java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 21:35:28,908 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 21:35:28,911 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 21:35:28,923 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 21:35:28,924 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 21:35:28,925 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 21:35:28,926 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 21:35:28,928 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 21:35:28,930 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 21:35:28,931 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 21:35:28,932 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 21:35:28,932 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 21:35:28,933 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 21:35:28,934 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 21:35:28,935 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 21:35:28,936 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 21:35:28,937 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 21:35:28,939 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 21:35:28,941 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 21:35:28,943 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 21:35:28,944 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 21:35:28,946 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 21:35:28,948 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-24 21:35:28,958 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 21:35:28,984 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 21:35:28,985 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 21:35:28,986 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 21:35:28,986 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 21:35:28,986 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 21:35:28,987 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 21:35:28,993 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 21:35:28,993 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 21:35:28,993 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 21:35:28,994 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 21:35:28,994 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 21:35:28,994 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 21:35:28,996 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 21:35:28,996 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 21:35:28,996 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 21:35:28,996 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 21:35:28,997 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 21:35:28,997 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 21:35:28,997 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 21:35:28,997 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 21:35:28,997 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 21:35:28,999 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 21:35:28,999 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 21:35:28,999 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 21:35:28,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:35:29,000 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 21:35:29,000 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 21:35:29,000 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 21:35:29,000 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 21:35:29,000 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 21:35:29,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 21:35:29,001 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 21:35:29,001 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 21:35:29,001 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 21:35:29,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 21:35:29,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 21:35:29,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 21:35:29,064 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 21:35:29,064 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 21:35:29,065 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c [2018-10-24 21:35:29,132 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/314565362/dc9e2e3577804594a38a19eeaee5eb90/FLAG047a30c70 [2018-10-24 21:35:29,975 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 21:35:29,976 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label53_true-unreach-call.c [2018-10-24 21:35:30,022 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/314565362/dc9e2e3577804594a38a19eeaee5eb90/FLAG047a30c70 [2018-10-24 21:35:30,044 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/314565362/dc9e2e3577804594a38a19eeaee5eb90 [2018-10-24 21:35:30,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 21:35:30,059 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 21:35:30,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 21:35:30,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 21:35:30,065 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 21:35:30,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:35:30" (1/1) ... [2018-10-24 21:35:30,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4621111d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:30, skipping insertion in model container [2018-10-24 21:35:30,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:35:30" (1/1) ... [2018-10-24 21:35:30,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 21:35:30,265 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 21:35:31,803 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:35:31,808 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 21:35:32,586 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 21:35:32,623 INFO L193 MainTranslator]: Completed translation [2018-10-24 21:35:32,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:32 WrapperNode [2018-10-24 21:35:32,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 21:35:32,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 21:35:32,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 21:35:32,626 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 21:35:32,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:32" (1/1) ... [2018-10-24 21:35:32,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:32" (1/1) ... [2018-10-24 21:35:33,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 21:35:33,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 21:35:33,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 21:35:33,262 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 21:35:33,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:32" (1/1) ... [2018-10-24 21:35:33,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:32" (1/1) ... [2018-10-24 21:35:33,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:32" (1/1) ... [2018-10-24 21:35:33,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:32" (1/1) ... [2018-10-24 21:35:33,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:32" (1/1) ... [2018-10-24 21:35:33,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:32" (1/1) ... [2018-10-24 21:35:33,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:32" (1/1) ... [2018-10-24 21:35:33,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 21:35:33,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 21:35:33,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 21:35:33,697 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 21:35:33,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 21:35:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 21:35:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 21:35:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 21:35:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 21:35:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 21:35:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 21:35:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 21:35:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 21:35:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 21:35:33,776 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 21:35:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 21:35:33,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 21:35:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 21:35:33,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 21:35:45,022 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 21:35:45,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:35:45 BoogieIcfgContainer [2018-10-24 21:35:45,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 21:35:45,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 21:35:45,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 21:35:45,034 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 21:35:45,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:35:30" (1/3) ... [2018-10-24 21:35:45,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0c6fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:35:45, skipping insertion in model container [2018-10-24 21:35:45,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:35:32" (2/3) ... [2018-10-24 21:35:45,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0c6fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:35:45, skipping insertion in model container [2018-10-24 21:35:45,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:35:45" (3/3) ... [2018-10-24 21:35:45,040 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem13_label53_true-unreach-call.c [2018-10-24 21:35:45,052 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 21:35:45,069 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 21:35:45,091 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 21:35:45,160 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 21:35:45,160 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 21:35:45,160 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 21:35:45,160 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 21:35:45,160 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 21:35:45,161 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 21:35:45,161 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 21:35:45,161 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 21:35:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states. [2018-10-24 21:35:45,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-24 21:35:45,234 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:35:45,235 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] [2018-10-24 21:35:45,238 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:35:45,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:35:45,245 INFO L82 PathProgramCache]: Analyzing trace with hash 403353444, now seen corresponding path program 1 times [2018-10-24 21:35:45,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:35:45,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:35:45,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:35:45,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:35:45,315 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:35:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:35:45,813 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:35:45,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:35:45,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:35:45,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 21:35:45,915 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:35:45,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 21:35:45,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 21:35:45,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:35:45,941 INFO L87 Difference]: Start difference. First operand 1120 states. Second operand 3 states. [2018-10-24 21:35:58,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:35:58,104 INFO L93 Difference]: Finished difference Result 3093 states and 5715 transitions. [2018-10-24 21:35:58,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 21:35:58,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-10-24 21:35:58,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:35:58,144 INFO L225 Difference]: With dead ends: 3093 [2018-10-24 21:35:58,144 INFO L226 Difference]: Without dead ends: 1971 [2018-10-24 21:35:58,157 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 21:35:58,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2018-10-24 21:35:58,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1957. [2018-10-24 21:35:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1957 states. [2018-10-24 21:35:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 3535 transitions. [2018-10-24 21:35:58,344 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 3535 transitions. Word has length 38 [2018-10-24 21:35:58,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:35:58,345 INFO L481 AbstractCegarLoop]: Abstraction has 1957 states and 3535 transitions. [2018-10-24 21:35:58,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 21:35:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 3535 transitions. [2018-10-24 21:35:58,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-24 21:35:58,353 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:35:58,353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:35:58,353 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:35:58,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:35:58,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1014320268, now seen corresponding path program 1 times [2018-10-24 21:35:58,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:35:58,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:35:58,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:35:58,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:35:58,356 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:35:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:35:58,684 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:35:58,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:35:58,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:35:58,685 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:35:58,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:35:58,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:35:58,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:35:58,688 INFO L87 Difference]: Start difference. First operand 1957 states and 3535 transitions. Second operand 6 states. [2018-10-24 21:36:16,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:36:16,777 INFO L93 Difference]: Finished difference Result 5627 states and 10356 transitions. [2018-10-24 21:36:16,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:36:16,778 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2018-10-24 21:36:16,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:36:16,802 INFO L225 Difference]: With dead ends: 5627 [2018-10-24 21:36:16,802 INFO L226 Difference]: Without dead ends: 3676 [2018-10-24 21:36:16,809 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:36:16,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2018-10-24 21:36:16,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3643. [2018-10-24 21:36:16,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3643 states. [2018-10-24 21:36:16,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3643 states and 5987 transitions. [2018-10-24 21:36:16,929 INFO L78 Accepts]: Start accepts. Automaton has 3643 states and 5987 transitions. Word has length 121 [2018-10-24 21:36:16,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:36:16,929 INFO L481 AbstractCegarLoop]: Abstraction has 3643 states and 5987 transitions. [2018-10-24 21:36:16,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:36:16,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 5987 transitions. [2018-10-24 21:36:16,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-24 21:36:16,942 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:36:16,943 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:36:16,943 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:36:16,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:36:16,944 INFO L82 PathProgramCache]: Analyzing trace with hash -504039204, now seen corresponding path program 1 times [2018-10-24 21:36:16,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:36:16,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:36:16,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:36:16,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:36:16,946 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:36:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:36:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:36:17,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:36:17,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 21:36:17,251 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:36:17,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 21:36:17,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 21:36:17,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 21:36:17,253 INFO L87 Difference]: Start difference. First operand 3643 states and 5987 transitions. Second