/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/reducercommutativity/sum60-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:44:52,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:44:52,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:44:52,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:44:52,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:44:52,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:44:52,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:44:52,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:44:52,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:44:52,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:44:52,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:44:52,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:44:52,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:44:52,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:44:52,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:44:52,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:44:52,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:44:52,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:44:52,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:44:52,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:44:52,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:44:52,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:44:52,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:44:52,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:44:52,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:44:52,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:44:52,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:44:52,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:44:52,805 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 05:44:52,830 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:44:52,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:44:52,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:44:52,832 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:44:52,833 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:44:52,833 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:44:52,833 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:44:52,833 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:44:52,833 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:44:52,833 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:44:52,834 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:44:52,835 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:44:52,835 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:44:52,835 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:44:52,836 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:44:52,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:44:52,836 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:44:52,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:44:52,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:44:52,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:44:52,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:44:52,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:44:52,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:44:52,839 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:44:52,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:44:52,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:44:52,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:44:52,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:44:52,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:44:52,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:44:52,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:44:52,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:44:52,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:44:52,842 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:44:52,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:44:52,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:44:52,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:44:52,843 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:44:53,100 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:44:53,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:44:53,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:44:53,127 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:44:53,128 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:44:53,128 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum60-2.i [2019-11-24 05:44:53,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b05a7993/84cd77582f084122ad470436383e37be/FLAG2f918827a [2019-11-24 05:44:53,641 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:44:53,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sum60-2.i [2019-11-24 05:44:53,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b05a7993/84cd77582f084122ad470436383e37be/FLAG2f918827a [2019-11-24 05:44:54,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b05a7993/84cd77582f084122ad470436383e37be [2019-11-24 05:44:54,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:44:54,066 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:44:54,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:44:54,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:44:54,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:44:54,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:44:54" (1/1) ... [2019-11-24 05:44:54,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47757ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54, skipping insertion in model container [2019-11-24 05:44:54,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:44:54" (1/1) ... [2019-11-24 05:44:54,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:44:54,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:44:54,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:44:54,279 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:44:54,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:44:54,318 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:44:54,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54 WrapperNode [2019-11-24 05:44:54,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:44:54,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:44:54,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:44:54,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:44:54,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54" (1/1) ... [2019-11-24 05:44:54,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54" (1/1) ... [2019-11-24 05:44:54,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:44:54,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:44:54,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:44:54,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:44:54,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54" (1/1) ... [2019-11-24 05:44:54,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54" (1/1) ... [2019-11-24 05:44:54,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54" (1/1) ... [2019-11-24 05:44:54,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54" (1/1) ... [2019-11-24 05:44:54,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54" (1/1) ... [2019-11-24 05:44:54,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54" (1/1) ... [2019-11-24 05:44:54,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54" (1/1) ... [2019-11-24 05:44:54,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:44:54,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:44:54,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:44:54,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:44:54,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:44:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 05:44:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:44:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:44:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 05:44:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:44:54,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 05:44:55,061 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:44:55,061 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-24 05:44:55,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:44:55 BoogieIcfgContainer [2019-11-24 05:44:55,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:44:55,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:44:55,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:44:55,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:44:55,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:44:54" (1/3) ... [2019-11-24 05:44:55,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73892d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:44:55, skipping insertion in model container [2019-11-24 05:44:55,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:44:54" (2/3) ... [2019-11-24 05:44:55,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73892d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:44:55, skipping insertion in model container [2019-11-24 05:44:55,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:44:55" (3/3) ... [2019-11-24 05:44:55,070 INFO L109 eAbstractionObserver]: Analyzing ICFG sum60-2.i [2019-11-24 05:44:55,079 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:44:55,090 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 05:44:55,099 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 05:44:55,119 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:44:55,119 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:44:55,119 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:44:55,119 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:44:55,120 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:44:55,120 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:44:55,120 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:44:55,120 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:44:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-24 05:44:55,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:44:55,138 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:44:55,139 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:44:55,139 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:44:55,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:44:55,146 INFO L82 PathProgramCache]: Analyzing trace with hash 652281750, now seen corresponding path program 1 times [2019-11-24 05:44:55,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:44:55,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865635472] [2019-11-24 05:44:55,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:44:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:44:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:44:55,300 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865635472] [2019-11-24 05:44:55,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:44:55,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:44:55,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909812396] [2019-11-24 05:44:55,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:44:55,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:44:55,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:44:55,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:44:55,324 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-11-24 05:44:55,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:44:55,353 INFO L93 Difference]: Finished difference Result 21 states and 31 transitions. [2019-11-24 05:44:55,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:44:55,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 05:44:55,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:44:55,365 INFO L225 Difference]: With dead ends: 21 [2019-11-24 05:44:55,366 INFO L226 Difference]: Without dead ends: 10 [2019-11-24 05:44:55,369 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:44:55,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-24 05:44:55,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-24 05:44:55,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-24 05:44:55,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2019-11-24 05:44:55,410 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 14 transitions. Word has length 8 [2019-11-24 05:44:55,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:44:55,410 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 14 transitions. [2019-11-24 05:44:55,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:44:55,411 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2019-11-24 05:44:55,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-24 05:44:55,411 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:44:55,412 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:44:55,412 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:44:55,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:44:55,412 INFO L82 PathProgramCache]: Analyzing trace with hash 184277197, now seen corresponding path program 1 times [2019-11-24 05:44:55,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:44:55,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576492459] [2019-11-24 05:44:55,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:44:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:44:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:44:55,481 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576492459] [2019-11-24 05:44:55,482 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697967386] [2019-11-24 05:44:55,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:44:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:44:55,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-24 05:44:55,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:44:55,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:44:55,571 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:44:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:44:55,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-24 05:44:55,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2019-11-24 05:44:55,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989547358] [2019-11-24 05:44:55,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:44:55,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:44:55,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:44:55,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:44:55,591 INFO L87 Difference]: Start difference. First operand 10 states and 14 transitions. Second operand 4 states. [2019-11-24 05:44:55,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:44:55,654 INFO L93 Difference]: Finished difference Result 22 states and 34 transitions. [2019-11-24 05:44:55,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:44:55,655 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-11-24 05:44:55,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:44:55,656 INFO L225 Difference]: With dead ends: 22 [2019-11-24 05:44:55,656 INFO L226 Difference]: Without dead ends: 16 [2019-11-24 05:44:55,658 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:44:55,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-24 05:44:55,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-24 05:44:55,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-24 05:44:55,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-11-24 05:44:55,665 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 9 [2019-11-24 05:44:55,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:44:55,666 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-11-24 05:44:55,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:44:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2019-11-24 05:44:55,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-24 05:44:55,668 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:44:55,669 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:44:55,873 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:44:55,873 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:44:55,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:44:55,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1226965997, now seen corresponding path program 1 times [2019-11-24 05:44:55,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:44:55,875 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309515609] [2019-11-24 05:44:55,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:44:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:44:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-24 05:44:55,961 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309515609] [2019-11-24 05:44:55,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043813926] [2019-11-24 05:44:55,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:44:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:44:56,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-24 05:44:56,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:44:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-24 05:44:56,051 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:44:56,068 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-24 05:44:56,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-24 05:44:56,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2019-11-24 05:44:56,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431830565] [2019-11-24 05:44:56,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 05:44:56,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:44:56,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 05:44:56,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:44:56,071 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand 4 states. [2019-11-24 05:44:56,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:44:56,096 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2019-11-24 05:44:56,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:44:56,097 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-24 05:44:56,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:44:56,098 INFO L225 Difference]: With dead ends: 24 [2019-11-24 05:44:56,098 INFO L226 Difference]: Without dead ends: 18 [2019-11-24 05:44:56,099 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:44:56,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-24 05:44:56,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-24 05:44:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-24 05:44:56,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-11-24 05:44:56,115 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 15 [2019-11-24 05:44:56,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:44:56,115 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-11-24 05:44:56,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 05:44:56,116 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-11-24 05:44:56,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-24 05:44:56,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:44:56,120 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:44:56,320 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:44:56,321 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:44:56,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:44:56,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1575042285, now seen corresponding path program 1 times [2019-11-24 05:44:56,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:44:56,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696044631] [2019-11-24 05:44:56,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:44:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:44:56,366 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-24 05:44:56,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696044631] [2019-11-24 05:44:56,367 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946253473] [2019-11-24 05:44:56,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 05:44:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:44:56,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-24 05:44:56,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 05:44:56,449 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-24 05:44:56,449 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 05:44:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-24 05:44:56,479 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [844220133] [2019-11-24 05:44:56,538 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-24 05:44:56,539 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 05:44:56,545 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 05:44:56,558 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 05:44:56,559 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 05:45:06,994 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2019-11-24 05:45:07,129 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-11-24 05:45:19,523 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 252 [2019-11-24 05:45:24,441 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2019-11-24 05:45:26,331 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 261 [2019-11-24 05:45:32,431 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 272 [2019-11-24 05:45:34,806 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 282 [2019-11-24 05:45:35,064 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 277 [2019-11-24 05:45:37,537 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2019-11-24 05:45:37,647 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 281 [2019-11-24 05:45:44,439 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 293 [2019-11-24 05:45:44,656 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 296 [2019-11-24 05:45:46,955 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2019-11-24 05:45:47,061 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 299 [2019-11-24 05:45:49,473 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 309 [2019-11-24 05:45:49,596 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 304 [2019-11-24 05:45:49,811 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2019-11-24 05:45:52,372 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 310 [2019-11-24 05:45:55,022 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 312 [2019-11-24 05:45:55,152 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2019-11-24 05:45:57,947 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2019-11-24 05:45:58,058 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 319 [2019-11-24 05:46:00,652 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 329 [2019-11-24 05:46:00,774 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 326 [2019-11-24 05:46:03,611 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2019-11-24 05:46:03,728 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 330 [2019-11-24 05:46:06,521 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2019-11-24 05:46:06,652 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 332 [2019-11-24 05:46:07,369 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2019-11-24 05:46:07,560 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 258 [2019-11-24 05:46:07,739 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2019-11-24 05:46:07,911 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 300 [2019-11-24 05:46:08,151 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 380 [2019-11-24 05:46:08,416 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 365 [2019-11-24 05:46:08,691 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 454 [2019-11-24 05:46:08,970 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 450 [2019-11-24 05:46:09,440 WARN L192 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-24 05:46:09,942 WARN L192 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 575 [2019-11-24 05:46:10,713 WARN L192 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 693 [2019-11-24 05:46:11,470 WARN L192 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 686 [2019-11-24 05:46:12,689 WARN L192 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 878 [2019-11-24 05:46:14,048 WARN L192 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 879 DAG size of output: 828 [2019-11-24 05:46:15,142 WARN L192 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 759 DAG size of output: 734 [2019-11-24 05:46:15,949 WARN L192 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 722 [2019-11-24 05:46:17,524 WARN L192 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1026 DAG size of output: 1024 [2019-11-24 05:46:19,254 WARN L192 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1011 DAG size of output: 1008 [2019-11-24 05:46:22,530 WARN L192 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 1480 DAG size of output: 1478 [2019-11-24 05:46:26,311 WARN L192 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 1471 DAG size of output: 1470