/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:43:45,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:43:45,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:43:45,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:43:45,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:43:45,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:43:45,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:43:45,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:43:45,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:43:45,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:43:45,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:43:45,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:43:45,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:43:45,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:43:45,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:43:45,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:43:45,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:43:45,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:43:45,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:43:45,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:43:45,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:43:45,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:43:45,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:43:45,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:43:45,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:43:45,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:43:45,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:43:45,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:43:45,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:43:45,250 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:43:45,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:43:45,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:43:45,255 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:43:45,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:43:45,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:43:45,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:43:45,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:43:45,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:43:45,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:43:45,256 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:43:45,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:43:45,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:43:45,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:43:45,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:43:45,257 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:43:45,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:43:45,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:43:45,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:43:45,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:43:45,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:43:45,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:43:45,259 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:43:45,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:43:45,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:43:45,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:43:45,638 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:43:45,640 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:43:45,641 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label44.c [2020-07-17 13:43:45,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1a23c00d/9eb60f5c39d74cdf8e0f18a491c06444/FLAG424538b03 [2020-07-17 13:43:46,424 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:43:46,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label44.c [2020-07-17 13:43:46,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1a23c00d/9eb60f5c39d74cdf8e0f18a491c06444/FLAG424538b03 [2020-07-17 13:43:46,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1a23c00d/9eb60f5c39d74cdf8e0f18a491c06444 [2020-07-17 13:43:46,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:43:46,623 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:43:46,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:43:46,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:43:46,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:43:46,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:43:46" (1/1) ... [2020-07-17 13:43:46,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c26240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:46, skipping insertion in model container [2020-07-17 13:43:46,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:43:46" (1/1) ... [2020-07-17 13:43:46,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:43:46,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:43:47,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:43:47,111 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:43:47,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:43:47,406 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:43:47,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:47 WrapperNode [2020-07-17 13:43:47,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:43:47,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:43:47,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:43:47,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:43:47,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:47" (1/1) ... [2020-07-17 13:43:47,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:47" (1/1) ... [2020-07-17 13:43:47,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:47" (1/1) ... [2020-07-17 13:43:47,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:47" (1/1) ... [2020-07-17 13:43:47,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:47" (1/1) ... [2020-07-17 13:43:47,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:47" (1/1) ... [2020-07-17 13:43:47,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:47" (1/1) ... [2020-07-17 13:43:47,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:43:47,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:43:47,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:43:47,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:43:47,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:43:47,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:43:47,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:43:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 13:43:47,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:43:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 13:43:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:43:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:43:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 13:43:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:43:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:43:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:43:49,196 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:43:49,197 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 13:43:49,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:43:49 BoogieIcfgContainer [2020-07-17 13:43:49,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:43:49,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:43:49,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:43:49,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:43:49,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:43:46" (1/3) ... [2020-07-17 13:43:49,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c72aee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:43:49, skipping insertion in model container [2020-07-17 13:43:49,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:43:47" (2/3) ... [2020-07-17 13:43:49,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c72aee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:43:49, skipping insertion in model container [2020-07-17 13:43:49,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:43:49" (3/3) ... [2020-07-17 13:43:49,216 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label44.c [2020-07-17 13:43:49,229 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:43:49,239 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:43:49,255 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:43:49,281 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:43:49,281 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:43:49,281 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:43:49,281 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:43:49,281 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:43:49,282 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:43:49,282 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:43:49,282 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:43:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states. [2020-07-17 13:43:49,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-17 13:43:49,330 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:43:49,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:43:49,332 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:43:49,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:43:49,339 INFO L82 PathProgramCache]: Analyzing trace with hash 948138895, now seen corresponding path program 1 times [2020-07-17 13:43:49,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:43:49,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873939104] [2020-07-17 13:43:49,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:43:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:43:49,907 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:43:49,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873939104] [2020-07-17 13:43:49,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:43:49,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:43:49,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087627011] [2020-07-17 13:43:49,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:43:49,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:43:49,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:43:49,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:43:49,938 INFO L87 Difference]: Start difference. First operand 525 states. Second operand 5 states. [2020-07-17 13:43:52,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:43:52,637 INFO L93 Difference]: Finished difference Result 1259 states and 1658 transitions. [2020-07-17 13:43:52,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 13:43:52,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-07-17 13:43:52,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:43:52,660 INFO L225 Difference]: With dead ends: 1259 [2020-07-17 13:43:52,661 INFO L226 Difference]: Without dead ends: 685 [2020-07-17 13:43:52,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:43:52,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2020-07-17 13:43:52,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 603. [2020-07-17 13:43:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2020-07-17 13:43:52,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 725 transitions. [2020-07-17 13:43:52,822 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 725 transitions. Word has length 112 [2020-07-17 13:43:52,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:43:52,823 INFO L479 AbstractCegarLoop]: Abstraction has 603 states and 725 transitions. [2020-07-17 13:43:52,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:43:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 725 transitions. [2020-07-17 13:43:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-17 13:43:52,833 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:43:52,833 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:43:52,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:43:52,834 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:43:52,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:43:52,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1116167648, now seen corresponding path program 1 times [2020-07-17 13:43:52,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:43:52,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957048356] [2020-07-17 13:43:52,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:43:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:43:53,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:43:53,756 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:43:53,929 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:43:54,289 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:43:54,495 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:43:54,745 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:43:55,031 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:43:55,348 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:43:55,676 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:43:56,306 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:43:57,236 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 13:43:57,616 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:43:58,282 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 13:43:58,688 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:43:59,493 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 13:43:59,936 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:44:00,432 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:44:00,952 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:44:01,465 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:44:02,002 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:44:02,599 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:44:03,189 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:44:03,809 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:44:04,484 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:44:05,673 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:44:06,896 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:44:08,125 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-07-17 13:44:09,428 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 13:44:10,197 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:44:11,532 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:44:13,406 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2020-07-17 13:44:14,723 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:44:16,613 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:44:17,432 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 13:44:18,275 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:44:19,750 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 13:44:20,651 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 13:44:21,585 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:44:23,810 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:44:25,426 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:44:27,047 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 115 DAG size of output: 115 [2020-07-17 13:44:28,696 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:44:30,392 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2020-07-17 13:44:32,031 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:44:33,684 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:44:35,334 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:44:36,393 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:44:38,742 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-07-17 13:44:40,399 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:44:42,107 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:44:43,787 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:44:45,454 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-07-17 13:44:47,757 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:44:49,439 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:44:51,050 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2020-07-17 13:44:52,680 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:44:54,673 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-07-17 13:44:56,104 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:44:57,550 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:44:59,645 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:45:01,355 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2020-07-17 13:45:02,754 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:45:03,932 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2020-07-17 13:45:04,999 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2020-07-17 13:45:05,774 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-07-17 13:45:06,321 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:45:06,900 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:45:07,655 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:45:08,296 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:45:09,106 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 13:45:09,937 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 13:45:10,611 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:45:11,501 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:45:12,198 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:45:12,926 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:45:13,905 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:45:14,880 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:45:15,459 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2020-07-17 13:45:15,462 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:45:15,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957048356] [2020-07-17 13:45:15,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:45:15,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [95] imperfect sequences [] total 95 [2020-07-17 13:45:15,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580768742] [2020-07-17 13:45:15,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 96 states [2020-07-17 13:45:15,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:45:15,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2020-07-17 13:45:15,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3613, Invalid=5507, Unknown=0, NotChecked=0, Total=9120 [2020-07-17 13:45:15,470 INFO L87 Difference]: Start difference. First operand 603 states and 725 transitions. Second operand 96 states. [2020-07-17 13:45:19,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:45:19,065 INFO L93 Difference]: Finished difference Result 1436 states and 1760 transitions. [2020-07-17 13:45:19,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 13:45:19,066 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 133 [2020-07-17 13:45:19,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:45:19,074 INFO L225 Difference]: With dead ends: 1436 [2020-07-17 13:45:19,074 INFO L226 Difference]: Without dead ends: 857 [2020-07-17 13:45:19,081 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1131 ImplicationChecksByTransitivity, 82.5s TimeCoverageRelationStatistics Valid=3643, Invalid=6457, Unknown=0, NotChecked=0, Total=10100 [2020-07-17 13:45:19,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-07-17 13:45:19,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 748. [2020-07-17 13:45:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-07-17 13:45:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 916 transitions. [2020-07-17 13:45:19,174 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 916 transitions. Word has length 133 [2020-07-17 13:45:19,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:45:19,174 INFO L479 AbstractCegarLoop]: Abstraction has 748 states and 916 transitions. [2020-07-17 13:45:19,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 96 states. [2020-07-17 13:45:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 916 transitions. [2020-07-17 13:45:19,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-17 13:45:19,188 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:45:19,189 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:45:19,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:45:19,189 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:45:19,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:45:19,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1985645406, now seen corresponding path program 1 times [2020-07-17 13:45:19,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:45:19,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1900508653] [2020-07-17 13:45:19,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:45:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:19,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:45:19,440 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:45:19,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1900508653] [2020-07-17 13:45:19,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:45:19,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:45:19,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487350788] [2020-07-17 13:45:19,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:45:19,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:45:19,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:45:19,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:45:19,444 INFO L87 Difference]: Start difference. First operand 748 states and 916 transitions. Second operand 5 states. [2020-07-17 13:45:21,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:45:21,431 INFO L93 Difference]: Finished difference Result 1963 states and 2508 transitions. [2020-07-17 13:45:21,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 13:45:21,440 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-07-17 13:45:21,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:45:21,453 INFO L225 Difference]: With dead ends: 1963 [2020-07-17 13:45:21,453 INFO L226 Difference]: Without dead ends: 1239 [2020-07-17 13:45:21,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 13:45:21,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2020-07-17 13:45:21,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1038. [2020-07-17 13:45:21,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2020-07-17 13:45:21,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1301 transitions. [2020-07-17 13:45:21,597 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1301 transitions. Word has length 133 [2020-07-17 13:45:21,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:45:21,598 INFO L479 AbstractCegarLoop]: Abstraction has 1038 states and 1301 transitions. [2020-07-17 13:45:21,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:45:21,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1301 transitions. [2020-07-17 13:45:21,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-17 13:45:21,604 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:45:21,604 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:45:21,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 13:45:21,605 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:45:21,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:45:21,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1890778272, now seen corresponding path program 1 times [2020-07-17 13:45:21,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:45:21,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491209474] [2020-07-17 13:45:21,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:45:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:45:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:45:22,691 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:45:23,041 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 13:45:23,249 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 13:45:23,482 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:45:23,764 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:45:24,075 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:45:24,408 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:45:25,019 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:45:25,976 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 13:45:26,364 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:45:27,049 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 13:45:27,474 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:45:28,254 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 13:45:28,728 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:45:29,232 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:45:29,767 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:45:30,314 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:45:30,914 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:45:31,520 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:45:32,157 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:45:32,837 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:45:33,543 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:45:34,821 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:45:36,148 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:45:37,504 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-07-17 13:45:38,922 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 13:45:39,757 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:45:41,199 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:45:43,252 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2020-07-17 13:45:44,702 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:45:46,775 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 13:45:47,676 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 13:45:48,660 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:45:50,273 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 13:45:51,244 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-07-17 13:45:52,260 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:45:54,733 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:45:56,476 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:45:58,245 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 115 DAG size of output: 115 [2020-07-17 13:46:00,036 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:46:01,864 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2020-07-17 13:46:03,741 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:46:05,552 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:46:07,344 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:46:08,591 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:46:11,133 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2020-07-17 13:46:12,927 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:46:14,747 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:46:16,577 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:46:18,423 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2020-07-17 13:46:20,949 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:46:22,770 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:46:24,540 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2020-07-17 13:46:26,317 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:46:28,498 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-07-17 13:46:30,091 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:46:31,683 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:46:33,835 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:46:35,705 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2020-07-17 13:46:37,142 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:46:38,457 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 97 [2020-07-17 13:46:39,616 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2020-07-17 13:46:40,498 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 65 [2020-07-17 13:46:41,139 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:46:41,803 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:46:42,662 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:46:43,366 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:46:44,286 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 13:46:45,237 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 13:46:45,982 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:46:46,978 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:46:47,746 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:46:48,548 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:46:49,612 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:46:50,669 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 13:46:51,276 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2020-07-17 13:46:51,277 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:46:51,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491209474] [2020-07-17 13:46:51,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:46:51,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [95] imperfect sequences [] total 95 [2020-07-17 13:46:51,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055544097] [2020-07-17 13:46:51,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 96 states [2020-07-17 13:46:51,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:46:51,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2020-07-17 13:46:51,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3612, Invalid=5508, Unknown=0, NotChecked=0, Total=9120 [2020-07-17 13:46:51,285 INFO L87 Difference]: Start difference. First operand 1038 states and 1301 transitions. Second operand 96 states. [2020-07-17 13:46:54,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:46:54,727 INFO L93 Difference]: Finished difference Result 3154 states and 4266 transitions. [2020-07-17 13:46:54,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 13:46:54,728 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 149 [2020-07-17 13:46:54,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:46:54,746 INFO L225 Difference]: With dead ends: 3154 [2020-07-17 13:46:54,747 INFO L226 Difference]: Without dead ends: 2140 [2020-07-17 13:46:54,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1317 ImplicationChecksByTransitivity, 89.6s TimeCoverageRelationStatistics Valid=3654, Invalid=6852, Unknown=0, NotChecked=0, Total=10506 [2020-07-17 13:46:54,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-07-17 13:46:54,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1626. [2020-07-17 13:46:54,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1626 states. [2020-07-17 13:46:54,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 2030 transitions. [2020-07-17 13:46:54,998 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 2030 transitions. Word has length 149 [2020-07-17 13:46:54,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:46:54,998 INFO L479 AbstractCegarLoop]: Abstraction has 1626 states and 2030 transitions. [2020-07-17 13:46:54,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 96 states. [2020-07-17 13:46:54,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2030 transitions. [2020-07-17 13:46:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-17 13:46:55,006 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:46:55,007 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:46:55,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 13:46:55,007 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:46:55,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:46:55,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1474286310, now seen corresponding path program 1 times [2020-07-17 13:46:55,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:46:55,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [135627411] [2020-07-17 13:46:55,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:46:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:46:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:46:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:46:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:46:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:46:56,072 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:46:56,255 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:46:56,639 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 13:46:56,867 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:46:57,135 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:46:57,437 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:46:57,768 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:46:58,128 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:46:58,795 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:46:59,828 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2020-07-17 13:47:00,260 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:47:01,009 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-07-17 13:47:01,464 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-17 13:47:02,344 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-07-17 13:47:02,849 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:47:03,384 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:47:03,967 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:47:04,567 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:47:05,203 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:47:05,866 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:47:06,547 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:47:07,271 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:47:08,045 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:47:09,421 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 13:47:10,841 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 13:47:12,307 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 13:47:13,812 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 13:47:14,761 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 13:47:16,457 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:47:18,884 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2020-07-17 13:47:20,596 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:47:22,867 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2020-07-17 13:47:23,816 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:47:24,797 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-17 13:47:26,531 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:47:27,597 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:47:28,689 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:47:31,336 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:47:33,220 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:47:35,141 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2020-07-17 13:47:37,068 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:47:39,039 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2020-07-17 13:47:40,969 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2020-07-17 13:47:42,908 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 13:47:44,863 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:47:46,108 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 13:47:48,879 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-07-17 13:47:50,842 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2020-07-17 13:47:52,817 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 13:47:54,809 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2020-07-17 13:47:56,790 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 13:47:59,522 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:48:01,503 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2020-07-17 13:48:03,413 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2020-07-17 13:48:05,348 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 13:48:07,740 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-07-17 13:48:09,480 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:48:11,247 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:48:13,629 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:48:15,707 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 13:48:17,298 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:48:18,755 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2020-07-17 13:48:20,035 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2020-07-17 13:48:21,007 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-07-17 13:48:21,718 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:48:22,464 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 13:48:23,439 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 13:48:24,216 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:48:25,223 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2020-07-17 13:48:26,266 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-07-17 13:48:27,109 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:48:28,191 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-07-17 13:48:29,044 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:48:29,945 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:48:31,150 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:48:32,366 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:48:33,021 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2020-07-17 13:48:33,022 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:48:33,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [135627411] [2020-07-17 13:48:33,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:48:33,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [94] imperfect sequences [] total 94 [2020-07-17 13:48:33,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463655024] [2020-07-17 13:48:33,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 95 states [2020-07-17 13:48:33,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:48:33,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2020-07-17 13:48:33,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3609, Invalid=5321, Unknown=0, NotChecked=0, Total=8930 [2020-07-17 13:48:33,029 INFO L87 Difference]: Start difference. First operand 1626 states and 2030 transitions. Second operand 95 states. [2020-07-17 13:48:35,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:48:35,956 INFO L93 Difference]: Finished difference Result 3791 states and 4903 transitions. [2020-07-17 13:48:35,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 13:48:35,957 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 174 [2020-07-17 13:48:35,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:48:35,989 INFO L225 Difference]: With dead ends: 3791 [2020-07-17 13:48:35,990 INFO L226 Difference]: Without dead ends: 2189 [2020-07-17 13:48:35,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1039 ImplicationChecksByTransitivity, 97.9s TimeCoverageRelationStatistics Valid=3636, Invalid=6264, Unknown=0, NotChecked=0, Total=9900 [2020-07-17 13:48:36,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2020-07-17 13:48:36,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 1802. [2020-07-17 13:48:36,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1802 states. [2020-07-17 13:48:36,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2250 transitions. [2020-07-17 13:48:36,238 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2250 transitions. Word has length 174 [2020-07-17 13:48:36,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:48:36,239 INFO L479 AbstractCegarLoop]: Abstraction has 1802 states and 2250 transitions. [2020-07-17 13:48:36,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 95 states. [2020-07-17 13:48:36,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2250 transitions. [2020-07-17 13:48:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-17 13:48:36,247 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:48:36,247 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:48:36,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 13:48:36,247 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:48:36,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:48:36,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1304892871, now seen corresponding path program 1 times [2020-07-17 13:48:36,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:48:36,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122828588] [2020-07-17 13:48:36,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:48:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:48:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:48:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:48:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:48:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:48:37,231 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:48:37,409 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:48:37,678 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:48:38,120 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:48:38,378 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:48:38,666 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:48:39,012 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:48:39,394 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 13:48:39,792 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:48:40,515 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 13:48:41,663 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 13:48:42,131 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:48:42,951 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-07-17 13:48:43,450 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:48:44,377 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 13:48:44,920 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:48:45,508 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 13:48:46,131 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:48:46,772 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:48:47,462 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:48:48,196 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:48:48,962 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:48:49,759 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-17 13:48:50,595 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:48:52,113 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 13:48:53,665 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:48:55,252 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-07-17 13:48:56,919 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2020-07-17 13:48:57,884 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-07-17 13:48:59,559 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:49:01,953 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:49:03,667 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:49:06,133 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:49:07,172 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:49:08,254 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 13:49:10,158 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 117 DAG size of output: 117 [2020-07-17 13:49:11,313 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:49:12,500 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 13:49:15,429 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:49:17,532 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:49:19,661 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2020-07-17 13:49:21,762 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:49:23,930 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 121 DAG size of output: 121 [2020-07-17 13:49:26,034 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2020-07-17 13:49:28,157 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-07-17 13:49:30,273 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:49:31,612 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-17 13:49:34,619 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 124 DAG size of output: 121 [2020-07-17 13:49:36,743 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2020-07-17 13:49:38,882 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2020-07-17 13:49:41,062 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2020-07-17 13:49:43,192 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2020-07-17 13:49:46,169 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:49:48,319 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2020-07-17 13:49:50,388 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-07-17 13:49:52,484 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2020-07-17 13:49:55,038 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 119 DAG size of output: 112 [2020-07-17 13:49:56,956 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:49:58,857 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:50:01,422 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 112 DAG size of output: 111 [2020-07-17 13:50:03,670 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2020-07-17 13:50:05,391 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:50:06,949 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2020-07-17 13:50:08,320 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2020-07-17 13:50:09,385 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-07-17 13:50:10,187 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:50:11,003 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:50:12,070 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 13:50:12,914 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:50:14,025 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:50:15,165 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:50:16,075 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 13:50:17,263 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-07-17 13:50:18,229 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:50:19,230 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:50:20,559 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:50:21,902 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-17 13:50:22,606 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2020-07-17 13:50:22,606 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:50:22,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122828588] [2020-07-17 13:50:22,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:50:22,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [95] imperfect sequences [] total 95 [2020-07-17 13:50:22,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270649357] [2020-07-17 13:50:22,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 96 states [2020-07-17 13:50:22,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:50:22,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2020-07-17 13:50:22,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3611, Invalid=5509, Unknown=0, NotChecked=0, Total=9120 [2020-07-17 13:50:22,613 INFO L87 Difference]: Start difference. First operand 1802 states and 2250 transitions. Second operand 96 states. [2020-07-17 13:50:23,408 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2020-07-17 13:50:27,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:50:27,365 INFO L93 Difference]: Finished difference Result 4911 states and 6331 transitions. [2020-07-17 13:50:27,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-17 13:50:27,366 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 181 [2020-07-17 13:50:27,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:50:27,387 INFO L225 Difference]: With dead ends: 4911 [2020-07-17 13:50:27,387 INFO L226 Difference]: Without dead ends: 3133 [2020-07-17 13:50:27,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1502 ImplicationChecksByTransitivity, 106.5s TimeCoverageRelationStatistics Valid=3671, Invalid=7249, Unknown=0, NotChecked=0, Total=10920 [2020-07-17 13:50:27,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2020-07-17 13:50:27,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 2433. [2020-07-17 13:50:27,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2433 states. [2020-07-17 13:50:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2433 states and 3047 transitions. [2020-07-17 13:50:27,886 INFO L78 Accepts]: Start accepts. Automaton has 2433 states and 3047 transitions. Word has length 181 [2020-07-17 13:50:27,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:50:27,886 INFO L479 AbstractCegarLoop]: Abstraction has 2433 states and 3047 transitions. [2020-07-17 13:50:27,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 96 states. [2020-07-17 13:50:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 3047 transitions. [2020-07-17 13:50:27,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-07-17 13:50:27,898 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:50:27,898 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 13:50:27,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 13:50:27,899 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:50:27,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:50:27,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1143104216, now seen corresponding path program 1 times [2020-07-17 13:50:27,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:50:27,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495223148] [2020-07-17 13:50:27,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:50:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:50:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 13:50:29,310 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 13:50:29,554 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:50:29,778 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:50:30,222 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-07-17 13:50:30,497 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:50:30,887 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:50:31,250 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:50:31,649 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:50:32,077 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 13:50:32,836 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:50:34,044 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-07-17 13:50:34,559 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-07-17 13:50:35,441 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:50:35,992 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 13:50:37,002 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-07-17 13:50:37,607 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 13:50:38,227 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-17 13:50:38,888 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:50:39,587 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:50:40,345 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 13:50:41,100 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:50:41,917 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:50:42,766 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 13:50:43,649 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:50:45,274 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2020-07-17 13:50:46,933 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:50:48,624 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-07-17 13:50:50,652 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-07-17 13:50:51,693 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 13:50:53,508 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:50:56,095 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2020-07-17 13:50:57,895 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:51:00,540 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 13:51:01,655 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-17 13:51:02,817 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:51:04,833 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2020-07-17 13:51:06,059 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-07-17 13:51:07,344 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-17 13:51:10,437 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-17 13:51:12,655 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-17 13:51:14,913 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2020-07-17 13:51:17,178 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-07-17 13:51:19,563 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2020-07-17 13:51:21,870 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2020-07-17 13:51:24,283 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2020-07-17 13:51:26,631 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-07-17 13:51:28,152 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 13:51:31,465 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2020-07-17 13:51:33,870 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2020-07-17 13:51:36,199 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2020-07-17 13:51:38,612 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2020-07-17 13:51:40,932 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-07-17 13:51:44,273 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-17 13:51:46,641 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2020-07-17 13:51:48,957 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2020-07-17 13:51:51,276 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2020-07-17 13:51:54,175 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2020-07-17 13:51:56,300 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 13:51:58,407 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 13:52:01,281 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 13:52:03,835 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2020-07-17 13:52:05,784 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 13:52:07,603 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2020-07-17 13:52:09,136 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2020-07-17 13:52:10,306 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2020-07-17 13:52:11,179 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-07-17 13:52:12,122 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-17 13:52:13,276 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2020-07-17 13:52:14,217 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:52:15,506 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2020-07-17 13:52:16,811 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 13:52:17,805 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 13:52:19,212 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 13:52:20,346 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 13:52:21,483 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:52:22,933 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:52:24,448 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 13:52:25,181 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 43 [2020-07-17 13:52:25,182 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:52:25,182 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495223148] [2020-07-17 13:52:25,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:52:25,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [102] imperfect sequences [] total 102 [2020-07-17 13:52:25,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058218536] [2020-07-17 13:52:25,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 103 states [2020-07-17 13:52:25,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:52:25,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2020-07-17 13:52:25,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3569, Invalid=6937, Unknown=0, NotChecked=0, Total=10506 [2020-07-17 13:52:25,186 INFO L87 Difference]: Start difference. First operand 2433 states and 3047 transitions. Second operand 103 states. [2020-07-17 13:52:26,074 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:52:26,546 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 97 [2020-07-17 13:52:26,921 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2020-07-17 13:52:27,426 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 100 [2020-07-17 13:52:27,753 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2020-07-17 13:52:28,361 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2020-07-17 13:52:29,443 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 107 [2020-07-17 13:52:30,075 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 110 [2020-07-17 13:52:30,887 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 110 [2020-07-17 13:52:31,317 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-07-17 13:52:31,461 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:52:31,794 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 13:52:32,566 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 113 [2020-07-17 13:52:33,059 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2020-07-17 13:52:33,442 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 57 [2020-07-17 13:52:33,907 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 111 [2020-07-17 13:52:34,445 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 114 [2020-07-17 13:52:34,639 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-07-17 13:52:35,251 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2020-07-17 13:52:36,081 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 120 [2020-07-17 13:52:37,171 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 122 [2020-07-17 13:52:38,117 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 125 [2020-07-17 13:52:39,187 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2020-07-17 13:52:40,169 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 126 [2020-07-17 13:52:40,702 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2020-07-17 13:52:41,588 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 127 [2020-07-17 13:52:42,400 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 116 [2020-07-17 13:52:43,551 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 128 [2020-07-17 13:52:44,758 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 117 [2020-07-17 13:52:45,848 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 132 [2020-07-17 13:52:47,006 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 133 [2020-07-17 13:52:48,313 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2020-07-17 13:52:49,491 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 118 [2020-07-17 13:52:50,027 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-07-17 13:52:51,049 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 119 [2020-07-17 13:52:52,315 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 147 DAG size of output: 139 [2020-07-17 13:52:53,372 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 119 [2020-07-17 13:52:54,830 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2020-07-17 13:52:56,357 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 151 DAG size of output: 142 [2020-07-17 13:52:57,893 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 152 DAG size of output: 144 [2020-07-17 13:52:59,633 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 155 DAG size of output: 145 [2020-07-17 13:53:01,298 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2020-07-17 13:53:03,239 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 157 DAG size of output: 143 [2020-07-17 13:53:03,598 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:53:05,236 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 157 DAG size of output: 142 [2020-07-17 13:53:05,580 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-07-17 13:53:06,619 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 119 [2020-07-17 13:53:08,332 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 157 DAG size of output: 143 [2020-07-17 13:53:08,651 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:53:09,040 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-17 13:53:10,854 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 158 DAG size of output: 144 [2020-07-17 13:53:11,245 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-07-17 13:53:11,715 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-07-17 13:53:12,742 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 116 [2020-07-17 13:53:14,629 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 159 DAG size of output: 145 [2020-07-17 13:53:15,070 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-17 13:53:17,099 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 160 DAG size of output: 146 [2020-07-17 13:53:17,654 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 13:53:19,668 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 162 DAG size of output: 147 [2020-07-17 13:53:20,338 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-07-17 13:53:21,324 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 117 [2020-07-17 13:53:21,988 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 13:53:23,065 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 118 [2020-07-17 13:53:25,150 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 162 DAG size of output: 148 [2020-07-17 13:53:25,795 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 13:53:27,959 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 162 DAG size of output: 149 [2020-07-17 13:53:28,617 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 13:53:29,431 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 111 [2020-07-17 13:53:31,778 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 163 DAG size of output: 150 [2020-07-17 13:53:32,161 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-07-17 13:53:32,882 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 13:53:33,766 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 114 [2020-07-17 13:53:36,110 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 164 DAG size of output: 151 [2020-07-17 13:53:36,866 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 13:53:37,693 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 13:53:38,231 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 100 [2020-07-17 13:53:39,430 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 146 DAG size of output: 134 [2020-07-17 13:53:41,623 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 162 DAG size of output: 148 [2020-07-17 13:53:42,420 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 13:53:42,676 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2020-07-17 13:53:44,990 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 163 DAG size of output: 149 [2020-07-17 13:53:45,867 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 13:53:47,023 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 13:53:47,276 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-07-17 13:53:49,778 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 166 DAG size of output: 150 [2020-07-17 13:53:50,722 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 13:53:52,845 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2020-07-17 13:53:53,816 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 13:53:56,153 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 163 DAG size of output: 147 [2020-07-17 13:53:57,152 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 13:53:58,282 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 13:54:00,550 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 163 DAG size of output: 148 [2020-07-17 13:54:01,626 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 13:54:04,594 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 162 DAG size of output: 145 [2020-07-17 13:54:05,699 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-07-17 13:54:06,818 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-07-17 13:54:08,145 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 155 [2020-07-17 13:54:10,118 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 160 DAG size of output: 142 [2020-07-17 13:54:11,391 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 156 [2020-07-17 13:54:13,514 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 161 DAG size of output: 143 [2020-07-17 13:54:15,904 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 155 DAG size of output: 155 [2020-07-17 13:54:17,636 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 154 DAG size of output: 138 [2020-07-17 13:54:19,035 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 156 [2020-07-17 13:54:20,825 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 154 DAG size of output: 139 [2020-07-17 13:54:22,205 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 157 [2020-07-17 13:54:24,164 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 154 DAG size of output: 140 [2020-07-17 13:54:25,567 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 157 [2020-07-17 13:54:26,348 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 124 [2020-07-17 13:54:27,838 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 157 [2020-07-17 13:54:29,440 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2020-07-17 13:54:29,674 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 13:54:30,954 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 157 [2020-07-17 13:54:31,187 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-07-17 13:54:32,814 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2020-07-17 13:54:34,296 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 157 [2020-07-17 13:54:35,822 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 158 [2020-07-17 13:54:38,211 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 164 DAG size of output: 152 [2020-07-17 13:54:39,486 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2020-07-17 13:54:41,004 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 159 [2020-07-17 13:54:41,424 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2020-07-17 13:54:41,903 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2020-07-17 13:54:42,799 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2020-07-17 13:54:44,421 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 160 [2020-07-17 13:54:45,205 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-07-17 13:54:46,035 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2020-07-17 13:54:47,678 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 161 [2020-07-17 13:54:48,104 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 101 [2020-07-17 13:54:48,439 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 58 [2020-07-17 13:54:49,567 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 113 [2020-07-17 13:54:51,240 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:54:51,650 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2020-07-17 13:54:54,302 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 168 DAG size of output: 155 [2020-07-17 13:54:56,083 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:54:56,552 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2020-07-17 13:54:57,767 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 114 [2020-07-17 13:54:59,571 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:55:01,453 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 163 [2020-07-17 13:55:03,443 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 163 [2020-07-17 13:55:04,999 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 150 DAG size of output: 143 [2020-07-17 13:55:06,951 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 164 [2020-07-17 13:55:10,839 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 170 DAG size of output: 155 [2020-07-17 13:55:12,657 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:55:14,059 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 115 [2020-07-17 13:55:15,933 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 163 [2020-07-17 13:55:17,818 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 163 [2020-07-17 13:55:19,858 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 166 [2020-07-17 13:55:21,835 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 164 [2020-07-17 13:55:23,885 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 164 [2020-07-17 13:55:25,859 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 163 [2020-07-17 13:55:27,005 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 127 [2020-07-17 13:55:29,000 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 163 [2020-07-17 13:55:31,159 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 163 DAG size of output: 151 [2020-07-17 13:55:33,259 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:55:33,763 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2020-07-17 13:55:33,968 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-07-17 13:55:35,799 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:55:38,389 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 163 DAG size of output: 151 [2020-07-17 13:55:40,008 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 149 DAG size of output: 139 [2020-07-17 13:55:42,667 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 169 DAG size of output: 148 [2020-07-17 13:55:44,666 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 162 [2020-07-17 13:55:44,941 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-07-17 13:55:45,833 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2020-07-17 13:55:47,714 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 160 [2020-07-17 13:55:49,711 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 161 [2020-07-17 13:55:51,604 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 154 [2020-07-17 13:55:51,970 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-07-17 13:55:52,437 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 97 [2020-07-17 13:55:54,381 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 154 [2020-07-17 13:55:56,431 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 154 DAG size of output: 146 [2020-07-17 13:55:56,823 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2020-07-17 13:55:58,766 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 154 [2020-07-17 13:56:00,840 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 154 [2020-07-17 13:56:01,517 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 104 [2020-07-17 13:56:02,161 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2020-07-17 13:56:03,727 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 13:56:05,859 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 151 DAG size of output: 144 [2020-07-17 13:56:07,663 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 149 [2020-07-17 13:56:09,583 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 152 DAG size of output: 145 [2020-07-17 13:56:11,270 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 13:56:12,128 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 110 [2020-07-17 13:56:15,195 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2020-07-17 13:56:16,695 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 13:56:17,686 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2020-07-17 13:56:18,963 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-07-17 13:56:20,223 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-07-17 13:56:20,877 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 13:56:22,265 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-07-17 13:56:23,608 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-07-17 13:56:25,112 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 13:56:26,497 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-07-17 13:56:27,985 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-07-17 13:56:29,446 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-17 13:56:32,179 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 166 DAG size of output: 153 [2020-07-17 13:56:33,652 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-07-17 13:56:34,438 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2020-07-17 13:56:35,474 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 114 [2020-07-17 13:56:36,853 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-07-17 13:56:41,023 WARN L193 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 171 DAG size of output: 148 [2020-07-17 13:56:43,761 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 164 DAG size of output: 152 [2020-07-17 13:56:45,352 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-17 13:56:47,094 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-17 13:56:48,744 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-07-17 13:56:50,118 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 115 [2020-07-17 13:56:50,429 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:56:51,092 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2020-07-17 13:56:54,036 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 161 DAG size of output: 140 [2020-07-17 13:56:55,810 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 164 DAG size of output: 116 [2020-07-17 13:56:59,005 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 170 DAG size of output: 150 [2020-07-17 13:57:02,109 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 167 DAG size of output: 145 [2020-07-17 13:57:03,726 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 166 DAG size of output: 119