/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:43:38,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:43:38,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:43:38,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 01:43:38,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 01:43:38,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 01:43:38,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 01:43:38,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 01:43:38,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 01:43:38,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 01:43:38,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 01:43:38,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 01:43:38,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:43:38,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:43:38,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:43:38,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:43:38,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:43:38,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:43:38,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:43:38,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:43:38,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:43:38,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:43:38,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:43:38,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:43:38,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 01:43:38,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 01:43:38,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 01:43:38,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 01:43:38,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 01:43:38,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 01:43:38,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 01:43:38,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 01:43:38,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 01:43:38,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 01:43:38,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 01:43:38,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 01:43:38,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 01:43:38,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 01:43:38,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:43:38,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:43:38,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:43:38,178 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 01:43:38,190 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:43:38,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:43:38,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:43:38,192 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:43:38,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:43:38,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:43:38,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:43:38,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:43:38,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:43:38,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:43:38,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:43:38,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:43:38,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:43:38,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:43:38,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:43:38,194 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:43:38,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:43:38,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:43:38,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:43:38,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:43:38,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:43:38,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:43:38,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:43:38,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:43:38,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:43:38,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:43:38,582 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:43:38,582 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:43:38,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label32.c [2020-10-24 01:43:38,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5467a427/13f1444f5d7042c8b334062bb5744628/FLAG6839edb27 [2020-10-24 01:43:39,312 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:43:39,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label32.c [2020-10-24 01:43:39,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5467a427/13f1444f5d7042c8b334062bb5744628/FLAG6839edb27 [2020-10-24 01:43:39,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5467a427/13f1444f5d7042c8b334062bb5744628 [2020-10-24 01:43:39,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:43:39,584 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:43:39,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:43:39,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:43:39,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:43:39,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:43:39" (1/1) ... [2020-10-24 01:43:39,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fa393c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:39, skipping insertion in model container [2020-10-24 01:43:39,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:43:39" (1/1) ... [2020-10-24 01:43:39,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:43:39,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:43:40,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:43:40,121 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:43:40,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:43:40,242 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:43:40,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:40 WrapperNode [2020-10-24 01:43:40,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:43:40,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:43:40,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:43:40,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:43:40,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:40" (1/1) ... [2020-10-24 01:43:40,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:40" (1/1) ... [2020-10-24 01:43:40,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:40" (1/1) ... [2020-10-24 01:43:40,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:40" (1/1) ... [2020-10-24 01:43:40,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:40" (1/1) ... [2020-10-24 01:43:40,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:40" (1/1) ... [2020-10-24 01:43:40,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:40" (1/1) ... [2020-10-24 01:43:40,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:43:40,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:43:40,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:43:40,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:43:40,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:40" (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 01:43:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:43:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:43:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:43:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:43:40,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:43:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:43:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:43:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:43:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:43:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:43:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:43:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:43:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:43:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:43:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:43:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:43:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:43:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:43:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:43:41,866 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:43:41,866 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:43:41,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:43:41 BoogieIcfgContainer [2020-10-24 01:43:41,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:43:41,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:43:41,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:43:41,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:43:41,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:43:39" (1/3) ... [2020-10-24 01:43:41,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad9f084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:43:41, skipping insertion in model container [2020-10-24 01:43:41,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:43:40" (2/3) ... [2020-10-24 01:43:41,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad9f084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:43:41, skipping insertion in model container [2020-10-24 01:43:41,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:43:41" (3/3) ... [2020-10-24 01:43:41,878 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label32.c [2020-10-24 01:43:41,889 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:43:41,898 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:43:41,911 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:43:41,941 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:43:41,942 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:43:41,942 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:43:41,942 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:43:41,942 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:43:41,942 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:43:41,942 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:43:41,942 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:43:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-10-24 01:43:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-24 01:43:42,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:43:42,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:43:42,018 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:43:42,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:43:42,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1040963220, now seen corresponding path program 1 times [2020-10-24 01:43:42,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:43:42,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938958252] [2020-10-24 01:43:42,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:43:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:43:42,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:43:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:43:42,722 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 01:43:42,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938958252] [2020-10-24 01:43:42,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:43:42,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 01:43:42,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951337907] [2020-10-24 01:43:42,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 01:43:42,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:43:42,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 01:43:42,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-24 01:43:42,749 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 4 states. [2020-10-24 01:43:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:43:45,305 INFO L93 Difference]: Finished difference Result 1219 states and 1666 transitions. [2020-10-24 01:43:45,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 01:43:45,308 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2020-10-24 01:43:45,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:43:45,329 INFO L225 Difference]: With dead ends: 1219 [2020-10-24 01:43:45,330 INFO L226 Difference]: Without dead ends: 637 [2020-10-24 01:43:45,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:43:45,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-10-24 01:43:45,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 624. [2020-10-24 01:43:45,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-24 01:43:45,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 760 transitions. [2020-10-24 01:43:45,610 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 760 transitions. Word has length 144 [2020-10-24 01:43:45,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:43:45,611 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 760 transitions. [2020-10-24 01:43:45,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 01:43:45,612 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 760 transitions. [2020-10-24 01:43:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-24 01:43:45,619 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:43:45,620 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:43:45,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:43:45,621 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:43:45,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:43:45,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1817714051, now seen corresponding path program 1 times [2020-10-24 01:43:45,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:43:45,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781794929] [2020-10-24 01:43:45,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:43:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:43:45,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:43:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:43:45,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:43:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:43:46,063 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:43:46,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781794929] [2020-10-24 01:43:46,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:43:46,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-24 01:43:46,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384788959] [2020-10-24 01:43:46,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:43:46,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:43:46,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:43:46,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:43:46,071 INFO L87 Difference]: Start difference. First operand 624 states and 760 transitions. Second operand 8 states. [2020-10-24 01:43:50,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:43:50,051 INFO L93 Difference]: Finished difference Result 1906 states and 2489 transitions. [2020-10-24 01:43:50,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 01:43:50,052 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2020-10-24 01:43:50,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:43:50,065 INFO L225 Difference]: With dead ends: 1906 [2020-10-24 01:43:50,065 INFO L226 Difference]: Without dead ends: 1312 [2020-10-24 01:43:50,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-24 01:43:50,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-10-24 01:43:50,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1248. [2020-10-24 01:43:50,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2020-10-24 01:43:50,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1550 transitions. [2020-10-24 01:43:50,337 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1550 transitions. Word has length 178 [2020-10-24 01:43:50,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:43:50,337 INFO L481 AbstractCegarLoop]: Abstraction has 1248 states and 1550 transitions. [2020-10-24 01:43:50,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:43:50,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1550 transitions. [2020-10-24 01:43:50,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-24 01:43:50,344 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:43:50,345 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:43:50,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:43:50,345 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:43:50,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:43:50,346 INFO L82 PathProgramCache]: Analyzing trace with hash 698602953, now seen corresponding path program 1 times [2020-10-24 01:43:50,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:43:50,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109340040] [2020-10-24 01:43:50,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:43:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:43:50,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:43:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:43:50,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:43:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:43:50,597 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:43:50,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109340040] [2020-10-24 01:43:50,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:43:50,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 01:43:50,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212054279] [2020-10-24 01:43:50,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:43:50,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:43:50,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:43:50,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:43:50,606 INFO L87 Difference]: Start difference. First operand 1248 states and 1550 transitions. Second operand 7 states. [2020-10-24 01:43:54,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:43:54,052 INFO L93 Difference]: Finished difference Result 3492 states and 4485 transitions. [2020-10-24 01:43:54,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:43:54,053 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 179 [2020-10-24 01:43:54,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:43:54,074 INFO L225 Difference]: With dead ends: 3492 [2020-10-24 01:43:54,074 INFO L226 Difference]: Without dead ends: 2274 [2020-10-24 01:43:54,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:43:54,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2020-10-24 01:43:54,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 2157. [2020-10-24 01:43:54,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2157 states. [2020-10-24 01:43:54,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2640 transitions. [2020-10-24 01:43:54,544 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2640 transitions. Word has length 179 [2020-10-24 01:43:54,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:43:54,544 INFO L481 AbstractCegarLoop]: Abstraction has 2157 states and 2640 transitions. [2020-10-24 01:43:54,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:43:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2640 transitions. [2020-10-24 01:43:54,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-24 01:43:54,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:43:54,553 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:43:54,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:43:54,554 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:43:54,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:43:54,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1238952385, now seen corresponding path program 1 times [2020-10-24 01:43:54,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:43:54,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1305166676] [2020-10-24 01:43:54,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:43:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:43:54,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:43:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:43:54,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:43:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:43:54,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:43:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:43:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-24 01:43:55,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1305166676] [2020-10-24 01:43:55,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:43:55,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:43:55,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547429314] [2020-10-24 01:43:55,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:43:55,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:43:55,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:43:55,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:43:55,218 INFO L87 Difference]: Start difference. First operand 2157 states and 2640 transitions. Second operand 13 states. [2020-10-24 01:43:55,448 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-24 01:43:56,613 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-10-24 01:43:58,714 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-24 01:44:01,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:44:01,394 INFO L93 Difference]: Finished difference Result 7498 states and 9620 transitions. [2020-10-24 01:44:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 01:44:01,395 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 200 [2020-10-24 01:44:01,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:44:01,429 INFO L225 Difference]: With dead ends: 7498 [2020-10-24 01:44:01,429 INFO L226 Difference]: Without dead ends: 3978 [2020-10-24 01:44:01,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-10-24 01:44:01,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3978 states. [2020-10-24 01:44:02,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3978 to 3544. [2020-10-24 01:44:02,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3544 states. [2020-10-24 01:44:02,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 4271 transitions. [2020-10-24 01:44:02,245 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 4271 transitions. Word has length 200 [2020-10-24 01:44:02,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:44:02,245 INFO L481 AbstractCegarLoop]: Abstraction has 3544 states and 4271 transitions. [2020-10-24 01:44:02,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:44:02,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 4271 transitions. [2020-10-24 01:44:02,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-24 01:44:02,260 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:44:02,261 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:44:02,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:44:02,261 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:44:02,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:44:02,262 INFO L82 PathProgramCache]: Analyzing trace with hash 546975445, now seen corresponding path program 1 times [2020-10-24 01:44:02,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:44:02,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192313996] [2020-10-24 01:44:02,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:44:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:02,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:44:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:02,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:44:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:02,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:44:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:02,584 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 60 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-24 01:44:02,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192313996] [2020-10-24 01:44:02,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:44:02,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-24 01:44:02,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043833215] [2020-10-24 01:44:02,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 01:44:02,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:44:02,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 01:44:02,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-24 01:44:02,587 INFO L87 Difference]: Start difference. First operand 3544 states and 4271 transitions. Second operand 9 states. [2020-10-24 01:44:06,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:44:06,567 INFO L93 Difference]: Finished difference Result 7480 states and 9205 transitions. [2020-10-24 01:44:06,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 01:44:06,568 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2020-10-24 01:44:06,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:44:06,594 INFO L225 Difference]: With dead ends: 7480 [2020-10-24 01:44:06,594 INFO L226 Difference]: Without dead ends: 3785 [2020-10-24 01:44:06,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-10-24 01:44:06,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2020-10-24 01:44:07,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3739. [2020-10-24 01:44:07,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3739 states. [2020-10-24 01:44:07,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3739 states and 4372 transitions. [2020-10-24 01:44:07,340 INFO L78 Accepts]: Start accepts. Automaton has 3739 states and 4372 transitions. Word has length 211 [2020-10-24 01:44:07,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:44:07,341 INFO L481 AbstractCegarLoop]: Abstraction has 3739 states and 4372 transitions. [2020-10-24 01:44:07,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 01:44:07,341 INFO L276 IsEmpty]: Start isEmpty. Operand 3739 states and 4372 transitions. [2020-10-24 01:44:07,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-24 01:44:07,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:44:07,355 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:44:07,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:44:07,356 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:44:07,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:44:07,356 INFO L82 PathProgramCache]: Analyzing trace with hash 914891462, now seen corresponding path program 1 times [2020-10-24 01:44:07,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:44:07,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972283111] [2020-10-24 01:44:07,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:44:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:07,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:44:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:07,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:44:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:07,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:44:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:07,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-24 01:44:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 89 proven. 18 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-24 01:44:07,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972283111] [2020-10-24 01:44:07,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:44:07,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:44:07,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98533697] [2020-10-24 01:44:07,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:44:07,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:44:07,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:44:07,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:44:07,671 INFO L87 Difference]: Start difference. First operand 3739 states and 4372 transitions. Second operand 7 states. [2020-10-24 01:44:11,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:44:11,278 INFO L93 Difference]: Finished difference Result 7575 states and 8836 transitions. [2020-10-24 01:44:11,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 01:44:11,278 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-10-24 01:44:11,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:44:11,304 INFO L225 Difference]: With dead ends: 7575 [2020-10-24 01:44:11,304 INFO L226 Difference]: Without dead ends: 3661 [2020-10-24 01:44:11,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:44:11,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3661 states. [2020-10-24 01:44:12,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3661 to 3618. [2020-10-24 01:44:12,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3618 states. [2020-10-24 01:44:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 4064 transitions. [2020-10-24 01:44:12,054 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 4064 transitions. Word has length 233 [2020-10-24 01:44:12,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:44:12,054 INFO L481 AbstractCegarLoop]: Abstraction has 3618 states and 4064 transitions. [2020-10-24 01:44:12,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:44:12,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4064 transitions. [2020-10-24 01:44:12,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-10-24 01:44:12,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:44:12,067 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2020-10-24 01:44:12,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:44:12,068 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:44:12,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:44:12,068 INFO L82 PathProgramCache]: Analyzing trace with hash -209103418, now seen corresponding path program 1 times [2020-10-24 01:44:12,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:44:12,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49278155] [2020-10-24 01:44:12,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:44:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:12,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:44:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:12,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:44:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:12,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:44:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:12,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-24 01:44:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:12,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 01:44:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 133 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-24 01:44:12,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49278155] [2020-10-24 01:44:12,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:44:12,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-24 01:44:12,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484379097] [2020-10-24 01:44:12,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 01:44:12,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:44:12,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 01:44:12,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-24 01:44:12,321 INFO L87 Difference]: Start difference. First operand 3618 states and 4064 transitions. Second operand 6 states. [2020-10-24 01:44:14,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:44:14,452 INFO L93 Difference]: Finished difference Result 4125 states and 4623 transitions. [2020-10-24 01:44:14,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 01:44:14,453 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 263 [2020-10-24 01:44:14,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:44:14,463 INFO L225 Difference]: With dead ends: 4125 [2020-10-24 01:44:14,463 INFO L226 Difference]: Without dead ends: 2027 [2020-10-24 01:44:14,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:44:14,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2020-10-24 01:44:14,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 2027. [2020-10-24 01:44:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2027 states. [2020-10-24 01:44:14,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 2228 transitions. [2020-10-24 01:44:14,856 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 2228 transitions. Word has length 263 [2020-10-24 01:44:14,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:44:14,856 INFO L481 AbstractCegarLoop]: Abstraction has 2027 states and 2228 transitions. [2020-10-24 01:44:14,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 01:44:14,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2228 transitions. [2020-10-24 01:44:14,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-24 01:44:14,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:44:14,863 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-24 01:44:14,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:44:14,863 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:44:14,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:44:14,864 INFO L82 PathProgramCache]: Analyzing trace with hash -567193758, now seen corresponding path program 1 times [2020-10-24 01:44:14,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:44:14,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098033749] [2020-10-24 01:44:14,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:44:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:15,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:44:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:15,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:44:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:15,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:44:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:15,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 01:44:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 130 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-24 01:44:15,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098033749] [2020-10-24 01:44:15,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:44:15,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:44:15,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822711501] [2020-10-24 01:44:15,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:44:15,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:44:15,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:44:15,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:44:15,189 INFO L87 Difference]: Start difference. First operand 2027 states and 2228 transitions. Second operand 8 states. [2020-10-24 01:44:17,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:44:17,853 INFO L93 Difference]: Finished difference Result 4180 states and 4612 transitions. [2020-10-24 01:44:17,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-24 01:44:17,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 276 [2020-10-24 01:44:17,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:44:17,862 INFO L225 Difference]: With dead ends: 4180 [2020-10-24 01:44:17,862 INFO L226 Difference]: Without dead ends: 1449 [2020-10-24 01:44:17,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-24 01:44:17,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2020-10-24 01:44:18,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1449. [2020-10-24 01:44:18,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1449 states. [2020-10-24 01:44:18,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1449 states and 1501 transitions. [2020-10-24 01:44:18,115 INFO L78 Accepts]: Start accepts. Automaton has 1449 states and 1501 transitions. Word has length 276 [2020-10-24 01:44:18,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:44:18,116 INFO L481 AbstractCegarLoop]: Abstraction has 1449 states and 1501 transitions. [2020-10-24 01:44:18,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:44:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1501 transitions. [2020-10-24 01:44:18,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-10-24 01:44:18,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:44:18,120 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:44:18,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:44:18,121 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:44:18,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:44:18,121 INFO L82 PathProgramCache]: Analyzing trace with hash 637744107, now seen corresponding path program 1 times [2020-10-24 01:44:18,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:44:18,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228882201] [2020-10-24 01:44:18,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:44:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:18,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:44:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:18,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:44:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:18,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 01:44:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:18,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-24 01:44:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:44:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 126 proven. 24 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-24 01:44:18,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228882201] [2020-10-24 01:44:18,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:44:18,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 01:44:18,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977172398] [2020-10-24 01:44:18,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:44:18,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:44:18,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:44:18,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:44:18,695 INFO L87 Difference]: Start difference. First operand 1449 states and 1501 transitions. Second operand 10 states. [2020-10-24 01:44:21,174 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-24 01:44:22,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:44:22,155 INFO L93 Difference]: Finished difference Result 2091 states and 2179 transitions. [2020-10-24 01:44:22,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 01:44:22,155 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 318 [2020-10-24 01:44:22,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:44:22,157 INFO L225 Difference]: With dead ends: 2091 [2020-10-24 01:44:22,157 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:44:22,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2020-10-24 01:44:22,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:44:22,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:44:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:44:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:44:22,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 318 [2020-10-24 01:44:22,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:44:22,161 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:44:22,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:44:22,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:44:22,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:44:22,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 01:44:22,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:45:12,303 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:45:13,231 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-10-24 01:45:15,709 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:45:16,482 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-10-24 01:45:17,412 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:45:18,184 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:45:20,709 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:45:23,153 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:45:25,620 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:45:26,391 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:45:27,319 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:45:28,266 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:45:30,728 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:45:31,505 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:45:32,407 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-10-24 01:45:33,629 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 151 DAG size of output: 69 [2020-10-24 01:45:34,578 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-10-24 01:45:35,453 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:45:36,249 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:45:37,149 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 66 [2020-10-24 01:45:37,926 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:45:38,700 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:45:41,093 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:45:43,510 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:45:44,432 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 66 [2020-10-24 01:45:45,213 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:45:46,196 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:45:46,981 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:45:49,487 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:45:50,553 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 150 DAG size of output: 73 [2020-10-24 01:45:51,713 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 151 DAG size of output: 77 [2020-10-24 01:45:54,119 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:45:55,293 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 149 DAG size of output: 71 [2020-10-24 01:45:56,235 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:45:56,944 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 67 [2020-10-24 01:45:57,577 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2020-10-24 01:45:58,611 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-10-24 01:46:01,023 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:46:01,817 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:46:02,705 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 63 [2020-10-24 01:46:05,121 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:46:05,846 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 67 [2020-10-24 01:46:06,634 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:46:09,076 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:46:09,973 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-10-24 01:46:11,041 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-10-24 01:46:13,466 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:46:15,878 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:46:16,531 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-24 01:46:17,789 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2020-10-24 01:46:18,738 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 66 [2020-10-24 01:46:19,646 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2020-10-24 01:46:20,423 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:46:21,532 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2020-10-24 01:46:22,176 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-10-24 01:46:23,179 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-10-24 01:46:23,879 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:46:24,670 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:46:27,099 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:46:29,525 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:46:31,968 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:46:33,192 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 146 DAG size of output: 69 [2020-10-24 01:46:34,137 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2020-10-24 01:46:36,567 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:46:37,511 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-10-24 01:46:38,471 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:46:39,225 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-24 01:46:41,726 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:46:42,687 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:46:45,190 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:46:47,690 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:46:50,190 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:46:50,985 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:46:51,644 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-24 01:46:54,101 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:46:55,266 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-10-24 01:46:56,874 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-10-24 01:46:57,678 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:46:58,494 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:46:59,461 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-10-24 01:47:00,260 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:47:01,061 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:47:03,510 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:47:05,954 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:47:06,868 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2020-10-24 01:47:07,810 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2020-10-24 01:47:08,613 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:47:09,589 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-10-24 01:47:10,636 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 144 DAG size of output: 77 [2020-10-24 01:47:13,158 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:47:15,603 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:47:18,057 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:47:19,061 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-10-24 01:47:19,870 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:47:20,662 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:47:23,202 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:47:24,000 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:47:26,515 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:47:29,047 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:47:29,854 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:47:31,151 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 150 DAG size of output: 78 [2020-10-24 01:47:31,968 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:47:32,615 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2020-10-24 01:47:33,867 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 139 DAG size of output: 67 [2020-10-24 01:47:36,328 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:47:37,142 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:47:39,614 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:47:40,189 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-10-24 01:47:41,008 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:47:41,953 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 66 [2020-10-24 01:47:44,436 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:47:46,898 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:47:49,377 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:47:50,223 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:47:51,183 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-10-24 01:47:51,997 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:47:54,556 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:47:55,541 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:47:56,350 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:47:57,336 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:47:58,369 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-10-24 01:47:59,270 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-10-24 01:48:00,312 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 142 DAG size of output: 72 [2020-10-24 01:48:01,607 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 155 DAG size of output: 75 [2020-10-24 01:48:02,428 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:48:03,643 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 150 DAG size of output: 66 [2020-10-24 01:48:04,592 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 66 [2020-10-24 01:48:05,419 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:48:06,236 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:48:07,055 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:48:09,547 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:48:10,365 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:48:12,845 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:48:15,342 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:48:16,609 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 149 DAG size of output: 71 [2020-10-24 01:48:17,567 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-10-24 01:48:18,397 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2020-10-24 01:48:19,357 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-10-24 01:48:20,317 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2020-10-24 01:48:21,096 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-10-24 01:48:21,978 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2020-10-24 01:48:22,802 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:48:23,521 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:48:24,342 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:48:25,336 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:48:26,332 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:48:28,905 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:48:29,910 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:48:32,472 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:48:33,481 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:48:34,780 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 139 DAG size of output: 67 [2020-10-24 01:48:35,448 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2020-10-24 01:48:36,279 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:48:38,777 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:48:39,680 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 63 [2020-10-24 01:48:40,638 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2020-10-24 01:48:41,470 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:48:43,963 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:48:44,961 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:48:47,538 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:48:50,113 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:48:50,862 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 67 [2020-10-24 01:48:53,446 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:48:54,269 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:48:56,838 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:48:57,837 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:48:58,835 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:48:59,659 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:49:02,229 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:49:03,053 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:49:05,628 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:49:06,462 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:49:07,690 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2020-10-24 01:49:08,520 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:49:11,045 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:49:11,933 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:49:12,770 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:49:13,716 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 61 [2020-10-24 01:49:16,237 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:49:18,747 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:49:19,720 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 66 [2020-10-24 01:49:22,263 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:49:23,090 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:49:25,681 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:49:28,287 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:49:30,907 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:49:31,907 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2020-10-24 01:49:32,747 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:49:35,274 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:49:36,188 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2020-10-24 01:49:38,724 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:49:39,868 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2020-10-24 01:49:40,825 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-10-24 01:49:41,669 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:49:42,508 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:49:43,418 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2020-10-24 01:49:44,259 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:49:45,106 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:49:46,510 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 151 DAG size of output: 70 [2020-10-24 01:49:47,760 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 148 DAG size of output: 69 [2020-10-24 01:49:48,636 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:49:49,609 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-10-24 01:49:50,566 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2020-10-24 01:49:53,117 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:49:53,789 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2020-10-24 01:49:54,591 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-10-24 01:49:55,504 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 66 [2020-10-24 01:49:56,187 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2020-10-24 01:49:58,723 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:50:01,298 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:50:02,329 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2020-10-24 01:50:03,474 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2020-10-24 01:50:04,751 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 145 DAG size of output: 71 [2020-10-24 01:50:05,351 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-10-24 01:50:06,195 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:50:07,441 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 150 DAG size of output: 66 [2020-10-24 01:50:08,358 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2020-10-24 01:50:09,333 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2020-10-24 01:50:11,881 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:50:14,425 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:50:15,437 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2020-10-24 01:50:17,996 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:50:20,546 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:50:21,501 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 64 [2020-10-24 01:50:24,062 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:50:25,121 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:50:27,686 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:50:28,717 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:50:31,356 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:50:34,046 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:50:36,698 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:50:37,737 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:50:38,775 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:50:39,802 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:50:42,423 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:50:43,454 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:50:44,438 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2020-10-24 01:50:45,580 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 103 DAG size of output: 68 [2020-10-24 01:50:46,438 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:50:47,294 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:50:48,148 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:50:49,007 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:50:49,869 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:50:50,757 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:50:51,658 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:50:52,584 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2020-10-24 01:50:53,591 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2020-10-24 01:50:54,839 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 141 DAG size of output: 67 [2020-10-24 01:50:56,382 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-10-24 01:50:57,238 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:50:59,879 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:51:01,097 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 149 DAG size of output: 67 [2020-10-24 01:51:02,107 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:51:03,082 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-10-24 01:51:05,666 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:51:06,855 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 146 DAG size of output: 78 [2020-10-24 01:51:07,766 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:08,642 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:09,601 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2020-10-24 01:51:10,683 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2020-10-24 01:51:11,556 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:12,419 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:13,670 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 151 DAG size of output: 77 [2020-10-24 01:51:14,537 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:15,303 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 67 [2020-10-24 01:51:17,899 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:51:20,480 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:51:21,457 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 55 [2020-10-24 01:51:24,033 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:51:26,671 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:51:27,951 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 142 DAG size of output: 66 [2020-10-24 01:51:28,786 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-10-24 01:51:29,657 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:30,525 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:31,489 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2020-10-24 01:51:32,498 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-10-24 01:51:35,076 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:51:35,951 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:36,819 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:39,421 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:51:40,104 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-10-24 01:51:42,703 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:51:43,788 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-10-24 01:51:44,672 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:47,275 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:51:48,269 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-10-24 01:51:49,153 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:50,146 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2020-10-24 01:51:51,166 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2020-10-24 01:51:52,100 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-10-24 01:51:53,817 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2020-10-24 01:51:54,695 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:55,845 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-10-24 01:51:56,918 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2020-10-24 01:51:57,792 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:58,668 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:51:59,930 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 151 DAG size of output: 77 [2020-10-24 01:52:00,804 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:52:01,681 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:52:02,498 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2020-10-24 01:52:03,509 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 96 DAG size of output: 68 [2020-10-24 01:52:04,220 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2020-10-24 01:52:06,821 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:52:06,986 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2020-10-24 01:52:09,596 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:52:10,680 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 144 DAG size of output: 69 [2020-10-24 01:52:11,602 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2020-10-24 01:52:12,477 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:52:13,354 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:52:14,695 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 164 DAG size of output: 71 [2020-10-24 01:52:15,581 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:52:16,666 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-10-24 01:52:17,683 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 147 DAG size of output: 66 [2020-10-24 01:52:18,566 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:52:19,582 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-10-24 01:52:20,617 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2020-10-24 01:52:21,494 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:52:24,107 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:52:24,968 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:52:25,967 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2020-10-24 01:52:28,689 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:52:31,303 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:52:32,583 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 150 DAG size of output: 66 [2020-10-24 01:52:35,290 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:52:36,153 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:52:37,020 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:52:37,884 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:52:40,565 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:52:41,441 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:52:44,120 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:52:46,808 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:52:47,668 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:52:50,354 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:52:53,044 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:52:53,902 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:52:54,709 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2020-10-24 01:52:56,007 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 142 DAG size of output: 66 [2020-10-24 01:52:56,722 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2020-10-24 01:52:57,648 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:52:58,524 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:53:01,232 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:53:03,856 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:53:04,849 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 64 [2020-10-24 01:53:07,481 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:53:10,157 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:53:11,017 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:53:11,894 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:53:12,967 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:53:15,668 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:53:16,295 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-10-24 01:53:16,925 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-10-24 01:53:17,556 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-10-24 01:53:18,231 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-10-24 01:53:27,686 WARN L193 SmtUtils]: Spent 9.45 s on a formula simplification. DAG size of input: 242 DAG size of output: 147 [2020-10-24 01:53:37,309 WARN L193 SmtUtils]: Spent 9.58 s on a formula simplification. DAG size of input: 242 DAG size of output: 147 [2020-10-24 01:53:39,958 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:53:41,459 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 151 DAG size of output: 71 [2020-10-24 01:53:42,502 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 148 DAG size of output: 66 [2020-10-24 01:53:45,165 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:53:46,130 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-10-24 01:53:48,799 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:53:49,703 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:53:50,748 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-10-24 01:53:53,421 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:53:56,087 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:53:56,999 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:53:58,180 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-10-24 01:53:59,080 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:53:59,986 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2020-10-24 01:54:01,595 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-10-24 01:54:02,628 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-10-24 01:54:03,895 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 158 DAG size of output: 73 [2020-10-24 01:54:04,799 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:54:05,767 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 64 [2020-10-24 01:54:06,887 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-10-24 01:54:09,569 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:54:12,255 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:54:14,937 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:54:15,848 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:54:18,536 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:54:19,648 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:54:22,391 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:54:25,147 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:54:27,880 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:54:28,969 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:54:30,064 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:54:31,336 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-10-24 01:54:34,016 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:54:35,044 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 91 DAG size of output: 63 [2020-10-24 01:54:35,966 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:54:36,709 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-10-24 01:54:37,442 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-10-24 01:54:38,504 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-10-24 01:54:39,909 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 156 DAG size of output: 68 [2020-10-24 01:54:40,824 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:54:42,054 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 154 DAG size of output: 70 [2020-10-24 01:54:43,234 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 101 DAG size of output: 72 [2020-10-24 01:54:44,251 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2020-10-24 01:54:44,899 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-10-24 01:54:45,547 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-10-24 01:54:46,191 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-10-24 01:54:47,272 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-10-24 01:54:48,323 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 94 DAG size of output: 65 [2020-10-24 01:54:49,236 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:54:50,366 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-10-24 01:54:53,048 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:54:54,203 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 99 DAG size of output: 72 [2020-10-24 01:54:55,416 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 150 DAG size of output: 67 [2020-10-24 01:54:58,116 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:55:00,868 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:55:01,792 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:55:02,799 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-10-24 01:55:03,711 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:55:04,575 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-10-24 01:55:05,631 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 141 DAG size of output: 66 [2020-10-24 01:55:08,317 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:55:09,405 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 94 DAG size of output: 67 [2020-10-24 01:55:12,172 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:55:14,948 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:55:16,136 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-10-24 01:55:17,470 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 150 DAG size of output: 66 [2020-10-24 01:55:18,366 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:55:19,267 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:55:22,039 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:55:23,184 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2020-10-24 01:55:24,100 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:55:25,108 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2020-10-24 01:55:27,820 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:55:30,552 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:55:31,484 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:55:32,639 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-10-24 01:55:33,364 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-10-24 01:55:34,289 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:55:35,648 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-10-24 01:55:37,071 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-10-24 01:55:38,024 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:55:39,316 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 150 DAG size of output: 77 [2020-10-24 01:55:40,394 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2020-10-24 01:55:41,396 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-10-24 01:55:44,103 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:55:45,451 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 150 DAG size of output: 66 [2020-10-24 01:55:46,387 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:55:47,315 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:55:48,248 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:55:49,179 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:55:50,344 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2020-10-24 01:55:53,075 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:55:54,242 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2020-10-24 01:55:56,957 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:55:57,898 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:55:58,828 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:56:01,559 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:56:02,743 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-10-24 01:56:03,804 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-10-24 01:56:04,691 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2020-10-24 01:56:07,497 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2020-10-24 01:56:10,215 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:56:11,333 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:56:12,461 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2020-10-24 01:56:13,502 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2020-10-24 01:56:14,165 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2020-10-24 01:56:15,096 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:56:16,032 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:56:17,014 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:56:17,743 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2020-10-24 01:56:18,675 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:56:19,849 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2020-10-24 01:56:20,784 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:56:22,251 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 150 DAG size of output: 78 [2020-10-24 01:56:23,188 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 55 [2020-10-24 01:56:24,549 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 142 DAG size of output: 66 [2020-10-24 01:56:25,788 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 143 DAG size of output: 70 [2020-10-24 01:56:28,519 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 193 DAG size of output: 78 [2020-10-24 01:56:29,587 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 88 DAG size of output: 61 [2020-10-24 01:56:30,652 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 141 DAG size of output: 66 [2020-10-24 01:56:31,855 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 137 DAG size of output: 66 [2020-10-24 01:56:32,759 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 67 [2020-10-24 01:56:35,558 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 190 DAG size of output: 83