/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:30:22,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:30:22,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:30:22,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:30:22,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:30:22,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:30:22,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:30:22,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:30:22,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:30:22,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:30:22,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:30:22,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:30:22,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:30:22,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:30:22,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:30:22,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:30:22,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:30:22,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:30:22,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:30:22,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:30:22,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:30:22,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:30:22,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:30:22,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:30:22,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:30:22,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:30:22,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:30:22,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:30:22,857 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:30:22,866 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:30:22,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:30:22,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:30:22,868 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:30:22,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:30:22,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:30:22,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:30:22,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:30:22,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:30:22,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:30:22,869 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:30:22,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:30:22,870 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:30:22,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:30:22,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:30:22,870 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:30:22,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:30:22,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:30:22,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:30:22,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:30:22,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:30:22,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:30:22,872 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:30:23,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:30:23,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:30:23,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:30:23,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:30:23,165 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:30:23,165 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-07-17 13:30:23,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0647ca2c9/a23dd04263f74f48aa77a9b10a3ba666/FLAGadc8bf73a [2020-07-17 13:30:23,901 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:30:23,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2020-07-17 13:30:23,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0647ca2c9/a23dd04263f74f48aa77a9b10a3ba666/FLAGadc8bf73a [2020-07-17 13:30:24,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0647ca2c9/a23dd04263f74f48aa77a9b10a3ba666 [2020-07-17 13:30:24,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:30:24,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:30:24,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:30:24,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:30:24,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:30:24,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:30:24" (1/1) ... [2020-07-17 13:30:24,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acbf1fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:24, skipping insertion in model container [2020-07-17 13:30:24,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:30:24" (1/1) ... [2020-07-17 13:30:24,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:30:24,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:30:24,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:30:24,669 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:30:24,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:30:24,924 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:30:24,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:24 WrapperNode [2020-07-17 13:30:24,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:30:24,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:30:24,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:30:24,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:30:24,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:24" (1/1) ... [2020-07-17 13:30:24,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:24" (1/1) ... [2020-07-17 13:30:24,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:24" (1/1) ... [2020-07-17 13:30:24,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:24" (1/1) ... [2020-07-17 13:30:25,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:24" (1/1) ... [2020-07-17 13:30:25,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:24" (1/1) ... [2020-07-17 13:30:25,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:24" (1/1) ... [2020-07-17 13:30:25,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:30:25,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:30:25,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:30:25,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:30:25,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:24" (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 [2020-07-17 13:30:25,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:30:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:30:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 13:30:25,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:30:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 13:30:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:30:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:30:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 13:30:25,180 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:30:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:30:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:30:26,595 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:30:26,595 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 13:30:26,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:30:26 BoogieIcfgContainer [2020-07-17 13:30:26,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:30:26,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:30:26,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:30:26,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:30:26,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:30:24" (1/3) ... [2020-07-17 13:30:26,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97ea51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:30:26, skipping insertion in model container [2020-07-17 13:30:26,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:30:24" (2/3) ... [2020-07-17 13:30:26,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@97ea51e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:30:26, skipping insertion in model container [2020-07-17 13:30:26,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:30:26" (3/3) ... [2020-07-17 13:30:26,624 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label17.c [2020-07-17 13:30:26,637 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:30:26,650 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:30:26,666 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:30:26,693 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:30:26,693 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:30:26,693 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:30:26,693 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:30:26,693 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:30:26,694 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:30:26,694 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:30:26,694 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:30:26,727 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states. [2020-07-17 13:30:26,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-07-17 13:30:26,770 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:30:26,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:30:26,772 