java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-sorted_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 03:42:28,845 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 03:42:28,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 03:42:28,861 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 03:42:28,861 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 03:42:28,862 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 03:42:28,863 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 03:42:28,865 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 03:42:28,867 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 03:42:28,868 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 03:42:28,869 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 03:42:28,869 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 03:42:28,871 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 03:42:28,872 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 03:42:28,873 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 03:42:28,876 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 03:42:28,878 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 03:42:28,880 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 03:42:28,882 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 03:42:28,883 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 03:42:28,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 03:42:28,891 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 03:42:28,891 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 03:42:28,892 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_mostprecise.epf [2018-01-21 03:42:28,902 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 03:42:28,903 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 03:42:28,904 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 03:42:28,904 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 03:42:28,904 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 03:42:28,904 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 03:42:28,904 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 03:42:28,905 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 03:42:28,905 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 03:42:28,906 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 03:42:28,906 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 03:42:28,906 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 03:42:28,906 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 03:42:28,906 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 03:42:28,907 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 03:42:28,907 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 03:42:28,907 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 03:42:28,907 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 03:42:28,907 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 03:42:28,907 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 03:42:28,908 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 03:42:28,908 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 03:42:28,908 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 03:42:28,908 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 03:42:28,908 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 03:42:28,909 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 03:42:28,909 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 03:42:28,909 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 03:42:28,909 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 03:42:28,909 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 03:42:28,910 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 03:42:28,910 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 03:42:28,910 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 03:42:28,910 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 03:42:28,910 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 03:42:28,910 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 03:42:28,911 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 03:42:28,911 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 03:42:28,912 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 03:42:28,912 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 03:42:29,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 03:42:29,026 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 03:42:29,030 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 03:42:29,032 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 03:42:29,032 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 03:42:29,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-sorted_true-unreach-call_true-valid-memsafety.i [2018-01-21 03:42:29,217 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 03:42:29,222 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 03:42:29,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 03:42:29,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 03:42:29,229 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 03:42:29,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 03:42:29" (1/1) ... [2018-01-21 03:42:29,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b942210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:42:29, skipping insertion in model container [2018-01-21 03:42:29,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 03:42:29" (1/1) ... [2018-01-21 03:42:29,245 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 03:42:29,285 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 03:42:29,413 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 03:42:29,441 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 03:42:29,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:42:29 WrapperNode [2018-01-21 03:42:29,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 03:42:29,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 03:42:29,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 03:42:29,453 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 03:42:29,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:42:29" (1/1) ... [2018-01-21 03:42:29,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:42:29" (1/1) ... [2018-01-21 03:42:29,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:42:29" (1/1) ... [2018-01-21 03:42:29,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:42:29" (1/1) ... [2018-01-21 03:42:29,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:42:29" (1/1) ... [2018-01-21 03:42:29,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:42:29" (1/1) ... [2018-01-21 03:42:29,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:42:29" (1/1) ... [2018-01-21 03:42:29,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 03:42:29,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 03:42:29,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 03:42:29,491 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 03:42:29,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:42:29" (1/1) ... No working directory specified, using /storage/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 [2018-01-21 03:42:29,542 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 03:42:29,543 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 03:42:29,543 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 03:42:29,543 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 03:42:29,543 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 03:42:29,543 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 03:42:29,543 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 03:42:29,543 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 03:42:29,544 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 03:42:29,544 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 03:42:29,544 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 03:42:29,544 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 03:42:29,544 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 03:42:29,544 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-21 03:42:29,545 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 03:42:29,545 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 03:42:29,545 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 03:42:29,983 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 03:42:29,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 03:42:29 BoogieIcfgContainer [2018-01-21 03:42:29,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 03:42:29,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 03:42:29,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 03:42:29,988 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 03:42:29,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 03:42:29" (1/3) ... [2018-01-21 03:42:29,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cccc710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 03:42:29, skipping insertion in model container [2018-01-21 03:42:29,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:42:29" (2/3) ... [2018-01-21 03:42:29,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cccc710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 03:42:29, skipping insertion in model container [2018-01-21 03:42:29,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 03:42:29" (3/3) ... [2018-01-21 03:42:29,991 INFO L105 eAbstractionObserver]: Analyzing ICFG dll-sorted_true-unreach-call_true-valid-memsafety.i [2018-01-21 03:42:30,001 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 03:42:30,010 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-21 03:42:30,064 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:42:30,064 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:42:30,065 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:42:30,065 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:42:30,065 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:42:30,065 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:42:30,065 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:42:30,066 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 03:42:30,067 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:42:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2018-01-21 03:42:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 03:42:30,095 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:42:30,097 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 03:42:30,097 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 03:42:30,101 INFO L82 PathProgramCache]: Analyzing trace with hash 319525, now seen corresponding path program 1 times [2018-01-21 03:42:30,103 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:42:30,145 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:42:30,145 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:42:30,146 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:42:30,146 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:42:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:42:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:42:30,201 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 03:42:30,209 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:42:30,217 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:42:30,217 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:42:30,217 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:42:30,217 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:42:30,217 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:42:30,218 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:42:30,218 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:42:30,218 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 03:42:30,218 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:42:30,222 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2018-01-21 03:42:30,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-21 03:42:30,226 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:42:30,226 INFO L322 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] [2018-01-21 03:42:30,226 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 03:42:30,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1191137443, now seen corresponding path program 1 times [2018-01-21 03:42:30,227 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:42:30,228 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:42:30,228 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:42:30,229 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:42:30,229 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:42:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:42:30,268 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:42:30,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:42:30,400 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:42:30,400 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:42:30,400 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:42:30,403 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 03:42:30,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 03:42:30,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:42:30,422 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2018-01-21 03:42:30,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:42:30,447 INFO L93 Difference]: Finished difference Result 198 states and 264 transitions. [2018-01-21 03:42:30,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 03:42:30,448 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 34 [2018-01-21 03:42:30,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:42:30,458 INFO L225 Difference]: With dead ends: 198 [2018-01-21 03:42:30,458 INFO L226 Difference]: Without dead ends: 110 [2018-01-21 03:42:30,461 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:42:30,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-01-21 03:42:30,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-01-21 03:42:30,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-01-21 03:42:30,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 121 transitions. [2018-01-21 03:42:30,496 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 121 transitions. Word has length 34 [2018-01-21 03:42:30,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:42:30,496 INFO L432 AbstractCegarLoop]: Abstraction has 110 states and 121 transitions. [2018-01-21 03:42:30,496 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 03:42:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 121 transitions. [2018-01-21 03:42:30,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-01-21 03:42:30,498 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:42:30,498 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:42:30,498 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 03:42:30,498 INFO L82 PathProgramCache]: Analyzing trace with hash -833133189, now seen corresponding path program 1 times [2018-01-21 03:42:30,498 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:42:30,499 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:42:30,499 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:42:30,499 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:42:30,500 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:42:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:42:30,527 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:42:30,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 03:42:30,584 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:42:30,585 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-21 03:42:30,585 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:42:30,587 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:42:30,587 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:42:30,587 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:42:30,588 INFO L87 Difference]: Start difference. First operand 110 states and 121 transitions. Second operand 3 states. [2018-01-21 03:42:30,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:42:30,660 INFO L93 Difference]: Finished difference Result 236 states and 263 transitions. [2018-01-21 03:42:30,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:42:30,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2018-01-21 03:42:30,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:42:30,664 INFO L225 Difference]: With dead ends: 236 [2018-01-21 03:42:30,665 INFO L226 Difference]: Without dead ends: 137 [2018-01-21 03:42:30,666 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:42:30,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-01-21 03:42:30,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 124. [2018-01-21 03:42:30,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-01-21 03:42:30,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 136 transitions. [2018-01-21 03:42:30,674 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 136 transitions. Word has length 51 [2018-01-21 03:42:30,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:42:30,674 INFO L432 AbstractCegarLoop]: Abstraction has 124 states and 136 transitions. [2018-01-21 03:42:30,675 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:42:30,675 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 136 transitions. [2018-01-21 03:42:30,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-01-21 03:42:30,676 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:42:30,677 INFO L322 BasicCegarLoop]: trace histogram [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] [2018-01-21 03:42:30,677 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 03:42:30,677 INFO L82 PathProgramCache]: Analyzing trace with hash -487006783, now seen corresponding path program 1 times [2018-01-21 03:42:30,677 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:42:30,678 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:42:30,678 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:42:30,678 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:42:30,678 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:42:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:42:30,724 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:42:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-01-21 03:42:30,872 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:42:30,873 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-21 03:42:30,873 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:42:30,873 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-21 03:42:30,873 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-21 03:42:30,873 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-21 03:42:30,874 INFO L87 Difference]: Start difference. First operand 124 states and 136 transitions. Second operand 6 states. [2018-01-21 03:42:31,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:42:31,130 INFO L93 Difference]: Finished difference Result 248 states and 273 transitions. [2018-01-21 03:42:31,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-21 03:42:31,130 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-01-21 03:42:31,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:42:31,133 INFO L225 Difference]: With dead ends: 248 [2018-01-21 03:42:31,134 INFO L226 Difference]: Without dead ends: 207 [2018-01-21 03:42:31,135 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-01-21 03:42:31,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-01-21 03:42:31,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 134. [2018-01-21 03:42:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-01-21 03:42:31,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 147 transitions. [2018-01-21 03:42:31,146 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 147 transitions. Word has length 66 [2018-01-21 03:42:31,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:42:31,147 INFO L432 AbstractCegarLoop]: Abstraction has 134 states and 147 transitions. [2018-01-21 03:42:31,147 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-21 03:42:31,147 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 147 transitions. [2018-01-21 03:42:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-01-21 03:42:31,150 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:42:31,150 INFO L322 BasicCegarLoop]: trace histogram [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] [2018-01-21 03:42:31,150 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 03:42:31,151 INFO L82 PathProgramCache]: Analyzing trace with hash 548520625, now seen corresponding path program 1 times [2018-01-21 03:42:31,151 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:42:31,152 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:42:31,152 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:42:31,152 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:42:31,152 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:42:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:42:31,183 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:42:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-01-21 03:42:31,336 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:42:31,336 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 03:42:31,336 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:42:31,337 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 03:42:31,337 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 03:42:31,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-01-21 03:42:31,337 INFO L87 Difference]: Start difference. First operand 134 states and 147 transitions. Second operand 7 states. [2018-01-21 03:42:31,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:42:31,591 INFO L93 Difference]: Finished difference Result 229 states and 253 transitions. [2018-01-21 03:42:31,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-21 03:42:31,591 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2018-01-21 03:42:31,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:42:31,593 INFO L225 Difference]: With dead ends: 229 [2018-01-21 03:42:31,593 INFO L226 Difference]: Without dead ends: 151 [2018-01-21 03:42:31,594 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-01-21 03:42:31,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-01-21 03:42:31,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 140. [2018-01-21 03:42:31,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-01-21 03:42:31,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 154 transitions. [2018-01-21 03:42:31,606 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 154 transitions. Word has length 86 [2018-01-21 03:42:31,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:42:31,607 INFO L432 AbstractCegarLoop]: Abstraction has 140 states and 154 transitions. [2018-01-21 03:42:31,607 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 03:42:31,607 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 154 transitions. [2018-01-21 03:42:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-01-21 03:42:31,609 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:42:31,609 INFO L322 BasicCegarLoop]: trace histogram [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] [2018-01-21 03:42:31,610 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-21 03:42:31,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1500867217, now seen corresponding path program 1 times [2018-01-21 03:42:31,611 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:42:31,612 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:42:31,612 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:42:31,612 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:42:31,613 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:42:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:42:31,644 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:42:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-01-21 03:42:31,794 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 03:42:31,794 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 03:42:31,795 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 87 with the following transitions: [2018-01-21 03:42:31,797 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [5], [9], [11], [14], [16], [17], [18], [19], [20], [21], [22], [23], [24], [25], [28], [34], [35], [43], [47], [52], [56], [62], [66], [68], [69], [77], [81], [91], [93], [94], [99], [103], [130], [131], [132], [133], [134], [135], [138], [139], [150], [154], [156], [159], [160], [161], [167], [215], [219], [221], [222], [223], [227], [228], [233], [237], [245], [250], [254], [260], [261], [265], [269], [273], [275], [276], [277], [278], [282], [283], [285], [286], [291], [292], [293], [294], [295] [2018-01-21 03:42:31,856 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 03:42:31,856 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown