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/Problem01_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:40:49,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:40:49,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:40:49,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:40:49,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:40:49,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:40:49,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:40:49,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:40:49,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:40:49,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:40:49,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:40:49,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:40:49,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:40:49,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:40:49,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:40:49,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:40:49,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:40:49,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:40:49,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:40:49,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:40:49,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:40:49,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:40:49,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:40:49,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:40:49,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:40:49,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:40:49,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:40:49,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:40:49,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:40:49,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:40:49,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:40:49,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:40:49,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:40:49,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:40:49,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:40:49,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:40:49,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:40:49,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:40:49,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:40:49,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:40:49,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:40:49,796 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 01:40:49,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:40:49,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:40:49,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:40:49,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:40:49,817 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:40:49,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:40:49,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:40:49,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:40:49,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:40:49,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:40:49,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:40:49,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:40:49,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:40:49,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:40:49,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:40:49,820 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:40:49,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:40:49,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:40:49,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:40:49,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:40:49,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:40:49,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:40:49,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:40:49,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:40:49,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:40:49,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:40:49,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:40:49,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:40:49,822 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 01:40:50,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:40:50,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:40:50,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:40:50,118 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:40:50,118 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:40:50,119 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2019-10-15 01:40:50,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b29fa0104/b7292a73e28c4fdaaa5e4712e17a2d39/FLAGa5b68becd [2019-10-15 01:40:50,736 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:40:50,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label53.c [2019-10-15 01:40:50,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b29fa0104/b7292a73e28c4fdaaa5e4712e17a2d39/FLAGa5b68becd [2019-10-15 01:40:51,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b29fa0104/b7292a73e28c4fdaaa5e4712e17a2d39 [2019-10-15 01:40:51,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:40:51,029 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:40:51,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:40:51,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:40:51,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:40:51,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:40:51" (1/1) ... [2019-10-15 01:40:51,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5014cfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:51, skipping insertion in model container [2019-10-15 01:40:51,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:40:51" (1/1) ... [2019-10-15 01:40:51,049 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:40:51,107 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:40:51,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:40:51,684 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:40:51,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:40:51,822 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:40:51,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:51 WrapperNode [2019-10-15 01:40:51,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:40:51,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:40:51,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:40:51,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:40:51,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:51" (1/1) ... [2019-10-15 01:40:51,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:51" (1/1) ... [2019-10-15 01:40:51,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:51" (1/1) ... [2019-10-15 01:40:51,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:51" (1/1) ... [2019-10-15 01:40:51,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:51" (1/1) ... [2019-10-15 01:40:51,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:51" (1/1) ... [2019-10-15 01:40:51,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:51" (1/1) ... [2019-10-15 01:40:51,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:40:51,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:40:51,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:40:51,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:40:51,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:51" (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 01:40:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:40:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:40:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:40:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:40:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:40:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:40:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:40:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:40:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:40:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:40:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:40:53,864 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:40:53,867 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:40:53,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:40:53 BoogieIcfgContainer [2019-10-15 01:40:53,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:40:53,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:40:53,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:40:53,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:40:53,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:40:51" (1/3) ... [2019-10-15 01:40:53,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5d8165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:40:53, skipping insertion in model container [2019-10-15 01:40:53,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:51" (2/3) ... [2019-10-15 01:40:53,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5d8165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:40:53, skipping insertion in model container [2019-10-15 01:40:53,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:40:53" (3/3) ... [2019-10-15 01:40:53,888 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label53.c [2019-10-15 01:40:53,900 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:40:53,910 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:40:53,921 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:40:53,954 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:40:53,954 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:40:53,954 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:40:53,955 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:40:53,955 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:40:53,955 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:40:53,955 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:40:53,955 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:40:53,988 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-10-15 01:40:53,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 01:40:54,000 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:54,001 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] [2019-10-15 01:40:54,003 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:54,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:54,009 INFO L82 PathProgramCache]: Analyzing trace with hash 826821988, now seen corresponding path program 1 times [2019-10-15 01:40:54,018 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:54,019 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412165397] [2019-10-15 01:40:54,019 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:54,019 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:54,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:54,422 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 01:40:54,423 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412165397] [2019-10-15 01:40:54,424 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:40:54,425 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:40:54,425 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572716698] [2019-10-15 01:40:54,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:40:54,431 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:54,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:40:54,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:40:54,447 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2019-10-15 01:40:55,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:55,002 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-10-15 01:40:55,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:40:55,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-15 01:40:55,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:55,020 INFO L225 Difference]: With dead ends: 246 [2019-10-15 01:40:55,020 INFO L226 Difference]: Without dead ends: 157 [2019-10-15 01:40:55,024 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:40:55,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-10-15 01:40:55,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-10-15 01:40:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-15 01:40:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 279 transitions. [2019-10-15 01:40:55,132 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 279 transitions. Word has length 77 [2019-10-15 01:40:55,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:55,134 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 279 transitions. [2019-10-15 01:40:55,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:40:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2019-10-15 01:40:55,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 01:40:55,143 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:55,143 INFO L380 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] [2019-10-15 01:40:55,144 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:55,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:55,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1195664645, now seen corresponding path program 1 times [2019-10-15 01:40:55,146 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:55,146 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175293617] [2019-10-15 01:40:55,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:55,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:55,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:55,306 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:55,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175293617] [2019-10-15 01:40:55,308 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:40:55,308 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:40:55,308 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621595084] [2019-10-15 01:40:55,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:40:55,311 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:55,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:40:55,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:40:55,312 INFO L87 Difference]: Start difference. First operand 157 states and 279 transitions. Second operand 6 states. [2019-10-15 01:40:55,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:55,941 INFO L93 Difference]: Finished difference Result 402 states and 725 transitions. [2019-10-15 01:40:55,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:40:55,943 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-15 01:40:55,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:55,952 INFO L225 Difference]: With dead ends: 402 [2019-10-15 01:40:55,956 INFO L226 Difference]: Without dead ends: 250 [2019-10-15 01:40:55,959 INFO L600 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 [2019-10-15 01:40:55,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-10-15 01:40:56,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 238. [2019-10-15 01:40:56,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-10-15 01:40:56,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 407 transitions. [2019-10-15 01:40:56,007 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 407 transitions. Word has length 87 [2019-10-15 01:40:56,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:56,007 INFO L462 AbstractCegarLoop]: Abstraction has 238 states and 407 transitions. [2019-10-15 01:40:56,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:40:56,008 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 407 transitions. [2019-10-15 01:40:56,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:40:56,014 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:56,014 INFO L380 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] [2019-10-15 01:40:56,014 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:56,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:56,015 INFO L82 PathProgramCache]: Analyzing trace with hash -2128686249, now seen corresponding path program 1 times [2019-10-15 01:40:56,015 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:56,016 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520633912] [2019-10-15 01:40:56,016 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:56,016 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:56,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:56,126 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:56,127 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520633912] [2019-10-15 01:40:56,127 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:40:56,127 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:40:56,127 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172561949] [2019-10-15 01:40:56,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:40:56,128 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:56,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:40:56,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:40:56,129 INFO L87 Difference]: Start difference. First operand 238 states and 407 transitions. Second operand 4 states. [2019-10-15 01:40:56,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:56,843 INFO L93 Difference]: Finished difference Result 852 states and 1533 transitions. [2019-10-15 01:40:56,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:40:56,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-10-15 01:40:56,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:56,850 INFO L225 Difference]: With dead ends: 852 [2019-10-15 01:40:56,850 INFO L226 Difference]: Without dead ends: 619 [2019-10-15 01:40:56,856 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 01:40:56,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2019-10-15 01:40:56,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 544. [2019-10-15 01:40:56,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-10-15 01:40:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 888 transitions. [2019-10-15 01:40:56,928 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 888 transitions. Word has length 88 [2019-10-15 01:40:56,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:56,932 INFO L462 AbstractCegarLoop]: Abstraction has 544 states and 888 transitions. [2019-10-15 01:40:56,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:40:56,932 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 888 transitions. [2019-10-15 01:40:56,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-15 01:40:56,940 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:56,940 