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/Problem16_label26_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 03:22:22,193 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 03:22:22,195 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 03:22:22,214 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 03:22:22,214 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 03:22:22,216 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 03:22:22,218 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 03:22:22,220 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 03:22:22,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 03:22:22,225 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 03:22:22,226 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 03:22:22,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 03:22:22,229 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 03:22:22,231 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 03:22:22,233 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 03:22:22,233 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 03:22:22,242 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 03:22:22,243 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 03:22:22,247 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 03:22:22,250 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 03:22:22,252 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 03:22:22,253 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 03:22:22,259 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-27 03:22:22,272 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 [2018-10-27 03:22:22,296 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 03:22:22,296 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 03:22:22,297 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 03:22:22,297 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 03:22:22,298 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 03:22:22,298 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 03:22:22,298 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 03:22:22,298 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 03:22:22,298 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 03:22:22,299 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 03:22:22,299 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 03:22:22,299 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 03:22:22,300 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 03:22:22,300 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 03:22:22,300 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 03:22:22,300 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 03:22:22,301 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 03:22:22,301 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 03:22:22,301 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 03:22:22,301 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 03:22:22,301 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 03:22:22,302 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 03:22:22,302 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 03:22:22,302 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 03:22:22,302 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 03:22:22,302 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 03:22:22,303 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 03:22:22,303 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 03:22:22,303 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 03:22:22,303 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 03:22:22,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 03:22:22,304 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 03:22:22,304 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 03:22:22,304 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 03:22:22,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 03:22:22,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 03:22:22,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 03:22:22,381 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 03:22:22,382 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 03:22:22,382 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label26_true-unreach-call.c [2018-10-27 03:22:22,463 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6a0a13607/bd9411185ef442fa89229a765cf4952f/FLAG2ecb42a27 [2018-10-27 03:22:23,189 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 03:22:23,191 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label26_true-unreach-call.c [2018-10-27 03:22:23,212 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6a0a13607/bd9411185ef442fa89229a765cf4952f/FLAG2ecb42a27 [2018-10-27 03:22:23,228 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6a0a13607/bd9411185ef442fa89229a765cf4952f [2018-10-27 03:22:23,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 03:22:23,242 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 03:22:23,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 03:22:23,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 03:22:23,247 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 03:22:23,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:22:23" (1/1) ... [2018-10-27 03:22:23,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ccbb6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:23, skipping insertion in model container [2018-10-27 03:22:23,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:22:23" (1/1) ... [2018-10-27 03:22:23,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 03:22:23,349 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 03:22:24,138 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 03:22:24,143 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 03:22:24,431 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 03:22:24,454 INFO L193 MainTranslator]: Completed translation [2018-10-27 03:22:24,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:24 WrapperNode [2018-10-27 03:22:24,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 03:22:24,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 03:22:24,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 03:22:24,456 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 03:22:24,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:24" (1/1) ... [2018-10-27 03:22:24,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:24" (1/1) ... [2018-10-27 03:22:24,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 03:22:24,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 03:22:24,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 03:22:24,774 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 03:22:24,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:24" (1/1) ... [2018-10-27 03:22:24,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:24" (1/1) ... [2018-10-27 03:22:24,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:24" (1/1) ... [2018-10-27 03:22:24,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:24" (1/1) ... [2018-10-27 03:22:24,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:24" (1/1) ... [2018-10-27 03:22:24,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:24" (1/1) ... [2018-10-27 03:22:24,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:24" (1/1) ... [2018-10-27 03:22:24,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 03:22:24,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 03:22:24,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 03:22:24,943 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 03:22:24,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:24" (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 [2018-10-27 03:22:25,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 03:22:25,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 03:22:25,015 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-27 03:22:25,016 