operand 5 states. [2018-10-24 21:36:34,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:36:34,541 INFO L93 Difference]: Finished difference Result 10958 states and 18516 transitions. [2018-10-24 21:36:34,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 21:36:34,545 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-10-24 21:36:34,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:36:34,593 INFO L225 Difference]: With dead ends: 10958 [2018-10-24 21:36:34,593 INFO L226 Difference]: Without dead ends: 7321 [2018-10-24 21:36:34,608 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 21:36:34,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7321 states. [2018-10-24 21:36:34,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7321 to 7130. [2018-10-24 21:36:34,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7130 states. [2018-10-24 21:36:34,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7130 states to 7130 states and 10922 transitions. [2018-10-24 21:36:34,826 INFO L78 Accepts]: Start accepts. Automaton has 7130 states and 10922 transitions. Word has length 137 [2018-10-24 21:36:34,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:36:34,827 INFO L481 AbstractCegarLoop]: Abstraction has 7130 states and 10922 transitions. [2018-10-24 21:36:34,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 21:36:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 7130 states and 10922 transitions. [2018-10-24 21:36:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-24 21:36:34,831 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:36:34,831 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:36:34,832 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:36:34,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:36:34,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1493608594, now seen corresponding path program 1 times [2018-10-24 21:36:34,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:36:34,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:36:34,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:36:34,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:36:34,834 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:36:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:36:35,200 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:36:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:36:35,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:36:35,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:36:35,352 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:36:35,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:36:35,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:36:35,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:36:35,354 INFO L87 Difference]: Start difference. First operand 7130 states and 10922 transitions. Second operand 6 states. [2018-10-24 21:36:49,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:36:49,783 INFO L93 Difference]: Finished difference Result 19764 states and 31243 transitions. [2018-10-24 21:36:49,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:36:49,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-10-24 21:36:49,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:36:49,858 INFO L225 Difference]: With dead ends: 19764 [2018-10-24 21:36:49,858 INFO L226 Difference]: Without dead ends: 12640 [2018-10-24 21:36:49,897 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:36:49,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12640 states. [2018-10-24 21:36:50,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12640 to 12438. [2018-10-24 21:36:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12438 states. [2018-10-24 21:36:50,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12438 states to 12438 states and 18018 transitions. [2018-10-24 21:36:50,216 INFO L78 Accepts]: Start accepts. Automaton has 12438 states and 18018 transitions. Word has length 174 [2018-10-24 21:36:50,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:36:50,217 INFO L481 AbstractCegarLoop]: Abstraction has 12438 states and 18018 transitions. [2018-10-24 21:36:50,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:36:50,217 INFO L276 IsEmpty]: Start isEmpty. Operand 12438 states and 18018 transitions. [2018-10-24 21:36:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-24 21:36:50,225 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:36:50,225 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:36:50,225 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:36:50,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:36:50,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1047575411, now seen corresponding path program 1 times [2018-10-24 21:36:50,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:36:50,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:36:50,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:36:50,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:36:50,228 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:36:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:36:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:36:50,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:36:50,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:36:50,811 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:36:50,811 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:36:50,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:36:50,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:36:50,812 INFO L87 Difference]: Start difference. First operand 12438 states and 18018 transitions. Second operand 6 states. [2018-10-24 21:37:11,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:37:11,870 INFO L93 Difference]: Finished difference Result 42947 states and 69051 transitions. [2018-10-24 21:37:11,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 21:37:11,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 196 [2018-10-24 21:37:11,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:37:12,042 INFO L225 Difference]: With dead ends: 42947 [2018-10-24 21:37:12,042 INFO L226 Difference]: Without dead ends: 30515 [2018-10-24 21:37:12,117 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-10-24 21:37:12,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30515 states. [2018-10-24 21:37:12,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30515 to 30275. [2018-10-24 21:37:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30275 states. [2018-10-24 21:37:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30275 states to 30275 states and 43648 transitions. [2018-10-24 21:37:13,316 INFO L78 Accepts]: Start accepts. Automaton has 30275 states and 43648 transitions. Word has length 196 [2018-10-24 21:37:13,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:37:13,317 INFO L481 AbstractCegarLoop]: Abstraction has 30275 states and 43648 transitions. [2018-10-24 21:37:13,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:37:13,317 INFO L276 IsEmpty]: Start isEmpty. Operand 30275 states and 43648 transitions. [2018-10-24 21:37:13,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-24 21:37:13,325 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:37:13,325 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 21:37:13,326 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:37:13,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:37:13,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1056237497, now seen corresponding path program 1 times [2018-10-24 21:37:13,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:37:13,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:13,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:37:13,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:13,329 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:37:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:37:13,659 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 21:37:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 21:37:13,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 21:37:13,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 21:37:13,887 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:37:13,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 21:37:13,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 21:37:13,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 21:37:13,888 INFO L87 Difference]: Start difference. First operand 30275 states and 43648 transitions. Second operand 6 states. [2018-10-24 21:37:29,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 21:37:29,131 INFO L93 Difference]: Finished difference Result 73780 states and 115017 transitions. [2018-10-24 21:37:29,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 21:37:29,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2018-10-24 21:37:29,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 21:37:29,377 INFO L225 Difference]: With dead ends: 73780 [2018-10-24 21:37:29,377 INFO L226 Difference]: Without dead ends: 43511 [2018-10-24 21:37:29,491 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 21:37:29,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43511 states. [2018-10-24 21:37:30,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43511 to 43196. [2018-10-24 21:37:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43196 states. [2018-10-24 21:37:30,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43196 states to 43196 states and 60903 transitions. [2018-10-24 21:37:30,747 INFO L78 Accepts]: Start accepts. Automaton has 43196 states and 60903 transitions. Word has length 219 [2018-10-24 21:37:30,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 21:37:30,749 INFO L481 AbstractCegarLoop]: Abstraction has 43196 states and 60903 transitions. [2018-10-24 21:37:30,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 21:37:30,750 INFO L276 IsEmpty]: Start isEmpty. Operand 43196 states and 60903 transitions. [2018-10-24 21:37:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-24 21:37:30,766 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 21:37:30,767 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-10-24 21:37:30,767 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 21:37:30,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:37:30,768 INFO L82 PathProgramCache]: Analyzing trace with hash 342183432, now seen corresponding path program 1 times [2018-10-24 21:37:30,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 21:37:30,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:30,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 21:37:30,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 21:37:30,774 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 21:37:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 21:37:31,166 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 62 proven. 94 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 21:37:31,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 21:37:31,168 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 21:37:31,170 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-10-24 21:37:31,174 INFO L202 CegarAbsIntRunner]: [0], [1], [2628], [2635], [2643], [2651], [2659], [2667], [2675], [2683], [2691], [2699], [2707], [2715], [2723], [2731], [2739], [2747], [2755], [2763], [2771], [2779], [2787], [2795], [2803], [2811], [2819], [2827], [2831], [2833], [2836], [2844], [2852], [2860], [2868], [2876], [2884], [2892], [2900], [2908], [2916], [2924], [2932], [2940], [2948], [2956], [2964], [2972], [2980], [2988], [2996], [3004], [3012], [3020], [3028], [3036], [3044], [3052], [3060], [3068], [3076], [3084], [3092], [3100], [3108], [3116], [3121], [3125], [3129], [3133], [3137], [3148], [3152], [3156], [3160], [3164], [3168], [3179], [3183], [3187], [3191], [3195], [3199], [3203], [3207], [3218], [3222], [3226], [3230], [3234], [3238], [3242], [3246], [3250], [3254], [3257], [3258], [3262], [3266], [3270], [3274], [3278], [3282], [3285], [4238], [4242], [4246], [4252], [4256], [4258], [4269], [4270], [4271], [4273], [4274] [2018-10-24 21:37:31,287 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 21:37:31,287 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 21:37:36,871 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 21:37:37,301 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 21:37:37,303 INFO L272 AbstractInterpreter]: Visited 111 different actions 111 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 21:37:37,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 21:37:37,313 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 21:37:42,001 INFO L232 lantSequenceWeakener]: Weakened 222 states. On average, predicates are now at 71.44% of their original sizes. [2018-10-24 21:37:42,001 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 21:37:43,730 INFO L413 sIntCurrentIteration]: We have 242 unified AI predicates [2018-10-24 21:37:43,730 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 21:37:43,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 21:37:43,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2018-10-24 21:37:43,732 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 21:37:43,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-24 21:37:43,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-24 21:37:43,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-10-24 21:37:43,733 INFO L87 Difference]: Start difference. First operand 43196 states and 60903 transitions. Second operand 11 states. Received shutdown request... [2018-10-24 21:39:17,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-24 21:39:17,319 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 21:39:17,326 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 21:39:17,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:39:17 BoogieIcfgContainer [2018-10-24 21:39:17,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 21:39:17,328 INFO L168 Benchmark]: Toolchain (without parser) took 227270.43 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.7 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -729.0 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-10-24 21:39:17,330 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 21:39:17,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2564.43 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: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. [2018-10-24 21:39:17,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 636.18 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 824.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2018-10-24 21:39:17,332 INFO L168 Benchmark]: Boogie Preprocessor took 435.06 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2018-10-24 21:39:17,333 INFO L168 Benchmark]: RCFGBuilder took 11330.57 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 188.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 17.3 MB). Peak memory consumption was 666.3 MB. Max. memory is 7.1 GB. [2018-10-24 21:39:17,334 INFO L168 Benchmark]: TraceAbstraction took 212298.81 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 60.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-24 21:39:17,339 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2564.43 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: 253.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 636.18 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 824.2 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 435.06 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11330.57 ms. Allocated memory was 2.4 GB in the beginning and 2.5 GB in the end (delta: 188.7 MB). Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 17.3 MB). Peak memory consumption was 666.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 212298.81 ms. Allocated memory was 2.5 GB in the beginning and 4.2 GB in the end (delta: 1.7 GB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 60.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 105). Cancelled while BasicCegarLoop was constructing difference of abstraction (43196states) and FLOYD_HOARE automaton (currently 10 states, 11 states before enhancement),while ReachableStatesComputation was computing reachable states (6584 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 1120 locations, 1 error locations. TIMEOUT Result, 212.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 192.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2836 SDtfs, 24257 SDslu, 3061 SDs, 0 SdLazy, 34106 SolverSat, 9212 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 144.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 302 GetRequests, 248 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43196occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9959949141767322 AbsIntWeakeningRatio, 0.1115702479338843 AbsIntAvgWeakeningVarsNumRemoved, 35.896694214876035 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 995 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1128 NumberOfCodeBlocks, 1128 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1121 ConstructedInterpolants, 0 QuantifiedInterpolants, 922593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 222/316 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown