/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_label42.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:44:03,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:44:03,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:44:03,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:44:03,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 23:44:03,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 23:44:03,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 23:44:03,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 23:44:03,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 23:44:03,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 23:44:03,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 23:44:03,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 23:44:03,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 23:44:03,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 23:44:03,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 23:44:03,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 23:44:03,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 23:44:03,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:44:03,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:44:03,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:44:03,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:44:03,483 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:44:03,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:44:03,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:44:03,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:44:03,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:44:03,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:44:03,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:44:03,485 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:44:03,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:44:03,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:44:03,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:44:03,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:44:03,486 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:44:03,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:44:03,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:44:03,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:44:03,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:44:03,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:44:03,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:44:03,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:44:03,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:44:03,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:44:03,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:44:03,912 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:44:03,912 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:44:03,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2021-02-23 23:44:03,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983752ea3/dbae8866c3774acda7b8586bd2398406/FLAG5cf57f833 [2021-02-23 23:44:04,705 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:44:04,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label42.c [2021-02-23 23:44:04,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983752ea3/dbae8866c3774acda7b8586bd2398406/FLAG5cf57f833 [2021-02-23 23:44:04,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/983752ea3/dbae8866c3774acda7b8586bd2398406 [2021-02-23 23:44:04,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:44:04,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:44:04,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:44:04,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:44:04,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:44:04,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:44:04" (1/1) ... [2021-02-23 23:44:04,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c642c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:44:04, skipping insertion in model container [2021-02-23 23:44:04,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:44:04" (1/1) ... [2021-02-23 23:44:04,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:44:05,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:44:05,399 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label42.c[16787,16800] [2021-02-23 23:44:05,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:44:05,470 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:44:05,550 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label42.c[16787,16800] [2021-02-23 23:44:05,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:44:05,584 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:44:05,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:44:05 WrapperNode [2021-02-23 23:44:05,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:44:05,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:44:05,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:44:05,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:44:05,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:44:05" (1/1) ... [2021-02-23 23:44:05,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:44:05" (1/1) ... [2021-02-23 23:44:05,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:44:05" (1/1) ... [2021-02-23 23:44:05,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:44:05" (1/1) ... [2021-02-23 23:44:05,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:44:05" (1/1) ... [2021-02-23 23:44:05,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:44:05" (1/1) ... [2021-02-23 23:44:05,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:44:05" (1/1) ... [2021-02-23 23:44:05,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:44:05,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:44:05,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:44:05,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:44:05,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:44:05" (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 [2021-02-23 23:44:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:44:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:44:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:44:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-23 23:44:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:44:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-23 23:44:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:44:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:44:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:44:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:44:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 23:44:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:44:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:44:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:44:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:44:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:44:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:44:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:44:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:44:07,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:44:07,244 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 23:44:07,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:44:07 BoogieIcfgContainer [2021-02-23 23:44:07,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:44:07,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:44:07,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:44:07,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:44:07,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:44:04" (1/3) ... [2021-02-23 23:44:07,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4214c71e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:44:07, skipping insertion in model container [2021-02-23 23:44:07,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:44:05" (2/3) ... [2021-02-23 23:44:07,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4214c71e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:44:07, skipping insertion in model container [2021-02-23 23:44:07,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:44:07" (3/3) ... [2021-02-23 23:44:07,256 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label42.c [2021-02-23 23:44:07,263 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:44:07,268 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:44:07,287 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:44:07,312 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:44:07,312 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:44:07,312 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:44:07,312 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:44:07,312 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:44:07,313 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:44:07,313 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:44:07,313 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:44:07,340 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-23 23:44:07,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-02-23 23:44:07,368 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:44:07,369 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] [2021-02-23 23:44:07,370 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:44:07,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:44:07,376 INFO L82 PathProgramCache]: Analyzing trace with hash -542024431, now seen corresponding path program 1 times [2021-02-23 23:44:07,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:44:07,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934481567] [2021-02-23 23:44:07,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:44:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:07,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:07,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:07,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:07,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:07,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:07,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:07,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:07,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:07,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:44:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:07,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:07,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:07,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:07,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:07,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:07,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:07,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:44:07,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934481567] [2021-02-23 23:44:07,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:44:07,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 23:44:07,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464601196] [2021-02-23 23:44:07,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:44:07,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:44:07,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:44:07,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:44:07,998 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 5 states. [2021-02-23 23:44:12,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:44:12,064 INFO L93 Difference]: Finished difference Result 1669 states and 2272 transitions. [2021-02-23 23:44:12,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 23:44:12,066 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2021-02-23 23:44:12,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:44:12,094 INFO L225 Difference]: With dead ends: 1669 [2021-02-23 23:44:12,094 INFO L226 Difference]: Without dead ends: 1046 [2021-02-23 23:44:12,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-02-23 23:44:12,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-02-23 23:44:12,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 874. [2021-02-23 23:44:12,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2021-02-23 23:44:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1074 transitions. [2021-02-23 23:44:12,414 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1074 transitions. Word has length 134 [2021-02-23 23:44:12,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:44:12,417 INFO L480 AbstractCegarLoop]: Abstraction has 874 states and 1074 transitions. [2021-02-23 23:44:12,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:44:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1074 transitions. [2021-02-23 23:44:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-02-23 23:44:12,437 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:44:12,437 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:44:12,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:44:12,438 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:44:12,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:44:12,438 INFO L82 PathProgramCache]: Analyzing trace with hash 359543968, now seen corresponding path program 1 times [2021-02-23 23:44:12,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:44:12,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167072796] [2021-02-23 23:44:12,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:44:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:12,640 WARN L141 QuantifierPusher]: treesize reduction 23, result has 25.8 percent of original size [2021-02-23 23:44:12,641 WARN L147 QuantifierPusher]: treesize reduction 23, result has 25.8 percent of original size 8 [2021-02-23 23:44:12,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:12,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:44:12,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:12,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:12,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:44:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:12,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:12,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:12,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:12,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:12,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:12,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:12,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:12,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:44:12,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:12,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:44:12,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:44:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:12,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:12,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 23:44:12,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:12,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:44:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:44:12,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167072796] [2021-02-23 23:44:12,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:44:12,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 23:44:12,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981603017] [2021-02-23 23:44:12,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 23:44:12,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:44:12,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 23:44:12,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-02-23 23:44:12,864 INFO L87 Difference]: Start difference. First operand 874 states and 1074 transitions. Second operand 10 states. [2021-02-23 23:44:13,522 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-02-23 23:44:19,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:44:19,481 INFO L93 Difference]: Finished difference Result 2357 states and 2924 transitions. [2021-02-23 23:44:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-23 23:44:19,483 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2021-02-23 23:44:19,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:44:19,508 INFO L225 Difference]: With dead ends: 2357 [2021-02-23 23:44:19,508 INFO L226 Difference]: Without dead ends: 1513 [2021-02-23 23:44:19,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2021-02-23 23:44:19,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2021-02-23 23:44:19,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1216. [2021-02-23 23:44:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2021-02-23 23:44:19,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1474 transitions. [2021-02-23 23:44:19,839 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1474 transitions. Word has length 152 [2021-02-23 23:44:19,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:44:19,840 INFO L480 AbstractCegarLoop]: Abstraction has 1216 states and 1474 transitions. [2021-02-23 23:44:19,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 23:44:19,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1474 transitions. [2021-02-23 23:44:19,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-02-23 23:44:19,845 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:44:19,845 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-23 23:44:19,846 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:44:19,846 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:44:19,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:44:19,847 INFO L82 PathProgramCache]: Analyzing trace with hash 717442286, now seen corresponding path program 1 times [2021-02-23 23:44:19,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:44:19,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001344019] [2021-02-23 23:44:19,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:44:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:19,938 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:19,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:19,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:19,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:19,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:19,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:19,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:19,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:20,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:44:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:20,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:20,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:20,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:44:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:20,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:20,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:20,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:20,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:44:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:44:20,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001344019] [2021-02-23 23:44:20,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:44:20,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-02-23 23:44:20,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428782827] [2021-02-23 23:44:20,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:44:20,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:44:20,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:44:20,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:44:20,105 INFO L87 Difference]: Start difference. First operand 1216 states and 1474 transitions. Second operand 5 states. [2021-02-23 23:44:22,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:44:22,562 INFO L93 Difference]: Finished difference Result 2450 states and 2976 transitions. [2021-02-23 23:44:22,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 23:44:22,563 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2021-02-23 23:44:22,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:44:22,572 INFO L225 Difference]: With dead ends: 2450 [2021-02-23 23:44:22,572 INFO L226 Difference]: Without dead ends: 1264 [2021-02-23 23:44:22,577 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-23 23:44:22,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2021-02-23 23:44:22,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1178. [2021-02-23 23:44:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2021-02-23 23:44:22,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1406 transitions. [2021-02-23 23:44:22,820 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1406 transitions. Word has length 156 [2021-02-23 23:44:22,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:44:22,821 INFO L480 AbstractCegarLoop]: Abstraction has 1178 states and 1406 transitions. [2021-02-23 23:44:22,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:44:22,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1406 transitions. [2021-02-23 23:44:22,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-02-23 23:44:22,826 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:44:22,826 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-23 23:44:22,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:44:22,826 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:44:22,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:44:22,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1781343637, now seen corresponding path program 1 times [2021-02-23 23:44:22,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:44:22,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662542084] [2021-02-23 23:44:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:44:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:22,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:22,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:22,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:22,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:22,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:22,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:22,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:44:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:22,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:22,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:22,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:22,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:44:22,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:44:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:22,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:22,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:22,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:22,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:44:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:44:23,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662542084] [2021-02-23 23:44:23,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:44:23,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 23:44:23,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375122694] [2021-02-23 23:44:23,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:44:23,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:44:23,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:44:23,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:44:23,038 INFO L87 Difference]: Start difference. First operand 1178 states and 1406 transitions. Second operand 7 states. [2021-02-23 23:44:25,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:44:25,835 INFO L93 Difference]: Finished difference Result 3149 states and 3957 transitions. [2021-02-23 23:44:25,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:44:25,835 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2021-02-23 23:44:25,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:44:25,853 INFO L225 Difference]: With dead ends: 3149 [2021-02-23 23:44:25,853 INFO L226 Difference]: Without dead ends: 2001 [2021-02-23 23:44:25,860 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 [2021-02-23 23:44:25,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2001 states. [2021-02-23 23:44:26,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2001 to 1947. [2021-02-23 23:44:26,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1947 states. [2021-02-23 23:44:26,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2349 transitions. [2021-02-23 23:44:26,323 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2349 transitions. Word has length 158 [2021-02-23 23:44:26,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:44:26,324 INFO L480 AbstractCegarLoop]: Abstraction has 1947 states and 2349 transitions. [2021-02-23 23:44:26,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:44:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2349 transitions. [2021-02-23 23:44:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-02-23 23:44:26,337 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:44:26,338 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:44:26,342 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 23:44:26,342 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:44:26,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:44:26,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1381088271, now seen corresponding path program 1 times [2021-02-23 23:44:26,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:44:26,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1475441118] [2021-02-23 23:44:26,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:44:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:26,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:26,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:26,458 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:44:26,459 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:44:26,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:26,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:26,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:44:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:26,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:26,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:26,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:44:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:26,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:26,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:26,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:26,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:26,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 23:44:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:26,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:26,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:26,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:26,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 23:44:26,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1475441118] [2021-02-23 23:44:26,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:44:26,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:44:26,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979295323] [2021-02-23 23:44:26,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:44:26,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:44:26,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:44:26,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:44:26,637 INFO L87 Difference]: Start difference. First operand 1947 states and 2349 transitions. Second operand 8 states. [2021-02-23 23:44:30,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:44:30,486 INFO L93 Difference]: Finished difference Result 5287 states and 6711 transitions. [2021-02-23 23:44:30,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:44:30,487 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2021-02-23 23:44:30,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:44:30,514 INFO L225 Difference]: With dead ends: 5287 [2021-02-23 23:44:30,514 INFO L226 Difference]: Without dead ends: 3520 [2021-02-23 23:44:30,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:44:30,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3520 states. [2021-02-23 23:44:31,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3520 to 3498. [2021-02-23 23:44:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3498 states. [2021-02-23 23:44:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 3498 states and 4304 transitions. [2021-02-23 23:44:31,249 INFO L78 Accepts]: Start accepts. Automaton has 3498 states and 4304 transitions. Word has length 176 [2021-02-23 23:44:31,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:44:31,250 INFO L480 AbstractCegarLoop]: Abstraction has 3498 states and 4304 transitions. [2021-02-23 23:44:31,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:44:31,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 4304 transitions. [2021-02-23 23:44:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-02-23 23:44:31,261 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:44:31,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:44:31,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 23:44:31,262 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:44:31,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:44:31,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1729047290, now seen corresponding path program 1 times [2021-02-23 23:44:31,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:44:31,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1770127365] [2021-02-23 23:44:31,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:44:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:31,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:31,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:31,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:44:31,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:44:31,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:44:31,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:31,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:44:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:31,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:31,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:31,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:31,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:44:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:31,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:31,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:44:31,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 23:44:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:31,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:31,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:31,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:44:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-02-23 23:44:31,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1770127365] [2021-02-23 23:44:31,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:44:31,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:44:31,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498357168] [2021-02-23 23:44:31,554 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:44:31,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:44:31,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:44:31,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:44:31,562 INFO L87 Difference]: Start difference. First operand 3498 states and 4304 transitions. Second operand 7 states. [2021-02-23 23:44:31,779 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2021-02-23 23:44:36,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:44:36,596 INFO L93 Difference]: Finished difference Result 7992 states and 10051 transitions. [2021-02-23 23:44:36,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 23:44:36,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 185 [2021-02-23 23:44:36,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:44:36,636 INFO L225 Difference]: With dead ends: 7992 [2021-02-23 23:44:36,637 INFO L226 Difference]: Without dead ends: 4674 [2021-02-23 23:44:36,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:44:36,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4674 states. [2021-02-23 23:44:37,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4674 to 4554. [2021-02-23 23:44:37,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4554 states. [2021-02-23 23:44:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4554 states to 4554 states and 5633 transitions. [2021-02-23 23:44:37,489 INFO L78 Accepts]: Start accepts. Automaton has 4554 states and 5633 transitions. Word has length 185 [2021-02-23 23:44:37,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:44:37,490 INFO L480 AbstractCegarLoop]: Abstraction has 4554 states and 5633 transitions. [2021-02-23 23:44:37,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:44:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 4554 states and 5633 transitions. [2021-02-23 23:44:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-02-23 23:44:37,505 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:44:37,505 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:44:37,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 23:44:37,506 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:44:37,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:44:37,506 INFO L82 PathProgramCache]: Analyzing trace with hash 348022372, now seen corresponding path program 1 times [2021-02-23 23:44:37,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:44:37,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520120154] [2021-02-23 23:44:37,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:44:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:37,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:37,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:37,555 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:44:37,556 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:44:37,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:37,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:37,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:44:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:37,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:37,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:37,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:44:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:37,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:37,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:37,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:37,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:37,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-23 23:44:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:37,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:37,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:37,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:37,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 23:44:37,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520120154] [2021-02-23 23:44:37,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:44:37,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:44:37,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783934745] [2021-02-23 23:44:37,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:44:37,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:44:37,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:44:37,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:44:37,730 INFO L87 Difference]: Start difference. First operand 4554 states and 5633 transitions. Second operand 8 states. [2021-02-23 23:44:40,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:44:40,380 INFO L93 Difference]: Finished difference Result 8957 states and 11137 transitions. [2021-02-23 23:44:40,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:44:40,381 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 189 [2021-02-23 23:44:40,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:44:40,413 INFO L225 Difference]: With dead ends: 8957 [2021-02-23 23:44:40,413 INFO L226 Difference]: Without dead ends: 4583 [2021-02-23 23:44:40,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:44:40,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4583 states. [2021-02-23 