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-27 03:22:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 03:22:25,016 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 03:22:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 03:22:25,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 03:22:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 03:22:25,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 03:22:31,479 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 03:22:31,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:22:31 BoogieIcfgContainer [2018-10-27 03:22:31,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 03:22:31,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 03:22:31,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 03:22:31,488 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 03:22:31,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:22:23" (1/3) ... [2018-10-27 03:22:31,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd87851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:22:31, skipping insertion in model container [2018-10-27 03:22:31,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:22:24" (2/3) ... [2018-10-27 03:22:31,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd87851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:22:31, skipping insertion in model container [2018-10-27 03:22:31,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:22:31" (3/3) ... [2018-10-27 03:22:31,494 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label26_true-unreach-call.c [2018-10-27 03:22:31,505 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 03:22:31,518 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 03:22:31,536 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 03:22:31,577 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 03:22:31,577 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 03:22:31,577 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 03:22:31,577 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 03:22:31,577 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 03:22:31,578 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 03:22:31,578 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 03:22:31,578 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 03:22:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-10-27 03:22:31,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-27 03:22:31,617 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:22:31,619 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] [2018-10-27 03:22:31,621 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:22:31,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:22:31,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1191514292, now seen corresponding path program 1 times [2018-10-27 03:22:31,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:22:31,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:22:31,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:22:31,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:22:31,689 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:22:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:22:32,105 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 03:22:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:22:32,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:22:32,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 03:22:32,222 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:22:32,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 03:22:32,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 03:22:32,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 03:22:32,248 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-10-27 03:22:35,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:22:35,667 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-10-27 03:22:35,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 03:22:35,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-10-27 03:22:35,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:22:35,703 INFO L225 Difference]: With dead ends: 1156 [2018-10-27 03:22:35,703 INFO L226 Difference]: Without dead ends: 744 [2018-10-27 03:22:35,713 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 [2018-10-27 03:22:35,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-10-27 03:22:35,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-10-27 03:22:35,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-10-27 03:22:35,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1343 transitions. [2018-10-27 03:22:35,820 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1343 transitions. Word has length 42 [2018-10-27 03:22:35,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:22:35,821 INFO L481 AbstractCegarLoop]: Abstraction has 744 states and 1343 transitions. [2018-10-27 03:22:35,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 03:22:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1343 transitions. [2018-10-27 03:22:35,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-27 03:22:35,828 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:22:35,829 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:22:35,829 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:22:35,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:22:35,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1985483383, now seen corresponding path program 1 times [2018-10-27 03:22:35,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:22:35,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:22:35,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:22:35,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:22:35,832 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:22:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:22:36,283 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:22:36,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:22:36,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 03:22:36,284 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:22:36,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 03:22:36,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 03:22:36,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 03:22:36,288 INFO L87 Difference]: Start difference. First operand 744 states and 1343 transitions. Second operand 6 states. [2018-10-27 03:22:44,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:22:44,256 INFO L93 Difference]: Finished difference Result 2846 states and 5292 transitions. [2018-10-27 03:22:44,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 03:22:44,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2018-10-27 03:22:44,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:22:44,286 INFO L225 Difference]: With dead ends: 2846 [2018-10-27 03:22:44,287 INFO L226 Difference]: Without dead ends: 2108 [2018-10-27 03:22:44,296 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 [2018-10-27 03:22:44,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2018-10-27 03:22:44,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 2090. [2018-10-27 03:22:44,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2090 states. [2018-10-27 03:22:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 2090 states and 3323 transitions. [2018-10-27 03:22:44,400 INFO L78 Accepts]: Start accepts. Automaton has 2090 states and 3323 transitions. Word has length 115 [2018-10-27 03:22:44,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:22:44,401 INFO L481 AbstractCegarLoop]: Abstraction has 2090 states and 3323 transitions. [2018-10-27 03:22:44,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 03:22:44,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 3323 transitions. [2018-10-27 03:22:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 03:22:44,415 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:22:44,415 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:22:44,416 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:22:44,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:22:44,416 INFO L82 PathProgramCache]: Analyzing trace with hash 808284322, now seen corresponding path program 1 times [2018-10-27 03:22:44,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:22:44,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:22:44,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:22:44,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:22:44,418 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:22:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:22:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:22:44,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:22:44,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 03:22:44,744 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:22:44,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 03:22:44,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 03:22:44,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 03:22:44,745 INFO L87 Difference]: Start difference. First operand 2090 states and 3323 transitions. Second operand 6 states. [2018-10-27 03:22:51,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:22:51,515 INFO L93 Difference]: Finished difference Result 5549 states and 9209 transitions. [2018-10-27 03:22:51,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 03:22:51,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-10-27 03:22:51,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:22:51,549 INFO L225 Difference]: With dead ends: 5549 [2018-10-27 03:22:51,550 INFO L226 Difference]: Without dead ends: 3465 [2018-10-27 03:22:51,564 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 [2018-10-27 03:22:51,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3465 states. [2018-10-27 03:22:51,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3465 to 3433. [2018-10-27 03:22:51,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3433 states. [2018-10-27 03:22:51,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3433 states to 3433 states and 5124 transitions. [2018-10-27 03:22:51,686 INFO L78 Accepts]: Start accepts. Automaton has 3433 states and 5124 transitions. Word has length 144 [2018-10-27 03:22:51,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:22:51,687 INFO L481 AbstractCegarLoop]: Abstraction has 3433 states and 5124 transitions. [2018-10-27 03:22:51,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 03:22:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3433 states and 5124 transitions. [2018-10-27 03:22:51,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-10-27 03:22:51,699 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:22:51,700 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:22:51,700 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:22:51,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:22:51,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1228883702, now seen corresponding path program 1 times [2018-10-27 03:22:51,701 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:22:51,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:22:51,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:22:51,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:22:51,703 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:22:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:22:52,230 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 03:22:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 03:22:52,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 03:22:52,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 03:22:52,731 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:22:52,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 03:22:52,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 03:22:52,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 03:22:52,732 INFO L87 Difference]: Start difference. First operand 3433 states and 5124 transitions. Second operand 6 states. [2018-10-27 03:22:56,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:22:56,088 INFO L93 Difference]: Finished difference Result 8945 states and 13969 transitions. [2018-10-27 03:22:56,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 03:22:56,089 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 316 [2018-10-27 03:22:56,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:22:56,117 INFO L225 Difference]: With dead ends: 8945 [2018-10-27 03:22:56,118 INFO L226 Difference]: Without dead ends: 5518 [2018-10-27 03:22:56,130 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 03:22:56,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5518 states. [2018-10-27 03:22:56,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5518 to 5504. [2018-10-27 03:22:56,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5504 states. [2018-10-27 03:22:56,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 5504 states and 7967 transitions. [2018-10-27 03:22:56,265 INFO L78 Accepts]: Start accepts. Automaton has 5504 states and 7967 transitions. Word has length 316 [2018-10-27 03:22:56,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:22:56,266 INFO L481 AbstractCegarLoop]: Abstraction has 5504 states and 7967 transitions. [2018-10-27 03:22:56,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 03:22:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 5504 states and 7967 transitions. [2018-10-27 03:22:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2018-10-27 03:22:56,284 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:22:56,285 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:22:56,285 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:22:56,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:22:56,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1236053316, now seen corresponding path program 1 times [2018-10-27 03:22:56,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:22:56,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:22:56,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:22:56,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:22:56,287 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:22:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:22:56,584 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 03:22:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 70 proven. 111 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 03:22:56,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 03:22:56,900 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 03:22:56,901 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 433 with the following transitions: [2018-10-27 03:22:56,905 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [415], [417], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-27 03:22:57,007 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 03:22:57,008 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 03:23:04,216 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 03:23:04,218 INFO L272 AbstractInterpreter]: Visited 279 different actions 279 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-27 03:23:04,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:23:04,232 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 03:23:07,403 INFO L227 lantSequenceWeakener]: Weakened 424 states. On average, predicates are now at 77.58% of their original sizes. [2018-10-27 03:23:07,404 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 03:23:07,898 INFO L415 sIntCurrentIteration]: We unified 431 AI predicates to 431 [2018-10-27 03:23:07,898 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 03:23:07,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 03:23:07,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-10-27 03:23:07,900 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:23:07,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 03:23:07,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 03:23:07,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-10-27 03:23:07,901 INFO L87 Difference]: Start difference. First operand 5504 states and 7967 transitions. Second operand 9 states. [2018-10-27 03:23:12,164 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 03:23:48,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 03:23:48,630 INFO L93 Difference]: Finished difference Result 11342 states and 16400 transitions. [2018-10-27 03:23:48,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 03:23:48,631 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 432 [2018-10-27 03:23:48,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 03:23:48,656 INFO L225 Difference]: With dead ends: 11342 [2018-10-27 03:23:48,657 INFO L226 Difference]: Without dead ends: 5844 [2018-10-27 03:23:48,676 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 434 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2018-10-27 03:23:48,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5844 states. [2018-10-27 03:23:48,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5844 to 5842. [2018-10-27 03:23:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5842 states. [2018-10-27 03:23:48,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5842 states to 5842 states and 8313 transitions. [2018-10-27 03:23:48,828 INFO L78 Accepts]: Start accepts. Automaton has 5842 states and 8313 transitions. Word has length 432 [2018-10-27 03:23:48,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 03:23:48,828 INFO L481 AbstractCegarLoop]: Abstraction has 5842 states and 8313 transitions. [2018-10-27 03:23:48,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 03:23:48,829 INFO L276 IsEmpty]: Start isEmpty. Operand 5842 states and 8313 transitions. [2018-10-27 03:23:48,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2018-10-27 03:23:48,849 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 03:23:48,850 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 03:23:48,851 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 03:23:48,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:23:48,851 INFO L82 PathProgramCache]: Analyzing trace with hash -761572322, now seen corresponding path program 1 times [2018-10-27 03:23:48,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 03:23:48,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:23:48,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 03:23:48,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 03:23:48,853 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 03:23:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 03:23:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 200 proven. 115 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-10-27 03:23:49,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 03:23:49,694 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 03:23:49,694 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 525 with the following transitions: [2018-10-27 03:23:49,695 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [415], [417], [420], [428], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-10-27 03:23:49,723 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 03:23:49,723 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 03:23:50,865 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-27 03:24:18,691 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 03:24:18,692 INFO L272 AbstractInterpreter]: Visited 283 different actions 840 times. Merged at 5 different actions 13 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 03:24:18,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 03:24:18,698 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 03:24:23,926 INFO L227 lantSequenceWeakener]: Weakened 64 states. On average, predicates are now at 78.62% of their original sizes. [2018-10-27 03:24:23,927 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 03:25:33,337 INFO L415 sIntCurrentIteration]: We unified 523 AI predicates to 523 [2018-10-27 03:25:33,337 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 03:25:33,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 03:25:33,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-10-27 03:25:33,339 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 03:25:33,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-27 03:25:33,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-27 03:25:33,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-10-27 03:25:33,341 INFO L87 Difference]: Start difference. First operand 5842 states and 8313 transitions. Second operand 18 states. Received shutdown request... [2018-10-27 03:26:20,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-27 03:26:20,169 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-27 03:26:20,175 WARN L205 ceAbstractionStarter]: Timeout [2018-10-27 03:26:20,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:26:20 BoogieIcfgContainer [2018-10-27 03:26:20,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 03:26:20,176 INFO L168 Benchmark]: Toolchain (without parser) took 236935.81 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -662.4 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-27 03:26:20,177 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. [2018-10-27 03:26:20,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1213.07 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. [2018-10-27 03:26:20,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 317.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -867.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2018-10-27 03:26:20,180 INFO L168 Benchmark]: Boogie Preprocessor took 168.84 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. [2018-10-27 03:26:20,180 INFO L168 Benchmark]: RCFGBuilder took 6537.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 269.5 MB). Peak memory consumption was 269.5 MB. Max. memory is 7.1 GB. [2018-10-27 03:26:20,181 INFO L168 Benchmark]: TraceAbstraction took 228693.72 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-27 03:26:20,186 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 1213.07 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 317.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 753.9 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -867.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 168.84 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 6537.73 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.9 GB in the end (delta: 269.5 MB). Peak memory consumption was 269.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 228693.72 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.9 GB). Free memory was 1.9 GB in the beginning and 2.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 112). Cancelled while BasicCegarLoop was constructing difference of abstraction (5842states) and FLOYD_HOARE automaton (currently 15 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (154 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. TIMEOUT Result, 228.6s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 109.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 824 SDtfs, 6812 SDslu, 533 SDs, 0 SdLazy, 9365 SolverSat, 3222 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 998 GetRequests, 844 SyntacticMatches, 100 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 71.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5842occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 36.3s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9974383222434902 AbsIntWeakeningRatio, 0.06079664570230608 AbsIntAvgWeakeningVarsNumRemoved, 603.1027253668763 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 66 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1573 NumberOfCodeBlocks, 1573 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1567 ConstructedInterpolants, 0 QuantifiedInterpolants, 1691741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 470/696 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown