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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:43:57,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:43:57,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:43:57,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:43:57,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:43:57,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:43:57,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:43:57,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:43:57,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:43:57,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:43:57,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:43:57,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:43:57,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:43:57,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:43:57,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:43:57,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:43:57,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:43:57,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:43:57,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:43:57,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:43:57,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:43:57,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:43:57,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:43:57,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:43:57,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:43:57,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:43:57,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:43:57,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:43:57,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:43:57,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:43:57,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:43:57,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:43:57,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:43:57,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:43:57,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:43:57,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:43:57,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:43:57,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:43:57,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:43:57,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:43:57,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:43:57,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:43:57,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:43:57,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:43:57,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:43:57,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:43:57,282 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:43:57,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:43:57,283 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:43:57,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:43:57,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:43:57,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:43:57,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:43:57,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:43:57,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:43:57,285 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:43:57,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:43:57,285 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:43:57,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:43:57,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:43:57,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:43:57,286 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:43:57,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:43:57,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:43:57,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:43:57,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:43:57,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:43:57,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:43:57,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:43:57,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:43:57,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 01:43:57,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:43:57,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:43:57,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:43:57,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:43:57,582 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:43:57,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label40.c [2019-10-15 01:43:57,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c7c8aa8/57e01f024b634d71aa809eb5a944d8f0/FLAGf602cf3be [2019-10-15 01:43:58,251 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:43:58,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label40.c [2019-10-15 01:43:58,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c7c8aa8/57e01f024b634d71aa809eb5a944d8f0/FLAGf602cf3be [2019-10-15 01:43:58,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c7c8aa8/57e01f024b634d71aa809eb5a944d8f0 [2019-10-15 01:43:58,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:43:58,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:43:58,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:43:58,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:43:58,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:43:58,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:43:58" (1/1) ... [2019-10-15 01:43:58,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371dfc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:58, skipping insertion in model container [2019-10-15 01:43:58,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:43:58" (1/1) ... [2019-10-15 01:43:58,517 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:43:58,607 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:43:59,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:43:59,461 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:43:59,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:43:59,872 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:43:59,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:59 WrapperNode [2019-10-15 01:43:59,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:43:59,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:43:59,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:43:59,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:43:59,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:59" (1/1) ... [2019-10-15 01:43:59,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:59" (1/1) ... [2019-10-15 01:43:59,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:59" (1/1) ... [2019-10-15 01:43:59,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:59" (1/1) ... [2019-10-15 01:43:59,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:59" (1/1) ... [2019-10-15 01:44:00,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:59" (1/1) ... [2019-10-15 01:44:00,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:59" (1/1) ... [2019-10-15 01:44:00,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:44:00,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:44:00,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:44:00,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:44:00,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:59" (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 [2019-10-15 01:44:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:44:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:44:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:44:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:44:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:44:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:44:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:44:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:44:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:44:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:44:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:44:03,055 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:44:03,056 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:44:03,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:44:03 BoogieIcfgContainer [2019-10-15 01:44:03,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:44:03,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:44:03,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:44:03,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:44:03,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:43:58" (1/3) ... [2019-10-15 01:44:03,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fc3186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:44:03, skipping insertion in model container [2019-10-15 01:44:03,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:43:59" (2/3) ... [2019-10-15 01:44:03,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16fc3186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:44:03, skipping insertion in model container [2019-10-15 01:44:03,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:44:03" (3/3) ... [2019-10-15 01:44:03,077 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label40.c [2019-10-15 01:44:03,087 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:44:03,100 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:44:03,111 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:44:03,153 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:44:03,153 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:44:03,154 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:44:03,154 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:44:03,154 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:44:03,155 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:44:03,155 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:44:03,155 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:44:03,187 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2019-10-15 01:44:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-15 01:44:03,203 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:44:03,205 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:44:03,206 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:44:03,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:44:03,211 INFO L82 PathProgramCache]: Analyzing trace with hash 268797895, now seen corresponding path program 1 times [2019-10-15 01:44:03,219 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:44:03,219 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166521161] [2019-10-15 01:44:03,220 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:44:03,220 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:44:03,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:44:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:44:03,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:44:03,949 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166521161] [2019-10-15 01:44:03,951 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:44:03,951 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:44:03,952 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897401936] [2019-10-15 01:44:03,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:44:03,959 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:44:03,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:44:03,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:44:03,977 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 4 states. [2019-10-15 01:44:05,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:44:05,785 INFO L93 Difference]: Finished difference Result 613 states and 1182 transitions. [2019-10-15 01:44:05,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:44:05,788 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2019-10-15 01:44:05,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:44:05,809 INFO L225 Difference]: With dead ends: 613 [2019-10-15 01:44:05,809 INFO L226 Difference]: Without dead ends: 448 [2019-10-15 01:44:05,814 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:44:05,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-10-15 01:44:05,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 301. [2019-10-15 01:44:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2019-10-15 01:44:05,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 579 transitions. [2019-10-15 01:44:05,889 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 579 transitions. Word has length 149 [2019-10-15 01:44:05,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:44:05,890 INFO L462 AbstractCegarLoop]: Abstraction has 301 states and 579 transitions. [2019-10-15 01:44:05,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:44:05,891 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 579 transitions. [2019-10-15 01:44:05,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-15 01:44:05,897 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:44:05,898 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:44:05,898 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:44:05,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:44:05,898 INFO L82 PathProgramCache]: Analyzing trace with hash 235077976, now seen corresponding path program 1 times [2019-10-15 01:44:05,899 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:44:05,899 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069982497] [2019-10-15 01:44:05,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:44:05,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:44:05,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:44:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:44:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:44:06,107 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069982497] [2019-10-15 01:44:06,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:44:06,107 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:44:06,107 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954719372] [2019-10-15 01:44:06,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:44:06,109 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:44:06,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:44:06,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:44:06,110 INFO L87 Difference]: Start difference. First operand 301 states and 579 transitions. Second operand 6 states. [2019-10-15 01:44:07,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:44:07,417 INFO L93 Difference]: Finished difference Result 913 states and 1785 transitions. [2019-10-15 01:44:07,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:44:07,418 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2019-10-15 01:44:07,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:44:07,428 INFO L225 Difference]: With dead ends: 913 [2019-10-15 01:44:07,428 INFO L226 Difference]: Without dead ends: 617 [2019-10-15 01:44:07,434 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:44:07,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2019-10-15 01:44:07,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 605. [2019-10-15 01:44:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2019-10-15 01:44:07,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 1011 transitions. [2019-10-15 01:44:07,527 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 1011 transitions. Word has length 176 [2019-10-15 01:44:07,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:44:07,528 INFO L462 AbstractCegarLoop]: Abstraction has 605 states and 1011 transitions. [2019-10-15 01:44:07,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:44:07,528 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1011 transitions. [2019-10-15 01:44:07,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-15 01:44:07,538 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:44:07,539 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:44:07,539 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:44:07,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:44:07,540 INFO L82 PathProgramCache]: Analyzing trace with hash 422932365, now seen corresponding path program 1 times [2019-10-15 01:44:07,540 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:44:07,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991358572] [2019-10-15 01:44:07,540 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:44:07,540 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:44:07,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:44:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:44:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:44:07,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991358572] [2019-10-15 01:44:07,939 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:44:07,940 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:44:07,940 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118502544] [2019-10-15 01:44:07,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:44:07,941 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:44:07,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:44:07,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:44:07,948 INFO L87 Difference]: Start difference. First operand 605 states and 1011 transitions. Second operand 4 states. [2019-10-15 01:44:09,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:44:09,846 INFO L93 Difference]: Finished difference Result 2391 states and 4138 transitions. [2019-10-15 01:44:09,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:44:09,847 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 194 [2019-10-15 01:44:09,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:44:09,860 INFO L225 Difference]: With dead ends: 2391 [2019-10-15 01:44:09,860 INFO L226 Difference]: Without dead ends: 1791 [2019-10-15 01:44:09,864 INFO L600 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 [2019-10-15 01:44:09,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1791 states. [2019-10-15 01:44:09,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1791 to 1791. [2019-10-15 01:44:09,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1791 states. [2019-10-15 01:44:09,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1791 states and 2932 transitions. [2019-10-15 01:44:09,963 INFO L78 Accepts]: Start accepts. Automaton has 1791 states and 2932 transitions. Word has length 194 [2019-10-15 01:44:09,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:44:09,965 INFO L462 AbstractCegarLoop]: Abstraction has 1791 states and 2932 transitions. [2019-10-15 01:44:09,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:44:09,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2932 transitions. [2019-10-15 01:44:09,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-15 01:44:09,976 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:44:09,976 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:44:09,977 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:44:09,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:44:09,977 INFO L82 PathProgramCache]: Analyzing trace with hash 41475582, now seen corresponding path program 1 times [2019-10-15 01:44:09,977 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:44:09,977 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687735166] [2019-10-15 01:44:09,978 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:44:09,978 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:44:09,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:44:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:44:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:44:10,268 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687735166] [2019-10-15 01:44:10,269 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246628280] [2019-10-15 01:44:10,269 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 [2019-10-15 01:44:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:44:10,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-15 01:44:10,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:44:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:44:10,821 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:44:10,999 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:44:11,000 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [344174894] [2019-10-15 01:44:11,036 INFO L162 IcfgInterpreter]: Started Sifa with 153 locations of interest [2019-10-15 01:44:11,037 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 01:44:11,044 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 01:44:11,053 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 01:44:11,054 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 01:44:11,977 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 206 for LOIs [2019-10-15 01:44:12,293 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2019-10-15 01:44:12,550 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2019-10-15 01:44:12,849 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2019-10-15 01:44:14,456 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 302 [2019-10-15 01:44:17,047 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 261 [2019-10-15 01:44:17,405 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 265 [2019-10-15 01:44:17,890 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 216 [2019-10-15 01:44:18,373 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 261 [2019-10-15 01:44:19,236 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2019-10-15 01:44:19,341 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2019-10-15 01:44:19,571 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 361 [2019-10-15 01:44:19,699 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2019-10-15 01:44:19,801 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2019-10-15 01:44:19,993 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 362 [2019-10-15 01:44:20,100 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2019-10-15 01:44:22,385 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 216 [2019-10-15 01:44:22,666 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 361 [2019-10-15 01:44:22,913 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 362 [2019-10-15 01:44:23,022 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 362 [2019-10-15 01:44:23,247 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 363 [2019-10-15 01:44:25,543 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 362 [2019-10-15 01:44:25,800 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 362 [2019-10-15 01:44:26,193 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 366 [2019-10-15 01:44:27,701 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 261 [2019-10-15 01:44:28,279 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 265 [2019-10-15 01:44:28,973 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 362 [2019-10-15 01:44:29,200 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 362 [2019-10-15 01:44:29,582 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 261 [2019-10-15 01:44:30,063 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 257 [2019-10-15 01:44:30,444 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2019-10-15 01:44:30,619 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 216 [2019-10-15 01:44:31,159 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 261 [2019-10-15 01:44:31,895 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 166 for LOIs