java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-09 06:10:14,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-09 06:10:14,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-09 06:10:14,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-09 06:10:14,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-09 06:10:14,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-09 06:10:14,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-09 06:10:14,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-09 06:10:14,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-09 06:10:14,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-09 06:10:14,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-09 06:10:14,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-09 06:10:14,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-09 06:10:14,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-09 06:10:14,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-09 06:10:14,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-09 06:10:14,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-09 06:10:14,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-09 06:10:14,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-09 06:10:14,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-09 06:10:14,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-09 06:10:14,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-09 06:10:14,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-09 06:10:14,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-09 06:10:14,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-09 06:10:14,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-09 06:10:14,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-09 06:10:14,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-09 06:10:14,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-09 06:10:14,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-09 06:10:14,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-09 06:10:14,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-09 06:10:14,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-09 06:10:14,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-09 06:10:14,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-09 06:10:14,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-09 06:10:14,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-09 06:10:15,006 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-09 06:10:15,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-09 06:10:15,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-09 06:10:15,007 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-09 06:10:15,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-09 06:10:15,008 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-09 06:10:15,008 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-09 06:10:15,009 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-09 06:10:15,009 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-09 06:10:15,009 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-09 06:10:15,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-09 06:10:15,010 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-09 06:10:15,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-09 06:10:15,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-09 06:10:15,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-09 06:10:15,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-09 06:10:15,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-09 06:10:15,011 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-09 06:10:15,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-09 06:10:15,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-09 06:10:15,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-09 06:10:15,012 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-09 06:10:15,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-09 06:10:15,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 06:10:15,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-09 06:10:15,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-09 06:10:15,013 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-09 06:10:15,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-09 06:10:15,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-09 06:10:15,014 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-09 06:10:15,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-09 06:10:15,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-09 06:10:15,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-09 06:10:15,060 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-09 06:10:15,061 INFO L275 PluginConnector]: CDTParser initialized [2019-09-09 06:10:15,061 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2019-09-09 06:10:15,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3fdad79/a2987fb794d34aecaf2c6d485f6e5c94/FLAG7ab99d322 [2019-09-09 06:10:15,667 INFO L306 CDTParser]: Found 1 translation units. [2019-09-09 06:10:15,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2019-09-09 06:10:15,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3fdad79/a2987fb794d34aecaf2c6d485f6e5c94/FLAG7ab99d322 [2019-09-09 06:10:15,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3fdad79/a2987fb794d34aecaf2c6d485f6e5c94 [2019-09-09 06:10:15,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-09 06:10:15,969 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-09 06:10:15,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-09 06:10:15,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-09 06:10:15,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-09 06:10:15,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 06:10:15" (1/1) ... [2019-09-09 06:10:15,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f89b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 06:10:15, skipping insertion in model container [2019-09-09 06:10:15,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.09 06:10:15" (1/1) ... [2019-09-09 06:10:15,986 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-09 06:10:16,039 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-09 06:10:16,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 06:10:16,587 INFO L188 MainTranslator]: Completed pre-run [2019-09-09 06:10:16,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-09 06:10:16,712 INFO L192 MainTranslator]: Completed translation [2019-09-09 06:10:16,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 06:10:16 WrapperNode [2019-09-09 06:10:16,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-09 06:10:16,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-09 06:10:16,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-09 06:10:16,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-09 06:10:16,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 06:10:16" (1/1) ... [2019-09-09 06:10:16,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 06:10:16" (1/1) ... [2019-09-09 06:10:16,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 06:10:16" (1/1) ... [2019-09-09 06:10:16,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 06:10:16" (1/1) ... [2019-09-09 06:10:16,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 06:10:16" (1/1) ... [2019-09-09 06:10:16,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 06:10:16" (1/1) ... [2019-09-09 06:10:16,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 06:10:16" (1/1) ... [2019-09-09 06:10:16,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-09 06:10:16,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-09 06:10:16,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-09 06:10:16,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-09 06:10:16,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 06:10:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-09 06:10:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-09 06:10:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-09 06:10:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-09 06:10:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-09 06:10:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-09 06:10:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-09 06:10:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-09 06:10:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-09 06:10:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-09 06:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-09 06:10:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-09 06:10:18,142 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-09 06:10:18,142 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-09 06:10:18,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 06:10:18 BoogieIcfgContainer [2019-09-09 06:10:18,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-09 06:10:18,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-09 06:10:18,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-09 06:10:18,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-09 06:10:18,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.09 06:10:15" (1/3) ... [2019-09-09 06:10:18,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606815c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 06:10:18, skipping insertion in model container [2019-09-09 06:10:18,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.09 06:10:16" (2/3) ... [2019-09-09 06:10:18,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606815c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.09 06:10:18, skipping insertion in model container [2019-09-09 06:10:18,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.09 06:10:18" (3/3) ... [2019-09-09 06:10:18,163 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2019-09-09 06:10:18,174 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-09 06:10:18,184 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-09 06:10:18,202 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-09 06:10:18,230 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-09 06:10:18,230 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-09 06:10:18,230 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-09 06:10:18,230 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-09 06:10:18,231 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-09 06:10:18,231 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-09 06:10:18,231 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-09 06:10:18,231 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-09 06:10:18,253 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-09-09 06:10:18,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-09 06:10:18,268 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 06:10:18,269 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-09 06:10:18,271 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 06:10:18,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 06:10:18,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1414431897, now seen corresponding path program 1 times [2019-09-09 06:10:18,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 06:10:18,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 06:10:18,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 06:10:18,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 06:10:18,324 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 06:10:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 06:10:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 06:10:18,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 06:10:18,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-09 06:10:18,802 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 06:10:18,811 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-09 06:10:18,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-09 06:10:18,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 06:10:18,833 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2019-09-09 06:10:19,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 06:10:19,746 INFO L93 Difference]: Finished difference Result 346 states and 487 transitions. [2019-09-09 06:10:19,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-09 06:10:19,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2019-09-09 06:10:19,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 06:10:19,780 INFO L225 Difference]: With dead ends: 346 [2019-09-09 06:10:19,781 INFO L226 Difference]: Without dead ends: 278 [2019-09-09 06:10:19,784 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-09 06:10:19,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-09-09 06:10:19,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-09-09 06:10:19,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-09-09 06:10:19,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2019-09-09 06:10:19,902 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 109 [2019-09-09 06:10:19,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 06:10:19,904 INFO L475 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2019-09-09 06:10:19,904 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-09 06:10:19,904 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2019-09-09 06:10:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-09-09 06:10:19,912 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 06:10:19,912 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-09 06:10:19,913 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 06:10:19,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 06:10:19,915 INFO L82 PathProgramCache]: Analyzing trace with hash -609512656, now seen corresponding path program 1 times [2019-09-09 06:10:19,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 06:10:19,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 06:10:19,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 06:10:19,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 06:10:19,918 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 06:10:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 06:10:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 06:10:20,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 06:10:20,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-09 06:10:20,075 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 06:10:20,077 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-09 06:10:20,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-09 06:10:20,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-09 06:10:20,078 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 6 states. [2019-09-09 06:10:20,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 06:10:20,904 INFO L93 Difference]: Finished difference Result 568 states and 814 transitions. [2019-09-09 06:10:20,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-09 06:10:20,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2019-09-09 06:10:20,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 06:10:20,912 INFO L225 Difference]: With dead ends: 568 [2019-09-09 06:10:20,913 INFO L226 Difference]: Without dead ends: 568 [2019-09-09 06:10:20,913 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-09 06:10:20,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2019-09-09 06:10:20,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2019-09-09 06:10:20,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2019-09-09 06:10:20,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions. [2019-09-09 06:10:20,959 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 119 [2019-09-09 06:10:20,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 06:10:20,960 INFO L475 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions. [2019-09-09 06:10:20,960 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-09 06:10:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions. [2019-09-09 06:10:20,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-09-09 06:10:20,964 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 06:10:20,964 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-09 06:10:20,964 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 06:10:20,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 06:10:20,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1252784430, now seen corresponding path program 1 times [2019-09-09 06:10:20,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 06:10:20,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 06:10:20,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 06:10:20,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 06:10:20,967 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 06:10:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 06:10:21,308 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 06:10:21,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 06:10:21,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-09 06:10:21,310 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 06:10:21,313 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-09 06:10:21,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-09 06:10:21,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-09 06:10:21,314 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 5 states. [2019-09-09 06:10:22,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 06:10:22,059 INFO L93 Difference]: Finished difference Result 655 states and 886 transitions. [2019-09-09 06:10:22,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-09 06:10:22,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2019-09-09 06:10:22,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 06:10:22,065 INFO L225 Difference]: With dead ends: 655 [2019-09-09 06:10:22,065 INFO L226 Difference]: Without dead ends: 554 [2019-09-09 06:10:22,066 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-09 06:10:22,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2019-09-09 06:10:22,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2019-09-09 06:10:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2019-09-09 06:10:22,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 712 transitions. [2019-09-09 06:10:22,099 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 712 transitions. Word has length 120 [2019-09-09 06:10:22,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 06:10:22,107 INFO L475 AbstractCegarLoop]: Abstraction has 554 states and 712 transitions. [2019-09-09 06:10:22,108 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-09 06:10:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 712 transitions. [2019-09-09 06:10:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-09-09 06:10:22,112 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 06:10:22,112 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-09 06:10:22,113 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 06:10:22,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 06:10:22,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1557577546, now seen corresponding path program 1 times [2019-09-09 06:10:22,113 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 06:10:22,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 06:10:22,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 06:10:22,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 06:10:22,115 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 06:10:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 06:10:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-09 06:10:22,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-09 06:10:22,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-09 06:10:22,276 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-09 06:10:22,277 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-09 06:10:22,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-09 06:10:22,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-09 06:10:22,278 INFO L87 Difference]: Start difference. First operand 554 states and 712 transitions. Second operand 4 states. [2019-09-09 06:10:23,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-09 06:10:23,092 INFO L93 Difference]: Finished difference Result 824 states and 1027 transitions. [2019-09-09 06:10:23,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-09 06:10:23,093 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2019-09-09 06:10:23,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-09 06:10:23,097 INFO L225 Difference]: With dead ends: 824 [2019-09-09 06:10:23,097 INFO L226 Difference]: Without dead ends: 824 [2019-09-09 06:10:23,098 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-09 06:10:23,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2019-09-09 06:10:23,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 824. [2019-09-09 06:10:23,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2019-09-09 06:10:23,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1027 transitions. [2019-09-09 06:10:23,119 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1027 transitions. Word has length 124 [2019-09-09 06:10:23,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-09 06:10:23,120 INFO L475 AbstractCegarLoop]: Abstraction has 824 states and 1027 transitions. [2019-09-09 06:10:23,120 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-09 06:10:23,120 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1027 transitions. [2019-09-09 06:10:23,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-09-09 06:10:23,123 INFO L391 BasicCegarLoop]: Found error trace [2019-09-09 06:10:23,124 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-09 06:10:23,124 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-09 06:10:23,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-09 06:10:23,125 INFO L82 PathProgramCache]: Analyzing trace with hash -323555598, now seen corresponding path program 1 times [2019-09-09 06:10:23,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-09 06:10:23,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 06:10:23,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-09 06:10:23,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-09 06:10:23,126 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-09 06:10:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-09 06:10:23,241 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-09 06:10:23,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-09 06:10:23,242 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-09 06:10:23,243 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2019-09-09 06:10:23,245 INFO L207 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2019-09-09 06:10:23,293 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-09 06:10:23,293 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)