/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/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 17:34:43,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 17:34:43,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 17:34:43,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-09-04 17:34:43,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 17:34:43,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 17:34:43,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 17:34:43,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 17:34:43,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 17:34:43,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 17:34:43,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 17:34:43,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 17:34:43,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 17:34:43,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 17:34:43,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 17:34:43,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 17:34:43,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 17:34:43,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 17:34:43,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 17:34:43,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 17:34:43,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 17:34:43,314 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 17:34:43,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 17:34:43,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 17:34:43,316 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 17:34:43,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 17:34:43,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 17:34:43,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 17:34:43,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 17:34:43,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 17:34:43,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 17:34:43,318 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 17:34:43,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 17:34:43,318 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 17:34:43,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 17:34:43,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 17:34:43,319 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 17:34:43,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 17:34:43,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 17:34:43,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 17:34:43,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 17:34:43,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 17:34:43,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 17:34:43,321 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 17:34:43,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 17:34:43,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 17:34:43,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 17:34:43,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 17:34:43,759 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 17:34:43,766 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-09-04 17:34:43,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa23f9ca4/95963479014e4746bcebd742dd5a9137/FLAG7b2b45926 [2020-09-04 17:34:44,500 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 17:34:44,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-09-04 17:34:44,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa23f9ca4/95963479014e4746bcebd742dd5a9137/FLAG7b2b45926 [2020-09-04 17:34:44,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa23f9ca4/95963479014e4746bcebd742dd5a9137 [2020-09-04 17:34:44,742 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 17:34:44,745 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 17:34:44,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 17:34:44,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 17:34:44,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 17:34:44,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:34:44" (1/1) ... [2020-09-04 17:34:44,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e7c163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:34:44, skipping insertion in model container [2020-09-04 17:34:44,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:34:44" (1/1) ... [2020-09-04 17:34:44,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 17:34:44,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 17:34:45,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 17:34:45,351 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 17:34:45,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 17:34:45,634 INFO L208 MainTranslator]: Completed translation [2020-09-04 17:34:45,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:34:45 WrapperNode [2020-09-04 17:34:45,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 17:34:45,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 17:34:45,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 17:34:45,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 17:34:45,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:34:45" (1/1) ... [2020-09-04 17:34:45,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:34:45" (1/1) ... [2020-09-04 17:34:45,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:34:45" (1/1) ... [2020-09-04 17:34:45,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:34:45" (1/1) ... [2020-09-04 17:34:45,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:34:45" (1/1) ... [2020-09-04 17:34:45,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:34:45" (1/1) ... [2020-09-04 17:34:45,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:34:45" (1/1) ... [2020-09-04 17:34:45,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 17:34:45,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 17:34:45,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 17:34:45,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 17:34:45,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:34:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 17:34:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 17:34:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 17:34:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 17:34:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 17:34:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 17:34:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 17:34:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 17:34:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 17:34:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 17:34:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 17:34:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 17:34:47,655 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 17:34:47,656 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 17:34:47,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:34:47 BoogieIcfgContainer [2020-09-04 17:34:47,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 17:34:47,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 17:34:47,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 17:34:47,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 17:34:47,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 05:34:44" (1/3) ... [2020-09-04 17:34:47,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f385118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:34:47, skipping insertion in model container [2020-09-04 17:34:47,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:34:45" (2/3) ... [2020-09-04 17:34:47,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f385118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:34:47, skipping insertion in model container [2020-09-04 17:34:47,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:34:47" (3/3) ... [2020-09-04 17:34:47,678 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-09-04 17:34:47,689 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 17:34:47,700 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 17:34:47,720 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 17:34:47,747 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 17:34:47,747 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 17:34:47,747 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 17:34:47,747 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 17:34:47,747 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 17:34:47,747 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 17:34:47,747 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 17:34:47,748 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 17:34:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states. [2020-09-04 17:34:47,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-04 17:34:47,793 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:34:47,794 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] [2020-09-04 17:34:47,795 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:34:47,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:34:47,801 INFO L82 PathProgramCache]: Analyzing trace with hash -496136462, now seen corresponding path program 1 times [2020-09-04 17:34:47,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:34:47,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489146490] [2020-09-04 17:34:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:34:47,880 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:34:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:34:48,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:34:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:34:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:34:48,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489146490] [2020-09-04 17:34:48,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:34:48,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 17:34:48,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406307292] [2020-09-04 17:34:48,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 17:34:48,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:34:48,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 17:34:48,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 17:34:48,250 INFO L87 Difference]: Start difference. First operand 678 states. Second operand 5 states. [2020-09-04 17:34:52,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:34:52,082 INFO L93 Difference]: Finished difference Result 1766 states and 2493 transitions. [2020-09-04 17:34:52,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 17:34:52,084 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-09-04 17:34:52,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:34:52,115 INFO L225 Difference]: With dead ends: 1766 [2020-09-04 17:34:52,115 INFO L226 Difference]: Without dead ends: 1025 [2020-09-04 17:34:52,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 17:34:52,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2020-09-04 17:34:52,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 995. [2020-09-04 17:34:52,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 995 states. [2020-09-04 17:34:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1343 transitions. [2020-09-04 17:34:52,330 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1343 transitions. Word has length 69 [2020-09-04 17:34:52,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:34:52,331 INFO L479 AbstractCegarLoop]: Abstraction has 995 states and 1343 transitions. [2020-09-04 17:34:52,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 17:34:52,332 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1343 transitions. [2020-09-04 17:34:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-04 17:34:52,342 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:34:52,342 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, 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] [2020-09-04 17:34:52,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 17:34:52,343 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:34:52,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:34:52,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1110466945, now seen corresponding path program 1 times [2020-09-04 17:34:52,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:34:52,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648601497] [2020-09-04 17:34:52,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:34:52,405 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:34:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:34:52,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:34:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:34:52,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 17:34:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:34:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:34:52,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648601497] [2020-09-04 17:34:52,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:34:52,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 17:34:52,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278929135] [2020-09-04 17:34:52,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 17:34:52,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:34:52,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 17:34:52,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 17:34:52,759 INFO L87 Difference]: Start difference. First operand 995 states and 1343 transitions. Second operand 8 states. [2020-09-04 17:34:56,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:34:56,322 INFO L93 Difference]: Finished difference Result 2228 states and 3074 transitions. [2020-09-04 17:34:56,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 17:34:56,323 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-09-04 17:34:56,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:34:56,336 INFO L225 Difference]: With dead ends: 2228 [2020-09-04 17:34:56,336 INFO L226 Difference]: Without dead ends: 1248 [2020-09-04 17:34:56,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-04 17:34:56,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2020-09-04 17:34:56,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1001. [2020-09-04 17:34:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1001 states. [2020-09-04 17:34:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1253 transitions. [2020-09-04 17:34:56,437 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1253 transitions. Word has length 153 [2020-09-04 17:34:56,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:34:56,438 INFO L479 AbstractCegarLoop]: Abstraction has 1001 states and 1253 transitions. [2020-09-04 17:34:56,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 17:34:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1253 transitions. [2020-09-04 17:34:56,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-04 17:34:56,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:34:56,442 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, 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] [2020-09-04 17:34:56,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 17:34:56,443 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:34:56,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:34:56,443 INFO L82 PathProgramCache]: Analyzing trace with hash -2042415941, now seen corresponding path program 1 times [2020-09-04 17:34:56,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:34:56,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1295976542] [2020-09-04 17:34:56,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:34:56,476 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:34:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:34:56,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:34:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:34:56,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 17:34:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:34:56,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:34:56,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1295976542] [2020-09-04 17:34:56,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:34:56,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 17:34:56,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023409230] [2020-09-04 17:34:56,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 17:34:56,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:34:56,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 17:34:56,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-04 17:34:56,850 INFO L87 Difference]: Start difference. First operand 1001 states and 1253 transitions. Second operand 9 states. [2020-09-04 17:35:01,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:35:01,557 INFO L93 Difference]: Finished difference Result 2437 states and 3097 transitions. [2020-09-04 17:35:01,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-04 17:35:01,559 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-09-04 17:35:01,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:35:01,574 INFO L225 Difference]: With dead ends: 2437 [2020-09-04 17:35:01,574 INFO L226 Difference]: Without dead ends: 1451 [2020-09-04 17:35:01,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-09-04 17:35:01,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2020-09-04 17:35:01,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1194. [2020-09-04 17:35:01,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-09-04 17:35:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1467 transitions. [2020-09-04 17:35:01,715 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1467 transitions. Word has length 163 [2020-09-04 17:35:01,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:35:01,717 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 1467 transitions. [2020-09-04 17:35:01,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 17:35:01,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1467 transitions. [2020-09-04 17:35:01,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-09-04 17:35:01,725 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:35:01,725 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 17:35:01,725 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 17:35:01,726 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:35:01,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:35:01,726 INFO L82 PathProgramCache]: Analyzing trace with hash 452640985, now seen corresponding path program 1 times [2020-09-04 17:35:01,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:35:01,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049337969] [2020-09-04 17:35:01,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:35:01,756 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:35:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:01,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:35:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:01,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 17:35:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:02,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 17:35:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:35:02,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049337969] [2020-09-04 17:35:02,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:35:02,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 17:35:02,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833633043] [2020-09-04 17:35:02,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 17:35:02,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:35:02,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 17:35:02,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-04 17:35:02,286 INFO L87 Difference]: Start difference. First operand 1194 states and 1467 transitions. Second operand 9 states. [2020-09-04 17:35:07,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:35:07,152 INFO L93 Difference]: Finished difference Result 2478 states and 3100 transitions. [2020-09-04 17:35:07,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-04 17:35:07,153 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 246 [2020-09-04 17:35:07,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:35:07,164 INFO L225 Difference]: With dead ends: 2478 [2020-09-04 17:35:07,164 INFO L226 Difference]: Without dead ends: 1490 [2020-09-04 17:35:07,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-09-04 17:35:07,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2020-09-04 17:35:07,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1435. [2020-09-04 17:35:07,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1435 states. [2020-09-04 17:35:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1736 transitions. [2020-09-04 17:35:07,303 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1736 transitions. Word has length 246 [2020-09-04 17:35:07,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:35:07,304 INFO L479 AbstractCegarLoop]: Abstraction has 1435 states and 1736 transitions. [2020-09-04 17:35:07,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 17:35:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1736 transitions. [2020-09-04 17:35:07,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-09-04 17:35:07,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:35:07,309 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 17:35:07,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 17:35:07,309 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:35:07,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:35:07,310 INFO L82 PathProgramCache]: Analyzing trace with hash -144439824, now seen corresponding path program 1 times [2020-09-04 17:35:07,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:35:07,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457043261] [2020-09-04 17:35:07,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:35:07,339 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:35:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:07,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:35:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:07,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 17:35:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:07,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-04 17:35:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:35:08,040 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457043261] [2020-09-04 17:35:08,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:35:08,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 17:35:08,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620004303] [2020-09-04 17:35:08,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 17:35:08,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:35:08,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 17:35:08,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-04 17:35:08,043 INFO L87 Difference]: Start difference. First operand 1435 states and 1736 transitions. Second operand 11 states. [2020-09-04 17:35:13,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:35:13,804 INFO L93 Difference]: Finished difference Result 3479 states and 4213 transitions. [2020-09-04 17:35:13,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-04 17:35:13,805 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 256 [2020-09-04 17:35:13,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:35:13,820 INFO L225 Difference]: With dead ends: 3479 [2020-09-04 17:35:13,820 INFO L226 Difference]: Without dead ends: 2102 [2020-09-04 17:35:13,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2020-09-04 17:35:13,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2020-09-04 17:35:14,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 1841. [2020-09-04 17:35:14,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1841 states. [2020-09-04 17:35:14,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2165 transitions. [2020-09-04 17:35:14,047 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2165 transitions. Word has length 256 [2020-09-04 17:35:14,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:35:14,047 INFO L479 AbstractCegarLoop]: Abstraction has 1841 states and 2165 transitions. [2020-09-04 17:35:14,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 17:35:14,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2165 transitions. [2020-09-04 17:35:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-04 17:35:14,052 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:35:14,053 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 17:35:14,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 17:35:14,053 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:35:14,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:35:14,054 INFO L82 PathProgramCache]: Analyzing trace with hash -413630622, now seen corresponding path program 1 times [2020-09-04 17:35:14,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:35:14,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534062700] [2020-09-04 17:35:14,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:35:14,090 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:35:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:35:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:14,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 17:35:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:14,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 17:35:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:35:14,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534062700] [2020-09-04 17:35:14,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:35:14,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 17:35:14,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484599035] [2020-09-04 17:35:14,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 17:35:14,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:35:14,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 17:35:14,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-04 17:35:14,637 INFO L87 Difference]: Start difference. First operand 1841 states and 2165 transitions. Second operand 10 states. [2020-09-04 17:35:23,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:35:23,314 INFO L93 Difference]: Finished difference Result 5966 states and 7467 transitions. [2020-09-04 17:35:23,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-04 17:35:23,317 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 281 [2020-09-04 17:35:23,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:35:23,349 INFO L225 Difference]: With dead ends: 5966 [2020-09-04 17:35:23,349 INFO L226 Difference]: Without dead ends: 4331 [2020-09-04 17:35:23,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=210, Invalid=782, Unknown=0, NotChecked=0, Total=992 [2020-09-04 17:35:23,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2020-09-04 17:35:23,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 3828. [2020-09-04 17:35:23,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3828 states. [2020-09-04 17:35:23,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3828 states and 4542 transitions. [2020-09-04 17:35:23,980 INFO L78 Accepts]: Start accepts. Automaton has 3828 states and 4542 transitions. Word has length 281 [2020-09-04 17:35:23,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:35:23,980 INFO L479 AbstractCegarLoop]: Abstraction has 3828 states and 4542 transitions. [2020-09-04 17:35:23,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 17:35:23,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3828 states and 4542 transitions. [2020-09-04 17:35:24,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2020-09-04 17:35:24,003 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:35:24,004 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-09-04 17:35:24,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 17:35:24,004 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:35:24,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:35:24,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1701663168, now seen corresponding path program 1 times [2020-09-04 17:35:24,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:35:24,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951097846] [2020-09-04 17:35:24,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:35:24,047 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:35:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:24,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:35:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:24,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 17:35:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:24,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 17:35:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:24,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-04 17:35:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:24,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-04 17:35:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:24,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-09-04 17:35:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:25,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:35:25,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951097846] [2020-09-04 17:35:25,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:35:25,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 17:35:25,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838244969] [2020-09-04 17:35:25,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 17:35:25,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:35:25,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 17:35:25,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-09-04 17:35:25,885 INFO L87 Difference]: Start difference. First operand 3828 states and 4542 transitions. Second operand 13 states. [2020-09-04 17:35:33,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:35:33,002 INFO L93 Difference]: Finished difference Result 9191 states and 11371 transitions. [2020-09-04 17:35:33,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 17:35:33,003 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 677 [2020-09-04 17:35:33,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:35:33,042 INFO L225 Difference]: With dead ends: 9191 [2020-09-04 17:35:33,042 INFO L226 Difference]: Without dead ends: 5684 [2020-09-04 17:35:33,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2020-09-04 17:35:33,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5684 states. [2020-09-04 17:35:33,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5684 to 5602. [2020-09-04 17:35:33,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5602 states. [2020-09-04 17:35:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5602 states to 5602 states and 6893 transitions. [2020-09-04 17:35:33,899 INFO L78 Accepts]: Start accepts. Automaton has 5602 states and 6893 transitions. Word has length 677 [2020-09-04 17:35:33,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:35:33,900 INFO L479 AbstractCegarLoop]: Abstraction has 5602 states and 6893 transitions. [2020-09-04 17:35:33,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 17:35:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 5602 states and 6893 transitions. [2020-09-04 17:35:33,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2020-09-04 17:35:33,928 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:35:33,929 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 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] [2020-09-04 17:35:33,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 17:35:33,929 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:35:33,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:35:33,930 INFO L82 PathProgramCache]: Analyzing trace with hash 912169590, now seen corresponding path program 1 times [2020-09-04 17:35:33,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:35:33,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110418313] [2020-09-04 17:35:33,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:35:33,968 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:35:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:34,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:35:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:34,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 17:35:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:34,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 17:35:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:34,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-04 17:35:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:34,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-09-04 17:35:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:34,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-04 17:35:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:34,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-09-04 17:35:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:35:35,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110418313] [2020-09-04 17:35:35,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:35:35,041 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 17:35:35,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332661473] [2020-09-04 17:35:35,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 17:35:35,042 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:35:35,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 17:35:35,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 17:35:35,043 INFO L87 Difference]: Start difference. First operand 5602 states and 6893 transitions. Second operand 7 states. [2020-09-04 17:35:39,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:35:39,230 INFO L93 Difference]: Finished difference Result 12136 states and 15208 transitions. [2020-09-04 17:35:39,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 17:35:39,231 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 691 [2020-09-04 17:35:39,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:35:39,271 INFO L225 Difference]: With dead ends: 12136 [2020-09-04 17:35:39,271 INFO L226 Difference]: Without dead ends: 6931 [2020-09-04 17:35:39,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-04 17:35:39,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6931 states. [2020-09-04 17:35:40,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6931 to 6707. [2020-09-04 17:35:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6707 states. [2020-09-04 17:35:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 8222 transitions. [2020-09-04 17:35:40,132 INFO L78 Accepts]: Start accepts. Automaton has 6707 states and 8222 transitions. Word has length 691 [2020-09-04 17:35:40,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:35:40,133 INFO L479 AbstractCegarLoop]: Abstraction has 6707 states and 8222 transitions. [2020-09-04 17:35:40,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 17:35:40,133 INFO L276 IsEmpty]: Start isEmpty. Operand 6707 states and 8222 transitions. [2020-09-04 17:35:40,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2020-09-04 17:35:40,153 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:35:40,153 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 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] [2020-09-04 17:35:40,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 17:35:40,154 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:35:40,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:35:40,155 INFO L82 PathProgramCache]: Analyzing trace with hash 792464542, now seen corresponding path program 1 times [2020-09-04 17:35:40,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:35:40,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175909808] [2020-09-04 17:35:40,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:35:40,202 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:35:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:40,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:35:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:40,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 17:35:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:40,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 17:35:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:40,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-04 17:35:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:40,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2020-09-04 17:35:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:40,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 17:35:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:41,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2020-09-04 17:35:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:41,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:35:41,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175909808] [2020-09-04 17:35:41,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:35:41,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 17:35:41,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812556806] [2020-09-04 17:35:41,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 17:35:41,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:35:41,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 17:35:41,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-09-04 17:35:41,886 INFO L87 Difference]: Start difference. First operand 6707 states and 8222 transitions. Second operand 15 states. [2020-09-04 17:35:49,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:35:49,724 INFO L93 Difference]: Finished difference Result 13806 states and 16936 transitions. [2020-09-04 17:35:49,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 17:35:49,725 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 833 [2020-09-04 17:35:49,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:35:49,763 INFO L225 Difference]: With dead ends: 13806 [2020-09-04 17:35:49,763 INFO L226 Difference]: Without dead ends: 7425 [2020-09-04 17:35:49,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=221, Invalid=771, Unknown=0, NotChecked=0, Total=992 [2020-09-04 17:35:49,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7425 states. [2020-09-04 17:35:51,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7425 to 6582. [2020-09-04 17:35:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6582 states. [2020-09-04 17:35:51,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6582 states to 6582 states and 8044 transitions. [2020-09-04 17:35:51,211 INFO L78 Accepts]: Start accepts. Automaton has 6582 states and 8044 transitions. Word has length 833 [2020-09-04 17:35:51,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:35:51,212 INFO L479 AbstractCegarLoop]: Abstraction has 6582 states and 8044 transitions. [2020-09-04 17:35:51,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 17:35:51,212 INFO L276 IsEmpty]: Start isEmpty. Operand 6582 states and 8044 transitions. [2020-09-04 17:35:51,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 849 [2020-09-04 17:35:51,229 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:35:51,230 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 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] [2020-09-04 17:35:51,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 17:35:51,230 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:35:51,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:35:51,231 INFO L82 PathProgramCache]: Analyzing trace with hash -434183850, now seen corresponding path program 1 times [2020-09-04 17:35:51,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:35:51,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1991324113] [2020-09-04 17:35:51,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:35:51,273 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:35:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:51,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:35:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:51,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 17:35:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:51,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 17:35:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:51,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-04 17:35:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:51,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2020-09-04 17:35:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:51,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-09-04 17:35:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:51,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2020-09-04 17:35:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:35:52,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1991324113] [2020-09-04 17:35:52,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:35:52,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 17:35:52,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218890486] [2020-09-04 17:35:52,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 17:35:52,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:35:52,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 17:35:52,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 17:35:52,142 INFO L87 Difference]: Start difference. First operand 6582 states and 8044 transitions. Second operand 5 states. [2020-09-04 17:35:56,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:35:56,387 INFO L93 Difference]: Finished difference Result 15339 states and 19151 transitions. [2020-09-04 17:35:56,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 17:35:56,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 848 [2020-09-04 17:35:56,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:35:56,422 INFO L225 Difference]: With dead ends: 15339 [2020-09-04 17:35:56,422 INFO L226 Difference]: Without dead ends: 9154 [2020-09-04 17:35:56,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-04 17:35:56,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9154 states. [2020-09-04 17:35:57,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9154 to 8305. [2020-09-04 17:35:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8305 states. [2020-09-04 17:35:57,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8305 states to 8305 states and 9992 transitions. [2020-09-04 17:35:57,289 INFO L78 Accepts]: Start accepts. Automaton has 8305 states and 9992 transitions. Word has length 848 [2020-09-04 17:35:57,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:35:57,290 INFO L479 AbstractCegarLoop]: Abstraction has 8305 states and 9992 transitions. [2020-09-04 17:35:57,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 17:35:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 8305 states and 9992 transitions. [2020-09-04 17:35:57,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2020-09-04 17:35:57,311 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:35:57,312 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 17:35:57,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 17:35:57,313 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:35:57,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:35:57,313 INFO L82 PathProgramCache]: Analyzing trace with hash -184702077, now seen corresponding path program 1 times [2020-09-04 17:35:57,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:35:57,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208279453] [2020-09-04 17:35:57,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:35:57,351 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:35:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:57,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:35:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:57,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 17:35:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:57,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 17:35:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:57,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-04 17:35:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:57,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-09-04 17:35:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:58,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2020-09-04 17:35:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:58,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2020-09-04 17:35:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:35:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:35:59,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208279453] [2020-09-04 17:35:59,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:35:59,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 17:35:59,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234770574] [2020-09-04 17:35:59,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 17:35:59,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:35:59,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 17:35:59,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-09-04 17:35:59,126 INFO L87 Difference]: Start difference. First operand 8305 states and 9992 transitions. Second operand 15 states. [2020-09-04 17:36:06,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:36:06,789 INFO L93 Difference]: Finished difference Result 16719 states and 20157 transitions. [2020-09-04 17:36:06,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 17:36:06,790 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 907 [2020-09-04 17:36:06,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:36:06,827 INFO L225 Difference]: With dead ends: 16719 [2020-09-04 17:36:06,827 INFO L226 Difference]: Without dead ends: 8744 [2020-09-04 17:36:06,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=221, Invalid=771, Unknown=0, NotChecked=0, Total=992 [2020-09-04 17:36:06,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8744 states. [2020-09-04 17:36:07,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8744 to 8283. [2020-09-04 17:36:07,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8283 states. [2020-09-04 17:36:07,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8283 states to 8283 states and 9956 transitions. [2020-09-04 17:36:07,740 INFO L78 Accepts]: Start accepts. Automaton has 8283 states and 9956 transitions. Word has length 907 [2020-09-04 17:36:07,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:36:07,740 INFO L479 AbstractCegarLoop]: Abstraction has 8283 states and 9956 transitions. [2020-09-04 17:36:07,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 17:36:07,741 INFO L276 IsEmpty]: Start isEmpty. Operand 8283 states and 9956 transitions. [2020-09-04 17:36:07,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2020-09-04 17:36:07,761 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:36:07,762 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 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, 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] [2020-09-04 17:36:07,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 17:36:07,762 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:36:07,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:36:07,763 INFO L82 PathProgramCache]: Analyzing trace with hash 970560772, now seen corresponding path program 1 times [2020-09-04 17:36:07,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:36:07,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710702878] [2020-09-04 17:36:07,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:36:07,806 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:36:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:36:08,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:36:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:36:08,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 17:36:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:36:08,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 17:36:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:36:08,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-04 17:36:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:36:08,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2020-09-04 17:36:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:36:08,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-09-04 17:36:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:36:08,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2020-09-04 17:36:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:36:08,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:36:08,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710702878] [2020-09-04 17:36:08,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:36:08,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 17:36:08,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876836640] [2020-09-04 17:36:08,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 17:36:08,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:36:08,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 17:36:08,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 17:36:08,926 INFO L87 Difference]: Start difference. First operand 8283 states and 9956 transitions. Second operand 8 states. [2020-09-04 17:36:18,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:36:18,282 INFO L93 Difference]: Finished difference Result 21331 states and 26408 transitions. [2020-09-04 17:36:18,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 17:36:18,284 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 909 [2020-09-04 17:36:18,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:36:18,302 INFO L225 Difference]: With dead ends: 21331 [2020-09-04 17:36:18,302 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 17:36:18,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-09-04 17:36:18,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 17:36:18,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 17:36:18,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 17:36:18,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 17:36:18,370 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 909 [2020-09-04 17:36:18,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:36:18,371 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 17:36:18,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 17:36:18,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 17:36:18,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 17:36:18,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 17:36:18,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 17:36:22,281 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 53 [2020-09-04 17:36:23,069 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 17:36:24,671 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 17:36:30,056 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 17:36:41,269 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2020-09-04 17:36:41,414 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:36:41,564 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:36:41,704 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2020-09-04 17:36:41,853 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-09-04 17:36:42,000 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:36:42,291 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:36:42,444 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:36:42,597 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:36:42,788 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:36:43,023 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:36:43,168 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-09-04 17:37:29,864 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 17:37:57,766 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2020-09-04 17:38:11,937 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-09-04 17:38:12,067 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:38:12,202 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:38:12,331 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-09-04 17:38:12,463 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:38:12,593 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:38:12,720 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-09-04 17:38:12,852 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:38:12,985 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-09-04 17:38:13,120 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:38:13,257 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-09-04 17:38:13,415 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:38:13,546 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:38:13,688 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:38:13,821 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:38:13,948 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:38:22,417 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-09-04 17:38:34,150 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:38:34,359 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:38:34,485 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:38:34,608 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:38:34,804 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:38:34,986 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:38:35,398 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:38:35,605 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:38:35,727 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:38:36,025 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 17:38:36,154 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:38:36,291 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 17:38:36,413 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:38:36,538 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:38:36,669 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:38:36,959 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 17:38:37,090 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 17:38:37,216 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:38:37,426 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 17:38:37,633 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:38:50,809 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:38:50,983 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:38:51,163 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:51,349 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:51,529 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:51,702 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:38:51,875 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:38:52,048 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:38:52,231 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:52,413 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:52,592 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:52,765 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:38:52,948 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:53,131 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:53,308 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:38:53,490 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:53,672 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:53,847 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:38:54,028 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:54,218 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-09-04 17:38:54,405 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-09-04 17:38:54,588 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:54,772 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-09-04 17:38:54,947 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:38:55,127 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:55,316 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:55,498 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:55,680 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:55,870 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-09-04 17:38:56,055 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-09-04 17:38:56,233 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:38:56,414 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:56,598 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-09-04 17:38:56,780 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:38:56,960 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 17:39:12,788 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2020-09-04 17:40:19,960 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2020-09-04 17:40:20,105 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:40:20,255 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:40:20,395 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2020-09-04 17:40:20,544 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-09-04 17:40:20,691 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:40:20,909 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:40:21,059 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:40:21,211 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:40:21,385 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:40:21,616 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 17:40:21,761 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-09-04 17:40:40,813 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 17:41:36,915 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2020-09-04 17:42:08,769 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2020-09-04 17:42:23,984 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-09-04 17:42:24,113 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:42:24,249 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:42:24,378 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-09-04 17:42:24,509 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:42:24,642 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:42:24,769 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-09-04 17:42:24,900 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:42:25,034 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-09-04 17:42:25,169 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:42:25,306 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-09-04 17:42:25,465 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:42:25,596 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:42:25,738 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:42:25,881 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 17:42:26,009 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 17:42:38,801 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-09-04 17:42:41,488 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-09-04 17:42:41,627 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:42:41,766 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:42:41,894 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-09-04 17:42:42,025 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-09-04 17:42:42,164 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:42:42,290 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-09-04 17:42:42,425 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:42:42,558 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:42:42,697 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:42:42,836 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:42:42,998 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:42:43,132 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:42:43,274 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:42:43,410 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:42:43,514 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-09-04 17:42:59,769 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:42:59,978 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:43:00,103 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:43:00,223 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:43:00,420 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:43:00,601 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:43:01,009 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:43:01,216 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:43:01,338 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:43:01,643 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 17:43:01,773 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:43:01,905 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 17:43:02,028 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:43:02,153 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:43:02,285 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:43:02,578 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 17:43:02,709 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 17:43:02,836 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 17:43:03,049 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 17:43:03,257 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 17:43:07,703 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2020-09-04 17:43:25,898 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 17:43:45,151 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 147 [2020-09-04 17:43:45,433 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 141 [2020-09-04 17:43:45,637 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 135 [2020-09-04 17:43:45,850 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 139 [2020-09-04 17:43:46,188 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 147 [2020-09-04 17:43:46,429 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 124 [2020-09-04 17:43:46,556 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 106 [2020-09-04 17:43:47,194 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 151 [2020-09-04 17:43:47,412 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2020-09-04 17:43:47,649 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 135 [2020-09-04 17:43:47,848 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-09-04 17:43:48,166 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 152 [2020-09-04 17:43:48,419 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 126 [2020-09-04 17:43:48,836 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 160 [2020-09-04 17:43:49,119 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 124 [2020-09-04 17:43:49,369 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 113 [2020-09-04 17:43:49,601 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 135 [2020-09-04 17:43:49,793 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 139 [2020-09-04 17:43:50,476 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-09-04 17:43:51,149 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 180 [2020-09-04 17:43:51,291 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2020-09-04 17:43:51,623 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2020-09-04 17:43:52,054 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 151 [2020-09-04 17:43:52,529 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 152 [2020-09-04 17:43:52,814 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 147 [2020-09-04 17:43:53,045 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 123 [2020-09-04 17:43:53,224 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 124 [2020-09-04 17:43:53,830 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 172 [2020-09-04 17:43:54,156 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 137 [2020-09-04 17:43:54,506 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 121 [2020-09-04 17:43:54,742 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 138 [2020-09-04 17:43:55,029 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 104 [2020-09-04 17:43:55,250 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 131 [2020-09-04 17:43:55,467 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 111 [2020-09-04 17:43:55,629 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 106 [2020-09-04 17:43:55,771 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 108 [2020-09-04 17:43:56,316 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 169 [2020-09-04 17:43:56,497 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 130 [2020-09-04 17:43:56,719 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2020-09-04 17:43:57,018 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2020-09-04 17:43:57,190 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 96 [2020-09-04 17:43:57,553 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 147 [2020-09-04 17:43:58,377 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 198 [2020-09-04 17:43:58,501 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 115 [2020-09-04 17:43:58,661 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 111 [2020-09-04 17:43:58,889 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 117 [2020-09-04 17:43:59,041 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2020-09-04 17:43:59,174 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 109 [2020-09-04 17:43:59,486 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2020-09-04 17:43:59,664 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2020-09-04 17:44:00,010 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 147 [2020-09-04 17:44:00,691 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-09-04 17:44:00,836 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 114 [2020-09-04 17:44:00,973 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 112 [2020-09-04 17:44:01,103 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 109 [2020-09-04 17:44:01,515 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 152 [2020-09-04 17:44:02,044 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 169 [2020-09-04 17:44:02,159 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2020-09-04 17:44:04,821 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 147 [2020-09-04 17:44:05,104 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 141 [2020-09-04 17:44:05,309 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 135 [2020-09-04 17:44:05,521 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 139 [2020-09-04 17:44:05,852 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 147 [2020-09-04 17:44:06,093 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 124 [2020-09-04 17:44:06,220 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 106 [2020-09-04 17:44:06,860 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 151 [2020-09-04 17:44:07,077 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2020-09-04 17:44:07,317 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 135 [2020-09-04 17:44:07,502 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-09-04 17:44:07,819 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 152 [2020-09-04 17:44:08,073 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 126 [2020-09-04 17:44:08,496 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 160 [2020-09-04 17:44:08,779 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 124 [2020-09-04 17:44:09,029 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 113 [2020-09-04 17:44:09,262 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 135 [2020-09-04 17:44:09,459 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 139 [2020-09-04 17:44:10,144 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-09-04 17:44:10,820 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 180 [2020-09-04 17:44:10,964 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2020-09-04 17:44:11,297 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2020-09-04 17:44:11,727 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 151 [2020-09-04 17:44:12,203 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 152 [2020-09-04 17:44:12,482 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 147 [2020-09-04 17:44:12,707 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 123 [2020-09-04 17:44:12,885 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 124 [2020-09-04 17:44:13,505 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 172 [2020-09-04 17:44:13,831 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 137 [2020-09-04 17:44:14,181 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 121 [2020-09-04 17:44:14,417 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 138 [2020-09-04 17:44:14,706 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 104 [2020-09-04 17:44:14,928 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 131 [2020-09-04 17:44:15,146 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 111 [2020-09-04 17:44:15,308 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 106 [2020-09-04 17:44:15,451 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 108 [2020-09-04 17:44:16,002 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 169 [2020-09-04 17:44:16,184 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 130 [2020-09-04 17:44:16,404 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2020-09-04 17:44:16,705 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2020-09-04 17:44:16,876 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 96 [2020-09-04 17:44:17,242 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 147 [2020-09-04 17:44:18,051 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 198 [2020-09-04 17:44:18,176 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 115 [2020-09-04 17:44:18,335 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 111 [2020-09-04 17:44:18,571 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 117 [2020-09-04 17:44:18,722 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2020-09-04 17:44:18,856 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 109 [2020-09-04 17:44:19,169 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2020-09-04 17:44:19,348 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2020-09-04 17:44:19,694 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 147 [2020-09-04 17:44:20,372 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-09-04 17:44:20,516 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 114 [2020-09-04 17:44:20,653 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 112 [2020-09-04 17:44:20,784 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 109 [2020-09-04 17:44:21,197 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 152 [2020-09-04 17:44:21,725 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 169 [2020-09-04 17:44:21,839 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2020-09-04 17:45:54,003 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 17:45:57,238 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 132 [2020-09-04 17:45:58,830 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 132 [2020-09-04 17:45:59,637 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 132 [2020-09-04 17:46:35,255 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-09-04 17:46:35,387 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:46:35,525 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:46:35,654 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-09-04 17:46:35,763 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-09-04 17:46:35,898 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:46:36,025 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-09-04 17:46:36,160 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:46:36,293 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:46:36,432 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:46:36,572 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:46:36,740 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:46:36,874 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:46:37,016 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:46:37,152 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 17:46:37,258 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-09-04 17:47:12,969 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 54 [2020-09-04 17:47:29,481 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 48 [2020-09-04 17:47:31,128 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 17:47:31,915 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 60 [2020-09-04 17:47:33,194 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 56 [2020-09-04 17:47:33,700 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 45 [2020-09-04 17:47:34,669 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 47 [2020-09-04 17:47:35,482 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 56 [2020-09-04 17:47:36,492 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 57 [2020-09-04 17:47:36,984 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 45 [2020-09-04 17:47:38,609 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 17:47:39,392 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 50 [2020-09-04 17:47:41,033 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 17:47:41,527 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 45 [2020-09-04 17:47:42,564 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 206 DAG size of output: 52 [2020-09-04 17:47:43,377 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 48 [2020-09-04 17:47:44,365 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 65 [2020-09-04 17:47:45,226 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 52 [2020-09-04 17:47:46,233 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 48 [2020-09-04 17:47:46,961 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 53 [2020-09-04 17:47:47,917 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 54 [2020-09-04 17:47:48,946 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 185 DAG size of output: 62 [2020-09-04 17:47:49,922 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 57 [2020-09-04 17:47:51,558 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 17:47:52,785 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 196 DAG size of output: 58 [2020-09-04 17:47:53,780 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 53 [2020-09-04 17:47:54,547 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 59 [2020-09-04 17:47:55,732 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 205 DAG size of output: 55 [2020-09-04 17:47:56,430 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 50 [2020-09-04 17:47:57,190 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 48 [2020-09-04 17:47:58,801 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 240 DAG size of output: 67 [2020-09-04 17:47:59,638 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 54 [2020-09-04 17:48:00,599 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 54 [2020-09-04 17:48:02,053 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 207 DAG size of output: 65 [2020-09-04 17:48:02,940 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 56 [2020-09-04 17:48:04,603 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 17:48:05,802 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 212 DAG size of output: 53 [2020-09-04 17:48:06,720 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 61 [2020-09-04 17:48:08,370 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 17:48:09,300 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 59 [2020-09-04 17:48:10,072 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 48 [2020-09-04 17:48:11,189 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 194 DAG size of output: 57 [2020-09-04 17:48:12,032 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 54 [2020-09-04 17:48:13,698 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 17:48:14,639 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 57 [2020-09-04 17:48:15,629 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 47 [2020-09-04 17:48:16,562 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 52 [2020-09-04 17:48:18,218 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 17:48:19,096 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 61 [2020-09-04 17:48:20,766 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 17:48:21,833 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 188 DAG size of output: 58 [2020-09-04 17:48:22,855 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 206 DAG size of output: 53 [2020-09-04 17:48:24,072 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 194 DAG size of output: 74 [2020-09-04 17:48:25,319 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 196 DAG size of output: 58 [2020-09-04 17:48:26,175 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 54 [2020-09-04 17:48:27,852 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 17:48:29,349 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 207 DAG size of output: 65 [2020-09-04 17:48:30,383 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 193 DAG size of output: 75 [2020-09-04 17:48:31,590 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 199 DAG size of output: 55 [2020-09-04 17:48:33,035 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 202 DAG size of output: 64 [2020-09-04 17:48:34,160 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 208 DAG size of output: 55 [2020-09-04 17:48:35,609 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 211 DAG size of output: 54