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:30:26,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:30:26,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1930932209, now seen corresponding path program 1 times [2020-07-17 13:30:26,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:30:26,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442165633] [2020-07-17 13:30:26,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:30:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:30:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:30:27,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:30:27,466 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:30:27,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442165633] [2020-07-17 13:30:27,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:30:27,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:30:27,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987626679] [2020-07-17 13:30:27,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:30:27,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:30:27,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:30:27,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:30:27,497 INFO L87 Difference]: Start difference. First operand 525 states. Second operand 5 states. [2020-07-17 13:30:29,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:30:29,695 INFO L93 Difference]: Finished difference Result 1259 states and 1658 transitions. [2020-07-17 13:30:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 13:30:29,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2020-07-17 13:30:29,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:30:29,738 INFO L225 Difference]: With dead ends: 1259 [2020-07-17 13:30:29,738 INFO L226 Difference]: Without dead ends: 685 [2020-07-17 13:30:29,749 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:30:29,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2020-07-17 13:30:29,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 603. [2020-07-17 13:30:29,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2020-07-17 13:30:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 725 transitions. [2020-07-17 13:30:29,896 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 725 transitions. Word has length 144 [2020-07-17 13:30:29,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:30:29,897 INFO L479 AbstractCegarLoop]: Abstraction has 603 states and 725 transitions. [2020-07-17 13:30:29,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:30:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 725 transitions. [2020-07-17 13:30:29,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-17 13:30:29,904 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:30:29,904 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:30:29,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:30:29,905 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:30:29,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:30:29,906 INFO L82 PathProgramCache]: Analyzing trace with hash -838420896, now seen corresponding path program 1 times [2020-07-17 13:30:29,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:30:29,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756380123] [2020-07-17 13:30:29,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:30:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:30:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:30:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:30:30,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:30:31,120 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:30:31,450 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:30:31,675 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:30:31,882 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:30:32,139 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:30:32,418 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:30:32,729 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:30:33,316 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:30:34,185 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 13:30:34,558 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:30:35,202 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 13:30:35,589 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:30:36,341 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 13:30:36,773 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:30:37,238 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:30:37,754 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:30:38,274 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:30:38,809 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:30:39,411 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:30:40,013 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:30:40,636 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:30:41,297 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:30:42,464 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:30:43,676 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:30:44,910 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-07-17 13:30:46,218 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 13:30:46,986 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:30:48,342 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:30:50,231 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2020-07-17 13:30:51,551 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:30:53,448 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:30:54,281 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 13:30:55,122 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:30:56,596 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 13:30:57,510 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 13:30:58,444 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:31:00,665 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:31:02,257 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:31:03,874 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 115 DAG size of output: 115 [2020-07-17 13:31:05,512 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:31:07,210 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2020-07-17 13:31:08,838 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:31:10,500 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:31:12,152 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:31:13,207 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:31:15,521 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-07-17 13:31:17,192 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:31:18,880 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:31:20,565 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:31:22,249 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-07-17 13:31:24,571 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:31:26,251 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:31:27,873 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2020-07-17 13:31:29,495 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:31:31,521 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-07-17 13:31:32,969 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:31:34,451 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:31:36,550 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:31:38,238 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2020-07-17 13:31:39,665 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:31:40,876 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2020-07-17 13:31:42,094 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2020-07-17 13:31:42,951 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-07-17 13:31:43,632 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:31:44,206 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:31:44,974 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:31:45,598 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:31:46,408 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 13:31:47,235 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 13:31:47,911 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:31:48,790 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:31:49,502 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:31:50,218 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:31:51,187 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:31:52,147 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:31:53,148 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 13:31:54,110 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:31:54,866 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:31:55,893 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:31:56,928 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:31:57,934 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:31:58,953 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2020-07-17 13:32:00,029 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:32:01,122 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2020-07-17 13:32:02,241 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:32:03,420 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:32:04,666 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:32:05,884 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:32:07,017 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-07-17 13:32:08,173 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:32:09,062 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:32:10,295 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:32:11,530 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:32:12,500 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:32:13,759 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-07-17 13:32:15,055 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:32:16,358 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:32:17,635 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:32:18,639 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:32:19,974 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:32:21,396 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:32:22,818 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:32:24,200 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:32:25,631 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:32:27,083 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:32:28,503 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:32:29,943 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:32:30,778 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 43 [2020-07-17 13:32:30,779 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:32:30,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756380123] [2020-07-17 13:32:30,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:32:30,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [127] imperfect sequences [] total 127 [2020-07-17 13:32:30,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836423307] [2020-07-17 13:32:30,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 128 states [2020-07-17 13:32:30,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:32:30,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2020-07-17 13:32:30,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6829, Invalid=9427, Unknown=0, NotChecked=0, Total=16256 [2020-07-17 13:32:30,793 INFO L87 Difference]: Start difference. First operand 603 states and 725 transitions. Second operand 128 states. [2020-07-17 13:32:34,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:32:34,988 INFO L93 Difference]: Finished difference Result 1436 states and 1760 transitions. [2020-07-17 13:32:34,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 13:32:34,995 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 165 [2020-07-17 13:32:34,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:32:35,001 INFO L225 Difference]: With dead ends: 1436 [2020-07-17 13:32:35,001 INFO L226 Difference]: Without dead ends: 857 [2020-07-17 13:32:35,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1547 ImplicationChecksByTransitivity, 120.6s TimeCoverageRelationStatistics Valid=6859, Invalid=10697, Unknown=0, NotChecked=0, Total=17556 [2020-07-17 13:32:35,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-07-17 13:32:35,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 748. [2020-07-17 13:32:35,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-07-17 13:32:35,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 916 transitions. [2020-07-17 13:32:35,088 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 916 transitions. Word has length 165 [2020-07-17 13:32:35,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:32:35,088 INFO L479 AbstractCegarLoop]: Abstraction has 748 states and 916 transitions. [2020-07-17 13:32:35,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 128 states. [2020-07-17 13:32:35,088 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 916 transitions. [2020-07-17 13:32:35,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-17 13:32:35,093 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:32:35,093 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:32:35,094 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:32:35,094 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:32:35,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:32:35,094 INFO L82 PathProgramCache]: Analyzing trace with hash -770413602, now seen corresponding path program 1 times [2020-07-17 13:32:35,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:32:35,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380097728] [2020-07-17 13:32:35,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:32:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:32:35,409 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:32:35,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380097728] [2020-07-17 13:32:35,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:32:35,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:32:35,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999180598] [2020-07-17 13:32:35,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:32:35,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:32:35,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:32:35,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:32:35,412 INFO L87 Difference]: Start difference. First operand 748 states and 916 transitions. Second operand 5 states. [2020-07-17 13:32:38,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:32:38,128 INFO L93 Difference]: Finished difference Result 1940 states and 2484 transitions. [2020-07-17 13:32:38,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:32:38,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 165 [2020-07-17 13:32:38,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:32:38,145 INFO L225 Difference]: With dead ends: 1940 [2020-07-17 13:32:38,145 INFO L226 Difference]: Without dead ends: 1216 [2020-07-17 13:32:38,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:32:38,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2020-07-17 13:32:38,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 895. [2020-07-17 13:32:38,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-07-17 13:32:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1095 transitions. [2020-07-17 13:32:38,281 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1095 transitions. Word has length 165 [2020-07-17 13:32:38,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:32:38,283 INFO L479 AbstractCegarLoop]: Abstraction has 895 states and 1095 transitions. [2020-07-17 13:32:38,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:32:38,283 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1095 transitions. [2020-07-17 13:32:38,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-17 13:32:38,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:32:38,289 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:32:38,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 13:32:38,289 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:32:38,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:32:38,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1235003416, now seen corresponding path program 1 times [2020-07-17 13:32:38,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:32:38,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264542578] [2020-07-17 13:32:38,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:32:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:32:38,530 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:32:38,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264542578] [2020-07-17 13:32:38,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:32:38,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 13:32:38,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673379282] [2020-07-17 13:32:38,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 13:32:38,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:32:38,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 13:32:38,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:32:38,532 INFO L87 Difference]: Start difference. First operand 895 states and 1095 transitions. Second operand 6 states. [2020-07-17 13:32:41,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:32:41,938 INFO L93 Difference]: Finished difference Result 2980 states and 3830 transitions. [2020-07-17 13:32:41,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 13:32:41,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-07-17 13:32:41,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:32:41,954 INFO L225 Difference]: With dead ends: 2980 [2020-07-17 13:32:41,954 INFO L226 Difference]: Without dead ends: 2109 [2020-07-17 13:32:41,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-17 13:32:41,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2020-07-17 13:32:42,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 1765. [2020-07-17 13:32:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1765 states. [2020-07-17 13:32:42,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2214 transitions. [2020-07-17 13:32:42,276 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2214 transitions. Word has length 174 [2020-07-17 13:32:42,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:32:42,276 INFO L479 AbstractCegarLoop]: Abstraction has 1765 states and 2214 transitions. [2020-07-17 13:32:42,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 13:32:42,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2214 transitions. [2020-07-17 13:32:42,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-07-17 13:32:42,290 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:32:42,290 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:32:42,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 13:32:42,291 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:32:42,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:32:42,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1522339834, now seen corresponding path program 1 times [2020-07-17 13:32:42,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:32:42,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637922051] [2020-07-17 13:32:42,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:32:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:32:42,591 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:32:42,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637922051] [2020-07-17 13:32:42,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:32:42,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 13:32:42,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62061220] [2020-07-17 13:32:42,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 13:32:42,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:32:42,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 13:32:42,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-17 13:32:42,596 INFO L87 Difference]: Start difference. First operand 1765 states and 2214 transitions. Second operand 7 states. [2020-07-17 13:32:45,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:32:45,345 INFO L93 Difference]: Finished difference Result 3978 states and 5147 transitions. [2020-07-17 13:32:45,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 13:32:45,346 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2020-07-17 13:32:45,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:32:45,363 INFO L225 Difference]: With dead ends: 3978 [2020-07-17 13:32:45,364 INFO L226 Difference]: Without dead ends: 2237 [2020-07-17 13:32:45,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-07-17 13:32:45,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2237 states. [2020-07-17 13:32:45,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2237 to 2194. [2020-07-17 13:32:45,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2194 states. [2020-07-17 13:32:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 2194 states and 2712 transitions. [2020-07-17 13:32:45,690 INFO L78 Accepts]: Start accepts. Automaton has 2194 states and 2712 transitions. Word has length 179 [2020-07-17 13:32:45,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:32:45,690 INFO L479 AbstractCegarLoop]: Abstraction has 2194 states and 2712 transitions. [2020-07-17 13:32:45,690 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 13:32:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 2712 transitions. [2020-07-17 13:32:45,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-07-17 13:32:45,701 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:32:45,702 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:32:45,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 13:32:45,702 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:32:45,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:32:45,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1269917773, now seen corresponding path program 1 times [2020-07-17 13:32:45,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:32:45,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812768550] [2020-07-17 13:32:45,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:32:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:32:45,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:32:46,614 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:32:46,798 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:32:47,176 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:32:47,403 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:32:47,668 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:32:47,977 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:32:48,312 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:32:48,668 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:32:49,353 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:32:50,385 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-07-17 13:32:50,821 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:32:51,560 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-07-17 13:32:52,039 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-17 13:32:52,895 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-07-17 13:32:53,407 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:32:53,948 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:32:54,514 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:32:55,133 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:32:55,745 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:32:56,380 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:32:57,046 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:32:57,768 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:32:58,519 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:32:59,882 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:33:01,244 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 13:33:02,675 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 13:33:04,229 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 13:33:05,099 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 13:33:06,628 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:33:08,813 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2020-07-17 13:33:10,349 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:33:12,551 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:33:13,480 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:33:14,451 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-17 13:33:16,155 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:33:17,181 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:33:18,255 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:33:20,839 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:33:22,677 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:33:24,657 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2020-07-17 13:33:26,563 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:33:28,508 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2020-07-17 13:33:30,394 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-07-17 13:33:32,314 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 13:33:34,218 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:33:35,418 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 13:33:38,119 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-07-17 13:33:40,037 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2020-07-17 13:33:41,983 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 13:33:43,934 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:33:45,859 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:33:48,557 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:33:50,482 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:33:52,344 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2020-07-17 13:33:54,246 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 13:33:56,553 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-07-17 13:33:58,234 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:33:59,941 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:34:02,254 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:34:04,284 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 13:34:05,814 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:34:07,204 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2020-07-17 13:34:08,442 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2020-07-17 13:34:09,373 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-07-17 13:34:10,058 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:34:10,788 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:34:11,739 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:34:12,492 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:34:13,461 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2020-07-17 13:34:14,468 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-07-17 13:34:15,283 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:34:16,328 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:34:17,171 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:34:18,043 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:34:19,196 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:34:20,359 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:34:21,559 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:34:22,730 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:34:23,651 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:34:24,851 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 13:34:26,082 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 13:34:27,268 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:34:28,487 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:34:29,757 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2020-07-17 13:34:31,082 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 13:34:32,446 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:34:33,862 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:34:35,339 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:34:36,777 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:34:38,127 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2020-07-17 13:34:39,534 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 13:34:40,632 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:34:42,125 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:34:43,620 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:34:44,788 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:34:46,265 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2020-07-17 13:34:47,794 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:34:49,312 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:34:50,851 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 13:34:52,047 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:34:53,616 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:34:55,257 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:34:56,881 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:34:58,507 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 13:35:00,173 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:35:01,889 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:35:03,606 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:35:05,356 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:35:06,283 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2020-07-17 13:35:06,284 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:35:06,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812768550] [2020-07-17 13:35:06,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:35:06,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [126] imperfect sequences [] total 126 [2020-07-17 13:35:06,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245236470] [2020-07-17 13:35:06,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 127 states [2020-07-17 13:35:06,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:35:06,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2020-07-17 13:35:06,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6825, Invalid=9177, Unknown=0, NotChecked=0, Total=16002 [2020-07-17 13:35:06,292 INFO L87 Difference]: Start difference. First operand 2194 states and 2712 transitions. Second operand 127 states. [2020-07-17 13:35:10,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:35:10,449 INFO L93 Difference]: Finished difference Result 4852 states and 6183 transitions. [2020-07-17 13:35:10,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 13:35:10,450 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 221 [2020-07-17 13:35:10,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:35:10,479 INFO L225 Difference]: With dead ends: 4852 [2020-07-17 13:35:10,479 INFO L226 Difference]: Without dead ends: 2682 [2020-07-17 13:35:10,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1423 ImplicationChecksByTransitivity, 140.5s TimeCoverageRelationStatistics Valid=6852, Invalid=10440, Unknown=0, NotChecked=0, Total=17292 [2020-07-17 13:35:10,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2020-07-17 13:35:10,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 2106. [2020-07-17 13:35:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2106 states. [2020-07-17 13:35:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 2106 states and 2511 transitions. [2020-07-17 13:35:10,893 INFO L78 Accepts]: Start accepts. Automaton has 2106 states and 2511 transitions. Word has length 221 [2020-07-17 13:35:10,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:35:10,893 INFO L479 AbstractCegarLoop]: Abstraction has 2106 states and 2511 transitions. [2020-07-17 13:35:10,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 127 states. [2020-07-17 13:35:10,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2511 transitions. [2020-07-17 13:35:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-07-17 13:35:10,904 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:35:10,905 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:35:10,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 13:35:10,905 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:35:10,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:35:10,905 INFO L82 PathProgramCache]: Analyzing trace with hash 809620660, now seen corresponding path program 1 times [2020-07-17 13:35:10,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:35:10,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778382696] [2020-07-17 13:35:10,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:35:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:35:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:35:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:35:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:35:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:35:12,314 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:35:12,495 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:35:12,729 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:35:13,195 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:35:13,470 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:35:13,780 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:35:14,145 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:35:14,538 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 13:35:14,951 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:35:15,733 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 13:35:16,944 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:35:17,435 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:35:18,303 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-07-17 13:35:18,847 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:35:19,831 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 13:35:20,430 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:35:21,076 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:35:21,738 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:35:22,435 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:35:23,171 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:35:23,946 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:35:24,733 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:35:25,572 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-17 13:35:26,451 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:35:28,015 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 13:35:29,609 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:35:31,284 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-07-17 13:35:33,006 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2020-07-17 13:35:34,023 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:35:35,802 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:35:38,377 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:35:40,189 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:35:42,763 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:35:43,873 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:35:45,037 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 13:35:47,010 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2020-07-17 13:35:48,140 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:35:49,305 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 13:35:52,179 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:35:54,244 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:35:56,301 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2020-07-17 13:35:58,380 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:36:00,558 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 121 DAG size of output: 121 [2020-07-17 13:36:02,625 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-07-17 13:36:04,747 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-07-17 13:36:06,850 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:36:08,191 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-17 13:36:11,138 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2020-07-17 13:36:13,235 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2020-07-17 13:36:15,386 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-07-17 13:36:17,536 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:36:19,661 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2020-07-17 13:36:22,612 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:36:24,770 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:36:26,817 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-07-17 13:36:28,902 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2020-07-17 13:36:31,447 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 119 DAG size of output: 112 [2020-07-17 13:36:33,358 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:36:35,256 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:36:37,820 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:36:40,071 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2020-07-17 13:36:41,804 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:36:43,363 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-07-17 13:36:44,789 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2020-07-17 13:36:45,851 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-07-17 13:36:46,665 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:36:47,507 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:36:48,618 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:36:49,502 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:36:50,628 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:36:51,805 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:36:52,774 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:36:53,990 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-07-17 13:36:54,957 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:36:55,976 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:36:57,310 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:36:58,643 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:37:00,023 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:37:01,377 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:37:02,431 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:37:03,826 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:37:05,211 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 13:37:06,556 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:37:07,976 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 13:37:09,466 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 13:37:11,010 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 13:37:12,646 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:37:14,400 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:37:16,133 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:37:17,799 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 13:37:19,356 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2020-07-17 13:37:20,939 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:37:22,189 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 13:37:23,889 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:37:25,606 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:37:26,957 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:37:28,704 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-07-17 13:37:30,433 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:37:32,188 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:37:33,924 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 13:37:35,322 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:37:37,116 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:37:38,971 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:37:40,838 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:37:42,728 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:37:44,656 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 13:37:46,596 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:37:48,538 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 13:37:50,543 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 13:37:51,560 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2020-07-17 13:37:51,562 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:37:51,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778382696] [2020-07-17 13:37:51,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:37:51,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [132] imperfect sequences [] total 132 [2020-07-17 13:37:51,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084281459] [2020-07-17 13:37:51,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 133 states [2020-07-17 13:37:51,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:37:51,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2020-07-17 13:37:51,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6975, Invalid=10581, Unknown=0, NotChecked=0, Total=17556 [2020-07-17 13:37:51,567 INFO L87 Difference]: Start difference. First operand 2106 states and 2511 transitions. Second operand 133 states. [2020-07-17 13:37:51,994 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 13:37:54,615 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:37:54,938 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-07-17 13:37:55,079 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 13:37:55,267 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2020-07-17 13:37:55,651 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 87 [2020-07-17 13:37:55,953 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-07-17 13:37:56,448 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-07-17 13:37:56,854 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 98 [2020-07-17 13:37:57,367 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2020-07-17 13:37:58,013 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2020-07-17 13:37:58,753 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2020-07-17 13:37:59,297 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 103 [2020-07-17 13:37:59,691 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 96 [2020-07-17 13:38:00,386 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2020-07-17 13:38:01,259 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:38:02,018 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2020-07-17 13:38:02,260 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-07-17 13:38:03,138 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2020-07-17 13:38:03,344 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-07-17 13:38:03,854 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 101 [2020-07-17 13:38:04,447 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 107 [2020-07-17 13:38:04,599 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-17 13:38:05,543 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 134 [2020-07-17 13:38:05,712 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-07-17 13:38:06,923 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 137 [2020-07-17 13:38:07,607 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 105 [2020-07-17 13:38:08,229 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 111 [2020-07-17 13:38:09,314 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 140 [2020-07-17 13:38:09,582 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 43 [2020-07-17 13:38:10,370 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 111 [2020-07-17 13:38:11,625 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 141 [2020-07-17 13:38:12,070 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 13:38:12,305 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2020-07-17 13:38:12,848 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2020-07-17 13:38:13,262 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 45 [2020-07-17 13:38:14,553 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2020-07-17 13:38:15,927 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 146 DAG size of output: 143 [2020-07-17 13:38:17,044 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 114 [2020-07-17 13:38:18,347 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2020-07-17 13:38:19,917 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 148 DAG size of output: 146 [2020-07-17 13:38:21,102 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 123 [2020-07-17 13:38:21,277 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-07-17 13:38:22,690 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 149 DAG size of output: 147 [2020-07-17 13:38:24,392 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 150 DAG size of output: 148 [2020-07-17 13:38:24,782 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:38:26,353 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2020-07-17 13:38:26,796 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 89 [2020-07-17 13:38:28,534 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 153 DAG size of output: 150 [2020-07-17 13:38:29,047 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 109 [2020-07-17 13:38:30,223 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2020-07-17 13:38:31,962 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 156 DAG size of output: 153 [2020-07-17 13:38:33,240 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 156 DAG size of output: 120 [2020-07-17 13:38:35,044 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 157 DAG size of output: 154 [2020-07-17 13:38:36,418 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 160 DAG size of output: 124 [2020-07-17 13:38:38,329 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2020-07-17 13:38:38,942 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 112 [2020-07-17 13:38:40,888 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2020-07-17 13:38:42,104 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 126 [2020-07-17 13:38:43,220 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 113 [2020-07-17 13:38:45,218 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2020-07-17 13:38:47,342 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2020-07-17 13:38:48,117 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 116 [2020-07-17 13:38:50,448 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 162 DAG size of output: 159 [2020-07-17 13:38:51,007 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2020-07-17 13:38:53,207 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 162 DAG size of output: 159 [2020-07-17 13:38:53,832 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2020-07-17 13:38:54,721 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 126 [2020-07-17 13:38:56,966 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 162 DAG size of output: 159 [2020-07-17 13:38:57,427 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:38:58,344 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 129 [2020-07-17 13:39:00,790 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 162 DAG size of output: 159 [2020-07-17 13:39:03,115 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 162 DAG size of output: 159 [2020-07-17 13:39:05,491 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-07-17 13:39:05,987 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2020-07-17 13:39:08,406 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-07-17 13:39:09,569 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 122 [2020-07-17 13:39:10,784 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 127 [2020-07-17 13:39:13,218 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 166 DAG size of output: 162 [2020-07-17 13:39:14,619 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 169 DAG size of output: 128 [2020-07-17 13:39:17,149 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-07-17 13:39:18,622 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 152 DAG size of output: 126 [2020-07-17 13:39:21,268 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-07-17 13:39:21,791 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 13:39:21,936 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:39:24,593 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 168 DAG size of output: 162 [2020-07-17 13:39:27,685 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 169 DAG size of output: 163 [2020-07-17 13:39:29,357 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2020-07-17 13:39:31,907 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 167 DAG size of output: 161 [2020-07-17 13:39:32,192 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:39:33,749 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 156 DAG size of output: 130 [2020-07-17 13:39:34,975 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 125 [2020-07-17 13:39:37,624 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 168 DAG size of output: 162 [2020-07-17 13:39:37,807 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-07-17 13:39:37,968 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:39:39,666 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 160 DAG size of output: 133 [2020-07-17 13:39:40,850 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 124 [2020-07-17 13:39:42,126 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 125 [2020-07-17 13:39:44,803 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 168 DAG size of output: 162 [2020-07-17 13:39:44,983 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:39:48,030 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 171 DAG size of output: 165 [2020-07-17 13:39:49,575 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 164 DAG size of output: 141 [2020-07-17 13:39:52,425 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 169 DAG size of output: 162 [2020-07-17 13:39:52,817 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2020-07-17 13:39:55,521 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 169 DAG size of output: 162 [2020-07-17 13:39:56,462 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:39:59,245 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 168 DAG size of output: 162 [2020-07-17 13:40:00,507 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:40:03,367 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 167 DAG size of output: 161 [2020-07-17 13:40:06,240 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 167 DAG size of output: 161 [2020-07-17 13:40:06,555 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-07-17 13:40:09,355 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 167 DAG size of output: 161 [2020-07-17 13:40:09,701 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 88 [2020-07-17 13:40:13,354 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 165 DAG size of output: 158 [2020-07-17 13:40:17,120 WARN L193 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 166 DAG size of output: 159 [2020-07-17 13:40:17,627 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 97 [2020-07-17 13:40:19,040 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 166 DAG size of output: 126 [2020-07-17 13:40:22,251 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 159 DAG size of output: 151 [2020-07-17 13:40:23,939 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 165 DAG size of output: 142 [2020-07-17 13:40:25,008 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 126 [2020-07-17 13:40:26,873 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 169 DAG size of output: 143 [2020-07-17 13:40:27,505 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 102 [2020-07-17 13:40:29,714 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 154 DAG size of output: 147 [2020-07-17 13:40:30,764 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 106 [2020-07-17 13:40:32,703 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 143 DAG size of output: 142 [2020-07-17 13:40:33,980 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 115 [2020-07-17 13:40:35,270 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:40:37,053 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 167 DAG size of output: 140 [2020-07-17 13:40:37,806 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 99 [2020-07-17 13:40:38,879 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 126 [2020-07-17 13:40:40,184 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:40:41,274 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2020-07-17 13:40:43,156 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 165 DAG size of output: 134 [2020-07-17 13:40:44,304 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 78 [2020-07-17 13:40:45,739 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2020-07-17 13:40:46,465 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2020-07-17 13:40:47,901 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2020-07-17 13:40:49,685 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2020-07-17 13:40:50,902 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-07-17 13:40:52,775 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2020-07-17 13:40:54,521 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2020-07-17 13:40:56,318 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2020-07-17 13:40:57,706 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2020-07-17 13:40:59,367 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2020-07-17 13:41:01,180 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 127 DAG size of output: 126 [2020-07-17 13:41:03,127 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2020-07-17 13:41:05,119 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2020-07-17 13:41:06,964 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2020-07-17 13:41:08,436 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 161 DAG size of output: 114 [2020-07-17 13:41:10,370 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 166 DAG size of output: 135 [2020-07-17 13:41:12,328 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 129 DAG size of output: 128 [2020-07-17 13:41:13,925 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 134 [2020-07-17 13:41:15,834 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2020-07-17 13:41:17,948 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 129 DAG size of output: 128 [2020-07-17 13:41:18,906 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 104 [2020-07-17 13:41:20,988 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 129 DAG size of output: 128 [2020-07-17 13:41:22,676 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 165 DAG size of output: 117 [2020-07-17 13:41:24,854 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2020-07-17 13:41:26,808 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-07-17 13:41:28,847 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2020-07-17 13:41:31,112 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2020-07-17 13:41:32,123 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 104 [2020-07-17 13:41:34,322 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2020-07-17 13:41:35,474 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2020-07-17 13:41:36,458 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 108 [2020-07-17 13:41:38,707 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 132 DAG size of output: 130 [2020-07-17 13:41:40,042 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 112 [2020-07-17 13:41:42,299 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 133 DAG size of output: 131 [2020-07-17 13:41:43,372 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 109 [2020-07-17 13:41:45,847 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 134 DAG size of output: 132 [2020-07-17 13:41:47,194 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2020-07-17 13:41:48,304 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 110 [2020-07-17 13:41:50,682 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 133 DAG size of output: 131 [2020-07-17 13:41:53,070 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 132 DAG size of output: 129 [2020-07-17 13:41:54,636 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 168 DAG size of output: 124 [2020-07-17 13:41:55,794 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 109 [2020-07-17 13:41:57,318 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 117 [2020-07-17 13:41:59,721 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 134 DAG size of output: 130 [2020-07-17 13:42:02,320 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2020-07-17 13:42:03,583 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 109 [2020-07-17 13:42:05,194 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 118 [2020-07-17 13:42:07,549 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 133 DAG size of output: 128 [2020-07-17 13:42:10,094 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2020-07-17 13:42:11,720 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 118 [2020-07-17 13:42:12,850 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 110 [2020-07-17 13:42:15,432 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2020-07-17 13:42:17,955 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 133 DAG size of output: 128 [2020-07-17 13:42:19,623 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 166 DAG size of output: 124 [2020-07-17 13:42:22,433 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 134 DAG size of output: 129 [2020-07-17 13:42:24,246 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 119 [2020-07-17 13:42:27,064 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2020-07-17 13:42:28,812 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 119 [2020-07-17 13:42:30,130 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 111 [2020-07-17 13:42:32,846 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2020-07-17 13:42:35,691 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2020-07-17 13:42:38,042 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 129 DAG size of output: 119 [2020-07-17 13:42:40,945 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 136 DAG size of output: 131 [2020-07-17 13:42:43,390 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 130 DAG size of output: 120 [2020-07-17 13:42:46,321 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 136 DAG size of output: 131 [2020-07-17 13:42:48,935 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 131 DAG size of output: 121 [2020-07-17 13:42:51,896 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 137 DAG size of output: 131 [2020-07-17 13:42:54,630 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2020-07-17 13:42:55,050 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2020-07-17 13:42:57,833 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 133 DAG size of output: 123 [2020-07-17 13:43:00,839 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 134 DAG size of output: 124 [2020-07-17 13:43:02,731 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 167 DAG size of output: 125 [2020-07-17 13:43:05,660 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 133 DAG size of output: 123 [2020-07-17 13:43:07,188 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 144 DAG size of output: 126 [2020-07-17 13:43:09,532 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2020-07-17 13:43:10,091 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-07-17 13:43:12,648 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 135 DAG size of output: 122 [2020-07-17 13:43:14,935 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 133 DAG size of output: 121 [2020-07-17 13:43:17,488 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2020-07-17 13:43:18,601 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 98 [2020-07-17 13:43:21,122 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 134 DAG size of output: 122 [2020-07-17 13:43:24,102 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2020-07-17 13:43:26,862 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 136 DAG size of output: 123 [2020-07-17 13:43:29,816 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 137 DAG size of output: 124 [2020-07-17 13:43:31,842 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 98 [2020-07-17 13:43:33,224 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 103 [2020-07-17 13:43:34,473 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 103 [2020-07-17 13:43:36,215 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 107 [2020-07-17 13:43:37,237 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:43:37,732 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2020-07-17 13:43:38,529 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:43:39,074 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2020-07-17 13:43:39,253 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-07-17 13:43:39,424 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-07-17 13:43:39,708 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-07-17 13:43:40,048 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-07-17 13:43:40,250 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2020-07-17 13:43:40,432 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-07-17 13:43:40,654 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:43:40,812 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-07-17 13:43:41,935 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-07-17 13:43:42,401 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2020-07-17 13:43:44,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:43:44,477 INFO L93 Difference]: Finished difference Result 7600 states and 9097 transitions. [2020-07-17 13:43:44,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2020-07-17 13:43:44,481 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 228 [2020-07-17 13:43:44,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:43:44,510 INFO L225 Difference]: With dead ends: 7600 [2020-07-17 13:43:44,510 INFO L226 Difference]: Without dead ends: 3340 [2020-07-17 13:43:44,545 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 435 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62883 ImplicationChecksByTransitivity, 487.5s TimeCoverageRelationStatistics Valid=39688, Invalid=150844, Unknown=0, NotChecked=0, Total=190532 [2020-07-17 13:43:44,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2020-07-17 13:43:44,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2132. [2020-07-17 13:43:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2020-07-17 13:43:44,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2531 transitions. [2020-07-17 13:43:44,916 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2531 transitions. Word has length 228 [2020-07-17 13:43:44,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:43:44,916 INFO L479 AbstractCegarLoop]: Abstraction has 2132 states and 2531 transitions. [2020-07-17 13:43:44,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 133 states. [2020-07-17 13:43:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2531 transitions. [2020-07-17 13:43:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-07-17 13:43:44,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:43:44,927 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:43:44,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 13:43:44,928 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:43:44,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:43:44,928 INFO L82 PathProgramCache]: Analyzing trace with hash 231451405, now seen corresponding path program 1 times [2020-07-17 13:43:44,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:43:44,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066198928] [2020-07-17 13:43:44,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:43:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:45,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 13:43:45,873 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2020-07-17 13:43:46,986 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 13:43:47,301 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:43:47,643 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:43:48,432 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-07-17 13:43:48,895 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:43:49,427 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:43:50,039 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:43:50,750 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:43:51,454 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 84