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 22:45:25,079 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 22:45:25,079 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 22:45:25,079 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-10-24 22:45:25,081 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [725], [727], [1157], [1161], [1165], [1171], [1175], [1177], [1182], [1183], [1184], [1186], [1187] [2018-10-24 22:45:25,085 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-24 22:45:25,085 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 22:45:27,668 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 22:45:27,668 INFO L272 AbstractInterpreter]: Visited 162 different actions 486 times. Merged at 7 different actions 22 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 88 variables. [2018-10-24 22:45:27,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 22:45:27,677 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 22:45:32,866 INFO L232 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 90.7% of their original sizes. [2018-10-24 22:45:32,867 INFO L411 sIntCurrentIteration]: Unifying AI predicates Received shutdown request... [2018-10-24 22:45:44,442 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 22:45:44,447 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 22:45:44,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:45:44 BoogieIcfgContainer [2018-10-24 22:45:44,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 22:45:44,448 INFO L168 Benchmark]: Toolchain (without parser) took 247500.60 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: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-24 22:45:44,449 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 22:45:44,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1181.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-10-24 22:45:44,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 304.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.8 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -900.3 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2018-10-24 22:45:44,451 INFO L168 Benchmark]: Boogie Preprocessor took 121.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2018-10-24 22:45:44,454 INFO L168 Benchmark]: RCFGBuilder took 5055.90 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 267.5 MB). Peak memory consumption was 267.5 MB. Max. memory is 7.1 GB. [2018-10-24 22:45:44,455 INFO L168 Benchmark]: TraceAbstraction took 240831.32 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.7 GB in the end (delta: -705.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-24 22:45:44,460 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1181.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 304.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 773.8 MB). Free memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: -900.3 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.64 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5055.90 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 267.5 MB). Peak memory consumption was 267.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 240831.32 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.0 GB in the beginning and 2.7 GB in the end (delta: -705.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1488]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1488). Cancelled while BasicCegarLoop was analyzing trace of length 272 with TraceHistMax 3,while AbsIntCurrentIteration was generating AI predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 10 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 312 locations, 1 error locations. TIMEOUT Result, 240.7s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 189.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1955 SDtfs, 9037 SDslu, 2372 SDs, 0 SdLazy, 19423 SolverSat, 2854 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 138.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1652 GetRequests, 1356 SyntacticMatches, 174 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1782 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5021occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.8s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9992681795776113 AbsIntWeakeningRatio, 0.24542518837459634 AbsIntAvgWeakeningVarsNumRemoved, 11.27448869752422 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 7 MinimizatonAttempts, 612 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1865 NumberOfCodeBlocks, 1865 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2292 ConstructedInterpolants, 0 QuantifiedInterpolants, 1672497 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1932 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 538/593 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown