/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:56:09,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:56:09,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:56:09,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 05:56:09,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 05:56:09,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 05:56:09,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 05:56:09,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 05:56:09,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 05:56:09,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 05:56:09,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 05:56:09,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 05:56:09,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:56:09,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:56:09,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:56:09,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:56:09,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:56:09,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:56:09,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:56:09,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:56:09,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:56:09,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:56:09,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:56:09,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:56:09,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:56:09,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:56:09,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:56:09,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:56:09,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 05:56:09,470 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:56:09,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:56:09,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:56:09,472 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:56:09,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:56:09,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:56:09,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:56:09,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:56:09,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:56:09,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:56:09,474 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:56:09,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:56:09,474 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:56:09,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:56:09,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:56:09,475 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:56:09,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:56:09,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:56:09,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:56:09,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:56:09,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:56:09,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:56:09,476 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:56:09,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:56:09,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:56:09,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:56:09,913 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:56:09,913 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:56:09,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2020-11-07 05:56:10,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88362e9dd/adc77fbc4ceb44d0af0d2d1935ffe8d5/FLAG71fd23661 [2020-11-07 05:56:10,876 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:56:10,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label34.c [2020-11-07 05:56:10,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88362e9dd/adc77fbc4ceb44d0af0d2d1935ffe8d5/FLAG71fd23661 [2020-11-07 05:56:11,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88362e9dd/adc77fbc4ceb44d0af0d2d1935ffe8d5 [2020-11-07 05:56:11,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:56:11,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:56:11,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:56:11,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:56:11,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:56:11,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:56:11" (1/1) ... [2020-11-07 05:56:11,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216b903f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:11, skipping insertion in model container [2020-11-07 05:56:11,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:56:11" (1/1) ... [2020-11-07 05:56:11,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:56:11,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:56:11,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:56:11,765 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:56:11,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:56:11,940 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:56:11,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:11 WrapperNode [2020-11-07 05:56:11,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:56:11,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:56:11,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:56:11,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:56:11,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:11" (1/1) ... [2020-11-07 05:56:11,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:11" (1/1) ... [2020-11-07 05:56:12,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:11" (1/1) ... [2020-11-07 05:56:12,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:11" (1/1) ... [2020-11-07 05:56:12,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:11" (1/1) ... [2020-11-07 05:56:12,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:11" (1/1) ... [2020-11-07 05:56:12,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:11" (1/1) ... [2020-11-07 05:56:12,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:56:12,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:56:12,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:56:12,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:56:12,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:11" (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 [2020-11-07 05:56:12,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:56:12,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:56:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:56:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:56:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:56:12,189 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:56:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:56:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:56:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:56:12,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:56:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:56:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:56:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:56:12,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:56:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:56:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:56:12,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:56:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:56:12,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:56:13,834 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:56:13,834 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:56:13,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:56:13 BoogieIcfgContainer [2020-11-07 05:56:13,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:56:13,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:56:13,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:56:13,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:56:13,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:56:11" (1/3) ... [2020-11-07 05:56:13,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cda2d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:56:13, skipping insertion in model container [2020-11-07 05:56:13,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:56:11" (2/3) ... [2020-11-07 05:56:13,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cda2d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:56:13, skipping insertion in model container [2020-11-07 05:56:13,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:56:13" (3/3) ... [2020-11-07 05:56:13,848 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label34.c [2020-11-07 05:56:13,865 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:56:13,869 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:56:13,883 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:56:13,909 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:56:13,910 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:56:13,910 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:56:13,910 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:56:13,910 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:56:13,910 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:56:13,911 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:56:13,911 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:56:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-11-07 05:56:13,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-07 05:56:13,977 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:56:13,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:56:13,979 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:56:13,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:56:13,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1178715475, now seen corresponding path program 1 times [2020-11-07 05:56:13,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:56:13,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464401353] [2020-11-07 05:56:13,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:56:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:14,591 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-07 05:56:14,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:56:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:56:14,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464401353] [2020-11-07 05:56:14,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:56:14,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:56:14,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688041524] [2020-11-07 05:56:14,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:56:14,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:56:14,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:56:14,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:56:14,782 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-11-07 05:56:15,021 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:56:18,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:56:18,986 INFO L93 Difference]: Finished difference Result 1444 states and 2039 transitions. [2020-11-07 05:56:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 05:56:18,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2020-11-07 05:56:18,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:56:19,032 INFO L225 Difference]: With dead ends: 1444 [2020-11-07 05:56:19,032 INFO L226 Difference]: Without dead ends: 857 [2020-11-07 05:56:19,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:56:19,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-11-07 05:56:19,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 784. [2020-11-07 05:56:19,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2020-11-07 05:56:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 951 transitions. [2020-11-07 05:56:19,311 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 951 transitions. Word has length 133 [2020-11-07 05:56:19,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:56:19,314 INFO L481 AbstractCegarLoop]: Abstraction has 784 states and 951 transitions. [2020-11-07 05:56:19,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:56:19,315 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 951 transitions. [2020-11-07 05:56:19,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-11-07 05:56:19,335 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:56:19,336 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:56:19,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:56:19,337 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:56:19,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:56:19,337 INFO L82 PathProgramCache]: Analyzing trace with hash -944533080, now seen corresponding path program 1 times [2020-11-07 05:56:19,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:56:19,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144744424] [2020-11-07 05:56:19,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:56:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:19,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:56:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:19,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:56:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:19,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:56:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:19,845 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:56:19,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144744424] [2020-11-07 05:56:19,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:56:19,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-11-07 05:56:19,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630888725] [2020-11-07 05:56:19,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-07 05:56:19,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:56:19,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-07 05:56:19,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:56:19,853 INFO L87 Difference]: Start difference. First operand 784 states and 951 transitions. Second operand 12 states. [2020-11-07 05:56:20,214 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2020-11-07 05:56:20,734 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2020-11-07 05:56:21,109 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-11-07 05:56:21,697 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-07 05:56:22,055 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-11-07 05:56:23,103 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-11-07 05:56:23,694 WARN L194 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-11-07 05:56:24,353 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-11-07 05:56:25,222 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-11-07 05:56:28,644 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-11-07 05:56:34,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:56:34,157 INFO L93 Difference]: Finished difference Result 5015 states and 6654 transitions. [2020-11-07 05:56:34,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-11-07 05:56:34,163 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 168 [2020-11-07 05:56:34,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:56:34,202 INFO L225 Difference]: With dead ends: 5015 [2020-11-07 05:56:34,203 INFO L226 Difference]: Without dead ends: 4261 [2020-11-07 05:56:34,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 933 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=599, Invalid=2481, Unknown=0, NotChecked=0, Total=3080 [2020-11-07 05:56:34,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4261 states. [2020-11-07 05:56:34,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4261 to 3096. [2020-11-07 05:56:34,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3096 states. [2020-11-07 05:56:34,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 3862 transitions. [2020-11-07 05:56:34,977 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 3862 transitions. Word has length 168 [2020-11-07 05:56:34,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:56:34,977 INFO L481 AbstractCegarLoop]: Abstraction has 3096 states and 3862 transitions. [2020-11-07 05:56:34,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-07 05:56:34,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 3862 transitions. [2020-11-07 05:56:34,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-07 05:56:34,990 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:56:34,991 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:56:34,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:56:34,993 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:56:34,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:56:34,993 INFO L82 PathProgramCache]: Analyzing trace with hash -854257371, now seen corresponding path program 1 times [2020-11-07 05:56:34,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:56:34,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071560615] [2020-11-07 05:56:34,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:56:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:35,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:56:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:35,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:56:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:35,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:56:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:35,401 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:56:35,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071560615] [2020-11-07 05:56:35,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:56:35,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 05:56:35,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184300365] [2020-11-07 05:56:35,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 05:56:35,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:56:35,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 05:56:35,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-07 05:56:35,408 INFO L87 Difference]: Start difference. First operand 3096 states and 3862 transitions. Second operand 9 states. [2020-11-07 05:56:35,705 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-07 05:56:36,721 WARN L194 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-11-07 05:56:42,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:56:42,102 INFO L93 Difference]: Finished difference Result 7467 states and 9869 transitions. [2020-11-07 05:56:42,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-11-07 05:56:42,102 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 173 [2020-11-07 05:56:42,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:56:42,148 INFO L225 Difference]: With dead ends: 7467 [2020-11-07 05:56:42,148 INFO L226 Difference]: Without dead ends: 4401 [2020-11-07 05:56:42,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2020-11-07 05:56:42,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4401 states. [2020-11-07 05:56:43,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4401 to 3956. [2020-11-07 05:56:43,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3956 states. [2020-11-07 05:56:43,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 3956 states and 4930 transitions. [2020-11-07 05:56:43,079 INFO L78 Accepts]: Start accepts. Automaton has 3956 states and 4930 transitions. Word has length 173 [2020-11-07 05:56:43,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:56:43,080 INFO L481 AbstractCegarLoop]: Abstraction has 3956 states and 4930 transitions. [2020-11-07 05:56:43,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 05:56:43,080 INFO L276 IsEmpty]: Start isEmpty. Operand 3956 states and 4930 transitions. [2020-11-07 05:56:43,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-07 05:56:43,093 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:56:43,093 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:56:43,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:56:43,094 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:56:43,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:56:43,094 INFO L82 PathProgramCache]: Analyzing trace with hash -264933597, now seen corresponding path program 1 times [2020-11-07 05:56:43,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:56:43,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723334467] [2020-11-07 05:56:43,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:56:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:43,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:56:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:43,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:56:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:43,394 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:56:43,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723334467] [2020-11-07 05:56:43,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:56:43,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:56:43,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116685853] [2020-11-07 05:56:43,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:56:43,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:56:43,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:56:43,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:56:43,397 INFO L87 Difference]: Start difference. First operand 3956 states and 4930 transitions. Second operand 8 states. [2020-11-07 05:56:43,662 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-11-07 05:56:44,644 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:56:45,212 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-11-07 05:56:50,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:56:50,127 INFO L93 Difference]: Finished difference Result 10695 states and 13909 transitions. [2020-11-07 05:56:50,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 05:56:50,131 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-11-07 05:56:50,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:56:50,184 INFO L225 Difference]: With dead ends: 10695 [2020-11-07 05:56:50,184 INFO L226 Difference]: Without dead ends: 6769 [2020-11-07 05:56:50,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-11-07 05:56:50,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6769 states. [2020-11-07 05:56:51,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6769 to 5760. [2020-11-07 05:56:51,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5760 states. [2020-11-07 05:56:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5760 states to 5760 states and 7446 transitions. [2020-11-07 05:56:51,358 INFO L78 Accepts]: Start accepts. Automaton has 5760 states and 7446 transitions. Word has length 176 [2020-11-07 05:56:51,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:56:51,359 INFO L481 AbstractCegarLoop]: Abstraction has 5760 states and 7446 transitions. [2020-11-07 05:56:51,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:56:51,359 INFO L276 IsEmpty]: Start isEmpty. Operand 5760 states and 7446 transitions. [2020-11-07 05:56:51,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-07 05:56:51,382 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:56:51,383 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-07 05:56:51,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:56:51,383 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:56:51,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:56:51,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1929367664, now seen corresponding path program 1 times [2020-11-07 05:56:51,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:56:51,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107286235] [2020-11-07 05:56:51,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:56:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:51,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:56:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:51,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:56:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:51,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 05:56:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:56:51,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107286235] [2020-11-07 05:56:51,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:56:51,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:56:51,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695652644] [2020-11-07 05:56:51,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:56:51,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:56:51,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:56:51,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:56:51,662 INFO L87 Difference]: Start difference. First operand 5760 states and 7446 transitions. Second operand 7 states. [2020-11-07 05:56:56,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:56:56,868 INFO L93 Difference]: Finished difference Result 12452 states and 16555 transitions. [2020-11-07 05:56:56,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 05:56:56,868 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 216 [2020-11-07 05:56:56,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:56:56,921 INFO L225 Difference]: With dead ends: 12452 [2020-11-07 05:56:56,922 INFO L226 Difference]: Without dead ends: 6722 [2020-11-07 05:56:56,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:56:56,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6722 states. [2020-11-07 05:56:58,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6722 to 6265. [2020-11-07 05:56:58,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6265 states. [2020-11-07 05:56:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6265 states to 6265 states and 7736 transitions. [2020-11-07 05:56:58,570 INFO L78 Accepts]: Start accepts. Automaton has 6265 states and 7736 transitions. Word has length 216 [2020-11-07 05:56:58,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:56:58,570 INFO L481 AbstractCegarLoop]: Abstraction has 6265 states and 7736 transitions. [2020-11-07 05:56:58,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:56:58,570 INFO L276 IsEmpty]: Start isEmpty. Operand 6265 states and 7736 transitions. [2020-11-07 05:56:58,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 05:56:58,597 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:56:58,597 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:56:58,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:56:58,598 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:56:58,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:56:58,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1239244322, now seen corresponding path program 1 times [2020-11-07 05:56:58,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:56:58,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074804698] [2020-11-07 05:56:58,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:56:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:58,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:56:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:58,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:56:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:58,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 05:56:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:56:58,864 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-07 05:56:58,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074804698] [2020-11-07 05:56:58,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:56:58,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:56:58,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196187580] [2020-11-07 05:56:58,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:56:58,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:56:58,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:56:58,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:56:58,868 INFO L87 Difference]: Start difference. First operand 6265 states and 7736 transitions. Second operand 7 states. [2020-11-07 05:57:02,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:02,530 INFO L93 Difference]: Finished difference Result 14179 states and 17891 transitions. [2020-11-07 05:57:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:57:02,532 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 240 [2020-11-07 05:57:02,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:02,574 INFO L225 Difference]: With dead ends: 14179 [2020-11-07 05:57:02,574 INFO L226 Difference]: Without dead ends: 7583 [2020-11-07 05:57:02,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:57:02,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7583 states. [2020-11-07 05:57:04,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7583 to 7257. [2020-11-07 05:57:04,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7257 states. [2020-11-07 05:57:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7257 states to 7257 states and 8474 transitions. [2020-11-07 05:57:04,176 INFO L78 Accepts]: Start accepts. Automaton has 7257 states and 8474 transitions. Word has length 240 [2020-11-07 05:57:04,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:04,177 INFO L481 AbstractCegarLoop]: Abstraction has 7257 states and 8474 transitions. [2020-11-07 05:57:04,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:57:04,177 INFO L276 IsEmpty]: Start isEmpty. Operand 7257 states and 8474 transitions. [2020-11-07 05:57:04,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-11-07 05:57:04,199 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:04,200 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:57:04,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:57:04,200 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:04,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:04,201 INFO L82 PathProgramCache]: Analyzing trace with hash 94371671, now seen corresponding path program 1 times [2020-11-07 05:57:04,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:04,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613925811] [2020-11-07 05:57:04,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:04,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:04,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:57:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:04,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:57:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:04,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-11-07 05:57:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 125 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-07 05:57:04,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613925811] [2020-11-07 05:57:04,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:57:04,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:57:04,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141805044] [2020-11-07 05:57:04,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:57:04,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:04,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:57:04,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:57:04,550 INFO L87 Difference]: Start difference. First operand 7257 states and 8474 transitions. Second operand 8 states. [2020-11-07 05:57:07,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:07,721 INFO L93 Difference]: Finished difference Result 13034 states and 15277 transitions. [2020-11-07 05:57:07,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:57:07,722 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 265 [2020-11-07 05:57:07,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:07,757 INFO L225 Difference]: With dead ends: 13034 [2020-11-07 05:57:07,757 INFO L226 Difference]: Without dead ends: 6279 [2020-11-07 05:57:07,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:57:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6279 states. [2020-11-07 05:57:08,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6279 to 6256. [2020-11-07 05:57:08,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6256 states. [2020-11-07 05:57:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6256 states to 6256 states and 7121 transitions. [2020-11-07 05:57:08,894 INFO L78 Accepts]: Start accepts. Automaton has 6256 states and 7121 transitions. Word has length 265 [2020-11-07 05:57:08,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:08,894 INFO L481 AbstractCegarLoop]: Abstraction has 6256 states and 7121 transitions. [2020-11-07 05:57:08,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:57:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 6256 states and 7121 transitions. [2020-11-07 05:57:08,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-11-07 05:57:08,914 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:08,914 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:57:08,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:57:08,915 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:08,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:08,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1187643837, now seen corresponding path program 1 times [2020-11-07 05:57:08,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:08,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646090689] [2020-11-07 05:57:08,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:09,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:09,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:57:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:09,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:57:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:09,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 05:57:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:09,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 05:57:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 212 proven. 48 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-11-07 05:57:09,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646090689] [2020-11-07 05:57:09,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:57:09,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:57:09,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737373530] [2020-11-07 05:57:09,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:57:09,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:09,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:57:09,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:57:09,302 INFO L87 Difference]: Start difference. First operand 6256 states and 7121 transitions. Second operand 7 states. [2020-11-07 05:57:13,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:13,654 INFO L93 Difference]: Finished difference Result 14965 states and 17023 transitions. [2020-11-07 05:57:13,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:57:13,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 319 [2020-11-07 05:57:13,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:13,687 INFO L225 Difference]: With dead ends: 14965 [2020-11-07 05:57:13,688 INFO L226 Difference]: Without dead ends: 7735 [2020-11-07 05:57:13,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:57:13,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7735 states. [2020-11-07 05:57:15,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7735 to 5324. [2020-11-07 05:57:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5324 states. [2020-11-07 05:57:15,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5324 states to 5324 states and 5865 transitions. [2020-11-07 05:57:15,057 INFO L78 Accepts]: Start accepts. Automaton has 5324 states and 5865 transitions. Word has length 319 [2020-11-07 05:57:15,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:15,057 INFO L481 AbstractCegarLoop]: Abstraction has 5324 states and 5865 transitions. [2020-11-07 05:57:15,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:57:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 5324 states and 5865 transitions. [2020-11-07 05:57:15,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-11-07 05:57:15,073 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:15,073 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:57:15,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:57:15,074 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:15,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:15,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1251164381, now seen corresponding path program 1 times [2020-11-07 05:57:15,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:15,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847255683] [2020-11-07 05:57:15,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:15,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:15,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:57:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:15,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 05:57:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:15,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-11-07 05:57:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 261 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-07 05:57:15,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847255683] [2020-11-07 05:57:15,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:57:15,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-07 05:57:15,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832263705] [2020-11-07 05:57:15,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 05:57:15,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:15,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 05:57:15,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-07 05:57:15,475 INFO L87 Difference]: Start difference. First operand 5324 states and 5865 transitions. Second operand 9 states. [2020-11-07 05:57:20,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:20,487 INFO L93 Difference]: Finished difference Result 11481 states and 12667 transitions. [2020-11-07 05:57:20,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 05:57:20,488 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 329 [2020-11-07 05:57:20,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:20,512 INFO L225 Difference]: With dead ends: 11481 [2020-11-07 05:57:20,512 INFO L226 Difference]: Without dead ends: 6025 [2020-11-07 05:57:20,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2020-11-07 05:57:20,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6025 states. [2020-11-07 05:57:21,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6025 to 4969. [2020-11-07 05:57:21,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4969 states. [2020-11-07 05:57:21,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4969 states to 4969 states and 5305 transitions. [2020-11-07 05:57:21,628 INFO L78 Accepts]: Start accepts. Automaton has 4969 states and 5305 transitions. Word has length 329 [2020-11-07 05:57:21,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:21,628 INFO L481 AbstractCegarLoop]: Abstraction has 4969 states and 5305 transitions. [2020-11-07 05:57:21,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 05:57:21,629 INFO L276 IsEmpty]: Start isEmpty. Operand 4969 states and 5305 transitions. [2020-11-07 05:57:21,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-11-07 05:57:21,642 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:57:21,642 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:57:21,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 05:57:21,643 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:57:21,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:57:21,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1321347695, now seen corresponding path program 1 times [2020-11-07 05:57:21,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:57:21,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1289319275] [2020-11-07 05:57:21,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:57:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:21,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:57:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:21,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:57:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:21,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-11-07 05:57:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:21,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-11-07 05:57:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:21,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-11-07 05:57:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:57:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 313 proven. 23 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-11-07 05:57:22,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1289319275] [2020-11-07 05:57:22,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:57:22,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-07 05:57:22,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173283408] [2020-11-07 05:57:22,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 05:57:22,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:57:22,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 05:57:22,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-07 05:57:22,071 INFO L87 Difference]: Start difference. First operand 4969 states and 5305 transitions. Second operand 10 states. [2020-11-07 05:57:26,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:57:26,794 INFO L93 Difference]: Finished difference Result 8257 states and 8808 transitions. [2020-11-07 05:57:26,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:57:26,795 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 351 [2020-11-07 05:57:26,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:57:26,798 INFO L225 Difference]: With dead ends: 8257 [2020-11-07 05:57:26,799 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:57:26,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2020-11-07 05:57:26,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:57:26,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:57:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:57:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:57:26,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 351 [2020-11-07 05:57:26,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:57:26,811 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:57:26,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 05:57:26,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:57:26,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:57:26,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 05:57:26,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:57:27,365 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-07 05:57:27,608 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-07 05:57:54,499 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 240 [2020-11-07 05:58:18,362 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 240 [2020-11-07 05:58:47,788 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 240 [2020-11-07 05:58:47,982 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 240 [2020-11-07 05:58:48,181 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 240 [2020-11-07 05:58:48,379 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 240 [2020-11-07 05:58:48,527 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 163 [2020-11-07 05:59:00,333 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 240 [2020-11-07 05:59:00,530 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 240 [2020-11-07 05:59:00,727 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 240 [2020-11-07 05:59:13,065 WARN L194 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 240 [2020-11-07 05:59:25,738 WARN L194 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 05:59:26,923 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 05:59:28,569 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 249 DAG size of output: 86 [2020-11-07 05:59:32,506 WARN L194 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 05:59:33,906 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 208 DAG size of output: 83 [2020-11-07 05:59:35,107 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 05:59:38,986 WARN L194 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 05:59:42,857 WARN L194 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 05:59:46,755 WARN L194 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 05:59:48,801 WARN L194 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 05:59:50,848 WARN L194 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 05:59:52,914 WARN L194 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 05:59:56,803 WARN L194 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 05:59:57,994 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 05:59:59,391 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 248 DAG size of output: 83 [2020-11-07 06:00:01,128 WARN L194 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 250 DAG size of output: 83 [2020-11-07 06:00:02,737 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 203 DAG size of output: 90 [2020-11-07 06:00:04,008 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 199 DAG size of output: 83 [2020-11-07 06:00:05,202 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:00:06,692 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 203 DAG size of output: 90 [2020-11-07 06:00:07,896 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:00:09,093 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:00:13,048 WARN L194 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:00:16,983 WARN L194 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:00:18,357 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 206 DAG size of output: 84 [2020-11-07 06:00:19,563 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:00:21,569 WARN L194 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 237 DAG size of output: 84 [2020-11-07 06:00:23,647 WARN L194 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:00:27,597 WARN L194 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:00:29,119 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 250 DAG size of output: 84 [2020-11-07 06:00:32,103 WARN L194 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 254 DAG size of output: 96 [2020-11-07 06:00:36,072 WARN L194 SmtUtils]: Spent 3.96 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:00:37,554 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 245 DAG size of output: 83 [2020-11-07 06:00:39,041 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 204 DAG size of output: 84 [2020-11-07 06:00:40,429 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 249 DAG size of output: 83 [2020-11-07 06:00:41,726 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 196 DAG size of output: 80 [2020-11-07 06:00:43,192 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 197 DAG size of output: 82 [2020-11-07 06:00:47,181 WARN L194 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:00:48,421 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:00:49,642 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:00:53,634 WARN L194 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:00:55,037 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 249 DAG size of output: 83 [2020-11-07 06:00:56,272 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:01:00,314 WARN L194 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:01:01,779 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 206 DAG size of output: 83 [2020-11-07 06:01:05,843 WARN L194 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:01:08,659 WARN L194 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 253 DAG size of output: 96 [2020-11-07 06:01:12,716 WARN L194 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:01:14,074 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 204 DAG size of output: 87 [2020-11-07 06:01:15,354 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:01:16,757 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 204 DAG size of output: 82 [2020-11-07 06:01:18,239 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 203 DAG size of output: 81 [2020-11-07 06:01:19,501 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:01:20,957 WARN L194 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 203 DAG size of output: 84 [2020-11-07 06:01:22,295 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 196 DAG size of output: 81 [2020-11-07 06:01:23,652 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 198 DAG size of output: 86 [2020-11-07 06:01:24,907 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:01:26,152 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:01:30,225 WARN L194 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:01:34,290 WARN L194 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:01:38,381 WARN L194 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:01:40,241 WARN L194 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 248 DAG size of output: 90 [2020-11-07 06:01:41,999 WARN L194 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 249 DAG size of output: 86 [2020-11-07 06:01:46,072 WARN L194 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:01:47,549 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 248 DAG size of output: 83 [2020-11-07 06:01:49,705 WARN L194 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:01:51,126 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 204 DAG size of output: 83 [2020-11-07 06:01:55,230 WARN L194 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:01:57,274 WARN L194 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 237 DAG size of output: 84 [2020-11-07 06:02:01,397 WARN L194 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:02:05,539 WARN L194 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:02:09,688 WARN L194 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:02:11,874 WARN L194 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:02:13,270 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 204 DAG size of output: 87 [2020-11-07 06:02:17,406 WARN L194 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:02:20,324 WARN L194 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 249 DAG size of output: 93 [2020-11-07 06:02:21,993 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 257 DAG size of output: 82 [2020-11-07 06:02:23,288 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:02:24,571 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:02:26,065 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 205 DAG size of output: 84 [2020-11-07 06:02:27,354 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:02:28,632 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:02:32,817 WARN L194 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:02:36,994 WARN L194 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:02:38,620 WARN L194 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 197 DAG size of output: 89 [2020-11-07 06:02:40,060 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 205 DAG size of output: 84 [2020-11-07 06:02:41,357 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:02:42,762 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 197 DAG size of output: 82 [2020-11-07 06:02:44,474 WARN L194 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 249 DAG size of output: 82 [2020-11-07 06:02:48,678 WARN L194 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:02:52,899 WARN L194 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:02:57,100 WARN L194 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:02:58,789 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 203 DAG size of output: 88 [2020-11-07 06:03:01,015 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:03:03,131 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 237 DAG size of output: 84 [2020-11-07 06:03:07,342 WARN L194 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:03:08,935 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 236 DAG size of output: 85 [2020-11-07 06:03:13,172 WARN L194 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:03:17,424 WARN L194 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:03:18,743 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:03:21,529 WARN L194 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 249 DAG size of output: 93 [2020-11-07 06:03:23,118 WARN L194 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 251 DAG size of output: 85 [2020-11-07 06:03:24,448 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:03:26,186 WARN L194 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 249 DAG size of output: 86 [2020-11-07 06:03:30,474 WARN L194 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:03:31,809 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:03:36,077 WARN L194 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:03:37,423 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 192 DAG size of output: 68 [2020-11-07 06:03:38,746 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:03:40,276 WARN L194 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 246 DAG size of output: 82 [2020-11-07 06:03:44,578 WARN L194 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:03:48,871 WARN L194 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:03:53,202 WARN L194 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:03:54,549 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:03:56,114 WARN L194 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 246 DAG size of output: 82 [2020-11-07 06:03:57,537 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:04:02,181 WARN L194 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:04:03,940 WARN L194 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 236 DAG size of output: 85 [2020-11-07 06:04:06,394 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:04:08,697 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 237 DAG size of output: 84 [2020-11-07 06:04:10,454 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 252 DAG size of output: 83 [2020-11-07 06:04:12,010 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 203 DAG size of output: 86 [2020-11-07 06:04:13,440 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:04:15,583 WARN L194 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 258 DAG size of output: 88 [2020-11-07 06:04:17,030 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 198 DAG size of output: 70 [2020-11-07 06:04:19,085 WARN L194 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 250 DAG size of output: 84 [2020-11-07 06:04:20,691 WARN L194 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 248 DAG size of output: 83 [2020-11-07 06:04:22,040 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:04:23,394 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:04:24,761 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 196 DAG size of output: 70 [2020-11-07 06:04:29,283 WARN L194 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:04:30,667 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 243 DAG size of output: 70 [2020-11-07 06:04:35,172 WARN L194 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:04:39,762 WARN L194 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:04:41,887 WARN L194 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 251 DAG size of output: 90 [2020-11-07 06:04:43,350 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:04:45,033 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 199 DAG size of output: 84 [2020-11-07 06:04:46,688 WARN L194 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 248 DAG size of output: 83 [2020-11-07 06:04:48,436 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 253 DAG size of output: 84 [2020-11-07 06:04:50,083 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 211 DAG size of output: 86 [2020-11-07 06:04:51,642 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 202 DAG size of output: 83 [2020-11-07 06:04:53,047 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:04:54,629 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 246 DAG size of output: 83 [2020-11-07 06:04:56,020 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:04:58,391 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:05:00,753 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:05:05,218 WARN L194 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:05:07,589 WARN L194 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:05:12,096 WARN L194 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:05:13,788 WARN L194 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 236 DAG size of output: 85 [2020-11-07 06:05:15,798 WARN L194 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 260 DAG size of output: 88 [2020-11-07 06:05:17,268 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 197 DAG size of output: 84 [2020-11-07 06:05:18,656 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:05:23,058 WARN L194 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:05:24,508 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 199 DAG size of output: 83 [2020-11-07 06:05:26,133 WARN L194 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 204 DAG size of output: 85 [2020-11-07 06:05:27,503 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:05:31,820 WARN L194 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:05:33,455 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 236 DAG size of output: 85 [2020-11-07 06:05:37,793 WARN L194 SmtUtils]: Spent 4.33 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:05:42,141 WARN L194 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:05:43,681 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 249 DAG size of output: 83 [2020-11-07 06:05:48,058 WARN L194 SmtUtils]: Spent 4.37 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:05:50,385 WARN L194 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:05:54,791 WARN L194 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:05:56,458 WARN L194 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 236 DAG size of output: 85 [2020-11-07 06:05:58,779 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:06:01,112 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:06:05,502 WARN L194 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:06:07,823 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:06:12,206 WARN L194 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:06:13,566 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:06:15,365 WARN L194 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 251 DAG size of output: 88 [2020-11-07 06:06:16,739 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 243 DAG size of output: 70 [2020-11-07 06:06:21,124 WARN L194 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:06:22,491 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:06:23,867 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:06:25,593 WARN L194 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 212 DAG size of output: 87 [2020-11-07 06:06:29,983 WARN L194 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:06:34,386 WARN L194 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:06:35,983 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 246 DAG size of output: 82 [2020-11-07 06:06:40,392 WARN L194 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:06:42,730 WARN L194 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:06:47,143 WARN L194 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:06:51,579 WARN L194 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:06:56,123 WARN L194 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:06:57,522 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:06:58,910 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:07:03,414 WARN L194 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:07:04,957 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 202 DAG size of output: 86 [2020-11-07 06:07:09,409 WARN L194 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:07:11,419 WARN L194 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 245 DAG size of output: 87 [2020-11-07 06:07:12,957 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 200 DAG size of output: 83 [2020-11-07 06:07:14,374 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 198 DAG size of output: 70 [2020-11-07 06:07:15,765 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:07:17,315 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 203 DAG size of output: 83 [2020-11-07 06:07:18,726 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:07:20,132 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:07:21,827 WARN L194 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 252 DAG size of output: 83 [2020-11-07 06:07:23,637 WARN L194 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 261 DAG size of output: 88 [2020-11-07 06:07:25,034 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:07:26,429 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:07:28,072 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 204 DAG size of output: 83 [2020-11-07 06:07:32,574 WARN L194 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:07:34,059 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 197 DAG size of output: 80 [2020-11-07 06:07:35,701 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 205 DAG size of output: 86 [2020-11-07 06:07:37,268 WARN L194 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 203 DAG size of output: 83 [2020-11-07 06:07:38,747 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 196 DAG size of output: 80 [2020-11-07 06:07:43,266 WARN L194 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:07:47,743 WARN L194 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:07:49,160 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:07:50,878 WARN L194 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 198 DAG size of output: 84 [2020-11-07 06:07:52,950 WARN L194 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 261 DAG size of output: 85 [2020-11-07 06:07:54,362 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 192 DAG size of output: 68 [2020-11-07 06:07:55,769 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:07:57,846 WARN L194 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 250 DAG size of output: 84 [2020-11-07 06:07:59,405 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 202 DAG size of output: 83 [2020-11-07 06:08:00,915 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 199 DAG size of output: 83 [2020-11-07 06:08:05,452 WARN L194 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:08:09,994 WARN L194 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:08:11,625 WARN L194 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 207 DAG size of output: 84 [2020-11-07 06:08:16,194 WARN L194 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:08:20,773 WARN L194 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:08:22,429 WARN L194 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 198 DAG size of output: 81 [2020-11-07 06:08:26,976 WARN L194 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:08:29,017 WARN L194 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 83 [2020-11-07 06:08:33,583 WARN L194 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:08:36,021 WARN L194 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:08:40,614 WARN L194 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:08:45,229 WARN L194 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:08:49,847 WARN L194 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:08:52,310 WARN L194 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:08:54,789 WARN L194 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:08:57,254 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 238 DAG size of output: 89 [2020-11-07 06:09:01,873 WARN L194 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 303 DAG size of output: 101 [2020-11-07 06:09:03,622 WARN L194 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 236 DAG size of output: 85 [2020-11-07 06:09:05,218 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 200 DAG size of output: 83 [2020-11-07 06:09:07,021 WARN L194 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 206 DAG size of output: 87 [2020-11-07 06:09:08,484 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 181 DAG size of output: 70 [2020-11-07 06:09:09,950 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 181 DAG size of output: 70