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/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem17_label10_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-06 21:39:37,738 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-06 21:39:37,749 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-06 21:39:37,767 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-06 21:39:37,767 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-06 21:39:37,769 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-06 21:39:37,771 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-06 21:39:37,773 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-06 21:39:37,777 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-06 21:39:37,779 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-06 21:39:37,779 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-06 21:39:37,780 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-06 21:39:37,782 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-06 21:39:37,783 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-06 21:39:37,792 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-06 21:39:37,795 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-06 21:39:37,796 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-06 21:39:37,798 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-06 21:39:37,803 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-06 21:39:37,806 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-06 21:39:37,809 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-06 21:39:37,812 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-06 21:39:37,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-06 21:39:37,818 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-06 21:39:37,818 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-06 21:39:37,822 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-06 21:39:37,823 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-06 21:39:37,827 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-06 21:39:37,828 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-06 21:39:37,831 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-06 21:39:37,831 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-06 21:39:37,832 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-06 21:39:37,833 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-06 21:39:37,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-06 21:39:37,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-06 21:39:37,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-06 21:39:37,835 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-06 21:39:37,860 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-06 21:39:37,861 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-06 21:39:37,862 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-06 21:39:37,862 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-06 21:39:37,863 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-06 21:39:37,863 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-06 21:39:37,863 INFO L133 SettingsManager]: * Use SBE=true [2018-11-06 21:39:37,864 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-06 21:39:37,864 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-06 21:39:37,864 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-06 21:39:37,864 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-06 21:39:37,865 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-06 21:39:37,865 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-06 21:39:37,865 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-06 21:39:37,865 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-06 21:39:37,865 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-06 21:39:37,866 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-06 21:39:37,866 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-06 21:39:37,866 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-06 21:39:37,866 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-06 21:39:37,866 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-06 21:39:37,867 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-06 21:39:37,867 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-06 21:39:37,867 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-06 21:39:37,867 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-06 21:39:37,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-06 21:39:37,868 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-06 21:39:37,868 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-06 21:39:37,912 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-06 21:39:37,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-06 21:39:37,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-06 21:39:37,930 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-06 21:39:37,931 INFO L276 PluginConnector]: CDTParser initialized [2018-11-06 21:39:37,931 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label10_true-unreach-call.c [2018-11-06 21:39:37,992 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03a09664/24475f695c244ab290de501dfe365e6f/FLAG4153c339c [2018-11-06 21:39:38,734 INFO L298 CDTParser]: Found 1 translation units. [2018-11-06 21:39:38,736 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label10_true-unreach-call.c [2018-11-06 21:39:38,768 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03a09664/24475f695c244ab290de501dfe365e6f/FLAG4153c339c [2018-11-06 21:39:38,793 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03a09664/24475f695c244ab290de501dfe365e6f [2018-11-06 21:39:38,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-06 21:39:38,812 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-06 21:39:38,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-06 21:39:38,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-06 21:39:38,818 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-06 21:39:38,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:39:38" (1/1) ... [2018-11-06 21:39:38,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672c8373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:38, skipping insertion in model container [2018-11-06 21:39:38,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:39:38" (1/1) ... [2018-11-06 21:39:38,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-06 21:39:38,980 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-06 21:39:40,097 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 21:39:40,102 INFO L189 MainTranslator]: Completed pre-run [2018-11-06 21:39:40,528 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-06 21:39:40,555 INFO L193 MainTranslator]: Completed translation [2018-11-06 21:39:40,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:40 WrapperNode [2018-11-06 21:39:40,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-06 21:39:40,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-06 21:39:40,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-06 21:39:40,560 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-06 21:39:40,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:40" (1/1) ... [2018-11-06 21:39:40,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:40" (1/1) ... [2018-11-06 21:39:41,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-06 21:39:41,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-06 21:39:41,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-06 21:39:41,099 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-06 21:39:41,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:40" (1/1) ... [2018-11-06 21:39:41,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:40" (1/1) ... [2018-11-06 21:39:41,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:40" (1/1) ... [2018-11-06 21:39:41,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:40" (1/1) ... [2018-11-06 21:39:41,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:40" (1/1) ... [2018-11-06 21:39:41,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:40" (1/1) ... [2018-11-06 21:39:41,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:40" (1/1) ... [2018-11-06 21:39:41,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-06 21:39:41,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-06 21:39:41,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-06 21:39:41,401 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-06 21:39:41,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:40" (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 [2018-11-06 21:39:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-06 21:39:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-06 21:39:41,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-06 21:39:50,047 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-06 21:39:50,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:39:50 BoogieIcfgContainer [2018-11-06 21:39:50,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-06 21:39:50,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-06 21:39:50,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-06 21:39:50,054 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-06 21:39:50,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:39:38" (1/3) ... [2018-11-06 21:39:50,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cbe8c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:39:50, skipping insertion in model container [2018-11-06 21:39:50,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:39:40" (2/3) ... [2018-11-06 21:39:50,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cbe8c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:39:50, skipping insertion in model container [2018-11-06 21:39:50,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:39:50" (3/3) ... [2018-11-06 21:39:50,058 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem17_label10_true-unreach-call.c [2018-11-06 21:39:50,069 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-06 21:39:50,079 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-06 21:39:50,097 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-06 21:39:50,141 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-06 21:39:50,142 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-06 21:39:50,142 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-06 21:39:50,142 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-06 21:39:50,143 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-06 21:39:50,143 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-06 21:39:50,143 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-06 21:39:50,143 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-06 21:39:50,143 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-06 21:39:50,178 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2018-11-06 21:39:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-06 21:39:50,194 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:39:50,195 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] [2018-11-06 21:39:50,198 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:39:50,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:39:50,205 INFO L82 PathProgramCache]: Analyzing trace with hash 935177138, now seen corresponding path program 1 times [2018-11-06 21:39:50,207 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:39:50,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:39:50,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:39:50,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:39:50,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:39:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:39:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:39:50,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:39:50,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:39:50,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:39:50,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:39:50,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:39:50,735 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 4 states. [2018-11-06 21:39:58,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:39:58,263 INFO L93 Difference]: Finished difference Result 2085 states and 3898 transitions. [2018-11-06 21:39:58,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:39:58,265 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2018-11-06 21:39:58,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:39:58,300 INFO L225 Difference]: With dead ends: 2085 [2018-11-06 21:39:58,300 INFO L226 Difference]: Without dead ends: 1487 [2018-11-06 21:39:58,307 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:39:58,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2018-11-06 21:39:58,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1023. [2018-11-06 21:39:58,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1023 states. [2018-11-06 21:39:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1623 transitions. [2018-11-06 21:39:58,429 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1623 transitions. Word has length 40 [2018-11-06 21:39:58,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:39:58,429 INFO L480 AbstractCegarLoop]: Abstraction has 1023 states and 1623 transitions. [2018-11-06 21:39:58,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:39:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1623 transitions. [2018-11-06 21:39:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-06 21:39:58,435 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:39:58,435 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:39:58,437 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:39:58,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:39:58,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1031753686, now seen corresponding path program 1 times [2018-11-06 21:39:58,437 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:39:58,438 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:39:58,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:39:58,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:39:58,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:39:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:39:58,706 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:39:58,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:39:58,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:39:58,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-06 21:39:58,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-06 21:39:58,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:39:58,709 INFO L87 Difference]: Start difference. First operand 1023 states and 1623 transitions. Second operand 4 states. [2018-11-06 21:40:07,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:40:07,231 INFO L93 Difference]: Finished difference Result 2908 states and 4662 transitions. [2018-11-06 21:40:07,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 21:40:07,232 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-06 21:40:07,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:40:07,245 INFO L225 Difference]: With dead ends: 2908 [2018-11-06 21:40:07,245 INFO L226 Difference]: Without dead ends: 1887 [2018-11-06 21:40:07,253 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-06 21:40:07,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2018-11-06 21:40:07,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1887. [2018-11-06 21:40:07,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states. [2018-11-06 21:40:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2573 transitions. [2018-11-06 21:40:07,314 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2573 transitions. Word has length 108 [2018-11-06 21:40:07,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:40:07,315 INFO L480 AbstractCegarLoop]: Abstraction has 1887 states and 2573 transitions. [2018-11-06 21:40:07,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-06 21:40:07,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2573 transitions. [2018-11-06 21:40:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-06 21:40:07,319 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:40:07,320 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:40:07,320 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:40:07,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:40:07,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1752829921, now seen corresponding path program 1 times [2018-11-06 21:40:07,321 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:40:07,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:40:07,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:40:07,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:40:07,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:40:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:40:07,626 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:40:07,626 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:40:07,627 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2018-11-06 21:40:07,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:40:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:40:07,717 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:40:08,614 WARN L179 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2018-11-06 21:40:08,933 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-06 21:40:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:40:09,065 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 21:40:09,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2018-11-06 21:40:09,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-06 21:40:09,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-06 21:40:09,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-06 21:40:09,067 INFO L87 Difference]: Start difference. First operand 1887 states and 2573 transitions. Second operand 8 states. [2018-11-06 21:40:09,313 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-06 21:40:30,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:40:30,754 INFO L93 Difference]: Finished difference Result 11978 states and 15580 transitions. [2018-11-06 21:40:30,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-06 21:40:30,755 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 111 [2018-11-06 21:40:30,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:40:30,787 INFO L225 Difference]: With dead ends: 11978 [2018-11-06 21:40:30,787 INFO L226 Difference]: Without dead ends: 6161 [2018-11-06 21:40:30,795 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2018-11-06 21:40:30,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6161 states. [2018-11-06 21:40:30,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6161 to 5724. [2018-11-06 21:40:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5724 states. [2018-11-06 21:40:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5724 states to 5724 states and 6817 transitions. [2018-11-06 21:40:30,899 INFO L78 Accepts]: Start accepts. Automaton has 5724 states and 6817 transitions. Word has length 111 [2018-11-06 21:40:30,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:40:30,899 INFO L480 AbstractCegarLoop]: Abstraction has 5724 states and 6817 transitions. [2018-11-06 21:40:30,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-06 21:40:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 5724 states and 6817 transitions. [2018-11-06 21:40:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-06 21:40:30,906 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:40:30,906 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-06 21:40:30,906 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:40:30,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:40:30,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1419528170, now seen corresponding path program 1 times [2018-11-06 21:40:30,907 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:40:30,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:40:30,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:40:30,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:40:30,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:40:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:40:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 119 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-06 21:40:31,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:40:31,347 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP 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) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:40:31,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:40:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:40:31,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:40:31,604 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-06 21:40:31,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-06 21:40:31,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-06 21:40:31,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-06 21:40:31,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-06 21:40:31,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 21:40:31,638 INFO L87 Difference]: Start difference. First operand 5724 states and 6817 transitions. Second operand 5 states. [2018-11-06 21:40:35,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:40:35,701 INFO L93 Difference]: Finished difference Result 13571 states and 16674 transitions. [2018-11-06 21:40:35,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-06 21:40:35,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 207 [2018-11-06 21:40:35,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:40:35,744 INFO L225 Difference]: With dead ends: 13571 [2018-11-06 21:40:35,744 INFO L226 Difference]: Without dead ends: 8282 [2018-11-06 21:40:35,752 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-11-06 21:40:35,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8282 states. [2018-11-06 21:40:35,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8282 to 8282. [2018-11-06 21:40:35,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8282 states. [2018-11-06 21:40:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8282 states to 8282 states and 9703 transitions. [2018-11-06 21:40:35,924 INFO L78 Accepts]: Start accepts. Automaton has 8282 states and 9703 transitions. Word has length 207 [2018-11-06 21:40:35,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:40:35,925 INFO L480 AbstractCegarLoop]: Abstraction has 8282 states and 9703 transitions. [2018-11-06 21:40:35,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-06 21:40:35,926 INFO L276 IsEmpty]: Start isEmpty. Operand 8282 states and 9703 transitions. [2018-11-06 21:40:35,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-06 21:40:35,931 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:40:35,931 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:40:35,932 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:40:35,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:40:35,932 INFO L82 PathProgramCache]: Analyzing trace with hash -942182558, now seen corresponding path program 1 times [2018-11-06 21:40:35,932 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:40:35,932 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:40:35,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:40:35,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:40:35,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:40:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:40:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-06 21:40:36,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-06 21:40:36,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-06 21:40:36,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-06 21:40:36,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-06 21:40:36,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 21:40:36,498 INFO L87 Difference]: Start difference. First operand 8282 states and 9703 transitions. Second operand 3 states. [2018-11-06 21:40:39,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:40:39,254 INFO L93 Difference]: Finished difference Result 24237 states and 28385 transitions. [2018-11-06 21:40:39,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-06 21:40:39,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2018-11-06 21:40:39,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:40:39,301 INFO L225 Difference]: With dead ends: 24237 [2018-11-06 21:40:39,301 INFO L226 Difference]: Without dead ends: 13380 [2018-11-06 21:40:39,316 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-06 21:40:39,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13380 states. [2018-11-06 21:40:39,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13380 to 12950. [2018-11-06 21:40:39,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12950 states. [2018-11-06 21:40:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12950 states to 12950 states and 14799 transitions. [2018-11-06 21:40:39,566 INFO L78 Accepts]: Start accepts. Automaton has 12950 states and 14799 transitions. Word has length 280 [2018-11-06 21:40:39,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:40:39,566 INFO L480 AbstractCegarLoop]: Abstraction has 12950 states and 14799 transitions. [2018-11-06 21:40:39,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-06 21:40:39,567 INFO L276 IsEmpty]: Start isEmpty. Operand 12950 states and 14799 transitions. [2018-11-06 21:40:39,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-11-06 21:40:39,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:40:39,573 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:40:39,573 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:40:39,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:40:39,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1789955656, now seen corresponding path program 1 times [2018-11-06 21:40:39,574 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:40:39,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:40:39,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:40:39,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:40:39,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:40:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:40:40,336 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2018-11-06 21:40:40,680 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 220 proven. 83 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-06 21:40:40,681 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:40:40,681 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP 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 [2018-11-06 21:40:40,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:40:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:40:40,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:40:40,987 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 220 proven. 83 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-06 21:40:41,016 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 21:40:41,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2018-11-06 21:40:41,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-06 21:40:41,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-06 21:40:41,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-06 21:40:41,018 INFO L87 Difference]: Start difference. First operand 12950 states and 14799 transitions. Second operand 9 states. [2018-11-06 21:40:50,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-06 21:40:50,049 INFO L93 Difference]: Finished difference Result 28033 states and 31882 transitions. [2018-11-06 21:40:50,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-06 21:40:50,050 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 303 [2018-11-06 21:40:50,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-06 21:40:50,079 INFO L225 Difference]: With dead ends: 28033 [2018-11-06 21:40:50,079 INFO L226 Difference]: Without dead ends: 15085 [2018-11-06 21:40:50,093 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-06 21:40:50,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15085 states. [2018-11-06 21:40:50,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15085 to 14651. [2018-11-06 21:40:50,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14651 states. [2018-11-06 21:40:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14651 states to 14651 states and 16556 transitions. [2018-11-06 21:40:50,294 INFO L78 Accepts]: Start accepts. Automaton has 14651 states and 16556 transitions. Word has length 303 [2018-11-06 21:40:50,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-06 21:40:50,294 INFO L480 AbstractCegarLoop]: Abstraction has 14651 states and 16556 transitions. [2018-11-06 21:40:50,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-06 21:40:50,295 INFO L276 IsEmpty]: Start isEmpty. Operand 14651 states and 16556 transitions. [2018-11-06 21:40:50,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-06 21:40:50,299 INFO L367 BasicCegarLoop]: Found error trace [2018-11-06 21:40:50,300 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-06 21:40:50,300 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-06 21:40:50,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-06 21:40:50,301 INFO L82 PathProgramCache]: Analyzing trace with hash -689250549, now seen corresponding path program 1 times [2018-11-06 21:40:50,301 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-06 21:40:50,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-06 21:40:50,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:40:50,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:40:50,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-06 21:40:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:40:50,835 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:40:50,835 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-06 21:40:50,836 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-06 21:40:50,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-06 21:40:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-06 21:40:50,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-06 21:41:36,301 WARN L179 SmtUtils]: Spent 44.51 s on a formula simplification. DAG size of input: 1123 DAG size of output: 76 [2018-11-06 21:41:39,750 WARN L179 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2018-11-06 21:41:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 337 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-06 21:41:41,442 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-06 21:41:41,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2018-11-06 21:41:41,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-06 21:41:41,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-06 21:41:41,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-06 21:41:41,445 INFO L87 Difference]: Start difference. First operand 14651 states and 16556 transitions. Second operand 12 states. [2018-11-06 21:41:42,816 WARN L179 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 32 [2018-11-06 21:41:47,998 WARN L179 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2018-11-06 21:41:50,599 WARN L179 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 79 DAG size of output: 53 [2018-11-06 21:41:53,054 WARN L179 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 80 DAG size of output: 53 [2018-11-06 21:42:00,194 WARN L179 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 31 [2018-11-06 21:42:04,547 WARN L179 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 31 [2018-11-06 21:42:18,989 WARN L179 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 35 [2018-11-06 21:42:28,219 WARN L179 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 28 [2018-11-06 21:42:52,919 WARN L179 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 35 [2018-11-06 21:43:15,882 WARN L179 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2018-11-06 21:43:18,379 WARN L179 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 79 [2018-11-06 21:43:22,474 WARN L179 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 32 Received shutdown request... [2018-11-06 21:43:50,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-06 21:43:50,356 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-06 21:43:50,362 WARN L205 ceAbstractionStarter]: Timeout [2018-11-06 21:43:50,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:43:50 BoogieIcfgContainer [2018-11-06 21:43:50,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-06 21:43:50,363 INFO L168 Benchmark]: Toolchain (without parser) took 251553.01 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -160.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-11-06 21:43:50,364 INFO L168 Benchmark]: CDTParser took 0.25 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. [2018-11-06 21:43:50,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1743.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2018-11-06 21:43:50,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 541.27 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.6 MB). Free memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: -884.0 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2018-11-06 21:43:50,368 INFO L168 Benchmark]: Boogie Preprocessor took 300.86 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2018-11-06 21:43:50,369 INFO L168 Benchmark]: RCFGBuilder took 8648.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 480.4 MB). Peak memory consumption was 480.4 MB. Max. memory is 7.1 GB. [2018-11-06 21:43:50,370 INFO L168 Benchmark]: TraceAbstraction took 240312.61 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 972.0 MB). Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 77.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-11-06 21:43:50,377 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1743.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 541.27 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 758.6 MB). Free memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: -884.0 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 300.86 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8648.36 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.6 GB in the end (delta: 480.4 MB). Peak memory consumption was 480.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 240312.61 ms. Allocated memory was 2.3 GB in the beginning and 3.2 GB in the end (delta: 972.0 MB). Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 77.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 125]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 125). Cancelled while BasicCegarLoop was constructing difference of abstraction (14651states) and FLOYD_HOARE automaton (currently 33 states, 12 states before enhancement),while ReachableStatesComputation was computing reachable states (61234 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 591 locations, 1 error locations. TIMEOUT Result, 240.2s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 182.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3104 SDtfs, 22394 SDslu, 2480 SDs, 0 SdLazy, 49243 SolverSat, 6016 SolverUnsat, 86 SolverUnknown, 0 SolverNotchecked, 148.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1019 GetRequests, 939 SyntacticMatches, 12 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 73.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14651occurred in iteration=6, 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: 0.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 1765 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 54.8s InterpolantComputationTime, 2284 NumberOfCodeBlocks, 2284 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2273 ConstructedInterpolants, 64 QuantifiedInterpolants, 4128631 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1302 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 1564/2169 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown