/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/array-multidimensional/copy-partial-2-n-u.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 23:19:15,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 23:19:15,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 23:19:15,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 23:19:15,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 23:19:15,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 23:19:15,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 23:19:15,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 23:19:15,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 23:19:15,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 23:19:15,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 23:19:15,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 23:19:15,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 23:19:15,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 23:19:15,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 23:19:15,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 23:19:15,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 23:19:15,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 23:19:15,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 23:19:15,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 23:19:15,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 23:19:15,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 23:19:15,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 23:19:15,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 23:19:15,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 23:19:15,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 23:19:15,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 23:19:15,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 23:19:15,666 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 [2019-11-23 23:19:15,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 23:19:15,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 23:19:15,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-23 23:19:15,704 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-23 23:19:15,704 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-23 23:19:15,704 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-23 23:19:15,704 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-23 23:19:15,704 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-23 23:19:15,705 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-23 23:19:15,705 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-23 23:19:15,705 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-23 23:19:15,705 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-23 23:19:15,705 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-23 23:19:15,706 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-23 23:19:15,706 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-23 23:19:15,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 23:19:15,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 23:19:15,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 23:19:15,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 23:19:15,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 23:19:15,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 23:19:15,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 23:19:15,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 23:19:15,708 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 23:19:15,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 23:19:15,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 23:19:15,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 23:19:15,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 23:19:15,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 23:19:15,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 23:19:15,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 23:19:15,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 23:19:15,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 23:19:15,710 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-23 23:19:15,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 23:19:15,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 23:19:15,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 23:19:15,711 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-23 23:19:15,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 23:19:15,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 23:19:15,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 23:19:15,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 23:19:16,000 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 23:19:16,001 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-multidimensional/copy-partial-2-n-u.c [2019-11-23 23:19:16,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce738b28/ad62a6a22b5f4e32845a2fdf0dad2950/FLAG9a7fee8dd [2019-11-23 23:19:16,538 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 23:19:16,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-multidimensional/copy-partial-2-n-u.c [2019-11-23 23:19:16,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce738b28/ad62a6a22b5f4e32845a2fdf0dad2950/FLAG9a7fee8dd [2019-11-23 23:19:16,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ce738b28/ad62a6a22b5f4e32845a2fdf0dad2950 [2019-11-23 23:19:16,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 23:19:16,918 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 23:19:16,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 23:19:16,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 23:19:16,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 23:19:16,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:19:16" (1/1) ... [2019-11-23 23:19:16,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9d0bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:16, skipping insertion in model container [2019-11-23 23:19:16,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:19:16" (1/1) ... [2019-11-23 23:19:16,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 23:19:16,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 23:19:17,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:19:17,167 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 23:19:17,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 23:19:17,231 INFO L208 MainTranslator]: Completed translation [2019-11-23 23:19:17,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:17 WrapperNode [2019-11-23 23:19:17,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 23:19:17,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 23:19:17,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 23:19:17,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 23:19:17,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:17" (1/1) ... [2019-11-23 23:19:17,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:17" (1/1) ... [2019-11-23 23:19:17,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 23:19:17,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 23:19:17,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 23:19:17,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 23:19:17,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:17" (1/1) ... [2019-11-23 23:19:17,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:17" (1/1) ... [2019-11-23 23:19:17,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:17" (1/1) ... [2019-11-23 23:19:17,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:17" (1/1) ... [2019-11-23 23:19:17,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:17" (1/1) ... [2019-11-23 23:19:17,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:17" (1/1) ... [2019-11-23 23:19:17,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:17" (1/1) ... [2019-11-23 23:19:17,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 23:19:17,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 23:19:17,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 23:19:17,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 23:19:17,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:17" (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 [2019-11-23 23:19:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 23:19:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 23:19:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 23:19:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 23:19:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 23:19:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 23:19:17,834 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 23:19:17,834 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-23 23:19:17,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:19:17 BoogieIcfgContainer [2019-11-23 23:19:17,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 23:19:17,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 23:19:17,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 23:19:17,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 23:19:17,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:19:16" (1/3) ... [2019-11-23 23:19:17,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72182f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:19:17, skipping insertion in model container [2019-11-23 23:19:17,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:17" (2/3) ... [2019-11-23 23:19:17,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72182f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:19:17, skipping insertion in model container [2019-11-23 23:19:17,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:19:17" (3/3) ... [2019-11-23 23:19:17,843 INFO L109 eAbstractionObserver]: Analyzing ICFG copy-partial-2-n-u.c [2019-11-23 23:19:17,853 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 23:19:17,860 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 23:19:17,871 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 23:19:17,892 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 23:19:17,892 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 23:19:17,892 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 23:19:17,893 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 23:19:17,893 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 23:19:17,893 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 23:19:17,893 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 23:19:17,893 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 23:19:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-11-23 23:19:17,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-23 23:19:17,910 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:19:17,911 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:19:17,911 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:19:17,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:19:17,916 INFO L82 PathProgramCache]: Analyzing trace with hash -921004637, now seen corresponding path program 1 times [2019-11-23 23:19:17,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:19:17,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062680443] [2019-11-23 23:19:17,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:19:18,005 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:19:18,006 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1553898853] [2019-11-23 23:19:18,006 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 [2019-11-23 23:19:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:19:18,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:19:18,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:19:18,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:19:18,149 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:19:18,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 23:19:18,160 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062680443] [2019-11-23 23:19:18,160 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:19:18,161 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553898853] [2019-11-23 23:19:18,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:19:18,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-23 23:19:18,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126459621] [2019-11-23 23:19:18,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 23:19:18,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:19:18,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 23:19:18,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:19:18,185 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 4 states. [2019-11-23 23:19:18,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:19:18,260 INFO L93 Difference]: Finished difference Result 24 states and 37 transitions. [2019-11-23 23:19:18,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 23:19:18,263 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-23 23:19:18,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:19:18,276 INFO L225 Difference]: With dead ends: 24 [2019-11-23 23:19:18,277 INFO L226 Difference]: Without dead ends: 14 [2019-11-23 23:19:18,280 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-23 23:19:18,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-23 23:19:18,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-23 23:19:18,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-23 23:19:18,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2019-11-23 23:19:18,314 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 20 transitions. Word has length 7 [2019-11-23 23:19:18,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:19:18,314 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 20 transitions. [2019-11-23 23:19:18,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 23:19:18,315 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2019-11-23 23:19:18,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-23 23:19:18,315 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:19:18,315 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:19:18,520 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:19:18,520 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:19:18,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:19:18,521 INFO L82 PathProgramCache]: Analyzing trace with hash -911341549, now seen corresponding path program 1 times [2019-11-23 23:19:18,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:19:18,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964306818] [2019-11-23 23:19:18,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:19:18,526 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:19:18,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2134702663] [2019-11-23 23:19:18,527 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 [2019-11-23 23:19:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:19:18,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-23 23:19:18,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:19:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 23:19:18,604 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:19:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 23:19:18,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964306818] [2019-11-23 23:19:18,627 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:19:18,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134702663] [2019-11-23 23:19:18,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-23 23:19:18,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-23 23:19:18,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832696740] [2019-11-23 23:19:18,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 23:19:18,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-23 23:19:18,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 23:19:18,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-23 23:19:18,632 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. Second operand 6 states. [2019-11-23 23:19:18,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 23:19:18,740 INFO L93 Difference]: Finished difference Result 45 states and 66 transitions. [2019-11-23 23:19:18,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 23:19:18,741 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-23 23:19:18,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 23:19:18,744 INFO L225 Difference]: With dead ends: 45 [2019-11-23 23:19:18,744 INFO L226 Difference]: Without dead ends: 34 [2019-11-23 23:19:18,745 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-23 23:19:18,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-23 23:19:18,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 18. [2019-11-23 23:19:18,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-23 23:19:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2019-11-23 23:19:18,755 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 11 [2019-11-23 23:19:18,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 23:19:18,755 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2019-11-23 23:19:18,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 23:19:18,756 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2019-11-23 23:19:18,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-23 23:19:18,756 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 23:19:18,757 INFO L410 BasicCegarLoop]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 23:19:18,959 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-23 23:19:18,960 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 23:19:18,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 23:19:18,961 INFO L82 PathProgramCache]: Analyzing trace with hash 637461395, now seen corresponding path program 1 times [2019-11-23 23:19:18,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-23 23:19:18,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712406412] [2019-11-23 23:19:18,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 23:19:18,968 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-23 23:19:18,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [951623861] [2019-11-23 23:19:18,969 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 [2019-11-23 23:19:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 23:19:19,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-23 23:19:19,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-23 23:19:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-23 23:19:19,103 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-23 23:19:19,144 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-23 23:19:19,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712406412] [2019-11-23 23:19:19,145 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-23 23:19:19,145 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951623861] [2019-11-23 23:19:19,145 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [324334475] [2019-11-23 23:19:19,170 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2019-11-23 23:19:19,170 INFO L166 IcfgInterpreter]: Building call graph [2019-11-23 23:19:19,176 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-23 23:19:19,185 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-23 23:19:19,185 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-23 23:19:20,634 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-11-23 23:19:20,794 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2019-11-23 23:19:20,927 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 144 [2019-11-23 23:19:21,371 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-23 23:19:21,500 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 158 [2019-11-23 23:19:21,624 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 158 [2019-11-23 23:19:21,778 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-23 23:19:21,885 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2019-11-23 23:19:22,161 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-23 23:19:23,093 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 168 [2019-11-23 23:19:24,029 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2019-11-23 23:19:24,155 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2019-11-23 23:19:25,204 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-11-23 23:19:25,344 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-11-23 23:19:26,474 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2019-11-23 23:19:26,600 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2019-11-23 23:19:26,741 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2019-11-23 23:19:26,858 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 215 [2019-11-23 23:19:28,239 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2019-11-23 23:19:28,362 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 220 [2019-11-23 23:19:29,643 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 226 [2019-11-23 23:19:29,778 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 224 [2019-11-23 23:19:31,381 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 242 [2019-11-23 23:19:31,687 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2019-11-23 23:19:33,319 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2019-11-23 23:19:33,474 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2019-11-23 23:19:33,731 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2019-11-23 23:19:33,983 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 243 [2019-11-23 23:19:34,160 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2019-11-23 23:19:34,280 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 247 [2019-11-23 23:19:36,193 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2019-11-23 23:19:37,870 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2019-11-23 23:19:38,019 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 255 [2019-11-23 23:19:39,782 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2019-11-23 23:19:39,918 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 257 [2019-11-23 23:19:40,154 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 259 [2019-11-23 23:19:41,953 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2019-11-23 23:19:42,063 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 264 [2019-11-23 23:19:43,714 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 269 [2019-11-23 23:19:45,969 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 271 [2019-11-23 23:19:47,739 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 277 [2019-11-23 23:19:47,891 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 273 [2019-11-23 23:19:48,030 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2019-11-23 23:19:48,153 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 276 [2019-11-23 23:19:49,879 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 281 [2019-11-23 23:19:50,035 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 279 [2019-11-23 23:19:50,363 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2019-11-23 23:19:50,562 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2019-11-23 23:19:50,706 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2019-11-23 23:19:50,838 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 285 [2019-11-23 23:19:52,959 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2019-11-23 23:19:53,119 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 290 [2019-11-23 23:19:55,250 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 295 [2019-11-23 23:19:55,442 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 293 [2019-11-23 23:19:55,593 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2019-11-23 23:19:55,722 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 296 [2019-11-23 23:19:57,718 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 302 [2019-11-23 23:19:57,867 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 301 [2019-11-23 23:19:59,977 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2019-11-23 23:20:00,134 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 305 [2019-11-23 23:20:02,403 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2019-11-23 23:20:02,574 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 306 [2019-11-23 23:20:02,726 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2019-11-23 23:20:02,868 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2019-11-23 23:20:05,090 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2019-11-23 23:20:05,253 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 312 [2019-11-23 23:20:07,581 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2019-11-23 23:20:07,760 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 316 [2019-11-23 23:20:10,143 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2019-11-23 23:20:10,330 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 318 [2019-11-23 23:20:10,498 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2019-11-23 23:20:10,650 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 320 [2019-11-23 23:20:13,425 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2019-11-23 23:20:13,617 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 323 [2019-11-23 23:20:13,792 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2019-11-23 23:20:13,942 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 326 [2019-11-23 23:20:16,283 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 332 [2019-11-23 23:20:16,453 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 330 [2019-11-23 23:20:18,906 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2019-11-23 23:20:19,085 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 330 [2019-11-23 23:20:19,241 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2019-11-23 23:20:19,384 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2019-11-23 23:20:22,090 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2019-11-23 23:20:22,262 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 335 [2019-11-23 23:20:24,918 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2019-11-23 23:20:25,086 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 337 [2019-11-23 23:20:25,266 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2019-11-23 23:20:25,438 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 340 [2019-11-23 23:20:28,268 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2019-11-23 23:20:28,439 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 343 [2019-11-23 23:20:28,606 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2019-11-23 23:20:28,766 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 346 [2019-11-23 23:20:31,603 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2019-11-23 23:20:31,808 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 350 [2019-11-23 23:20:34,747 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2019-11-23 23:20:34,923 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 353 [2019-11-23 23:20:37,888 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2019-11-23 23:20:38,064 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 357 [2019-11-23 23:20:41,050 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 364 [2019-11-23 23:20:41,252 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 361 [2019-11-23 23:20:44,815 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2019-11-23 23:20:45,014 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 363 [2019-11-23 23:20:45,197 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2019-11-23 23:20:45,352 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 366 [2019-11-23 23:20:48,328 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 374 [2019-11-23 23:20:48,514 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 370