java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label18_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 11:41:02,051 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 11:41:02,053 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 11:41:02,065 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 11:41:02,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 11:41:02,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 11:41:02,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 11:41:02,069 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 11:41:02,071 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 11:41:02,072 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 11:41:02,073 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 11:41:02,073 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 11:41:02,074 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 11:41:02,075 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 11:41:02,076 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 11:41:02,077 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 11:41:02,077 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 11:41:02,079 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 11:41:02,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 11:41:02,086 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 11:41:02,089 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 11:41:02,093 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 11:41:02,099 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 11:41:02,110 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 11:41:02,110 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 11:41:02,111 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 11:41:02,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 11:41:02,112 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 11:41:02,129 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 11:41:02,129 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 11:41:02,130 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 11:41:02,130 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 11:41:02,130 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 11:41:02,131 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 11:41:02,131 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 11:41:02,131 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 11:41:02,131 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 11:41:02,131 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 11:41:02,132 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 11:41:02,132 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 11:41:02,132 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 11:41:02,133 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 11:41:02,133 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 11:41:02,133 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 11:41:02,133 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 11:41:02,133 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 11:41:02,134 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 11:41:02,134 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 11:41:02,134 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 11:41:02,134 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 11:41:02,134 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 11:41:02,135 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 11:41:02,135 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 11:41:02,135 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 11:41:02,135 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 11:41:02,135 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 11:41:02,135 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 11:41:02,136 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 11:41:02,136 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 11:41:02,136 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 11:41:02,136 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 11:41:02,136 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 11:41:02,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 11:41:02,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 11:41:02,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 11:41:02,206 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 11:41:02,206 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 11:41:02,207 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label18_true-unreach-call.c [2018-09-18 11:41:02,557 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5cf15963/9f858b40d42044dc817cfcee24079f50/FLAG8d56e1ff8 [2018-09-18 11:41:03,075 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 11:41:03,076 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label18_true-unreach-call.c [2018-09-18 11:41:03,129 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5cf15963/9f858b40d42044dc817cfcee24079f50/FLAG8d56e1ff8 [2018-09-18 11:41:03,151 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5cf15963/9f858b40d42044dc817cfcee24079f50 [2018-09-18 11:41:03,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 11:41:03,167 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 11:41:03,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 11:41:03,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 11:41:03,177 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 11:41:03,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:41:03" (1/1) ... [2018-09-18 11:41:03,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428e54a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:03, skipping insertion in model container [2018-09-18 11:41:03,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:41:03" (1/1) ... [2018-09-18 11:41:03,194 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 11:41:04,637 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:41:04,659 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 11:41:05,396 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 11:41:05,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:05 WrapperNode [2018-09-18 11:41:05,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 11:41:05,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 11:41:05,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 11:41:05,804 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 11:41:05,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:05" (1/1) ... [2018-09-18 11:41:05,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:05" (1/1) ... [2018-09-18 11:41:06,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 11:41:06,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 11:41:06,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 11:41:06,156 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 11:41:07,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:05" (1/1) ... [2018-09-18 11:41:07,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:05" (1/1) ... [2018-09-18 11:41:07,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:05" (1/1) ... [2018-09-18 11:41:07,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:05" (1/1) ... [2018-09-18 11:41:07,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:05" (1/1) ... [2018-09-18 11:41:07,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:05" (1/1) ... [2018-09-18 11:41:07,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:05" (1/1) ... [2018-09-18 11:41:07,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 11:41:07,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 11:41:07,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 11:41:07,495 