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-15 01:40:56,942 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:56,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:56,942 INFO L82 PathProgramCache]: Analyzing trace with hash 579796939, now seen corresponding path program 1 times [2019-10-15 01:40:56,942 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:56,943 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369781969] [2019-10-15 01:40:56,943 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:56,943 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:56,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:57,074 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:57,075 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369781969] [2019-10-15 01:40:57,075 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:40:57,075 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:40:57,075 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247856719] [2019-10-15 01:40:57,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:40:57,076 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:57,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:40:57,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:40:57,077 INFO L87 Difference]: Start difference. First operand 544 states and 888 transitions. Second operand 3 states. [2019-10-15 01:40:57,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:57,534 INFO L93 Difference]: Finished difference Result 1543 states and 2645 transitions. [2019-10-15 01:40:57,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:40:57,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2019-10-15 01:40:57,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:57,542 INFO L225 Difference]: With dead ends: 1543 [2019-10-15 01:40:57,543 INFO L226 Difference]: Without dead ends: 1004 [2019-10-15 01:40:57,545 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:40:57,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2019-10-15 01:40:57,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2019-10-15 01:40:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2019-10-15 01:40:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1637 transitions. [2019-10-15 01:40:57,601 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1637 transitions. Word has length 94 [2019-10-15 01:40:57,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:57,602 INFO L462 AbstractCegarLoop]: Abstraction has 1004 states and 1637 transitions. [2019-10-15 01:40:57,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:40:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1637 transitions. [2019-10-15 01:40:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-15 01:40:57,607 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:57,607 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:57,608 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:57,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:57,608 INFO L82 PathProgramCache]: Analyzing trace with hash 95153079, now seen corresponding path program 1 times [2019-10-15 01:40:57,609 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:57,609 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636860771] [2019-10-15 01:40:57,609 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:57,609 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:57,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:57,708 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636860771] [2019-10-15 01:40:57,708 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:40:57,708 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:40:57,709 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585382282] [2019-10-15 01:40:57,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:40:57,710 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:57,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:40:57,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:40:57,710 INFO L87 Difference]: Start difference. First operand 1004 states and 1637 transitions. Second operand 6 states. [2019-10-15 01:40:58,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:58,218 INFO L93 Difference]: Finished difference Result 2444 states and 4170 transitions. [2019-10-15 01:40:58,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:40:58,218 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2019-10-15 01:40:58,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:58,229 INFO L225 Difference]: With dead ends: 2444 [2019-10-15 01:40:58,229 INFO L226 Difference]: Without dead ends: 1445 [2019-10-15 01:40:58,233 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 01:40:58,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2019-10-15 01:40:58,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1113. [2019-10-15 01:40:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1113 states. [2019-10-15 01:40:58,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1613 transitions. [2019-10-15 01:40:58,288 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1613 transitions. Word has length 121 [2019-10-15 01:40:58,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:58,289 INFO L462 AbstractCegarLoop]: Abstraction has 1113 states and 1613 transitions. [2019-10-15 01:40:58,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:40:58,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1613 transitions. [2019-10-15 01:40:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-15 01:40:58,294 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:58,294 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:40:58,294 INFO L410 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:58,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:58,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1205366486, now seen corresponding path program 1 times [2019-10-15 01:40:58,295 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:58,295 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511117959] [2019-10-15 01:40:58,296 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:58,296 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:58,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:58,434 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:58,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511117959] [2019-10-15 01:40:58,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142216664] [2019-10-15 01:40:58,435 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 01:40:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:58,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-15 01:40:58,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:40:58,618 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:58,618 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:40:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:58,720 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1837949301] [2019-10-15 01:40:58,756 INFO L162 IcfgInterpreter]: Started Sifa with 81 locations of interest [2019-10-15 01:40:58,756 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 01:40:58,763 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 01:40:58,772 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 01:40:58,773 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 01:40:59,113 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 98 for LOIs [2019-10-15 01:41:01,447 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 139 for LOIs [2019-10-15 01:41:02,037 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-15 01:41:02,223 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-15 01:41:02,485 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:41:02,794 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-15 01:41:02,956 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-10-15 01:41:03,101 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-10-15 01:41:03,445 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-10-15 01:41:03,655 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-10-15 01:41:04,036 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-10-15 01:41:04,224 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-10-15 01:41:04,385 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:41:04,626 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:04,805 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:04,973 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 01:41:05,670 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:05,809 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:05,939 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-15 01:41:06,213 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:06,334 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:06,492 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-10-15 01:41:06,726 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:06,848 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:06,984 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 01:41:07,484 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:07,610 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:07,738 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-10-15 01:41:07,939 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:08,064 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:08,205 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 01:41:08,640 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:08,807 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:08,939 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 01:41:09,157 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:09,284 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:09,420 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 01:41:09,671 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:09,793 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:09,933 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-10-15 01:41:10,117 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:10,239 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:10,370 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-15 01:41:10,565 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:10,721 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:10,849 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-15 01:41:11,029 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:11,151 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:11,284 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 01:41:11,532 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:11,667 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-10-15 01:41:11,797 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:41:11,983 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:12,103 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:12,231 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:41:12,420 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:12,535 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:12,680 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:41:12,872 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:12,993 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:13,134 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:41:13,314 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:13,431 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:13,554 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:41:13,735 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:13,855 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:13,982 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-10-15 01:41:14,281 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:14,418 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:14,545 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:41:14,727 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:14,844 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:15,011 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:41:15,212 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:15,330 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:15,464 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:41:15,743 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:15,864 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:15,993 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:41:16,192 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:16,308 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:16,439 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:41:16,809 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:16,925 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:17,054 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:41:17,248 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:17,379 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:17,507 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:41:17,705 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:17,827 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:17,955 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:41:18,128 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:18,250 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:18,374 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-10-15 01:41:18,549 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:18,666 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:18,800 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:41:18,995 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:19,112 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:19,241 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:41:19,414 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:19,531 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-10-15 01:41:19,676 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:41:19,842 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:19,954 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:20,074 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:41:20,249 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:20,364 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:20,487 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-10-15 01:41:20,667 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:20,778 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:20,974 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:21,085 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:21,207 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 01:41:21,382 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:21,494 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:21,619 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:41:21,802 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:21,916 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:22,041 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:41:22,259 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:22,371 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:22,490 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:41:22,657 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:22,785 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-10-15 01:41:22,903 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:41:23,058 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:23,161 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:23,272 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-15 01:41:23,434 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:23,540 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:23,650 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:41:23,802 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:23,910 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:24,016 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:41:24,167 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:24,275 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:24,391 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:41:24,579 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:24,682 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:24,830 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 01:41:25,150 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:25,260 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:25,368 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-10-15 01:41:25,522 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:25,629 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:25,737 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 01:41:25,916 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:26,018 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:26,134 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 01:41:26,303 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:26,410 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:26,517 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:41:26,665 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:26,768 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:26,876 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-10-15 01:41:27,044 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:27,145 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:27,251 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:41:27,407 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:27,511 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:27,622 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:41:27,776 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:27,877 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:27,988 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:41:28,238 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:28,350 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-10-15 01:41:28,506 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:28,607 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-10-15 01:41:28,719 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-10-15 01:41:29,064 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-15 01:41:29,412 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-15 01:41:29,571 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-10-15 01:41:29,770 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:41:30,111 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:41:30,360 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-10-15 01:41:30,466 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 154