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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 04:19:53,655 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 04:19:53,657 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 04:19:53,672 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 04:19:53,672 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 04:19:53,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 04:19:53,675 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 04:19:53,677 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 04:19:53,678 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 04:19:53,679 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 04:19:53,680 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 04:19:53,681 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 04:19:53,682 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 04:19:53,683 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 04:19:53,684 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 04:19:53,685 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 04:19:53,686 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 04:19:53,688 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 04:19:53,690 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 04:19:53,691 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 04:19:53,693 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 04:19:53,694 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 04:19:53,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-07 04:19:53,704 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 04:19:53,704 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 04:19:53,705 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 04:19:53,706 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 04:19:53,706 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 04:19:53,730 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 04:19:53,730 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 04:19:53,731 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 04:19:53,731 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 04:19:53,731 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 04:19:53,731 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 04:19:53,732 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 04:19:53,732 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 04:19:53,732 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 04:19:53,732 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 04:19:53,732 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 04:19:53,733 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 04:19:53,734 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 04:19:53,734 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 04:19:53,735 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 04:19:53,735 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 04:19:53,735 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 04:19:53,735 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 04:19:53,735 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 04:19:53,736 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 04:19:53,736 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 04:19:53,736 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 04:19:53,736 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 04:19:53,736 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 04:19:53,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 04:19:53,737 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 04:19:53,737 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 04:19:53,737 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 04:19:53,737 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 04:19:53,738 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 04:19:53,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 04:19:53,738 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 04:19:53,738 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 04:19:53,738 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 04:19:53,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 04:19:53,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 04:19:53,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 04:19:53,806 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 04:19:53,806 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 04:19:53,807 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-11-07 04:19:53,872 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6bffbe5d/5344aad4973a4ba2a21c86cbf2ecfa9e/FLAG11b335a5b [2018-11-07 04:19:54,752 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 04:19:54,753 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label57_true-unreach-call.c [2018-11-07 04:19:54,795 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6bffbe5d/5344aad4973a4ba2a21c86cbf2ecfa9e/FLAG11b335a5b [2018-11-07 04:19:54,811 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6bffbe5d/5344aad4973a4ba2a21c86cbf2ecfa9e [2018-11-07 04:19:54,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 04:19:54,826 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 04:19:54,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 04:19:54,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 04:19:54,832 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 04:19:54,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:19:54" (1/1) ... [2018-11-07 04:19:54,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788ac85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:54, skipping insertion in model container [2018-11-07 04:19:54,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:19:54" (1/1) ... [2018-11-07 04:19:54,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 04:19:55,123 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 04:19:57,272 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 04:19:57,277 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 04:19:58,478 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 04:19:58,535 INFO L193 MainTranslator]: Completed translation [2018-11-07 04:19:58,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:58 WrapperNode [2018-11-07 04:19:58,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 04:19:58,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 04:19:58,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 04:19:58,537 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 04:19:58,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:58" (1/1) ... [2018-11-07 04:19:59,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:58" (1/1) ... [2018-11-07 04:19:59,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 04:19:59,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 04:19:59,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 04:19:59,080 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 04:19:59,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:58" (1/1) ... [2018-11-07 04:19:59,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:58" (1/1) ... [2018-11-07 04:19:59,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:58" (1/1) ... [2018-11-07 04:19:59,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:58" (1/1) ... [2018-11-07 04:19:59,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:58" (1/1) ... [2018-11-07 04:19:59,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:58" (1/1) ... [2018-11-07 04:19:59,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:58" (1/1) ... [2018-11-07 04:19:59,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 04:19:59,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 04:19:59,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 04:19:59,512 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 04:19:59,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:58" (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 [2018-11-07 04:19:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 04:19:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 04:19:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 04:19:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-07 04:19:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-07 04:19:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-07 04:19:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-07 04:19:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 04:19:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 04:19:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 04:19:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 04:19:59,590 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 04:19:59,590 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 04:19:59,591 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 04:19:59,591 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 04:19:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 04:19:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 04:19:59,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 04:19:59,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 04:20:14,452 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 04:20:14,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:20:14 BoogieIcfgContainer [2018-11-07 04:20:14,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 04:20:14,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 04:20:14,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 04:20:14,457 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 04:20:14,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:19:54" (1/3) ... [2018-11-07 04:20:14,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d733ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:20:14, skipping insertion in model container [2018-11-07 04:20:14,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:58" (2/3) ... [2018-11-07 04:20:14,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d733ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:20:14, skipping insertion in model container [2018-11-07 04:20:14,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:20:14" (3/3) ... [2018-11-07 04:20:14,460 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label57_true-unreach-call.c [2018-11-07 04:20:14,470 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 04:20:14,481 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 04:20:14,500 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 04:20:14,552 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 04:20:14,553 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 04:20:14,553 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 04:20:14,553 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 04:20:14,553 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 04:20:14,553 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 04:20:14,553 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 04:20:14,553 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 04:20:14,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-11-07 04:20:14,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-07 04:20:14,622 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:20:14,624 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:20:14,626 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:20:14,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:20:14,632 INFO L82 PathProgramCache]: Analyzing trace with hash 281412154, now seen corresponding path program 1 times [2018-11-07 04:20:14,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:20:14,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:20:14,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:20:14,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:20:14,682 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:20:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:20:15,152 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 04:20:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:20:15,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:20:15,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 04:20:15,236 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:20:15,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 04:20:15,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 04:20:15,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 04:20:15,262 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-11-07 04:20:27,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:20:27,898 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-11-07 04:20:27,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 04:20:27,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-07 04:20:27,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:20:27,947 INFO L225 Difference]: With dead ends: 4998 [2018-11-07 04:20:27,947 INFO L226 Difference]: Without dead ends: 3218 [2018-11-07 04:20:27,960 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 [2018-11-07 04:20:27,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-11-07 04:20:28,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-11-07 04:20:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-11-07 04:20:28,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-11-07 04:20:28,188 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 63 [2018-11-07 04:20:28,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:20:28,189 INFO L480 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-11-07 04:20:28,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 04:20:28,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-11-07 04:20:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-07 04:20:28,197 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:20:28,197 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:20:28,198 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:20:28,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:20:28,198 INFO L82 PathProgramCache]: Analyzing trace with hash 375438820, now seen corresponding path program 1 times [2018-11-07 04:20:28,198 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:20:28,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:20:28,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:20:28,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:20:28,200 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:20:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:20:28,548 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 04:20:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:20:28,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:20:28,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 04:20:28,928 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:20:28,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 04:20:28,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 04:20:28,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 04:20:28,932 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-11-07 04:20:50,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:20:50,784 INFO L93 Difference]: Finished difference Result 9340 states and 16946 transitions. [2018-11-07 04:20:50,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 04:20:50,787 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-11-07 04:20:50,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:20:50,826 INFO L225 Difference]: With dead ends: 9340 [2018-11-07 04:20:50,827 INFO L226 Difference]: Without dead ends: 6131 [2018-11-07 04:20:50,837 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 04:20:50,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6131 states. [2018-11-07 04:20:50,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6131 to 6091. [2018-11-07 04:20:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6091 states. [2018-11-07 04:20:51,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6091 states to 6091 states and 9637 transitions. [2018-11-07 04:20:51,007 INFO L78 Accepts]: Start accepts. Automaton has 6091 states and 9637 transitions. Word has length 135 [2018-11-07 04:20:51,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:20:51,008 INFO L480 AbstractCegarLoop]: Abstraction has 6091 states and 9637 transitions. [2018-11-07 04:20:51,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 04:20:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 6091 states and 9637 transitions. [2018-11-07 04:20:51,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-07 04:20:51,016 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:20:51,017 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:20:51,017 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:20:51,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:20:51,017 INFO L82 PathProgramCache]: Analyzing trace with hash 2059073519, now seen corresponding path program 1 times [2018-11-07 04:20:51,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:20:51,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:20:51,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:20:51,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:20:51,019 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:20:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:20:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:20:51,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:20:51,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 04:20:51,265 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:20:51,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 04:20:51,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 04:20:51,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 04:20:51,267 INFO L87 Difference]: Start difference. First operand 6091 states and 9637 transitions. Second operand 6 states. [2018-11-07 04:21:11,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:21:11,201 INFO L93 Difference]: Finished difference Result 21091 states and 34228 transitions. [2018-11-07 04:21:11,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 04:21:11,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-11-07 04:21:11,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:21:11,265 INFO L225 Difference]: With dead ends: 21091 [2018-11-07 04:21:11,266 INFO L226 Difference]: Without dead ends: 15006 [2018-11-07 04:21:11,290 INFO L604 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 [2018-11-07 04:21:11,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15006 states. [2018-11-07 04:21:11,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15006 to 14817. [2018-11-07 04:21:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14817 states. [2018-11-07 04:21:11,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14817 states to 14817 states and 22424 transitions. [2018-11-07 04:21:11,599 INFO L78 Accepts]: Start accepts. Automaton has 14817 states and 22424 transitions. Word has length 137 [2018-11-07 04:21:11,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:21:11,599 INFO L480 AbstractCegarLoop]: Abstraction has 14817 states and 22424 transitions. [2018-11-07 04:21:11,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 04:21:11,600 INFO L276 IsEmpty]: Start isEmpty. Operand 14817 states and 22424 transitions. [2018-11-07 04:21:11,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-07 04:21:11,603 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:21:11,604 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:21:11,604 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:21:11,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:21:11,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1489466256, now seen corresponding path program 1 times [2018-11-07 04:21:11,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:21:11,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:21:11,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:21:11,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:21:11,606 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:21:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:21:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:21:11,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:21:11,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 04:21:11,814 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:21:11,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 04:21:11,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 04:21:11,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-07 04:21:11,816 INFO L87 Difference]: Start difference. First operand 14817 states and 22424 transitions. Second operand 6 states. [2018-11-07 04:21:37,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:21:37,996 INFO L93 Difference]: Finished difference Result 58664 states and 93362 transitions. [2018-11-07 04:21:37,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 04:21:37,997 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-11-07 04:21:37,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:21:38,535 INFO L225 Difference]: With dead ends: 58664 [2018-11-07 04:21:38,535 INFO L226 Difference]: Without dead ends: 43853 [2018-11-07 04:21:38,604 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-07 04:21:38,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43853 states. [2018-11-07 04:21:39,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43853 to 43757. [2018-11-07 04:21:39,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43757 states. [2018-11-07 04:21:39,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43757 states to 43757 states and 63241 transitions. [2018-11-07 04:21:39,582 INFO L78 Accepts]: Start accepts. Automaton has 43757 states and 63241 transitions. Word has length 159 [2018-11-07 04:21:39,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:21:39,582 INFO L480 AbstractCegarLoop]: Abstraction has 43757 states and 63241 transitions. [2018-11-07 04:21:39,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 04:21:39,584 INFO L276 IsEmpty]: Start isEmpty. Operand 43757 states and 63241 transitions. [2018-11-07 04:21:39,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-07 04:21:39,588 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:21:39,589 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:21:39,589 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:21:39,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:21:39,590 INFO L82 PathProgramCache]: Analyzing trace with hash -943021916, now seen corresponding path program 1 times [2018-11-07 04:21:39,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:21:39,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:21:39,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:21:39,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:21:39,596 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:21:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:21:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:21:39,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:21:39,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 04:21:39,948 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:21:39,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 04:21:39,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 04:21:39,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 04:21:39,949 INFO L87 Difference]: Start difference. First operand 43757 states and 63241 transitions. Second operand 5 states. [2018-11-07 04:21:58,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:21:58,005 INFO L93 Difference]: Finished difference Result 132489 states and 204716 transitions. [2018-11-07 04:21:58,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 04:21:58,006 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 168 [2018-11-07 04:21:58,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:21:58,345 INFO L225 Difference]: With dead ends: 132489 [2018-11-07 04:21:58,345 INFO L226 Difference]: Without dead ends: 88738 [2018-11-07 04:21:58,457 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-07 04:21:58,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88738 states. [2018-11-07 04:22:00,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88738 to 87955. [2018-11-07 04:22:00,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87955 states. [2018-11-07 04:22:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87955 states to 87955 states and 121070 transitions. [2018-11-07 04:22:00,398 INFO L78 Accepts]: Start accepts. Automaton has 87955 states and 121070 transitions. Word has length 168 [2018-11-07 04:22:00,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:22:00,398 INFO L480 AbstractCegarLoop]: Abstraction has 87955 states and 121070 transitions. [2018-11-07 04:22:00,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 04:22:00,401 INFO L276 IsEmpty]: Start isEmpty. Operand 87955 states and 121070 transitions. [2018-11-07 04:22:00,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-07 04:22:00,409 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:22:00,410 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 04:22:00,410 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:22:00,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:22:00,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1450159581, now seen corresponding path program 1 times [2018-11-07 04:22:00,411 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:22:00,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:22:00,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:22:00,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:22:00,412 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:22:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:22:00,704 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 04:22:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 04:22:01,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 04:22:01,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 04:22:01,123 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:22:01,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 