23:44:41,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4583 to 4412. [2021-02-23 23:44:41,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4412 states. [2021-02-23 23:44:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4412 states to 4412 states and 5305 transitions. [2021-02-23 23:44:41,315 INFO L78 Accepts]: Start accepts. Automaton has 4412 states and 5305 transitions. Word has length 189 [2021-02-23 23:44:41,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:44:41,315 INFO L480 AbstractCegarLoop]: Abstraction has 4412 states and 5305 transitions. [2021-02-23 23:44:41,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:44:41,316 INFO L276 IsEmpty]: Start isEmpty. Operand 4412 states and 5305 transitions. [2021-02-23 23:44:41,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-02-23 23:44:41,328 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:44:41,329 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] [2021-02-23 23:44:41,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 23:44:41,329 INFO L428 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:44:41,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:44:41,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1419128732, now seen corresponding path program 1 times [2021-02-23 23:44:41,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:44:41,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896097631] [2021-02-23 23:44:41,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:44:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:41,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:41,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:44:41,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:41,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:44:41,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:41,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:41,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:41,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:44:41,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:41,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:44:41,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:41,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:41,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:44:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:41,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:41,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:41,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:41,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:41,541 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:44:41,541 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:44:41,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:44:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:41,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:41,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:41,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:41,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:44:41,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 23:44:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:41,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:41,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:41,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:41,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:44:41,582 WARN L141 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-02-23 23:44:41,582 WARN L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-02-23 23:44:41,594 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-23 23:44:41,595 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-23 23:44:41,609 WARN L141 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-02-23 23:44:41,609 WARN L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-02-23 23:44:41,626 WARN L141 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-02-23 23:44:41,627 WARN L147 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size 16 [2021-02-23 23:44:41,653 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-23 23:44:41,654 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-23 23:44:41,789 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-23 23:44:41,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896097631] [2021-02-23 23:44:41,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:44:41,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-23 23:44:41,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099074964] [2021-02-23 23:44:41,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 23:44:41,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:44:41,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 23:44:41,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:44:41,792 INFO L87 Difference]: Start difference. First operand 4412 states and 5305 transitions. Second operand 13 states. [2021-02-23 23:44:43,191 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2021-02-23 23:44:45,322 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-02-23 23:44:49,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:44:49,020 INFO L93 Difference]: Finished difference Result 9723 states and 11817 transitions. [2021-02-23 23:44:49,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:44:49,024 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 190 [2021-02-23 23:44:49,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:44:49,049 INFO L225 Difference]: With dead ends: 9723 [2021-02-23 23:44:49,049 INFO L226 Difference]: Without dead ends: 3911 [2021-02-23 23:44:49,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2021-02-23 23:44:49,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3911 states. [2021-02-23 23:44:49,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3911 to 3856. [2021-02-23 23:44:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3856 states. [2021-02-23 23:44:49,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3856 states and 4480 transitions. [2021-02-23 23:44:49,791 INFO L78 Accepts]: Start accepts. Automaton has 3856 states and 4480 transitions. Word has length 190 [2021-02-23 23:44:49,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:44:49,792 INFO L480 AbstractCegarLoop]: Abstraction has 3856 states and 4480 transitions. [2021-02-23 23:44:49,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 23:44:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3856 states and 4480 transitions. [2021-02-23 23:44:49,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-02-23 23:44:49,803 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:44:49,804 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:44:49,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 23:44:49,804 INFO L428 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:44:49,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:44:49,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1945134258, now seen corresponding path program 1 times [2021-02-23 23:44:49,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:44:49,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510895409] [2021-02-23 23:44:49,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:44:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:49,854 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:44:49,855 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:44:49,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:49,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:44:49,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:49,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:44:49,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:49,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:44:49,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:49,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:49,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:44:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:49,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:49,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:49,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:49,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:49,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:44:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:49,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:49,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:49,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:49,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:50,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-23 23:44:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:50,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:50,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:50,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:50,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:50,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-02-23 23:44:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:50,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:50,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:50,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:50,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 58 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-02-23 23:44:50,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510895409] [2021-02-23 23:44:50,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:44:50,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-02-23 23:44:50,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399182856] [2021-02-23 23:44:50,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 23:44:50,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:44:50,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 23:44:50,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-02-23 23:44:50,112 INFO L87 Difference]: Start difference. First operand 3856 states and 4480 transitions. Second operand 9 states. [2021-02-23 23:44:51,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:44:51,729 INFO L93 Difference]: Finished difference Result 6982 states and 8171 transitions. [2021-02-23 23:44:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 23:44:51,730 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 207 [2021-02-23 23:44:51,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:44:51,750 INFO L225 Difference]: With dead ends: 6982 [2021-02-23 23:44:51,750 INFO L226 Difference]: Without dead ends: 3306 [2021-02-23 23:44:51,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-02-23 23:44:51,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3306 states. [2021-02-23 23:44:52,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3306 to 3150. [2021-02-23 23:44:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3150 states. [2021-02-23 23:44:52,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 3631 transitions. [2021-02-23 23:44:52,356 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 3631 transitions. Word has length 207 [2021-02-23 23:44:52,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:44:52,357 INFO L480 AbstractCegarLoop]: Abstraction has 3150 states and 3631 transitions. [2021-02-23 23:44:52,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 23:44:52,357 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 3631 transitions. [2021-02-23 23:44:52,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-02-23 23:44:52,366 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:44:52,367 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, 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] [2021-02-23 23:44:52,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 23:44:52,367 INFO L428 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:44:52,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:44:52,368 INFO L82 PathProgramCache]: Analyzing trace with hash -836248021, now seen corresponding path program 1 times [2021-02-23 23:44:52,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:44:52,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816172664] [2021-02-23 23:44:52,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:44:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:52,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:52,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:44:52,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:52,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:44:52,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:52,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:44:52,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:52,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 23:44:52,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:52,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 23:44:52,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:52,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:52,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:44:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:52,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:52,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:52,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:52,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:44:52,607 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:44:52,607 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:44:52,618 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-23 23:44:52,619 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-23 23:44:52,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:44:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:52,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:52,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:52,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:52,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:44:52,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 23:44:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:44:52,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:52,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:44:52,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:44:52,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:44:52,677 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-23 23:44:52,678 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-23 23:44:52,694 WARN L141 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-02-23 23:44:52,695 WARN L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-02-23 23:44:52,713 WARN L141 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-02-23 23:44:52,714 WARN L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-02-23 23:44:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 80 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-23 23:44:52,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816172664] [2021-02-23 23:44:52,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:44:52,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-02-23 23:44:52,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269047505] [2021-02-23 23:44:52,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 23:44:52,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:44:52,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 23:44:52,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:44:52,953 INFO L87 Difference]: Start difference. First operand 3150 states and 3631 transitions. Second operand 12 states. [2021-02-23 23:44:55,656 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-02-23 23:44:56,275 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-02-23 23:44:59,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:44:59,574 INFO L93 Difference]: Finished difference Result 7406 states and 8558 transitions. [2021-02-23 23:44:59,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-23 23:44:59,575 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 235 [2021-02-23 23:44:59,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:44:59,598 INFO L225 Difference]: With dead ends: 7406 [2021-02-23 23:44:59,598 INFO L226 Difference]: Without dead ends: 4231 [2021-02-23 23:44:59,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2021-02-23 23:44:59,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4231 states. [2021-02-23 23:45:00,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4231 to 3442. [2021-02-23 23:45:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3442 states. [2021-02-23 23:45:00,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 3442 states and 3900 transitions. [2021-02-23 23:45:00,194 INFO L78 Accepts]: Start accepts. Automaton has 3442 states and 3900 transitions. Word has length 235 [2021-02-23 23:45:00,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:45:00,194 INFO L480 AbstractCegarLoop]: Abstraction has 3442 states and 3900 transitions. [2021-02-23 23:45:00,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 23:45:00,194 INFO L276 IsEmpty]: Start isEmpty. Operand 3442 states and 3900 transitions. [2021-02-23 23:45:00,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-02-23 23:45:00,203 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:45:00,203 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 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] [2021-02-23 23:45:00,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 23:45:00,203 INFO L428 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:45:00,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:45:00,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1328235963, now seen corresponding path program 1 times [2021-02-23 23:45:00,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:45:00,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148800676] [2021-02-23 23:45:00,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:45:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:45:00,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:00,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:45:00,347 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:45:00,347 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:45:00,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:00,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:45:00,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:45:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:45:00,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:00,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:45:00,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:45:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:45:00,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:00,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:45:00,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:00,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:45:00,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-23 23:45:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:45:00,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:00,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:45:00,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:00,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:45:00,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 23:45:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:45:00,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:00,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:45:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 125 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-02-23 23:45:00,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148800676] [2021-02-23 23:45:00,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:45:00,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:45:00,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742365199] [2021-02-23 23:45:00,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:45:00,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:45:00,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:45:00,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:45:00,578 INFO L87 Difference]: Start difference. First operand 3442 states and 3900 transitions. Second operand 8 states. [2021-02-23 23:45:03,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:45:03,326 INFO L93 Difference]: Finished difference Result 6545 states and 7418 transitions. [2021-02-23 23:45:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-23 23:45:03,331 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 261 [2021-02-23 23:45:03,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:45:03,344 INFO L225 Difference]: With dead ends: 6545 [2021-02-23 23:45:03,345 INFO L226 Difference]: Without dead ends: 2252 [2021-02-23 23:45:03,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-02-23 23:45:03,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2252 states. [2021-02-23 23:45:03,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2252 to 2100. [2021-02-23 23:45:03,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2021-02-23 23:45:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2225 transitions. [2021-02-23 23:45:03,694 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2225 transitions. Word has length 261 [2021-02-23 23:45:03,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:45:03,694 INFO L480 AbstractCegarLoop]: Abstraction has 2100 states and 2225 transitions. [2021-02-23 23:45:03,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:45:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2225 transitions. [2021-02-23 23:45:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-02-23 23:45:03,699 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:45:03,700 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2021-02-23 23:45:03,700 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 23:45:03,700 INFO L428 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:45:03,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:45:03,701 INFO L82 PathProgramCache]: Analyzing trace with hash 222284668, now seen corresponding path program 1 times [2021-02-23 23:45:03,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:45:03,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296932221] [2021-02-23 23:45:03,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:45:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:45:03,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:03,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:45:03,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:03,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:45:03,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:03,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:45:03,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:03,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:45:03,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:03,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:45:03,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:03,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:45:03,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:03,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:45:03,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:45:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:45:03,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:03,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:45:03,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:03,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:45:03,969 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:45:03,969 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:45:03,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:45:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:45:04,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:04,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:45:04,008 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:45:04,009 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:45:04,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 23:45:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:45:04,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:04,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:45:04,043 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:45:04,043 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:45:04,044 WARN L141 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-02-23 23:45:04,045 WARN L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-02-23 23:45:04,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-02-23 23:45:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:45:04,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:45:04,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:45:04,077 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-23 23:45:04,077 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-23 23:45:04,078 WARN L141 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-02-23 23:45:04,079 WARN L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-02-23 23:45:04,096 WARN L141 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-02-23 23:45:04,097 WARN L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-02-23 23:45:04,118 WARN L141 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-02-23 23:45:04,119 WARN L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-02-23 23:45:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 155 proven. 