/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:22:45,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:22:45,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:22:45,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:22:45,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:22:45,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:22:45,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:22:45,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:22:45,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:22:45,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:22:45,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:22:45,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:22:45,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:22:45,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:22:45,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:22:45,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:22:45,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:22:45,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:22:45,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:22:45,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:22:45,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:22:45,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:22:45,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:22:45,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:22:45,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 05:22:45,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 05:22:45,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 05:22:45,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 05:22:45,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 05:22:45,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 05:22:45,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:22:45,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:22:45,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:22:45,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:22:45,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:22:45,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:22:45,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:22:45,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:22:45,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:22:45,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:22:45,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:22:45,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 05:22:46,004 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:22:46,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:22:46,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:22:46,005 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:22:46,005 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:22:46,006 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:22:46,006 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:22:46,006 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:22:46,006 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:22:46,006 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:22:46,007 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:22:46,007 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:22:46,007 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:22:46,007 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:22:46,008 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:22:46,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:22:46,009 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:22:46,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:22:46,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:22:46,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:22:46,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:22:46,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:22:46,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:22:46,012 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:22:46,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:22:46,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:22:46,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:22:46,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:22:46,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:22:46,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:22:46,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:22:46,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:22:46,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:22:46,014 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:22:46,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:22:46,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:22:46,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:22:46,016 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:22:46,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:22:46,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:22:46,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:22:46,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:22:46,336 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:22:46,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c [2019-11-24 05:22:46,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b402b597a/63e07ecc9b33452bbf9fdf1824ca899f/FLAGd6b6909d7 [2019-11-24 05:22:46,924 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:22:46,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c [2019-11-24 05:22:46,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b402b597a/63e07ecc9b33452bbf9fdf1824ca899f/FLAGd6b6909d7 [2019-11-24 05:22:47,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b402b597a/63e07ecc9b33452bbf9fdf1824ca899f [2019-11-24 05:22:47,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:22:47,244 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:22:47,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:22:47,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:22:47,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:22:47,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:22:47" (1/1) ... [2019-11-24 05:22:47,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b864978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47, skipping insertion in model container [2019-11-24 05:22:47,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:22:47" (1/1) ... [2019-11-24 05:22:47,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:22:47,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:22:47,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:22:47,755 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:22:47,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:22:47,892 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:22:47,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47 WrapperNode [2019-11-24 05:22:47,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:22:47,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:22:47,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:22:47,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:22:47,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47" (1/1) ... [2019-11-24 05:22:47,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47" (1/1) ... [2019-11-24 05:22:47,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:22:47,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:22:47,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:22:47,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:22:47,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47" (1/1) ... [2019-11-24 05:22:47,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47" (1/1) ... [2019-11-24 05:22:48,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47" (1/1) ... [2019-11-24 05:22:48,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47" (1/1) ... [2019-11-24 05:22:48,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47" (1/1) ... [2019-11-24 05:22:48,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47" (1/1) ... [2019-11-24 05:22:48,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47" (1/1) ... [2019-11-24 05:22:48,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:22:48,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:22:48,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:22:48,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:22:48,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47" (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 [2019-11-24 05:22:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:22:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:22:48,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:22:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:22:50,256 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:22:50,256 INFO L284 CfgBuilder]: Removed 164 assume(true) statements. [2019-11-24 05:22:50,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:22:50 BoogieIcfgContainer [2019-11-24 05:22:50,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:22:50,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:22:50,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:22:50,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:22:50,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:22:47" (1/3) ... [2019-11-24 05:22:50,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6296280a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:22:50, skipping insertion in model container [2019-11-24 05:22:50,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:22:47" (2/3) ... [2019-11-24 05:22:50,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6296280a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:22:50, skipping insertion in model container [2019-11-24 05:22:50,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:22:50" (3/3) ... [2019-11-24 05:22:50,266 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2019-11-24 05:22:50,276 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:22:50,284 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:22:50,297 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:22:50,325 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:22:50,325 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:22:50,325 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:22:50,325 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:22:50,326 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:22:50,326 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:22:50,326 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:22:50,326 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:22:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-24 05:22:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:22:50,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:22:50,351 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:22:50,351 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:22:50,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:22:50,358 INFO L82 PathProgramCache]: Analyzing trace with hash -730259970, now seen corresponding path program 1 times [2019-11-24 05:22:50,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:22:50,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922868520] [2019-11-24 05:22:50,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:22:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:22:50,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:22:50,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922868520] [2019-11-24 05:22:50,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:22:50,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:22:50,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073404248] [2019-11-24 05:22:50,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:22:50,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:22:50,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:22:50,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:22:50,735 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-11-24 05:22:50,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:22:50,829 INFO L93 Difference]: Finished difference Result 68 states and 105 transitions. [2019-11-24 05:22:50,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:22:50,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 05:22:50,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:22:50,843 INFO L225 Difference]: With dead ends: 68 [2019-11-24 05:22:50,843 INFO L226 Difference]: Without dead ends: 40 [2019-11-24 05:22:50,846 INFO L630 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 [2019-11-24 05:22:50,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-24 05:22:50,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-24 05:22:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-24 05:22:50,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2019-11-24 05:22:50,901 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 8 [2019-11-24 05:22:50,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:22:50,902 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2019-11-24 05:22:50,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:22:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2019-11-24 05:22:50,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-24 05:22:50,905 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:22:50,905 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-24 05:22:50,905 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:22:50,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:22:50,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1808161746, now seen corresponding path program 1 times [2019-11-24 05:22:50,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:22:50,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623097868] [2019-11-24 05:22:50,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:22:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:22:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:22:51,404 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623097868] [2019-11-24 05:22:51,405 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784112212] [2019-11-24 05:22:51,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:22:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:22:51,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 33 conjunts are in the unsatisfiable core [2019-11-24 05:22:51,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:22:51,664 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:51,674 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:51,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:51,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:51,688 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:51,927 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2019-11-24 05:22:52,207 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,209 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,214 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,234 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,243 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,251 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:22:52,299 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:22:52,310 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,316 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,317 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,319 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,320 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,322 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,327 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,328 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,330 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,337 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,343 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,344 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,378 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,382 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,384 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,386 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,391 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,393 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,398 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,406 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,413 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,414 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,418 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,421 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,422 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,423 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,424 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,426 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,429 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,432 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,436 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,437 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,440 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,441 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,443 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,446 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,450 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,452 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,454 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,457 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,458 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,460 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,463 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,642 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 29 [2019-11-24 05:22:52,801 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,807 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,813 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,815 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,817 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,822 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,824 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-24 05:22:52,826 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,828 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,831 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,835 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,836 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,851 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,860 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,861 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,877 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 05:22:52,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,885 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 05:22:52,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,897 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,899 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,902 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-24 05:22:52,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,907 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,908 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,910 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:52,911 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-24 05:22:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:22:53,021 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [871465914] [2019-11-24 05:22:53,072 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-24 05:22:53,072 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 05:22:53,078 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 05:22:53,084 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 05:22:53,085 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 05:23:02,134 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 478 [2019-11-24 05:23:03,728 WARN L192 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-24 05:23:03,871 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2019-11-24 05:23:04,755 WARN L192 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 612 [2019-11-24 05:23:05,695 WARN L192 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 707 [2019-11-24 05:23:09,253 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 05:23:13,996 WARN L192 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 486 DAG size of output: 431 [2019-11-24 05:23:42,061 WARN L192 SmtUtils]: Spent 27.67 s on a formula simplification. DAG size of input: 707 DAG size of output: 506