/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/Problem01_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:09:48,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:09:48,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:09:48,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 01:09:48,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:09:48,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:09:48,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:09:48,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:09:48,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:09:48,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:09:48,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:09:48,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:09:48,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:09:48,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:09:48,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:09:48,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:09:48,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:09:48,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:09:48,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:09:48,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:09:48,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 01:09:48,418 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:09:48,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:09:48,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:09:48,420 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:09:48,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:09:48,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:09:48,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:09:48,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:09:48,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:09:48,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:09:48,421 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:09:48,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:09:48,422 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:09:48,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:09:48,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:09:48,422 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:09:48,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:09:48,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:09:48,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:09:48,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:09:48,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:09:48,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:09:48,424 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:09:48,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:09:48,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:09:48,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:09:48,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:09:48,825 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:09:48,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-10-24 01:09:48,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad2adccb1/7dd2dd4a4369408a9bec8c57b54805a6/FLAG75c9b9ad7 [2020-10-24 01:09:49,597 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:09:49,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label06.c [2020-10-24 01:09:49,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad2adccb1/7dd2dd4a4369408a9bec8c57b54805a6/FLAG75c9b9ad7 [2020-10-24 01:09:49,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad2adccb1/7dd2dd4a4369408a9bec8c57b54805a6 [2020-10-24 01:09:49,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:09:49,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:09:49,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:09:49,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:09:49,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:09:49,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:09:49" (1/1) ... [2020-10-24 01:09:49,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da0ac62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:49, skipping insertion in model container [2020-10-24 01:09:49,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:09:49" (1/1) ... [2020-10-24 01:09:49,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:09:49,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:09:50,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:09:50,341 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:09:50,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:09:50,594 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:09:50,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:50 WrapperNode [2020-10-24 01:09:50,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:09:50,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:09:50,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:09:50,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:09:50,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:50" (1/1) ... [2020-10-24 01:09:50,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:50" (1/1) ... [2020-10-24 01:09:50,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:50" (1/1) ... [2020-10-24 01:09:50,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:50" (1/1) ... [2020-10-24 01:09:50,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:50" (1/1) ... [2020-10-24 01:09:50,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:50" (1/1) ... [2020-10-24 01:09:50,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:50" (1/1) ... [2020-10-24 01:09:50,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:09:50,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:09:50,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:09:50,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:09:50,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:50" (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 [2020-10-24 01:09:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:09:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:09:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:09:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:09:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:09:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:09:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:09:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:09:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:09:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:09:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:09:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:09:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:09:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:09:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:09:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:09:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:09:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:09:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:09:52,793 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:09:52,793 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:09:52,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:09:52 BoogieIcfgContainer [2020-10-24 01:09:52,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:09:52,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:09:52,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:09:52,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:09:52,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:09:49" (1/3) ... [2020-10-24 01:09:52,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c79da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:09:52, skipping insertion in model container [2020-10-24 01:09:52,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:09:50" (2/3) ... [2020-10-24 01:09:52,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c79da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:09:52, skipping insertion in model container [2020-10-24 01:09:52,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:09:52" (3/3) ... [2020-10-24 01:09:52,805 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label06.c [2020-10-24 01:09:52,817 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:09:52,823 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:09:52,837 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:09:52,861 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:09:52,861 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:09:52,861 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:09:52,861 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:09:52,862 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:09:52,862 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:09:52,862 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:09:52,862 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:09:52,896 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states. [2020-10-24 01:09:52,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-24 01:09:52,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:09:52,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:09:52,945 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:09:52,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:09:52,958 INFO L82 PathProgramCache]: Analyzing trace with hash 274394278, now seen corresponding path program 1 times [2020-10-24 01:09:52,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:09:52,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248387160] [2020-10-24 01:09:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:09:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:53,639 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:09:53,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:09:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:53,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:09:53,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248387160] [2020-10-24 01:09:53,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:09:53,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 01:09:53,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877404853] [2020-10-24 01:09:53,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 01:09:53,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:09:53,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 01:09:53,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-24 01:09:53,850 INFO L87 Difference]: Start difference. First operand 537 states. Second operand 4 states. [2020-10-24 01:09:54,162 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:09:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:09:57,881 INFO L93 Difference]: Finished difference Result 1248 states and 1647 transitions. [2020-10-24 01:09:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 01:09:57,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 161 [2020-10-24 01:09:57,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:09:57,907 INFO L225 Difference]: With dead ends: 1248 [2020-10-24 01:09:57,908 INFO L226 Difference]: Without dead ends: 670 [2020-10-24 01:09:57,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:09:57,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2020-10-24 01:09:58,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 614. [2020-10-24 01:09:58,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-10-24 01:09:58,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 724 transitions. [2020-10-24 01:09:58,148 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 724 transitions. Word has length 161 [2020-10-24 01:09:58,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:09:58,150 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 724 transitions. [2020-10-24 01:09:58,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 01:09:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 724 transitions. [2020-10-24 01:09:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-24 01:09:58,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:09:58,156 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:09:58,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:09:58,157 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:09:58,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:09:58,158 INFO L82 PathProgramCache]: Analyzing trace with hash 436596502, now seen corresponding path program 1 times [2020-10-24 01:09:58,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:09:58,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222217771] [2020-10-24 01:09:58,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:09:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:58,772 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:09:58,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:09:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:58,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:09:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:09:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:09:59,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1222217771] [2020-10-24 01:09:59,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:09:59,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-24 01:09:59,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956284145] [2020-10-24 01:09:59,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 01:09:59,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:09:59,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 01:09:59,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-24 01:09:59,310 INFO L87 Difference]: Start difference. First operand 614 states and 724 transitions. Second operand 14 states. [2020-10-24 01:10:00,042 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-10-24 01:10:01,228 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-10-24 01:10:01,541 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:01,847 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-24 01:10:02,409 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-24 01:10:03,660 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-10-24 01:10:04,386 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:06,173 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:10:06,705 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-10-24 01:10:07,230 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:14,998 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-24 01:10:16,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:16,359 INFO L93 Difference]: Finished difference Result 3768 states and 5188 transitions. [2020-10-24 01:10:16,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-24 01:10:16,360 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 178 [2020-10-24 01:10:16,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:16,394 INFO L225 Difference]: With dead ends: 3768 [2020-10-24 01:10:16,394 INFO L226 Difference]: Without dead ends: 3186 [2020-10-24 01:10:16,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=506, Invalid=1386, Unknown=0, NotChecked=0, Total=1892 [2020-10-24 01:10:16,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2020-10-24 01:10:17,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 2761. [2020-10-24 01:10:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2761 states. [2020-10-24 01:10:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 3387 transitions. [2020-10-24 01:10:17,178 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 3387 transitions. Word has length 178 [2020-10-24 01:10:17,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:17,179 INFO L481 AbstractCegarLoop]: Abstraction has 2761 states and 3387 transitions. [2020-10-24 01:10:17,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 01:10:17,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 3387 transitions. [2020-10-24 01:10:17,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-24 01:10:17,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:17,197 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:17,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:10:17,198 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:17,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:17,199 INFO L82 PathProgramCache]: Analyzing trace with hash 264254491, now seen corresponding path program 1 times [2020-10-24 01:10:17,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:17,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1533315130] [2020-10-24 01:10:17,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:17,444 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:10:17,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:17,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:17,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-24 01:10:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-24 01:10:17,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1533315130] [2020-10-24 01:10:17,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:17,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:10:17,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992523786] [2020-10-24 01:10:17,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:10:17,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:17,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:10:17,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:10:17,649 INFO L87 Difference]: Start difference. First operand 2761 states and 3387 transitions. Second operand 7 states. [2020-10-24 01:10:17,955 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:19,044 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-24 01:10:21,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:21,919 INFO L93 Difference]: Finished difference Result 5744 states and 7157 transitions. [2020-10-24 01:10:21,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:10:21,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-10-24 01:10:21,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:21,952 INFO L225 Difference]: With dead ends: 5744 [2020-10-24 01:10:21,952 INFO L226 Difference]: Without dead ends: 3176 [2020-10-24 01:10:21,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:10:21,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3176 states. [2020-10-24 01:10:22,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3176 to 3067. [2020-10-24 01:10:22,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3067 states. [2020-10-24 01:10:22,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 3067 states and 3679 transitions. [2020-10-24 01:10:22,678 INFO L78 Accepts]: Start accepts. Automaton has 3067 states and 3679 transitions. Word has length 223 [2020-10-24 01:10:22,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:22,679 INFO L481 AbstractCegarLoop]: Abstraction has 3067 states and 3679 transitions. [2020-10-24 01:10:22,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:10:22,679 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 3679 transitions. [2020-10-24 01:10:22,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-24 01:10:22,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:22,696 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:22,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:10:22,697 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:22,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:22,697 INFO L82 PathProgramCache]: Analyzing trace with hash 444162006, now seen corresponding path program 1 times [2020-10-24 01:10:22,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:22,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243558972] [2020-10-24 01:10:22,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:22,980 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:10:22,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:23,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:23,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-24 01:10:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:23,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-24 01:10:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 84 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-24 01:10:23,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243558972] [2020-10-24 01:10:23,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:23,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:10:23,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003091287] [2020-10-24 01:10:23,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:10:23,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:23,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:10:23,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:10:23,292 INFO L87 Difference]: Start difference. First operand 3067 states and 3679 transitions. Second operand 8 states. [2020-10-24 01:10:23,641 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:24,007 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:10:24,584 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-24 01:10:26,178 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-24 01:10:30,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:30,605 INFO L93 Difference]: Finished difference Result 6957 states and 8386 transitions. [2020-10-24 01:10:30,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:10:30,611 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 251 [2020-10-24 01:10:30,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:30,636 INFO L225 Difference]: With dead ends: 6957 [2020-10-24 01:10:30,636 INFO L226 Difference]: Without dead ends: 3862 [2020-10-24 01:10:30,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:10:30,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2020-10-24 01:10:31,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3432. [2020-10-24 01:10:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3432 states. [2020-10-24 01:10:31,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 3432 states and 3872 transitions. [2020-10-24 01:10:31,612 INFO L78 Accepts]: Start accepts. Automaton has 3432 states and 3872 transitions. Word has length 251 [2020-10-24 01:10:31,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:31,613 INFO L481 AbstractCegarLoop]: Abstraction has 3432 states and 3872 transitions. [2020-10-24 01:10:31,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:10:31,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3432 states and 3872 transitions. [2020-10-24 01:10:31,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-10-24 01:10:31,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:31,629 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:31,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:10:31,630 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:31,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:31,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1012459026, now seen corresponding path program 1 times [2020-10-24 01:10:31,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:31,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1857262677] [2020-10-24 01:10:31,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:31,884 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:10:31,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:31,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:32,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-24 01:10:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:32,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 01:10:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 68 proven. 24 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-24 01:10:32,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1857262677] [2020-10-24 01:10:32,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:32,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:10:32,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115631587] [2020-10-24 01:10:32,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:10:32,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:32,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:10:32,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:10:32,111 INFO L87 Difference]: Start difference. First operand 3432 states and 3872 transitions. Second operand 8 states. [2020-10-24 01:10:32,381 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-24 01:10:32,731 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:33,668 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:10:33,912 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-24 01:10:37,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:37,554 INFO L93 Difference]: Finished difference Result 6502 states and 7368 transitions. [2020-10-24 01:10:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:10:37,558 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 259 [2020-10-24 01:10:37,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:37,582 INFO L225 Difference]: With dead ends: 6502 [2020-10-24 01:10:37,582 INFO L226 Difference]: Without dead ends: 3243 [2020-10-24 01:10:37,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-10-24 01:10:37,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3243 states. [2020-10-24 01:10:38,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3243 to 3030. [2020-10-24 01:10:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-10-24 01:10:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3399 transitions. [2020-10-24 01:10:38,349 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3399 transitions. Word has length 259 [2020-10-24 01:10:38,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:38,349 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3399 transitions. [2020-10-24 01:10:38,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:10:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3399 transitions. [2020-10-24 01:10:38,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-10-24 01:10:38,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:38,363 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 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] [2020-10-24 01:10:38,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:10:38,363 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:38,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:38,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1655771285, now seen corresponding path program 1 times [2020-10-24 01:10:38,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:38,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694333195] [2020-10-24 01:10:38,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:38,625 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:10:38,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:38,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:38,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 01:10:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:38,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-24 01:10:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:39,091 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 129 proven. 21 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-24 01:10:39,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694333195] [2020-10-24 01:10:39,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:39,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-24 01:10:39,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674770958] [2020-10-24 01:10:39,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 01:10:39,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:39,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 01:10:39,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-24 01:10:39,097 INFO L87 Difference]: Start difference. First operand 3030 states and 3399 transitions. Second operand 11 states. [2020-10-24 01:10:39,430 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:39,917 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2020-10-24 01:10:40,372 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:41,043 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:41,469 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:10:43,286 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:43,738 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2020-10-24 01:10:44,343 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-24 01:10:45,697 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:45,931 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:47,797 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:49,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:10:49,369 INFO L93 Difference]: Finished difference Result 7239 states and 8169 transitions. [2020-10-24 01:10:49,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-24 01:10:49,370 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 297 [2020-10-24 01:10:49,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:10:49,394 INFO L225 Difference]: With dead ends: 7239 [2020-10-24 01:10:49,395 INFO L226 Difference]: Without dead ends: 4382 [2020-10-24 01:10:49,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2020-10-24 01:10:49,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4382 states. [2020-10-24 01:10:50,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4382 to 4003. [2020-10-24 01:10:50,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4003 states. [2020-10-24 01:10:50,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4003 states to 4003 states and 4434 transitions. [2020-10-24 01:10:50,354 INFO L78 Accepts]: Start accepts. Automaton has 4003 states and 4434 transitions. Word has length 297 [2020-10-24 01:10:50,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:10:50,355 INFO L481 AbstractCegarLoop]: Abstraction has 4003 states and 4434 transitions. [2020-10-24 01:10:50,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 01:10:50,355 INFO L276 IsEmpty]: Start isEmpty. Operand 4003 states and 4434 transitions. [2020-10-24 01:10:50,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-10-24 01:10:50,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:10:50,368 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:10:50,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:10:50,369 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:10:50,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:10:50,369 INFO L82 PathProgramCache]: Analyzing trace with hash -477973655, now seen corresponding path program 1 times [2020-10-24 01:10:50,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:10:50,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688671869] [2020-10-24 01:10:50,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:10:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:50,653 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:10:50,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:10:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:50,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:10:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:50,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-24 01:10:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:50,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-24 01:10:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:50,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-24 01:10:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:10:50,942 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 173 proven. 32 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-24 01:10:50,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688671869] [2020-10-24 01:10:50,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:10:50,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 01:10:50,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584645866] [2020-10-24 01:10:50,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:10:50,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:10:50,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:10:50,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:10:50,945 INFO L87 Difference]: Start difference. First operand 4003 states and 4434 transitions. Second operand 10 states. [2020-10-24 01:10:51,246 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:51,703 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-10-24 01:10:52,597 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:53,400 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:54,302 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:10:55,351 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:10:55,957 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:10:56,403 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:10:56,645 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:10:58,152 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:10:58,662 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:11:02,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:11:02,817 INFO L93 Difference]: Finished difference Result 11219 states and 12616 transitions. [2020-10-24 01:11:02,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-24 01:11:02,818 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 322 [2020-10-24 01:11:02,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:11:02,858 INFO L225 Difference]: With dead ends: 11219 [2020-10-24 01:11:02,858 INFO L226 Difference]: Without dead ends: 7389 [2020-10-24 01:11:02,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2020-10-24 01:11:02,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7389 states. [2020-10-24 01:11:04,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7389 to 6320. [2020-10-24 01:11:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6320 states. [2020-10-24 01:11:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6320 states to 6320 states and 7007 transitions. [2020-10-24 01:11:04,280 INFO L78 Accepts]: Start accepts. Automaton has 6320 states and 7007 transitions. Word has length 322 [2020-10-24 01:11:04,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:11:04,281 INFO L481 AbstractCegarLoop]: Abstraction has 6320 states and 7007 transitions. [2020-10-24 01:11:04,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:11:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 6320 states and 7007 transitions. [2020-10-24 01:11:04,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-10-24 01:11:04,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:11:04,302 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:11:04,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:11:04,303 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:11:04,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:11:04,303 INFO L82 PathProgramCache]: Analyzing trace with hash -389405688, now seen corresponding path program 1 times [2020-10-24 01:11:04,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:11:04,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121927894] [2020-10-24 01:11:04,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:11:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:04,617 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:11:04,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:11:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:04,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-24 01:11:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:04,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 01:11:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:04,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-24 01:11:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:04,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-24 01:11:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:11:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 198 proven. 28 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-10-24 01:11:04,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121927894] [2020-10-24 01:11:04,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:11:04,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 01:11:04,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762983187] [2020-10-24 01:11:04,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:11:04,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:11:04,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:11:04,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:11:04,886 INFO L87 Difference]: Start difference. First operand 6320 states and 7007 transitions. Second operand 10 states. [2020-10-24 01:11:05,193 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:11:05,471 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:11:06,514 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:11:07,352 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-10-24 01:11:07,765 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:11:08,019 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-24 01:11:10,353 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:11:11,553 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:11:11,778 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-24 01:11:12,402 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-24 01:11:12,827 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-24 01:11:16,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:11:16,783 INFO L93 Difference]: Finished difference Result 14927 states and 16740 transitions. [2020-10-24 01:11:16,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-24 01:11:16,790 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 340 [2020-10-24 01:11:16,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:11:16,803 INFO L225 Difference]: With dead ends: 14927 [2020-10-24 01:11:16,804 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:11:16,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2020-10-24 01:11:16,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:11:16,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:11:16,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:11:16,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:11:16,835 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 340 [2020-10-24 01:11:16,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:11:16,836 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:11:16,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:11:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:11:16,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:11:16,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:11:16,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:11:17,127 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-24 01:13:34,927 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:13:37,472 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:13:39,987 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:13:42,508 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:13:43,568 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:13:44,513 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:13:45,467 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:13:48,002 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:13:49,033 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:13:51,504 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:13:52,577 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 178 DAG size of output: 54 [2020-10-24 01:13:53,770 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 187 DAG size of output: 58 [2020-10-24 01:13:54,661 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 47 [2020-10-24 01:13:55,937 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 135 DAG size of output: 52 [2020-10-24 01:13:56,757 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 45 [2020-10-24 01:13:57,641 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 50 [2020-10-24 01:14:00,037 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:14:01,911 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 192 DAG size of output: 61 [2020-10-24 01:14:03,423 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 197 DAG size of output: 58 [2020-10-24 01:14:05,813 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:14:08,227 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:14:09,062 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 51 [2020-10-24 01:14:09,916 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 47 [2020-10-24 01:14:10,863 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 49 [2020-10-24 01:14:12,127 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-10-24 01:14:14,509 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:14:15,200 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 45 [2020-10-24 01:14:16,257 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:14:17,037 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 45 [2020-10-24 01:14:18,711 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 185 DAG size of output: 53 [2020-10-24 01:14:19,585 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 51 [2020-10-24 01:14:21,131 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 139 DAG size of output: 59 [2020-10-24 01:14:23,533 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:14:24,720 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 187 DAG size of output: 58 [2020-10-24 01:14:27,234 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:14:28,108 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 47 [2020-10-24 01:14:29,066 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 45 [2020-10-24 01:14:29,909 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 50 [2020-10-24 01:14:32,220 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:14:33,299 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 129 DAG size of output: 51 [2020-10-24 01:14:34,129 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 51 [2020-10-24 01:14:34,902 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 47 [2020-10-24 01:14:35,783 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 46 [2020-10-24 01:14:38,117 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 150 DAG size of output: 66 [2020-10-24 01:14:38,952 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 43 [2020-10-24 01:14:39,697 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 39 [2020-10-24 01:14:42,185 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:14:43,395 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 131 DAG size of output: 53 [2020-10-24 01:14:44,622 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 180 DAG size of output: 51 [2020-10-24 01:14:46,014 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 139 DAG size of output: 58 [2020-10-24 01:14:46,819 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 47 [2020-10-24 01:14:47,751 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 54 [2020-10-24 01:14:49,206 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 189 DAG size of output: 57 [2020-10-24 01:14:49,923 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 43 [2020-10-24 01:14:51,022 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 178 DAG size of output: 54 [2020-10-24 01:14:51,847 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 50 [2020-10-24 01:14:52,740 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 46 [2020-10-24 01:14:55,159 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:14:55,902 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 44 [2020-10-24 01:14:56,931 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 171 DAG size of output: 49 [2020-10-24 01:14:57,972 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:14:58,708 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 45 [2020-10-24 01:15:01,080 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:01,824 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 45 [2020-10-24 01:15:02,764 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:15:05,184 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:07,610 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:09,995 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:11,019 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:15:12,052 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:15:13,102 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:15:15,539 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:17,987 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:18,709 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 45 [2020-10-24 01:15:20,533 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 147 DAG size of output: 63 [2020-10-24 01:15:23,047 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:23,990 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 54 [2020-10-24 01:15:26,053 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 188 DAG size of output: 56 [2020-10-24 01:15:27,202 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 135 DAG size of output: 52 [2020-10-24 01:15:28,074 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 49 [2020-10-24 01:15:28,932 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 52 [2020-10-24 01:15:30,381 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 189 DAG size of output: 57 [2020-10-24 01:15:31,902 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 156 DAG size of output: 61 [2020-10-24 01:15:32,693 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 47 [2020-10-24 01:15:33,876 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 181 DAG size of output: 47 [2020-10-24 01:15:34,782 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-10-24 01:15:37,243 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:38,558 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 142 DAG size of output: 61 [2020-10-24 01:15:39,439 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2020-10-24 01:15:40,172 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 45 [2020-10-24 01:15:41,503 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 138 DAG size of output: 62 [2020-10-24 01:15:42,527 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 139 DAG size of output: 48 [2020-10-24 01:15:43,556 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:15:44,263 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 43 [2020-10-24 01:15:46,687 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:49,069 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:50,091 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:15:52,519 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:54,938 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:57,366 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:15:58,282 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:15:59,191 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 46 [2020-10-24 01:16:01,012 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 145 DAG size of output: 64 [2020-10-24 01:16:03,342 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:16:04,063 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 46 [2020-10-24 01:16:04,775 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 48 [2020-10-24 01:16:05,598 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 51 [2020-10-24 01:16:08,478 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 208 DAG size of output: 62 [2020-10-24 01:16:09,918 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 197 DAG size of output: 58 [2020-10-24 01:16:11,059 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 139 DAG size of output: 51 [2020-10-24 01:16:12,429 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2020-10-24 01:16:13,251 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 46 [2020-10-24 01:16:14,130 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 54 [2020-10-24 01:16:15,236 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 140 DAG size of output: 56 [2020-10-24 01:16:17,547 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:16:18,572 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 178 DAG size of output: 54 [2020-10-24 01:16:20,887 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:16:21,710 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 52 [2020-10-24 01:16:22,682 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:16:23,550 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:16:25,852 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:16:27,049 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 180 DAG size of output: 51 [2020-10-24 01:16:28,371 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 139 DAG size of output: 58 [2020-10-24 01:16:30,680 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:16:31,496 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2020-10-24 01:16:32,247 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 46 [2020-10-24 01:16:33,095 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 51 [2020-10-24 01:16:34,099 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 52 [2020-10-24 01:16:34,930 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 54 [2020-10-24 01:16:35,746 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 51 [2020-10-24 01:16:38,051 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:16:39,212 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 180 DAG size of output: 47 [2020-10-24 01:16:40,103 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 49 [2020-10-24 01:16:40,962 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 51 [2020-10-24 01:16:41,804 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 51 [2020-10-24 01:16:42,609 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2020-10-24 01:16:43,694 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 177 DAG size of output: 52 [2020-10-24 01:16:44,533 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 54 [2020-10-24 01:16:46,085 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 148 DAG size of output: 61 [2020-10-24 01:16:47,301 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 134 DAG size of output: 53 [2020-10-24 01:16:48,636 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-10-24 01:16:50,303 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 196 DAG size of output: 62 [2020-10-24 01:16:51,058 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 46 [2020-10-24 01:16:51,807 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 45 [2020-10-24 01:16:52,645 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 50 [2020-10-24 01:16:53,958 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 137 DAG size of output: 56 [2020-10-24 01:16:54,792 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2020-10-24 01:16:55,657 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:16:56,638 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 49 [2020-10-24 01:16:58,955 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:01,274 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:02,259 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 49 [2020-10-24 01:17:03,243 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 49 [2020-10-24 01:17:04,108 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:17:04,966 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 50 [2020-10-24 01:17:07,279 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:08,056 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 52 [2020-10-24 01:17:09,180 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 131 DAG size of output: 53 [2020-10-24 01:17:10,071 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 49 [2020-10-24 01:17:12,387 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:14,703 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:16,562 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 190 DAG size of output: 58 [2020-10-24 01:17:17,383 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 46 [2020-10-24 01:17:19,701 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:20,680 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:17:21,655 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:17:22,522 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:17:24,840 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:25,819 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:17:26,799 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:17:29,109 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:29,973 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:17:32,291 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:33,267 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:17:34,110 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 51 [2020-10-24 01:17:34,917 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 49 [2020-10-24 01:17:35,677 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2020-10-24 01:17:37,994 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:39,849 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 190 DAG size of output: 58 [2020-10-24 01:17:42,155 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:43,226 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 129 DAG size of output: 51 [2020-10-24 01:17:43,943 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 46 [2020-10-24 01:17:44,813 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:17:47,136 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:49,444 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:50,276 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2020-10-24 01:17:51,175 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 49 [2020-10-24 01:17:53,493 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:17:54,362 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:17:55,439 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 49 [2020-10-24 01:17:56,301 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 48 [2020-10-24 01:17:57,894 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 185 DAG size of output: 53 [2020-10-24 01:17:58,668 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 46 [2020-10-24 01:17:59,403 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 47 [2020-10-24 01:18:01,721 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:18:04,043 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:18:04,880 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2020-10-24 01:18:05,843 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2020-10-24 01:18:06,678 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2020-10-24 01:18:07,495 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 50 [2020-10-24 01:18:08,336 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 54 [2020-10-24 01:18:09,084 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 43 [2020-10-24 01:18:10,598 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 196 DAG size of output: 57 [2020-10-24 01:18:11,387 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 47 [2020-10-24 01:18:12,304 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 49 [2020-10-24 01:18:13,125 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 51 [2020-10-24 01:18:13,963 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 54 [2020-10-24 01:18:15,269 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 139 DAG size of output: 57 [2020-10-24 01:18:17,598 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:18:18,931 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2020-10-24 01:18:20,286 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 139 DAG size of output: 58 [2020-10-24 01:18:21,041 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 46 [2020-10-24 01:18:22,016 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 53 [2020-10-24 01:18:24,337 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:18:25,118 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 46 [2020-10-24 01:18:27,449 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:18:28,707 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 137 DAG size of output: 59 [2020-10-24 01:18:29,788 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 139 DAG size of output: 54 [2020-10-24 01:18:30,545 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 45 [2020-10-24 01:18:32,867 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:18:33,691 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 48 [2020-10-24 01:18:36,978 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 222 DAG size of output: 62 [2020-10-24 01:18:37,820 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 54 [2020-10-24 01:18:38,706 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 53 [2020-10-24 01:18:40,056 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 177 DAG size of output: 54 [2020-10-24 01:18:40,898 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 50 [2020-10-24 01:18:43,229 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:18:43,993 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 45 [2020-10-24 01:18:46,311 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:18:47,820 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 139 DAG size of output: 58 [2020-10-24 01:18:48,569 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 43 [2020-10-24 01:18:49,411 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 54 [2020-10-24 01:18:50,538 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 181 DAG size of output: 47 [2020-10-24 01:18:52,867 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:18:53,847 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:18:54,731 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:18:55,607 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:18:57,933 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:18:58,830 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:19:01,153 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:03,480 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:04,362 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 47 [2020-10-24 01:19:06,689 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:07,747 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 135 DAG size of output: 53 [2020-10-24 01:19:08,570 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 51 [2020-10-24 01:19:10,894 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:12,181 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 184 DAG size of output: 58 [2020-10-24 01:19:13,011 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 51 [2020-10-24 01:19:13,848 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 47 [2020-10-24 01:19:16,175 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:16,887 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 44 [2020-10-24 01:19:19,221 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:20,096 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:19:22,428 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:24,757 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:25,659 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 49 [2020-10-24 01:19:26,361 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 42 [2020-10-24 01:19:27,217 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 51 [2020-10-24 01:19:29,555 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:30,460 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 47 [2020-10-24 01:19:32,791 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:33,647 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 48 [2020-10-24 01:19:34,789 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 186 DAG size of output: 58 [2020-10-24 01:19:37,118 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:38,989 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 190 DAG size of output: 58 [2020-10-24 01:19:40,290 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 136 DAG size of output: 57 [2020-10-24 01:19:41,114 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 52 [2020-10-24 01:19:41,855 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 47 [2020-10-24 01:19:44,187 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:46,524 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:47,364 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2020-10-24 01:19:48,183 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2020-10-24 01:19:50,516 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:52,849 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:54,213 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 177 DAG size of output: 54 [2020-10-24 01:19:55,894 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 197 DAG size of output: 63 [2020-10-24 01:19:58,224 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:19:59,258 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 131 DAG size of output: 50 [2020-10-24 01:20:00,519 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 141 DAG size of output: 56 [2020-10-24 01:20:01,650 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 181 DAG size of output: 47 [2020-10-24 01:20:03,258 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 185 DAG size of output: 53 [2020-10-24 01:20:05,604 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:20:07,937 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:20:09,952 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 209 DAG size of output: 62 [2020-10-24 01:20:10,901 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 51 [2020-10-24 01:20:13,233 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:20:14,035 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 47 [2020-10-24 01:20:16,376 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:20:17,073 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 46 [2020-10-24 01:20:18,094 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 131 DAG size of output: 52 [2020-10-24 01:20:19,719 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 147 DAG size of output: 60 [2020-10-24 01:20:20,421 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 46 [2020-10-24 01:20:21,190 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2020-10-24 01:20:23,527 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:20:24,565 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 178 DAG size of output: 54 [2020-10-24 01:20:25,733 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 180 DAG size of output: 51 [2020-10-24 01:20:27,244 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 134 DAG size of output: 56 [2020-10-24 01:20:28,094 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 54 [2020-10-24 01:20:28,793 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 45 [2020-10-24 01:20:31,134 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:20:33,481 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:20:34,313 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 49 [2020-10-24 01:20:35,466 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 186 DAG size of output: 58 [2020-10-24 01:20:37,142 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 185 DAG size of output: 55 [2020-10-24 01:20:39,490 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:20:40,534 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 178 DAG size of output: 54 [2020-10-24 01:20:41,448 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 50 [2020-10-24 01:20:42,158 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 42 [2020-10-24 01:20:44,511 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:20:44,797 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2020-10-24 01:20:47,149 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:20:49,501 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:20:51,698 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 190 DAG size of output: 58 [2020-10-24 01:20:53,722 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 209 DAG size of output: 62 [2020-10-24 01:20:54,889 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 192 DAG size of output: 60 [2020-10-24 01:20:56,320 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 134 DAG size of output: 53 [2020-10-24 01:20:57,731 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 138 DAG size of output: 61 [2020-10-24 01:20:58,886 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 131 DAG size of output: 53 [2020-10-24 01:21:00,065 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 180 DAG size of output: 47 [2020-10-24 01:21:01,236 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 180 DAG size of output: 51 [2020-10-24 01:21:02,258 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 139 DAG size of output: 48 [2020-10-24 01:21:04,605 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:06,948 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:07,741 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 47 [2020-10-24 01:21:09,531 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 185 DAG size of output: 61 [2020-10-24 01:21:10,411 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:21:12,762 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:13,648 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 46 [2020-10-24 01:21:14,639 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:21:15,652 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:21:16,538 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:21:18,886 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:19,880 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:21:22,225 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:24,572 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:26,920 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:27,800 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:21:28,794 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:21:29,791 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:21:30,639 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 49 [2020-10-24 01:21:32,986 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:33,855 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 46 [2020-10-24 01:21:34,566 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 42 [2020-10-24 01:21:36,919 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:39,264 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:40,145 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:21:41,027 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:21:42,025 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48 [2020-10-24 01:21:44,374 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:45,255 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-10-24 01:21:47,605 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:49,955 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:21:50,988 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 171 DAG size of output: 49 [2020-10-24 01:22:07,381 WARN L193 SmtUtils]: Spent 16.38 s on a formula simplification. DAG size of input: 349 DAG size of output: 143 [2020-10-24 01:22:36,314 WARN L193 SmtUtils]: Spent 28.88 s on a formula simplification. DAG size of input: 349 DAG size of output: 144 [2020-10-24 01:22:37,474 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 186 DAG size of output: 58 [2020-10-24 01:22:38,630 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 177 DAG size of output: 52 [2020-10-24 01:22:40,122 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 137 DAG size of output: 58 [2020-10-24 01:22:41,685 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 189 DAG size of output: 57 [2020-10-24 01:22:42,717 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 130 DAG size of output: 47 [2020-10-24 01:22:43,677 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 51 [2020-10-24 01:22:44,623 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 51 [2020-10-24 01:22:47,232 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:22:49,814 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:22:50,712 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 51 [2020-10-24 01:22:51,461 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 43 [2020-10-24 01:22:52,482 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-10-24 01:22:54,268 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 185 DAG size of output: 53 [2020-10-24 01:22:55,226 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 50 [2020-10-24 01:22:56,184 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2020-10-24 01:22:57,403 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 186 DAG size of output: 58 [2020-10-24 01:22:59,378 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 190 DAG size of output: 59 [2020-10-24 01:23:00,550 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 177 DAG size of output: 52 [2020-10-24 01:23:01,868 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 134 DAG size of output: 53 [2020-10-24 01:23:03,045 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 186 DAG size of output: 58 [2020-10-24 01:23:05,282 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 191 DAG size of output: 63 [2020-10-24 01:23:06,229 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-10-24 01:23:07,042 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 47 [2020-10-24 01:23:08,542 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 146 DAG size of output: 64 [2020-10-24 01:23:09,950 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 139 DAG size of output: 58 [2020-10-24 01:23:10,805 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 50 [2020-10-24 01:23:13,296 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 248 DAG size of output: 56 [2020-10-24 01:23:14,171 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 50 [2020-10-24 01:23:15,343 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 131 DAG size of output: 53 [2020-10-24 01:23:17,911 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 248 DAG size of output: 56