26 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-02-23 23:45:04,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296932221] [2021-02-23 23:45:04,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:45:04,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-23 23:45:04,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103392327] [2021-02-23 23:45:04,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 23:45:04,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:45:04,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 23:45:04,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:45:04,424 INFO L87 Difference]: Start difference. First operand 2100 states and 2225 transitions. Second operand 13 states. [2021-02-23 23:45:04,670 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-23 23:45:06,026 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-02-23 23:45:06,559 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2021-02-23 23:45:07,278 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-02-23 23:45:09,235 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-02-23 23:45:09,802 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-02-23 23:45:10,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:45:10,148 INFO L93 Difference]: Finished difference Result 5636 states and 6028 transitions. [2021-02-23 23:45:10,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-23 23:45:10,151 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 303 [2021-02-23 23:45:10,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:45:10,157 INFO L225 Difference]: With dead ends: 5636 [2021-02-23 23:45:10,157 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:45:10,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=219, Invalid=593, Unknown=0, NotChecked=0, Total=812 [2021-02-23 23:45:10,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:45:10,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:45:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:45:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:45:10,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 303 [2021-02-23 23:45:10,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:45:10,171 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:45:10,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 23:45:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:45:10,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:45:10,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-23 23:45:10,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:45:14,634 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 109 [2021-02-23 23:45:32,305 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 118 [2021-02-23 23:46:34,011 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:46:36,926 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:46:37,648 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 70 [2021-02-23 23:46:38,895 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 174 DAG size of output: 66 [2021-02-23 23:46:40,240 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2021-02-23 23:46:41,660 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:46:44,150 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:46:45,096 WARN L202 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:46:47,568 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:46:49,996 WARN L202 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:46:52,483 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:46:53,440 WARN L202 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:46:54,372 WARN L202 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 67 [2021-02-23 23:46:54,975 WARN L202 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:46:56,130 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 176 DAG size of output: 71 [2021-02-23 23:46:57,362 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 172 DAG size of output: 77 [2021-02-23 23:46:58,116 WARN L202 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 72 [2021-02-23 23:46:59,071 WARN L202 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 74 [2021-02-23 23:47:01,991 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:47:03,259 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 174 DAG size of output: 66 [2021-02-23 23:47:03,863 WARN L202 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:06,774 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:47:07,377 WARN L202 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:08,221 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2021-02-23 23:47:08,801 WARN L202 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:09,852 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2021-02-23 23:47:10,356 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2021-02-23 23:47:11,293 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 66 [2021-02-23 23:47:14,087 WARN L202 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 219 DAG size of output: 85 [2021-02-23 23:47:14,816 WARN L202 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 71 [2021-02-23 23:47:15,306 WARN L202 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2021-02-23 23:47:15,797 WARN L202 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2021-02-23 23:47:17,145 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2021-02-23 23:47:19,681 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:47:20,636 WARN L202 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:47:21,988 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2021-02-23 23:47:23,231 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 118 DAG size of output: 69 [2021-02-23 23:47:24,140 WARN L202 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 70 [2021-02-23 23:47:24,745 WARN L202 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:25,752 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 69 [2021-02-23 23:47:28,675 WARN L202 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:47:29,362 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 67 [2021-02-23 23:47:29,968 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:32,907 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:47:33,573 WARN L202 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 63 [2021-02-23 23:47:34,179 WARN L202 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:34,851 WARN L202 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-02-23 23:47:37,785 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:47:40,730 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:47:41,337 WARN L202 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:42,430 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-02-23 23:47:43,038 WARN L202 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:43,646 WARN L202 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:44,143 WARN L202 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2021-02-23 23:47:44,749 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:47,691 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:47:50,640 WARN L202 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:47:51,246 WARN L202 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:52,217 WARN L202 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 69 [2021-02-23 23:47:53,503 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-02-23 23:47:54,180 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2021-02-23 23:47:54,856 WARN L202 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-02-23 23:47:55,466 WARN L202 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:56,079 WARN L202 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:56,691 WARN L202 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:57,300 WARN L202 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:57,914 WARN L202 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:47:58,592 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 63 [2021-02-23 23:47:59,266 WARN L202 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:48:02,016 WARN L202 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 218 DAG size of output: 86 [2021-02-23 23:48:02,743 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 71 [2021-02-23 23:48:03,438 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-02-23 23:48:04,523 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2021-02-23 23:48:07,070 WARN L202 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:48:10,030 WARN L202 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:48:11,482 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:48:12,934 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:48:13,962 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-02-23 23:48:16,493 WARN L202 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:48:17,863 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2021-02-23 23:48:20,391 WARN L202 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:48:22,926 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:48:23,541 WARN L202 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:48:24,655 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 167 DAG size of output: 72 [2021-02-23 23:48:25,267 WARN L202 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:48:26,223 WARN L202 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 66 [2021-02-23 23:48:27,273 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 127 DAG size of output: 73 [2021-02-23 23:48:30,244 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:48:30,968 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-02-23 23:48:32,024 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 168 DAG size of output: 67 [2021-02-23 23:48:32,638 WARN L202 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:48:33,253 WARN L202 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:48:33,867 WARN L202 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:48:34,740 WARN L202 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 76 [2021-02-23 23:48:37,706 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:48:38,712 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 74 [2021-02-23 23:48:41,686 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:48:42,302 WARN L202 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:48:43,034 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 67 [2021-02-23 23:48:46,014 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:48:48,980 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:48:49,872 WARN L202 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 55 [2021-02-23 23:48:52,839 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:48:55,384 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:48:56,347 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 66 [2021-02-23 23:48:57,388 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 114 DAG size of output: 68 [2021-02-23 23:48:58,005 WARN L202 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:49:00,557 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:49:01,534 WARN L202 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:49:02,510 WARN L202 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:49:03,553 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-02-23 23:49:06,103 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:49:06,719 WARN L202 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:49:09,700 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:49:10,378 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 63 [2021-02-23 23:49:10,998 WARN L202 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:49:13,981 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:49:14,705 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-02-23 23:49:15,709 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 69 [2021-02-23 23:49:16,600 WARN L202 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 64 [2021-02-23 23:49:17,844 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 167 DAG size of output: 71 [2021-02-23 23:49:18,462 WARN L202 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:49:19,187 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 67 [2021-02-23 23:49:20,248 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 126 DAG size of output: 75 [2021-02-23 23:49:20,873 WARN L202 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:49:21,495 WARN L202 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:49:22,892 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 172 DAG size of output: 73 [2021-02-23 23:49:23,517 WARN L202 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:49:24,982 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:49:27,533 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:49:30,094 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:49:31,073 WARN L202 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:49:32,538 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:49:33,413 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2021-02-23 23:49:36,405 WARN L202 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:49:37,028 WARN L202 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:49:37,747 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-02-23 23:49:40,735 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:49:41,478 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 67 [2021-02-23 23:49:42,101 WARN L202 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:49:45,096 WARN L202 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:49:45,721 WARN L202 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:49:46,600 WARN L202 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 67 [2021-02-23 23:49:47,958 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 176 DAG size of output: 71 [2021-02-23 23:49:48,800 WARN L202 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 75 [2021-02-23 23:49:49,916 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 125 DAG size of output: 76 [2021-02-23 23:49:50,991 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-02-23 23:49:52,172 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 176 DAG size of output: 71 [2021-02-23 23:49:53,579 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 172 DAG size of output: 73 [2021-02-23 23:49:56,590 WARN L202 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:49:57,668 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 173 DAG size of output: 77 [2021-02-23 23:49:58,679 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 127 DAG size of output: 72 [2021-02-23 23:49:59,424 WARN L202 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 67 [2021-02-23 23:50:00,101 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 67 [2021-02-23 23:50:02,680 WARN L202 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:50:04,085 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2021-02-23 23:50:05,555 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2021-02-23 23:50:06,632 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-02-23 23:50:09,201 WARN L202 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:50:09,837 WARN L202 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:50:10,596 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-02-23 23:50:11,223 WARN L202 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:50:11,857 WARN L202 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:50:14,876 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:50:17,892 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:50:18,931 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 130 DAG size of output: 77 [2021-02-23 23:50:19,561 WARN L202 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:50:21,042 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:50:21,931 WARN L202 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 80 [2021-02-23 23:50:24,520 WARN L202 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:50:26,315 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 174 DAG size of output: 77 [2021-02-23 23:50:27,721 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2021-02-23 23:50:30,298 WARN L202 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:50:32,891 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:50:33,949 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-02-23 23:50:36,533 WARN L202 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:50:39,129 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:50:41,716 WARN L202 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:50:42,714 WARN L202 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:50:44,215 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:50:45,626 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2021-02-23 23:50:48,219 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:50:48,852 WARN L202 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:50:49,489 WARN L202 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:50:52,528 WARN L202 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:50:55,570 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:50:56,312 WARN L202 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2021-02-23 23:50:57,308 WARN L202 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 70 [2021-02-23 23:50:57,943 WARN L202 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:51:00,856 WARN L202 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 219 DAG size of output: 85 [2021-02-23 23:51:02,049 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 174 DAG size of output: 67 [2021-02-23 23:51:02,894 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2021-02-23 23:51:05,938 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:51:06,830 WARN L202 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 67 [2021-02-23 23:51:07,838 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:51:09,341 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2021-02-23 23:51:11,956 WARN L202 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:51:12,631 WARN L202 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:51:13,356 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 70 [2021-02-23 23:51:14,419 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 123 DAG size of output: 74 [2021-02-23 23:51:15,053 WARN L202 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:51:15,737 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 67 [2021-02-23 23:51:16,470 WARN L202 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 72 [2021-02-23 23:51:17,110 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:51:17,748 WARN L202 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:51:20,803 WARN L202 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:51:23,854 WARN L202 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:51:24,545 WARN L202 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 69 [2021-02-23 23:51:27,608 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:51:28,915 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 172 DAG size of output: 77 [2021-02-23 23:51:30,921 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 178 DAG size of output: 79 [2021-02-23 23:51:31,561 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:51:32,202 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:51:33,274 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 126 DAG size of output: 72 [2021-02-23 23:51:36,337 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:51:37,691 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 171 DAG size of output: 74 [2021-02-23 23:51:40,757 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:51:41,452 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 69 [2021-02-23 23:51:42,741 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 167 DAG size of output: 71 [2021-02-23 23:51:43,790 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 131 DAG size of output: 74 [2021-02-23 23:51:44,312 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2021-02-23 23:51:45,008 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 69 [2021-02-23 23:51:45,697 WARN L202 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 67 [2021-02-23 23:51:47,156 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 131 DAG size of output: 76 [2021-02-23 23:51:48,715 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 178 DAG size of output: 71 [2021-02-23 23:51:49,361 WARN L202 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:51:50,412 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 172 DAG size of output: 67 [2021-02-23 23:51:51,139 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 72 [2021-02-23 23:51:51,860 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-02-23 23:51:52,503 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:51:53,668 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 167 DAG size of output: 72 [2021-02-23 23:51:54,311 WARN L202 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:51:54,955 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:51:56,206 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 170 DAG size of output: 71 [2021-02-23 23:51:59,282 WARN L202 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:51:59,928 WARN L202 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:52:03,013 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:52:03,966 WARN L202 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 80 [2021-02-23 23:52:07,071 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:52:08,354 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 116 DAG size of output: 67 [2021-02-23 23:52:09,001 WARN L202 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:52:10,097 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-02-23 23:52:11,125 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:52:13,778 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:52:15,317 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:52:17,976 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:52:20,659 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:52:23,320 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:52:24,859 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:52:25,889 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:52:27,340 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 163 DAG size of output: 69 [2021-02-23 23:52:27,990 WARN L202 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:52:29,328 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 170 DAG size of output: 71 [2021-02-23 23:52:32,436 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:52:35,549 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:52:38,652 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:52:39,305 WARN L202 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:52:40,906 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 172 DAG size of output: 71 [2021-02-23 23:52:41,558 WARN L202 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:52:42,622 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2021-02-23 23:52:44,300 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 174 DAG size of output: 78 [2021-02-23 23:52:46,974 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:52:50,096 WARN L202 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:52:53,219 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:52:54,001 WARN L202 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 69 [2021-02-23 23:52:55,041 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 122 DAG size of output: 73 [2021-02-23 23:52:55,697 WARN L202 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:52:56,398 WARN L202 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:52:57,483 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 120 DAG size of output: 72 [2021-02-23 23:53:00,605 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:53:01,261 WARN L202 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:01,918 WARN L202 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:05,048 WARN L202 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:53:08,191 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:53:09,412 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 173 DAG size of output: 67 [2021-02-23 23:53:10,686 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 170 DAG size of output: 71 [2021-02-23 23:53:11,396 WARN L202 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 67 [2021-02-23 23:53:12,053 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:15,196 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:53:16,101 WARN L202 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 62 [2021-02-23 23:53:17,206 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 127 DAG size of output: 71 [2021-02-23 23:53:17,861 WARN L202 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:21,002 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:53:21,931 WARN L202 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 67 [2021-02-23 23:53:23,435 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 178 DAG size of output: 79 [2021-02-23 23:53:24,670 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2021-02-23 23:53:25,631 WARN L202 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-02-23 23:53:26,289 WARN L202 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:27,068 WARN L202 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 67 [2021-02-23 23:53:27,732 WARN L202 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:28,835 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 173 DAG size of output: 69 [2021-02-23 23:53:30,075 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 123 DAG size of output: 80 [2021-02-23 23:53:31,191 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 169 DAG size of output: 70 [2021-02-23 23:53:32,655 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 180 DAG size of output: 72 [2021-02-23 23:53:33,313 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:34,675 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 174 DAG size of output: 66 [2021-02-23 23:53:35,699 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 166 DAG size of output: 67 [2021-02-23 23:53:36,359 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:37,025 WARN L202 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:38,015 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 67 [2021-02-23 23:53:38,679 WARN L202 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:40,087 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 117 DAG size of output: 71 [2021-02-23 23:53:41,287 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 175 DAG size of output: 69 [2021-02-23 23:53:42,146 WARN L202 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 55 [2021-02-23 23:53:42,810 WARN L202 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:43,473 WARN L202 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:45,047 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 179 DAG size of output: 72 [2021-02-23 23:53:45,714 WARN L202 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:48,884 WARN L202 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:53:49,550 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:50,216 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:51,004 WARN L202 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 66 [2021-02-23 23:53:51,667 WARN L202 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:53:51,836 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 34 [2021-02-23 23:53:52,569 WARN L202 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 65 [2021-02-23 23:53:55,742 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:53:56,454 WARN L202 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-02-23 23:53:58,042 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 123 DAG size of output: 78 [2021-02-23 23:53:58,869 WARN L202 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 67 [2021-02-23 23:54:02,049 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:54:02,872 WARN L202 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2021-02-23 23:54:03,540 WARN L202 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:54:06,716 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:54:08,241 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 122 DAG size of output: 78 [2021-02-23 23:54:11,429 WARN L202 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:54:12,782 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 129 DAG size of output: 74 [2021-02-23 23:54:13,770 WARN L202 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 69 [2021-02-23 23:54:14,897 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-02-23 23:54:17,633 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:54:20,831 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:54:24,040 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:54:25,432 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 170 DAG size of output: 71 [2021-02-23 23:54:28,495 WARN L202 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 219 DAG size of output: 85 [2021-02-23 23:54:29,569 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:54:32,313 WARN L202 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:54:35,051 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:54:37,789 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:54:39,391 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:54:40,980 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:54:42,588 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:54:45,337 WARN L202 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:54:46,931 WARN L202 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:54:48,070 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-02-23 23:54:50,818 WARN L202 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:54:51,886 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:54:52,566 WARN L202 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:54:53,919 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 121 DAG size of output: 73 [2021-02-23 23:54:54,736 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2021-02-23 23:54:55,721 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 76 [2021-02-23 23:54:58,189 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 174 DAG size of output: 76 [2021-02-23 23:54:59,324 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-02-23 23:55:02,190 WARN L202 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 217 DAG size of output: 84 [2021-02-23 23:55:03,516 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 174 DAG size of output: 71 [2021-02-23 23:55:04,681 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-02-23 23:55:07,452 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:55:10,251 WARN L202 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:55:13,065 WARN L202 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:55:14,250 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:55:14,860 WARN L202 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2021-02-23 23:55:29,180 WARN L202 SmtUtils]: Spent 14.27 s on a formula simplification. DAG size of input: 300 DAG size of output: 155 [2021-02-23 23:55:43,336 WARN L202 SmtUtils]: Spent 14.13 s on a formula simplification. DAG size of input: 300 DAG size of output: 155 [2021-02-23 23:55:44,853 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 174 DAG size of output: 66 [2021-02-23 23:55:45,656 WARN L202 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 67 [2021-02-23 23:55:46,707 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 122 DAG size of output: 68 [2021-02-23 23:55:50,129 WARN L202 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:55:53,484 WARN L202 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:55:54,932 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 130 DAG size of output: 72 [2021-02-23 23:55:58,299 WARN L202 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:56:01,779 WARN L202 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:56:03,085 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 126 DAG size of output: 72 [2021-02-23 23:56:04,337 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 129 DAG size of output: 72 [2021-02-23 23:56:05,079 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:56:06,346 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2021-02-23 23:56:07,111 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:56:07,873 WARN L202 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:56:08,630 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:56:09,381 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:56:10,218 WARN L202 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 66 [2021-02-23 23:56:13,746 WARN L202 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:56:15,224 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 174 DAG size of output: 72 [2021-02-23 23:56:18,640 WARN L202 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:56:19,393 WARN L202 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-02-23 23:56:22,886 WARN L202 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:56:26,397 WARN L202 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:56:27,247 WARN L202 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 72 [2021-02-23 23:56:28,304 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 125 DAG size of output: 79 [2021-02-23 23:56:29,608 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 172 DAG size of output: 72 [2021-02-23 23:56:30,304 WARN L202 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:56:31,411 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 160 DAG size of output: 68 [2021-02-23 23:56:32,104 WARN L202 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:56:35,015 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 216 DAG size of output: 82 [2021-02-23 23:56:36,778 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 161 DAG size of output: 74 [2021-02-23 23:56:39,768 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:56:42,702 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 217 DAG size of output: 82 [2021-02-23 23:56:43,904 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-02-23 23:56:44,786 WARN L202 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2021-02-23 23:56:48,282 WARN L202 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:56:49,387 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 120 DAG size of output: 68 [2021-02-23 23:56:50,929 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 175 DAG size of output: 77 [2021-02-23 23:56:51,666 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:56:53,184 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 120 DAG size of output: 70 [2021-02-23 23:56:54,184 WARN L202 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 67 [2021-02-23 23:56:57,592 WARN L202 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 220 DAG size of output: 86 [2021-02-23 23:56:58,302 WARN L202 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55 [2021-02-23 23:56:59,011 WARN L202 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 55