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 11:41:07,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 11:41:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 11:41:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 11:41:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-09-18 11:41:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-09-18 11:41:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-09-18 11:41:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-09-18 11:41:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-09-18 11:41:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-09-18 11:41:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-18 11:41:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-18 11:41:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 11:41:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 11:41:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 11:41:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 11:41:20,584 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 11:41:20,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:41:20 BoogieIcfgContainer [2018-09-18 11:41:20,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 11:41:20,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 11:41:20,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 11:41:20,589 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 11:41:20,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 11:41:03" (1/3) ... [2018-09-18 11:41:20,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127a6780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:41:20, skipping insertion in model container [2018-09-18 11:41:20,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:41:05" (2/3) ... [2018-09-18 11:41:20,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127a6780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 11:41:20, skipping insertion in model container [2018-09-18 11:41:20,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:41:20" (3/3) ... [2018-09-18 11:41:20,593 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label18_true-unreach-call.c [2018-09-18 11:41:20,603 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 11:41:20,614 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 11:41:20,679 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 11:41:20,680 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 11:41:20,680 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 11:41:20,680 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 11:41:20,681 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 11:41:20,681 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 11:41:20,681 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 11:41:20,681 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 11:41:20,681 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 11:41:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-09-18 11:41:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-18 11:41:20,748 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:41:20,750 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:41:20,751 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:41:20,755 INFO L82 PathProgramCache]: Analyzing trace with hash -856257052, now seen corresponding path program 1 times [2018-09-18 11:41:20,757 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:41:20,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:41:20,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:41:20,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:41:20,811 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:41:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:41:21,296 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:41:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:41:21,400 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:41:21,400 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 11:41:21,400 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:41:21,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:41:21,423 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:41:21,424 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 11:41:21,427 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-09-18 11:41:30,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:41:30,253 INFO L93 Difference]: Finished difference Result 3097 states and 5707 transitions. [2018-09-18 11:41:30,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:41:30,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-09-18 11:41:30,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:41:30,301 INFO L225 Difference]: With dead ends: 3097 [2018-09-18 11:41:30,301 INFO L226 Difference]: Without dead ends: 1975 [2018-09-18 11:41:30,319 INFO L604 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 [2018-09-18 11:41:30,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2018-09-18 11:41:30,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1974. [2018-09-18 11:41:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2018-09-18 11:41:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 3284 transitions. [2018-09-18 11:41:30,494 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 3284 transitions. Word has length 70 [2018-09-18 11:41:30,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:41:30,495 INFO L480 AbstractCegarLoop]: Abstraction has 1974 states and 3284 transitions. [2018-09-18 11:41:30,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:41:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3284 transitions. [2018-09-18 11:41:30,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-18 11:41:30,510 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:41:30,512 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:41:30,513 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:41:30,513 INFO L82 PathProgramCache]: Analyzing trace with hash -410471564, now seen corresponding path program 1 times [2018-09-18 11:41:30,515 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:41:30,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:41:30,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:41:30,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:41:30,517 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:41:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:41:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:41:30,861 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:41:30,861 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 11:41:30,861 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:41:30,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:41:30,866 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:41:30,866 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 11:41:30,866 INFO L87 Difference]: Start difference. First operand 1974 states and 3284 transitions. Second operand 5 states. [2018-09-18 11:41:52,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:41:52,039 INFO L93 Difference]: Finished difference Result 5736 states and 9691 transitions. [2018-09-18 11:41:52,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:41:52,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-09-18 11:41:52,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:41:52,077 INFO L225 Difference]: With dead ends: 5736 [2018-09-18 11:41:52,078 INFO L226 Difference]: Without dead ends: 3768 [2018-09-18 11:41:52,086 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:41:52,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2018-09-18 11:41:52,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3686. [2018-09-18 11:41:52,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3686 states. [2018-09-18 11:41:52,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3686 states to 3686 states and 5660 transitions. [2018-09-18 11:41:52,205 INFO L78 Accepts]: Start accepts. Automaton has 3686 states and 5660 transitions. Word has length 146 [2018-09-18 11:41:52,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:41:52,206 INFO L480 AbstractCegarLoop]: Abstraction has 3686 states and 5660 transitions. [2018-09-18 11:41:52,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:41:52,206 INFO L276 IsEmpty]: Start isEmpty. Operand 3686 states and 5660 transitions. [2018-09-18 11:41:52,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-18 11:41:52,212 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:41:52,212 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:41:52,212 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:41:52,213 INFO L82 PathProgramCache]: Analyzing trace with hash 586688088, now seen corresponding path program 1 times [2018-09-18 11:41:52,213 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:41:52,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:41:52,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:41:52,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:41:52,215 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:41:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:41:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:41:52,562 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:41:52,562 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 11:41:52,562 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:41:52,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:41:52,566 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:41:52,566 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 11:41:52,567 INFO L87 Difference]: Start difference. First operand 3686 states and 5660 transitions. Second operand 5 states. [2018-09-18 11:42:20,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:42:20,367 INFO L93 Difference]: Finished difference Result 13666 states and 21764 transitions. [2018-09-18 11:42:20,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-18 11:42:20,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2018-09-18 11:42:20,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:42:20,430 INFO L225 Difference]: With dead ends: 13666 [2018-09-18 11:42:20,431 INFO L226 Difference]: Without dead ends: 9986 [2018-09-18 11:42:20,455 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:42:20,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9986 states. [2018-09-18 11:42:20,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9986 to 9796. [2018-09-18 11:42:20,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9796 states. [2018-09-18 11:42:20,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9796 states to 9796 states and 14504 transitions. [2018-09-18 11:42:20,716 INFO L78 Accepts]: Start accepts. Automaton has 9796 states and 14504 transitions. Word has length 160 [2018-09-18 11:42:20,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:42:20,717 INFO L480 AbstractCegarLoop]: Abstraction has 9796 states and 14504 transitions. [2018-09-18 11:42:20,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:42:20,717 INFO L276 IsEmpty]: Start isEmpty. Operand 9796 states and 14504 transitions. [2018-09-18 11:42:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-09-18 11:42:20,724 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:42:20,724 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:42:20,725 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:42:20,725 INFO L82 PathProgramCache]: Analyzing trace with hash 154081844, now seen corresponding path program 1 times [2018-09-18 11:42:20,725 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:42:20,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:42:20,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:42:20,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:42:20,727 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:42:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:42:21,058 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:42:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:42:21,269 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:42:21,269 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 11:42:21,269 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:42:21,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:42:21,270 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:42:21,270 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:42:21,271 INFO L87 Difference]: Start difference. First operand 9796 states and 14504 transitions. Second operand 6 states. [2018-09-18 11:42:36,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:42:36,263 INFO L93 Difference]: Finished difference Result 34193 states and 53815 transitions. [2018-09-18 11:42:36,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:42:36,264 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 178 [2018-09-18 11:42:36,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:42:36,392 INFO L225 Difference]: With dead ends: 34193 [2018-09-18 11:42:36,393 INFO L226 Difference]: Without dead ends: 24403 [2018-09-18 11:42:36,463 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:42:36,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24403 states. [2018-09-18 11:42:37,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24403 to 24170. [2018-09-18 11:42:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24170 states. [2018-09-18 11:42:37,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24170 states to 24170 states and 34075 transitions. [2018-09-18 11:42:37,078 INFO L78 Accepts]: Start accepts. Automaton has 24170 states and 34075 transitions. Word has length 178 [2018-09-18 11:42:37,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:42:37,079 INFO L480 AbstractCegarLoop]: Abstraction has 24170 states and 34075 transitions. [2018-09-18 11:42:37,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:42:37,079 INFO L276 IsEmpty]: Start isEmpty. Operand 24170 states and 34075 transitions. [2018-09-18 11:42:37,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-09-18 11:42:37,087 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:42:37,087 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:42:37,087 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:42:37,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1234851793, now seen corresponding path program 1 times [2018-09-18 11:42:37,088 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:42:37,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:42:37,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:42:37,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:42:37,089 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:42:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:42:37,614 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:42:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:42:38,005 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:42:38,005 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 11:42:38,005 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:42:38,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:42:38,006 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:42:38,006 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:42:38,006 INFO L87 Difference]: Start difference. First operand 24170 states and 34075 transitions. Second operand 6 states. [2018-09-18 11:42:49,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:42:49,632 INFO L93 Difference]: Finished difference Result 62339 states and 97863 transitions. [2018-09-18 11:42:49,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:42:49,633 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2018-09-18 11:42:49,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:42:49,809 INFO L225 Difference]: With dead ends: 62339 [2018-09-18 11:42:49,810 INFO L226 Difference]: Without dead ends: 38175 [2018-09-18 11:42:49,873 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:42:49,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38175 states. [2018-09-18 11:42:51,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38175 to 37978. [2018-09-18 11:42:51,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37978 states. [2018-09-18 11:42:51,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37978 states to 37978 states and 54437 transitions. [2018-09-18 11:42:51,187 INFO L78 Accepts]: Start accepts. Automaton has 37978 states and 54437 transitions. Word has length 189 [2018-09-18 11:42:51,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:42:51,187 INFO L480 AbstractCegarLoop]: Abstraction has 37978 states and 54437 transitions. [2018-09-18 11:42:51,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:42:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 37978 states and 54437 transitions. [2018-09-18 11:42:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-09-18 11:42:51,197 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:42:51,197 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:42:51,198 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:42:51,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1204068448, now seen corresponding path program 1 times [2018-09-18 11:42:51,198 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:42:51,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:42:51,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:42:51,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:42:51,200 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:42:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:42:51,491 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-09-18 11:42:51,902 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:42:51,902 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 11:42:51,903 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-18 11:42:51,903 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:42:51,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 11:42:51,903 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 11:42:51,904 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-18 11:42:51,904 INFO L87 Difference]: Start difference. First operand 37978 states and 54437 transitions. Second operand 6 states. [2018-09-18 11:43:01,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:43:01,625 INFO L93 Difference]: Finished difference Result 83934 states and 123833 transitions. [2018-09-18 11:43:01,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:43:01,633 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 217 [2018-09-18 11:43:01,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:43:01,833 INFO L225 Difference]: With dead ends: 83934 [2018-09-18 11:43:01,834 INFO L226 Difference]: Without dead ends: 45962 [2018-09-18 11:43:01,927 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-09-18 11:43:01,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45962 states. [2018-09-18 11:43:03,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45962 to 45860. [2018-09-18 11:43:03,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45860 states. [2018-09-18 11:43:03,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45860 states to 45860 states and 62659 transitions. [2018-09-18 11:43:03,266 INFO L78 Accepts]: Start accepts. Automaton has 45860 states and 62659 transitions. Word has length 217 [2018-09-18 11:43:03,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:43:03,267 INFO L480 AbstractCegarLoop]: Abstraction has 45860 states and 62659 transitions. [2018-09-18 11:43:03,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 11:43:03,267 INFO L276 IsEmpty]: Start isEmpty. Operand 45860 states and 62659 transitions. [2018-09-18 11:43:03,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-09-18 11:43:03,284 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:43:03,285 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:43:03,285 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:43:03,285 INFO L82 PathProgramCache]: Analyzing trace with hash 171861938, now seen corresponding path program 1 times [2018-09-18 11:43:03,285 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:43:03,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:03,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:03,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:03,286 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:43:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 11:43:03,846 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:43:03,846 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-09-18 11:43:03,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:03,866 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:43:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:04,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:43:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-09-18 11:43:04,271 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:43:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-09-18 11:43:04,724 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:43:04,725 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 8 [2018-09-18 11:43:04,725 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:43:04,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:43:04,726 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:43:04,726 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:43:04,726 INFO L87 Difference]: Start difference. First operand 45860 states and 62659 transitions. Second operand 3 states. [2018-09-18 11:43:16,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:43:16,048 INFO L93 Difference]: Finished difference Result 113615 states and 159825 transitions. [2018-09-18 11:43:16,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:43:16,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 267 [2018-09-18 11:43:16,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:43:16,368 INFO L225 Difference]: With dead ends: 113615 [2018-09-18 11:43:16,369 INFO L226 Difference]: Without dead ends: 67761 [2018-09-18 11:43:16,718 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-09-18 11:43:16,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67761 states. [2018-09-18 11:43:18,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67761 to 66251. [2018-09-18 11:43:18,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66251 states. [2018-09-18 11:43:18,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66251 states to 66251 states and 86885 transitions. [2018-09-18 11:43:18,217 INFO L78 Accepts]: Start accepts. Automaton has 66251 states and 86885 transitions. Word has length 267 [2018-09-18 11:43:18,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:43:18,217 INFO L480 AbstractCegarLoop]: Abstraction has 66251 states and 86885 transitions. [2018-09-18 11:43:18,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:43:18,217 INFO L276 IsEmpty]: Start isEmpty. Operand 66251 states and 86885 transitions. [2018-09-18 11:43:18,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-09-18 11:43:18,234 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:43:18,235 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:43:18,235 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:43:18,235 INFO L82 PathProgramCache]: Analyzing trace with hash -518596448, now seen corresponding path program 1 times [2018-09-18 11:43:18,235 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:43:18,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:18,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:18,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:18,237 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:43:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:18,839 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 10 [2018-09-18 11:43:19,199 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-18 11:43:19,467 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 126 proven. 89 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:43:19,467 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:43:19,467 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-09-18 11:43:19,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:19,483 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:43:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:19,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:43:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-09-18 11:43:20,019 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:43:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 126 proven. 89 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:43:20,934 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-09-18 11:43:20,935 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 11 [2018-09-18 11:43:20,935 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:43:20,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 11:43:20,937 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 11:43:20,937 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-09-18 11:43:20,937 INFO L87 Difference]: Start difference. First operand 66251 states and 86885 transitions. Second operand 5 states. [2018-09-18 11:43:40,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:43:40,872 INFO L93 Difference]: Finished difference Result 139410 states and 185661 transitions. [2018-09-18 11:43:40,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-18 11:43:40,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 272 [2018-09-18 11:43:40,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:43:41,130 INFO L225 Difference]: With dead ends: 139410 [2018-09-18 11:43:41,130 INFO L226 Difference]: Without dead ends: 72360 [2018-09-18 11:43:41,281 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 539 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-09-18 11:43:41,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72360 states. [2018-09-18 11:43:43,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72360 to 69939. [2018-09-18 11:43:43,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69939 states. [2018-09-18 11:43:43,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69939 states to 69939 states and 92272 transitions. [2018-09-18 11:43:43,251 INFO L78 Accepts]: Start accepts. Automaton has 69939 states and 92272 transitions. Word has length 272 [2018-09-18 11:43:43,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:43:43,252 INFO L480 AbstractCegarLoop]: Abstraction has 69939 states and 92272 transitions. [2018-09-18 11:43:43,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 11:43:43,252 INFO L276 IsEmpty]: Start isEmpty. Operand 69939 states and 92272 transitions. [2018-09-18 11:43:43,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-09-18 11:43:43,274 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:43:43,275 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 11:43:43,275 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:43:43,275 INFO L82 PathProgramCache]: Analyzing trace with hash 149022908, now seen corresponding path program 1 times [2018-09-18 11:43:43,275 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:43:43,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:43,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:43,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:43,277 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:43:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 342 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-09-18 11:43:43,717 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:43:43,717 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:43:43,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:43,725 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:43:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:43,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:43:44,174 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 282 proven. 2 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-09-18 11:43:44,175 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:43:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 199 proven. 238 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:43:44,875 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:43:44,875 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:43:44,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:44,892 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:43:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:45,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:43:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-09-18 11:43:45,498 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:43:45,756 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-09-18 11:43:45,759 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 3 imperfect interpolant sequences. [2018-09-18 11:43:45,759 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6, 7, 8] total 18 [2018-09-18 11:43:45,759 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 11:43:45,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 11:43:45,760 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 11:43:45,760 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-09-18 11:43:45,760 INFO L87 Difference]: Start difference. First operand 69939 states and 92272 transitions. Second operand 3 states. [2018-09-18 11:43:53,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 11:43:53,373 INFO L93 Difference]: Finished difference Result 168347 states and 228373 transitions. [2018-09-18 11:43:53,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 11:43:53,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 353 [2018-09-18 11:43:53,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 11:43:53,712 INFO L225 Difference]: With dead ends: 168347 [2018-09-18 11:43:53,712 INFO L226 Difference]: Without dead ends: 94249 [2018-09-18 11:43:53,961 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1416 GetRequests, 1399 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-09-18 11:43:54,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94249 states. [2018-09-18 11:43:55,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94249 to 93906. [2018-09-18 11:43:55,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93906 states. [2018-09-18 11:43:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93906 states to 93906 states and 121409 transitions. [2018-09-18 11:43:55,438 INFO L78 Accepts]: Start accepts. Automaton has 93906 states and 121409 transitions. Word has length 353 [2018-09-18 11:43:55,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 11:43:55,439 INFO L480 AbstractCegarLoop]: Abstraction has 93906 states and 121409 transitions. [2018-09-18 11:43:55,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 11:43:55,439 INFO L276 IsEmpty]: Start isEmpty. Operand 93906 states and 121409 transitions. [2018-09-18 11:43:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-09-18 11:43:55,458 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 11:43:55,458 INFO L376 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-09-18 11:43:55,459 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 11:43:55,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1465609836, now seen corresponding path program 1 times [2018-09-18 11:43:55,459 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 11:43:55,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:55,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:55,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 11:43:55,460 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 11:43:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:56,037 WARN L178 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 8 [2018-09-18 11:43:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 195 proven. 191 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-18 11:43:57,308 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:43:57,308 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-18 11:43:57,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:57,316 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:43:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:57,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:43:57,928 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 412 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-09-18 11:43:57,928 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:43:58,548 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:43:59,150 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 195 proven. 278 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:43:59,171 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 11:43:59,171 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 11:43:59,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 11:43:59,188 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 11:43:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 11:43:59,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 11:43:59,933 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 412 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-09-18 11:43:59,933 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 11:44:00,373 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-09-18 11:44:01,306 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 195 proven. 278 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-18 11:44:01,311 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 11:44:01,311 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 8] total 26 [2018-09-18 11:44:01,312 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 11:44:01,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-18 11:44:01,313 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-18 11:44:01,313 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=517, Unknown=0, NotChecked=0, Total=650 [2018-09-18 11:44:01,314 INFO L87 Difference]: Start difference. First operand 93906 states and 121409 transitions. Second operand 14 states. [2018-09-18 11:44:01,840 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 12 Received shutdown request... [2018-09-18 11:44:48,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-09-18 11:44:48,929 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-18 11:44:48,933 WARN L206 ceAbstractionStarter]: Timeout [2018-09-18 11:44:48,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 11:44:48 BoogieIcfgContainer [2018-09-18 11:44:48,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 11:44:48,935 INFO L168 Benchmark]: Toolchain (without parser) took 225770.00 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.3 GB). Peak memory consumption was 892.3 MB. Max. memory is 7.1 GB. [2018-09-18 11:44:48,936 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 11:44:48,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2634.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. [2018-09-18 11:44:48,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 351.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 969.9 MB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-09-18 11:44:48,938 INFO L168 Benchmark]: Boogie Preprocessor took 1338.24 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 956.8 MB). Free memory was 969.9 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. [2018-09-18 11:44:48,939 INFO L168 Benchmark]: RCFGBuilder took 13090.87 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 189.8 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -62.2 MB). Peak memory consumption was 773.0 MB. Max. memory is 7.1 GB. [2018-09-18 11:44:48,941 INFO L168 Benchmark]: TraceAbstraction took 208348.05 ms. Allocated memory was 2.6 GB in the beginning and 3.6 GB in the end (delta: 1.0 GB). Free memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: -326.8 MB). Peak memory consumption was 692.4 MB. Max. memory is 7.1 GB. [2018-09-18 11:44:48,945 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2634.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 339.3 MB). Peak memory consumption was 339.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 351.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.0 GB in the beginning and 969.9 MB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 1338.24 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 956.8 MB). Free memory was 969.9 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 174.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 13090.87 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 189.8 MB). Free memory was 2.2 GB in the beginning and 2.3 GB in the end (delta: -62.2 MB). Peak memory consumption was 773.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 208348.05 ms. Allocated memory was 2.6 GB in the beginning and 3.6 GB in the end (delta: 1.0 GB). Free memory was 2.3 GB in the beginning and 2.6 GB in the end (delta: -326.8 MB). Peak memory consumption was 692.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 201]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 201). Cancelled while BasicCegarLoop was constructing difference of abstraction (93906states) and FLOYD_HOARE automaton (currently 55 states, 14 states before enhancement), while ReachableStatesComputation was computing reachable states (81230 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 208.2s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 183.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7084 SDtfs, 34989 SDslu, 5185 SDs, 0 SdLazy, 74975 SolverSat, 11508 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 154.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4152 GetRequests, 3997 SyntacticMatches, 17 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1638 ImplicationChecksByTransitivity, 9.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93906occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 8.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 5079 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 4216 NumberOfCodeBlocks, 4216 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 6185 ConstructedInterpolants, 333 QuantifiedInterpolants, 10125700 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3480 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 5006/6181 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label18_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_11-44-48-960.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem13_label18_true-unreach-call.c_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_11-44-48-960.csv Completed graceful shutdown