04:22:01,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 04:22:01,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 04:22:01,124 INFO L87 Difference]: Start difference. First operand 87955 states and 121070 transitions. Second operand 6 states. [2018-11-07 04:22:21,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 04:22:21,476 INFO L93 Difference]: Finished difference Result 207678 states and 304081 transitions. [2018-11-07 04:22:21,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 04:22:21,476 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-11-07 04:22:21,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 04:22:21,836 INFO L225 Difference]: With dead ends: 207678 [2018-11-07 04:22:21,836 INFO L226 Difference]: Without dead ends: 119729 [2018-11-07 04:22:21,996 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 [2018-11-07 04:22:22,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119729 states. [2018-11-07 04:22:23,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119729 to 119325. [2018-11-07 04:22:23,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119325 states. [2018-11-07 04:22:24,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119325 states to 119325 states and 160422 transitions. [2018-11-07 04:22:24,159 INFO L78 Accepts]: Start accepts. Automaton has 119325 states and 160422 transitions. Word has length 196 [2018-11-07 04:22:24,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 04:22:24,159 INFO L480 AbstractCegarLoop]: Abstraction has 119325 states and 160422 transitions. [2018-11-07 04:22:24,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 04:22:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 119325 states and 160422 transitions. [2018-11-07 04:22:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-07 04:22:24,180 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 04:22:24,180 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-07 04:22:24,180 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 04:22:24,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:22:24,181 INFO L82 PathProgramCache]: Analyzing trace with hash -324377534, now seen corresponding path program 1 times [2018-11-07 04:22:24,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 04:22:24,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:22:24,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 04:22:24,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 04:22:24,182 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 04:22:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 04:22:24,475 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 04:22:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 112 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-07 04:22:24,866 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 04:22:24,867 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 04:22:24,868 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-11-07 04:22:24,870 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5362], [5370], [5378], [5386], [5394], [5402], [5410], [5418], [5426], [5434], [5442], [5450], [5458], [5466], [5474], [5482], [5490], [5498], [5506], [5514], [5522], [5530], [5538], [5546], [5554], [5562], [5570], [5578], [5586], [5594], [5602], [5610], [5618], [5626], [5630], [5632], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5722], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-11-07 04:22:24,965 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-07 04:22:24,966 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 04:22:29,372 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-07 04:22:29,451 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-07 04:22:29,452 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-11-07 04:22:29,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 04:22:29,463 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-07 04:22:32,198 INFO L227 lantSequenceWeakener]: Weakened 224 states. On average, predicates are now at 75.87% of their original sizes. [2018-11-07 04:22:32,198 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-07 04:22:32,682 INFO L415 sIntCurrentIteration]: We unified 233 AI predicates to 233 [2018-11-07 04:22:32,682 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-07 04:22:32,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-07 04:22:32,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-07 04:22:32,684 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 04:22:32,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-07 04:22:32,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-07 04:22:32,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-07 04:22:32,686 INFO L87 Difference]: Start difference. First operand 119325 states and 160422 transitions. Second operand 7 states. Received shutdown request... [2018-11-07 04:23:20,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 04:23:20,338 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 04:23:20,345 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 04:23:20,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:23:20 BoogieIcfgContainer [2018-11-07 04:23:20,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 04:23:20,349 INFO L168 Benchmark]: Toolchain (without parser) took 205524.67 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 139.8 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-11-07 04:23:20,351 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-11-07 04:23:20,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3709.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 999.0 MB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2018-11-07 04:23:20,352 INFO L168 Benchmark]: Boogie Procedure Inliner took 542.29 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 854.6 MB). Free memory was 999.0 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. [2018-11-07 04:23:20,353 INFO L168 Benchmark]: Boogie Preprocessor took 432.31 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. [2018-11-07 04:23:20,360 INFO L168 Benchmark]: RCFGBuilder took 14940.35 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 154.7 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 511.1 MB). Peak memory consumption was 667.0 MB. Max. memory is 7.1 GB. [2018-11-07 04:23:20,361 INFO L168 Benchmark]: TraceAbstraction took 185892.02 ms. Allocated memory was 2.5 GB in the beginning and 3.9 GB in the end (delta: 1.3 GB). Free memory was 1.7 GB in the beginning and 1.3 GB in the end (delta: 481.5 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-11-07 04:23:20,376 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 3709.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 999.0 MB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 542.29 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 854.6 MB). Free memory was 999.0 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 99.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 432.31 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 14940.35 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 154.7 MB). Free memory was 2.3 GB in the beginning and 1.7 GB in the end (delta: 511.1 MB). Peak memory consumption was 667.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 185892.02 ms. Allocated memory was 2.5 GB in the beginning and 3.9 GB in the end (delta: 1.3 GB). Free memory was 1.7 GB in the beginning and 1.3 GB in the end (delta: 481.5 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 184]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 184). Cancelled while BasicCegarLoop was constructing difference of abstraction (119325states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (21233 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 185.8s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 168.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3831 SDtfs, 35610 SDslu, 4782 SDs, 0 SdLazy, 67791 SolverSat, 13880 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 116.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 285 GetRequests, 242 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119325occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9960118851105975 AbsIntWeakeningRatio, 0.12017167381974249 AbsIntAvgWeakeningVarsNumRemoved, 1040.6351931330473 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 6 MinimizatonAttempts, 1515 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1092 NumberOfCodeBlocks, 1092 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1085 ConstructedInterpolants, 0 QuantifiedInterpolants, 717466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 397/462 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown