/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 17:38:47,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 17:38:47,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 17:38:47,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 17:38:47,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 17:38:47,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 17:38:47,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 17:38:47,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 17:38:47,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 17:38:47,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 17:38:47,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 17:38:47,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 17:38:47,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 17:38:47,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 17:38:47,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 17:38:47,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 17:38:47,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 17:38:47,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 17:38:47,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 17:38:47,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 17:38:47,309 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 17:38:47,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 17:38:47,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 17:38:47,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 17:38:47,338 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 17:38:47,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 17:38:47,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 17:38:47,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 17:38:47,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 17:38:47,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 17:38:47,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 17:38:47,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 17:38:47,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 17:38:47,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 17:38:47,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 17:38:47,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 17:38:47,342 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 17:38:47,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 17:38:47,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 17:38:47,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 17:38:47,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 17:38:47,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 17:38:47,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 17:38:47,343 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 17:38:47,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 17:38:47,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 17:38:47,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 17:38:47,733 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 17:38:47,734 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 17:38:47,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann03.c [2021-02-23 17:38:47,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7084d5899/cf930de032ab4a6990ad15a785e986c6/FLAG3a0b4779b [2021-02-23 17:38:48,402 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 17:38:48,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c [2021-02-23 17:38:48,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7084d5899/cf930de032ab4a6990ad15a785e986c6/FLAG3a0b4779b [2021-02-23 17:38:48,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7084d5899/cf930de032ab4a6990ad15a785e986c6 [2021-02-23 17:38:48,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 17:38:48,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 17:38:48,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 17:38:48,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 17:38:48,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 17:38:48,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 05:38:48" (1/1) ... [2021-02-23 17:38:48,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ffb6540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:38:48, skipping insertion in model container [2021-02-23 17:38:48,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 05:38:48" (1/1) ... [2021-02-23 17:38:48,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 17:38:48,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 17:38:48,979 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c[1168,1181] [2021-02-23 17:38:48,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 17:38:48,996 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 17:38:49,020 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c[1168,1181] [2021-02-23 17:38:49,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 17:38:49,035 INFO L208 MainTranslator]: Completed translation [2021-02-23 17:38:49,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:38:49 WrapperNode [2021-02-23 17:38:49,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 17:38:49,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 17:38:49,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 17:38:49,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 17:38:49,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:38:49" (1/1) ... [2021-02-23 17:38:49,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:38:49" (1/1) ... [2021-02-23 17:38:49,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:38:49" (1/1) ... [2021-02-23 17:38:49,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:38:49" (1/1) ... [2021-02-23 17:38:49,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:38:49" (1/1) ... [2021-02-23 17:38:49,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:38:49" (1/1) ... [2021-02-23 17:38:49,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:38:49" (1/1) ... [2021-02-23 17:38:49,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 17:38:49,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 17:38:49,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 17:38:49,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 17:38:49,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:38:49" (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 17:38:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 17:38:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 17:38:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 17:38:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2021-02-23 17:38:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 17:38:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 17:38:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 17:38:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 17:38:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 17:38:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 17:38:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2021-02-23 17:38:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 17:38:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 17:38:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 17:38:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 17:38:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 17:38:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 17:38:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 17:38:49,452 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 17:38:49,453 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 17:38:49,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 05:38:49 BoogieIcfgContainer [2021-02-23 17:38:49,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 17:38:49,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 17:38:49,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 17:38:49,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 17:38:49,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 05:38:48" (1/3) ... [2021-02-23 17:38:49,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686cd41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 05:38:49, skipping insertion in model container [2021-02-23 17:38:49,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:38:49" (2/3) ... [2021-02-23 17:38:49,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@686cd41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 05:38:49, skipping insertion in model container [2021-02-23 17:38:49,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 05:38:49" (3/3) ... [2021-02-23 17:38:49,466 INFO L111 eAbstractionObserver]: Analyzing ICFG Ackermann03.c [2021-02-23 17:38:49,507 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 17:38:49,515 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 17:38:49,560 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 17:38:49,600 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 17:38:49,600 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 17:38:49,600 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 17:38:49,601 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 17:38:49,601 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 17:38:49,601 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 17:38:49,601 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 17:38:49,601 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 17:38:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2021-02-23 17:38:49,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-23 17:38:49,630 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:38:49,631 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] [2021-02-23 17:38:49,632 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:38:49,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:38:49,639 INFO L82 PathProgramCache]: Analyzing trace with hash 305373308, now seen corresponding path program 1 times [2021-02-23 17:38:49,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:38:49,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070479851] [2021-02-23 17:38:49,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:38:49,763 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:38:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:50,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:50,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:50,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:50,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:50,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:50,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:50,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:38:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:50,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:50,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:50,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:38:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:50,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:50,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:50,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:50,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:50,197 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 17:38:50,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070479851] [2021-02-23 17:38:50,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:38:50,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 17:38:50,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399142571] [2021-02-23 17:38:50,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 17:38:50,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:38:50,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 17:38:50,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 17:38:50,224 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 6 states. [2021-02-23 17:38:50,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:38:50,700 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2021-02-23 17:38:50,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 17:38:50,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-02-23 17:38:50,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:38:50,715 INFO L225 Difference]: With dead ends: 97 [2021-02-23 17:38:50,715 INFO L226 Difference]: Without dead ends: 53 [2021-02-23 17:38:50,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 17:38:50,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-02-23 17:38:50,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-02-23 17:38:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-02-23 17:38:50,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2021-02-23 17:38:50,810 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 32 [2021-02-23 17:38:50,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:38:50,811 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2021-02-23 17:38:50,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 17:38:50,811 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2021-02-23 17:38:50,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-23 17:38:50,818 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:38:50,818 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-23 17:38:50,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 17:38:50,819 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:38:50,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:38:50,833 INFO L82 PathProgramCache]: Analyzing trace with hash -40053035, now seen corresponding path program 1 times [2021-02-23 17:38:50,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:38:50,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171892982] [2021-02-23 17:38:50,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:38:50,840 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:38:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:50,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:50,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:50,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:50,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:50,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:50,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:50,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:38:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:51,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:51,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:38:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:51,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:51,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:51,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:51,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:51,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 17:38:51,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171892982] [2021-02-23 17:38:51,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:38:51,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 17:38:51,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254377821] [2021-02-23 17:38:51,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 17:38:51,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:38:51,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 17:38:51,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 17:38:51,077 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 6 states. [2021-02-23 17:38:51,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:38:51,324 INFO L93 Difference]: Finished difference Result 91 states and 116 transitions. [2021-02-23 17:38:51,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 17:38:51,325 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2021-02-23 17:38:51,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:38:51,328 INFO L225 Difference]: With dead ends: 91 [2021-02-23 17:38:51,328 INFO L226 Difference]: Without dead ends: 55 [2021-02-23 17:38:51,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-23 17:38:51,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-02-23 17:38:51,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-02-23 17:38:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-02-23 17:38:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2021-02-23 17:38:51,348 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 42 [2021-02-23 17:38:51,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:38:51,349 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2021-02-23 17:38:51,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 17:38:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-02-23 17:38:51,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-23 17:38:51,352 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:38:51,352 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-02-23 17:38:51,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 17:38:51,353 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:38:51,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:38:51,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1101309652, now seen corresponding path program 1 times [2021-02-23 17:38:51,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:38:51,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987837344] [2021-02-23 17:38:51,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:38:51,357 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:38:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:51,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:51,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:51,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:51,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:38:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:51,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:51,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:38:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:51,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:51,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:51,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:51,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:51,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:51,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:51,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:51,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:51,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:51,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:38:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:51,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:51,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:51,559 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-02-23 17:38:51,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987837344] [2021-02-23 17:38:51,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:38:51,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 17:38:51,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125646735] [2021-02-23 17:38:51,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 17:38:51,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:38:51,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 17:38:51,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-23 17:38:51,563 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand 7 states. [2021-02-23 17:38:51,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:38:51,927 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2021-02-23 17:38:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 17:38:51,927 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2021-02-23 17:38:51,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:38:51,931 INFO L225 Difference]: With dead ends: 83 [2021-02-23 17:38:51,931 INFO L226 Difference]: Without dead ends: 77 [2021-02-23 17:38:51,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 17:38:51,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-02-23 17:38:51,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-02-23 17:38:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-02-23 17:38:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2021-02-23 17:38:51,958 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 61 [2021-02-23 17:38:51,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:38:51,958 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2021-02-23 17:38:51,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 17:38:51,959 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2021-02-23 17:38:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-02-23 17:38:51,962 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:38:51,962 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 17:38:51,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 17:38:51,963 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:38:51,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:38:51,963 INFO L82 PathProgramCache]: Analyzing trace with hash 697726399, now seen corresponding path program 2 times [2021-02-23 17:38:51,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:38:51,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549273369] [2021-02-23 17:38:51,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:38:51,967 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:38:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:52,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:38:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:38:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:52,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:38:52,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:52,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:52,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:52,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:38:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:52,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:52,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:38:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-02-23 17:38:52,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549273369] [2021-02-23 17:38:52,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:38:52,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 17:38:52,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149824282] [2021-02-23 17:38:52,235 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 17:38:52,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:38:52,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 17:38:52,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-23 17:38:52,236 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand 8 states. [2021-02-23 17:38:52,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:38:52,704 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-02-23 17:38:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 17:38:52,705 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2021-02-23 17:38:52,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:38:52,709 INFO L225 Difference]: With dead ends: 115 [2021-02-23 17:38:52,710 INFO L226 Difference]: Without dead ends: 109 [2021-02-23 17:38:52,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-02-23 17:38:52,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-02-23 17:38:52,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-02-23 17:38:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-02-23 17:38:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 161 transitions. [2021-02-23 17:38:52,744 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 161 transitions. Word has length 80 [2021-02-23 17:38:52,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:38:52,745 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 161 transitions. [2021-02-23 17:38:52,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 17:38:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 161 transitions. [2021-02-23 17:38:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-02-23 17:38:52,749 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:38:52,749 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 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 17:38:52,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 17:38:52,749 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:38:52,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:38:52,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1386789945, now seen corresponding path program 3 times [2021-02-23 17:38:52,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:38:52,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691987475] [2021-02-23 17:38:52,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:38:52,753 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:38:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:38:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:38:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:52,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:52,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:52,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:52,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:52,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:52,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:53,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:53,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:53,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:53,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:53,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:53,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:53,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:53,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:53,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:53,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:53,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:53,094 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 17:38:53,095 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 17:38:53,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 17:38:53,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:38:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:53,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:53,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:53,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:38:53,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 17:38:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:53,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:53,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:53,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:53,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:53,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:53,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-23 17:38:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:53,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:53,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:53,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:53,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:53,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:53,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:53,279 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-02-23 17:38:53,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691987475] [2021-02-23 17:38:53,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:38:53,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-02-23 17:38:53,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74823536] [2021-02-23 17:38:53,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-23 17:38:53,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:38:53,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-23 17:38:53,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-02-23 17:38:53,282 INFO L87 Difference]: Start difference. First operand 109 states and 161 transitions. Second operand 16 states. [2021-02-23 17:38:55,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:38:55,530 INFO L93 Difference]: Finished difference Result 385 states and 934 transitions. [2021-02-23 17:38:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-23 17:38:55,531 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 129 [2021-02-23 17:38:55,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:38:55,540 INFO L225 Difference]: With dead ends: 385 [2021-02-23 17:38:55,541 INFO L226 Difference]: Without dead ends: 297 [2021-02-23 17:38:55,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=447, Invalid=1533, Unknown=0, NotChecked=0, Total=1980 [2021-02-23 17:38:55,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-02-23 17:38:55,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 176. [2021-02-23 17:38:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2021-02-23 17:38:55,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 334 transitions. [2021-02-23 17:38:55,628 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 334 transitions. Word has length 129 [2021-02-23 17:38:55,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:38:55,628 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 334 transitions. [2021-02-23 17:38:55,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-02-23 17:38:55,628 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 334 transitions. [2021-02-23 17:38:55,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-02-23 17:38:55,634 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:38:55,635 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 10, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 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 17:38:55,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 17:38:55,635 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:38:55,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:38:55,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1061589486, now seen corresponding path program 4 times [2021-02-23 17:38:55,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:38:55,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301995122] [2021-02-23 17:38:55,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:38:55,639 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:38:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:55,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:55,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:55,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:38:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:55,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:55,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:38:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:55,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:55,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:55,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:55,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:55,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:55,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:38:55,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:55,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:55,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:55,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:38:55,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:38:55,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:55,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:55,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 17:38:55,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:38:55,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:38:55,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:55,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:55,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:38:55,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:38:55,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:55,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:55,948 WARN L141 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-02-23 17:38:55,950 WARN L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-02-23 17:38:55,977 WARN L141 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-02-23 17:38:55,978 WARN L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-02-23 17:38:55,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:55,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 17:38:56,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:38:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:56,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:56,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:56,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:38:56,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 17:38:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:56,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:56,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:38:56,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:38:56,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:56,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:56,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:56,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:38:56,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:38:56,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:38:56,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:56,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:56,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:56,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:38:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:56,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:56,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 17:38:56,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:56,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:56,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:56,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:56,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 17:38:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:56,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:56,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:56,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:56,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-02-23 17:38:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:56,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:56,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:56,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:56,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:56,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:56,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 40 proven. 72 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-02-23 17:38:56,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301995122] [2021-02-23 17:38:56,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:38:56,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-02-23 17:38:56,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190761992] [2021-02-23 17:38:56,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-23 17:38:56,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:38:56,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-23 17:38:56,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2021-02-23 17:38:56,491 INFO L87 Difference]: Start difference. First operand 176 states and 334 transitions. Second operand 24 states. [2021-02-23 17:38:58,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:38:58,774 INFO L93 Difference]: Finished difference Result 346 states and 779 transitions. [2021-02-23 17:38:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-23 17:38:58,775 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 177 [2021-02-23 17:38:58,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:38:58,779 INFO L225 Difference]: With dead ends: 346 [2021-02-23 17:38:58,780 INFO L226 Difference]: Without dead ends: 191 [2021-02-23 17:38:58,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=450, Invalid=1806, Unknown=0, NotChecked=0, Total=2256 [2021-02-23 17:38:58,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-02-23 17:38:58,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 176. [2021-02-23 17:38:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2021-02-23 17:38:58,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 301 transitions. [2021-02-23 17:38:58,841 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 301 transitions. Word has length 177 [2021-02-23 17:38:58,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:38:58,842 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 301 transitions. [2021-02-23 17:38:58,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-23 17:38:58,842 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 301 transitions. [2021-02-23 17:38:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-02-23 17:38:58,848 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:38:58,848 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 16, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 1, 1, 1, 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 17:38:58,848 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 17:38:58,848 INFO L428 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:38:58,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:38:58,849 INFO L82 PathProgramCache]: Analyzing trace with hash -573730218, now seen corresponding path program 5 times [2021-02-23 17:38:58,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:38:58,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [131316517] [2021-02-23 17:38:58,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:38:58,853 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:38:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:58,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:58,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:58,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:58,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:58,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:38:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:58,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:58,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:58,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:38:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,124 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 17:38:59,125 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 17:38:59,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 17:38:59,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:38:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:38:59,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 17:38:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:38:59,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:38:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:38:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-02-23 17:38:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:38:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:38:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:38:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:38:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:38:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-02-23 17:38:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:38:59,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:38:59,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:38:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 26 proven. 132 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-02-23 17:38:59,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [131316517] [2021-02-23 17:38:59,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:38:59,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-23 17:38:59,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347385471] [2021-02-23 17:38:59,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-23 17:38:59,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:38:59,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-23 17:38:59,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-02-23 17:38:59,564 INFO L87 Difference]: Start difference. First operand 176 states and 301 transitions. Second operand 17 states. [2021-02-23 17:39:02,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:39:02,596 INFO L93 Difference]: Finished difference Result 455 states and 1172 transitions. [2021-02-23 17:39:02,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-23 17:39:02,597 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 282 [2021-02-23 17:39:02,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:39:02,606 INFO L225 Difference]: With dead ends: 455 [2021-02-23 17:39:02,607 INFO L226 Difference]: Without dead ends: 294 [2021-02-23 17:39:02,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 893 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=845, Invalid=2815, Unknown=0, NotChecked=0, Total=3660 [2021-02-23 17:39:02,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-02-23 17:39:02,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 136. [2021-02-23 17:39:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-23 17:39:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 186 transitions. [2021-02-23 17:39:02,659 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 186 transitions. Word has length 282 [2021-02-23 17:39:02,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:39:02,660 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 186 transitions. [2021-02-23 17:39:02,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-23 17:39:02,660 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 186 transitions. [2021-02-23 17:39:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-02-23 17:39:02,664 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:39:02,664 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 13, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 1, 1, 1, 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 17:39:02,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 17:39:02,665 INFO L428 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:39:02,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:39:02,665 INFO L82 PathProgramCache]: Analyzing trace with hash 465788811, now seen corresponding path program 6 times [2021-02-23 17:39:02,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:39:02,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128952767] [2021-02-23 17:39:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:39:02,669 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:39:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:02,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:02,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:02,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:39:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:02,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:02,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:39:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:02,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:02,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:02,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:02,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:02,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:02,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:02,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:02,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:02,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:02,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:02,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:02,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:02,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:02,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:02,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:02,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:02,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:02,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 17:39:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:02,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:02,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:02,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:02,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:02,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:02,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,114 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 17:39:03,115 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 17:39:03,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 17:39:03,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:39:03,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:39:03,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:39:03,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 17:39:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:03,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:03,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:03,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 93 proven. 69 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-02-23 17:39:03,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128952767] [2021-02-23 17:39:03,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:39:03,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-02-23 17:39:03,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294209423] [2021-02-23 17:39:03,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-23 17:39:03,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:39:03,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-23 17:39:03,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2021-02-23 17:39:03,506 INFO L87 Difference]: Start difference. First operand 136 states and 186 transitions. Second operand 23 states. [2021-02-23 17:39:10,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:39:10,567 INFO L93 Difference]: Finished difference Result 393 states and 696 transitions. [2021-02-23 17:39:10,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-23 17:39:10,568 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 243 [2021-02-23 17:39:10,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:39:10,576 INFO L225 Difference]: With dead ends: 393 [2021-02-23 17:39:10,576 INFO L226 Difference]: Without dead ends: 278 [2021-02-23 17:39:10,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3716 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2343, Invalid=10089, Unknown=0, NotChecked=0, Total=12432 [2021-02-23 17:39:10,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-02-23 17:39:10,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 166. [2021-02-23 17:39:10,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2021-02-23 17:39:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 247 transitions. [2021-02-23 17:39:10,634 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 247 transitions. Word has length 243 [2021-02-23 17:39:10,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:39:10,634 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 247 transitions. [2021-02-23 17:39:10,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-23 17:39:10,635 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 247 transitions. [2021-02-23 17:39:10,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-02-23 17:39:10,640 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:39:10,640 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 14, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 1, 1, 1, 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 17:39:10,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 17:39:10,640 INFO L428 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:39:10,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:39:10,641 INFO L82 PathProgramCache]: Analyzing trace with hash 437568672, now seen corresponding path program 7 times [2021-02-23 17:39:10,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:39:10,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1464912202] [2021-02-23 17:39:10,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:39:10,644 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:39:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:10,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:10,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:10,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:39:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:10,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:10,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:39:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:10,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:10,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:10,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:10,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:10,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:10,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:10,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:10,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:10,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:10,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:10,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:10,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:10,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:10,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:10,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:10,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:10,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:10,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:10,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 17:39:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,185 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 17:39:11,185 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 17:39:11,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 17:39:11,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:39:11,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:39:11,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:39:11,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 17:39:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:11,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 17:39:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:11,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:11,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 109 proven. 81 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-02-23 17:39:11,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1464912202] [2021-02-23 17:39:11,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:39:11,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-02-23 17:39:11,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585195353] [2021-02-23 17:39:11,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-23 17:39:11,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:39:11,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-23 17:39:11,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2021-02-23 17:39:11,645 INFO L87 Difference]: Start difference. First operand 166 states and 247 transitions. Second operand 24 states. [2021-02-23 17:39:19,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:39:19,259 INFO L93 Difference]: Finished difference Result 447 states and 847 transitions. [2021-02-23 17:39:19,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-02-23 17:39:19,259 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 262 [2021-02-23 17:39:19,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:39:19,269 INFO L225 Difference]: With dead ends: 447 [2021-02-23 17:39:19,269 INFO L226 Difference]: Without dead ends: 302 [2021-02-23 17:39:19,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4376 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=2641, Invalid=11639, Unknown=0, NotChecked=0, Total=14280 [2021-02-23 17:39:19,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-02-23 17:39:19,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 200. [2021-02-23 17:39:19,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2021-02-23 17:39:19,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 316 transitions. [2021-02-23 17:39:19,342 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 316 transitions. Word has length 262 [2021-02-23 17:39:19,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:39:19,342 INFO L480 AbstractCegarLoop]: Abstraction has 200 states and 316 transitions. [2021-02-23 17:39:19,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-23 17:39:19,343 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 316 transitions. [2021-02-23 17:39:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-02-23 17:39:19,349 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:39:19,349 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 15, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 1, 1, 1, 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 17:39:19,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 17:39:19,350 INFO L428 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:39:19,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:39:19,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1442041525, now seen corresponding path program 8 times [2021-02-23 17:39:19,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:39:19,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558008092] [2021-02-23 17:39:19,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:39:19,354 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:39:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,452 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-23 17:39:19,453 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-23 17:39:19,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:39:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:39:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 17:39:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 17:39:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:19,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:19,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:19,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:19,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:20,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:20,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:20,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:20,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:20,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:20,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:20,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:20,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:20,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:20,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:20,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:20,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:20,281 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 17:39:20,282 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 17:39:20,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 17:39:20,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:20,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:20,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:20,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:39:20,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:20,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:20,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:20,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:39:20,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:20,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:20,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:20,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:39:20,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 17:39:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:20,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:20,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:20,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:39:20,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 17:39:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:20,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:20,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:20,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:20,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 17:39:20,742 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-02-23 17:39:20,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558008092] [2021-02-23 17:39:20,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:39:20,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-23 17:39:20,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071729619] [2021-02-23 17:39:20,743 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-23 17:39:20,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:39:20,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-23 17:39:20,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=598, Unknown=0, NotChecked=0, Total=650 [2021-02-23 17:39:20,744 INFO L87 Difference]: Start difference. First operand 200 states and 316 transitions. Second operand 26 states. [2021-02-23 17:39:28,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:39:28,225 INFO L93 Difference]: Finished difference Result 683 states and 1160 transitions. [2021-02-23 17:39:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-02-23 17:39:28,225 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 281 [2021-02-23 17:39:28,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:39:28,245 INFO L225 Difference]: With dead ends: 683 [2021-02-23 17:39:28,246 INFO L226 Difference]: Without dead ends: 665 [2021-02-23 17:39:28,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2636 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=855, Invalid=9245, Unknown=0, NotChecked=0, Total=10100 [2021-02-23 17:39:28,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-02-23 17:39:28,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 348. [2021-02-23 17:39:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2021-02-23 17:39:28,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 666 transitions. [2021-02-23 17:39:28,404 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 666 transitions. Word has length 281 [2021-02-23 17:39:28,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:39:28,405 INFO L480 AbstractCegarLoop]: Abstraction has 348 states and 666 transitions. [2021-02-23 17:39:28,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-23 17:39:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 666 transitions. [2021-02-23 17:39:28,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-02-23 17:39:28,419 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:39:28,419 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 17, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 4, 1, 1, 1, 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 17:39:28,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 17:39:28,420 INFO L428 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:39:28,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:39:28,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1114859737, now seen corresponding path program 9 times [2021-02-23 17:39:28,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:39:28,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790414353] [2021-02-23 17:39:28,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:39:28,425 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:39:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:39:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:39:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,757 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 17:39:28,757 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 17:39:28,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 17:39:28,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:39:28,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 17:39:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:28,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:28,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:28,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:28,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:29,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:29,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:29,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 17:39:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-23 17:39:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 17:39:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 17:39:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-23 17:39:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:29,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:29,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:29,383 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 33 proven. 174 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2021-02-23 17:39:29,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790414353] [2021-02-23 17:39:29,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:39:29,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-23 17:39:29,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978515506] [2021-02-23 17:39:29,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-23 17:39:29,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:39:29,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-23 17:39:29,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-02-23 17:39:29,386 INFO L87 Difference]: Start difference. First operand 348 states and 666 transitions. Second operand 19 states. [2021-02-23 17:39:31,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:39:31,236 INFO L93 Difference]: Finished difference Result 839 states and 1918 transitions. [2021-02-23 17:39:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-23 17:39:31,241 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 319 [2021-02-23 17:39:31,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:39:31,254 INFO L225 Difference]: With dead ends: 839 [2021-02-23 17:39:31,255 INFO L226 Difference]: Without dead ends: 383 [2021-02-23 17:39:31,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=300, Invalid=1340, Unknown=0, NotChecked=0, Total=1640 [2021-02-23 17:39:31,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2021-02-23 17:39:31,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 344. [2021-02-23 17:39:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2021-02-23 17:39:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 594 transitions. [2021-02-23 17:39:31,403 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 594 transitions. Word has length 319 [2021-02-23 17:39:31,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:39:31,403 INFO L480 AbstractCegarLoop]: Abstraction has 344 states and 594 transitions. [2021-02-23 17:39:31,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-23 17:39:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 594 transitions. [2021-02-23 17:39:31,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-02-23 17:39:31,426 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:39:31,427 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 18, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 1, 1, 1, 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 17:39:31,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 17:39:31,427 INFO L428 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:39:31,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:39:31,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1179742896, now seen corresponding path program 10 times [2021-02-23 17:39:31,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:39:31,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767231031] [2021-02-23 17:39:31,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:39:31,433 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:39:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:39:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:39:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 17:39:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:31,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 17:39:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-23 17:39:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:31,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 17:39:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-23 17:39:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:31,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:31,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:31,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 17:39:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 17:39:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-23 17:39:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:32,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:32,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 45 proven. 175 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-02-23 17:39:32,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767231031] [2021-02-23 17:39:32,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:39:32,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-23 17:39:32,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721437916] [2021-02-23 17:39:32,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 17:39:32,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:39:32,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 17:39:32,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-02-23 17:39:32,274 INFO L87 Difference]: Start difference. First operand 344 states and 594 transitions. Second operand 13 states. [2021-02-23 17:39:33,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:39:33,265 INFO L93 Difference]: Finished difference Result 614 states and 1259 transitions. [2021-02-23 17:39:33,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 17:39:33,265 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 329 [2021-02-23 17:39:33,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:39:33,273 INFO L225 Difference]: With dead ends: 614 [2021-02-23 17:39:33,273 INFO L226 Difference]: Without dead ends: 291 [2021-02-23 17:39:33,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2021-02-23 17:39:33,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-02-23 17:39:33,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 279. [2021-02-23 17:39:33,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2021-02-23 17:39:33,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 413 transitions. [2021-02-23 17:39:33,359 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 413 transitions. Word has length 329 [2021-02-23 17:39:33,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:39:33,360 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 413 transitions. [2021-02-23 17:39:33,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 17:39:33,360 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 413 transitions. [2021-02-23 17:39:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-02-23 17:39:33,365 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:39:33,366 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 16, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 4, 4, 4, 1, 1, 1, 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 17:39:33,366 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-23 17:39:33,366 INFO L428 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:39:33,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:39:33,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1767246410, now seen corresponding path program 11 times [2021-02-23 17:39:33,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:39:33,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972176933] [2021-02-23 17:39:33,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:39:33,371 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:39:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:39:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:39:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 17:39:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,855 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 17:39:33,856 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 17:39:33,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 17:39:33,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:39:33,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:39:33,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:33,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:33,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:33,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:33,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 17:39:33,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 17:39:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:34,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 17:39:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 17:39:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-23 17:39:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:34,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:34,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 88 proven. 105 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-02-23 17:39:34,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972176933] [2021-02-23 17:39:34,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:39:34,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-23 17:39:34,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671475727] [2021-02-23 17:39:34,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-23 17:39:34,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:39:34,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-23 17:39:34,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2021-02-23 17:39:34,468 INFO L87 Difference]: Start difference. First operand 279 states and 413 transitions. Second operand 26 states. [2021-02-23 17:39:36,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:39:36,987 INFO L93 Difference]: Finished difference Result 571 states and 955 transitions. [2021-02-23 17:39:36,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-23 17:39:36,988 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 300 [2021-02-23 17:39:36,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:39:36,998 INFO L225 Difference]: With dead ends: 571 [2021-02-23 17:39:36,998 INFO L226 Difference]: Without dead ends: 318 [2021-02-23 17:39:37,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=597, Invalid=2943, Unknown=0, NotChecked=0, Total=3540 [2021-02-23 17:39:37,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-02-23 17:39:37,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 287. [2021-02-23 17:39:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-02-23 17:39:37,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 424 transitions. [2021-02-23 17:39:37,102 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 424 transitions. Word has length 300 [2021-02-23 17:39:37,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:39:37,103 INFO L480 AbstractCegarLoop]: Abstraction has 287 states and 424 transitions. [2021-02-23 17:39:37,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-23 17:39:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 424 transitions. [2021-02-23 17:39:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-02-23 17:39:37,106 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:39:37,107 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 42, 23, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 5, 5, 5, 5, 5, 5, 1, 1, 1, 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 17:39:37,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-23 17:39:37,107 INFO L428 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:39:37,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:39:37,108 INFO L82 PathProgramCache]: Analyzing trace with hash 214341815, now seen corresponding path program 12 times [2021-02-23 17:39:37,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:39:37,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49549087] [2021-02-23 17:39:37,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:39:37,113 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:39:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:37,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:39:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:39:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:37,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:37,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:37,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:37,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:37,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:37,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:37,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 17:39:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 17:39:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 17:39:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 17:39:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-02-23 17:39:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 17:39:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 17:39:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:37,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-23 17:39:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:37,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:37,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked. [2021-02-23 17:39:38,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49549087] [2021-02-23 17:39:38,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:39:38,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 17:39:38,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019032192] [2021-02-23 17:39:38,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 17:39:38,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:39:38,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 17:39:38,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-02-23 17:39:38,060 INFO L87 Difference]: Start difference. First operand 287 states and 424 transitions. Second operand 9 states. [2021-02-23 17:39:38,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:39:38,611 INFO L93 Difference]: Finished difference Result 293 states and 429 transitions. [2021-02-23 17:39:38,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 17:39:38,611 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 424 [2021-02-23 17:39:38,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:39:38,616 INFO L225 Difference]: With dead ends: 293 [2021-02-23 17:39:38,616 INFO L226 Difference]: Without dead ends: 287 [2021-02-23 17:39:38,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-02-23 17:39:38,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-02-23 17:39:38,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 263. [2021-02-23 17:39:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2021-02-23 17:39:38,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 368 transitions. [2021-02-23 17:39:38,693 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 368 transitions. Word has length 424 [2021-02-23 17:39:38,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:39:38,693 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 368 transitions. [2021-02-23 17:39:38,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 17:39:38,694 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 368 transitions. [2021-02-23 17:39:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-02-23 17:39:38,697 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:39:38,698 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 43, 24, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 6, 6, 6, 6, 6, 6, 1, 1, 1, 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 17:39:38,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-23 17:39:38,698 INFO L428 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:39:38,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:39:38,698 INFO L82 PathProgramCache]: Analyzing trace with hash 200481060, now seen corresponding path program 13 times [2021-02-23 17:39:38,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:39:38,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1172320454] [2021-02-23 17:39:38,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:39:38,704 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:39:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:38,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:38,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:38,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:38,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:38,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:38,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:38,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 17:39:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:38,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:38,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:38,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 17:39:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:38,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:38,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:38,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:38,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:38,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:38,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:39,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:39,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 17:39:39,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 17:39:39,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 17:39:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-02-23 17:39:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 17:39:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-02-23 17:39:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-23 17:39:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-23 17:39:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 17:39:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-23 17:39:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 17:39:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 17:39:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-23 17:39:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-23 17:39:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 17:39:39,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 17:39:39,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 17:39:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2021-02-23 17:39:39,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1172320454] [2021-02-23 17:39:39,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 17:39:39,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 17:39:39,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917927152] [2021-02-23 17:39:39,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 17:39:39,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 17:39:39,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 17:39:39,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-02-23 17:39:39,989 INFO L87 Difference]: Start difference. First operand 263 states and 368 transitions. Second operand 12 states. [2021-02-23 17:39:40,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 17:39:40,717 INFO L93 Difference]: Finished difference Result 487 states and 766 transitions. [2021-02-23 17:39:40,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 17:39:40,717 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 434 [2021-02-23 17:39:40,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 17:39:40,723 INFO L225 Difference]: With dead ends: 487 [2021-02-23 17:39:40,723 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 17:39:40,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2021-02-23 17:39:40,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 17:39:40,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 17:39:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 17:39:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 17:39:40,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 434 [2021-02-23 17:39:40,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 17:39:40,733 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 17:39:40,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 17:39:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 17:39:40,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 17:39:40,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-23 17:39:40,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 17:39:49,067 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 104 [2021-02-23 17:39:49,176 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 84 [2021-02-23 17:39:50,391 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 101 [2021-02-23 17:39:51,059 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 116 [2021-02-23 17:39:51,429 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 98 [2021-02-23 17:39:52,753 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 132 [2021-02-23 17:39:55,996 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 105 [2021-02-23 17:39:56,321 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 104 [2021-02-23 17:39:56,807 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 104 [2021-02-23 17:39:57,448 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 104 [2021-02-23 17:39:57,896 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 116 [2021-02-23 17:39:58,317 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 132 [2021-02-23 17:39:59,240 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 158 [2021-02-23 17:39:59,442 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 150 [2021-02-23 17:39:59,630 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 147 [2021-02-23 17:39:59,832 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 150 [2021-02-23 17:40:00,020 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-23 17:40:00,157 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:00,272 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2021-02-23 17:40:00,475 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 151 [2021-02-23 17:40:00,661 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 147 [2021-02-23 17:40:00,781 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 128 [2021-02-23 17:40:00,914 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 17:40:01,047 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 17:40:01,186 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:01,319 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 122 [2021-02-23 17:40:01,429 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 133 [2021-02-23 17:40:01,698 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 153 [2021-02-23 17:40:01,896 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-23 17:40:02,134 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:02,250 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-23 17:40:02,579 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 158 [2021-02-23 17:40:02,686 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-23 17:40:02,865 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2021-02-23 17:40:03,230 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 158 [2021-02-23 17:40:03,389 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2021-02-23 17:40:03,527 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 137 [2021-02-23 17:40:03,788 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:03,977 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-23 17:40:04,261 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:04,559 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 169 [2021-02-23 17:40:04,772 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 155 [2021-02-23 17:40:04,916 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2021-02-23 17:40:05,067 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 137 [2021-02-23 17:40:05,264 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-23 17:40:05,565 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 147 [2021-02-23 17:40:06,082 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 167 [2021-02-23 17:40:06,271 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 132 [2021-02-23 17:40:06,556 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 162 [2021-02-23 17:40:06,771 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 158 [2021-02-23 17:40:06,981 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 138 [2021-02-23 17:40:07,288 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 174 [2021-02-23 17:40:07,453 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 131 [2021-02-23 17:40:07,561 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 133 [2021-02-23 17:40:07,830 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:08,118 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 174 [2021-02-23 17:40:08,520 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 155 [2021-02-23 17:40:08,711 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 147 [2021-02-23 17:40:08,946 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 143 [2021-02-23 17:40:09,181 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 143 [2021-02-23 17:40:09,494 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 150 [2021-02-23 17:40:09,714 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 156 [2021-02-23 17:40:09,850 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:10,045 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 136 [2021-02-23 17:40:10,183 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 117 [2021-02-23 17:40:10,300 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-23 17:40:10,489 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 147 [2021-02-23 17:40:10,662 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 143 [2021-02-23 17:40:10,866 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 150 [2021-02-23 17:40:11,056 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-23 17:40:11,323 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 169 [2021-02-23 17:40:11,562 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 121 [2021-02-23 17:40:11,957 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 136 [2021-02-23 17:40:12,150 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 147 [2021-02-23 17:40:12,331 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 132 [2021-02-23 17:40:12,626 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:12,776 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2021-02-23 17:40:12,965 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 133 [2021-02-23 17:40:13,100 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:13,300 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 147 [2021-02-23 17:40:13,439 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:13,637 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:13,788 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 17:40:13,925 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-23 17:40:14,224 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 174 [2021-02-23 17:40:14,506 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 169 [2021-02-23 17:40:14,734 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 158 [2021-02-23 17:40:14,916 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 143 [2021-02-23 17:40:15,157 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 132 [2021-02-23 17:40:15,365 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 155 [2021-02-23 17:40:15,502 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 131 [2021-02-23 17:40:15,775 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 150 [2021-02-23 17:40:15,982 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 138 [2021-02-23 17:40:16,118 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 133 [2021-02-23 17:40:16,328 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 138 [2021-02-23 17:40:16,581 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 139 [2021-02-23 17:40:16,782 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 153 [2021-02-23 17:40:16,982 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 153 [2021-02-23 17:40:17,201 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 156 [2021-02-23 17:40:17,425 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 156 [2021-02-23 17:40:17,659 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 156 [2021-02-23 17:40:17,810 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 132 [2021-02-23 17:40:17,995 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 132 [2021-02-23 17:40:18,264 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:18,404 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 17:40:18,582 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 154 [2021-02-23 17:40:18,691 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-23 17:40:18,823 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 17:40:19,037 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 138 [2021-02-23 17:40:19,328 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 174 [2021-02-23 17:40:19,647 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 162 [2021-02-23 17:40:19,930 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 169 [2021-02-23 17:40:20,040 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2021-02-23 17:40:20,176 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-23 17:40:20,319 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2021-02-23 17:40:20,749 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:21,072 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:21,385 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 158 [2021-02-23 17:40:21,609 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-23 17:40:21,815 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 153 [2021-02-23 17:40:22,100 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 167 [2021-02-23 17:40:22,203 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-23 17:40:22,490 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 174 [2021-02-23 17:40:22,607 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-23 17:40:22,878 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 152 [2021-02-23 17:40:23,143 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:23,403 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:23,607 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 155 [2021-02-23 17:40:23,872 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:24,077 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 95 [2021-02-23 17:40:24,415 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2021-02-23 17:40:24,704 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 174 [2021-02-23 17:40:25,011 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 158 [2021-02-23 17:40:25,273 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:25,386 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-23 17:40:25,497 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 17:40:25,633 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 133 [2021-02-23 17:40:25,788 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 121 [2021-02-23 17:40:26,031 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 161 [2021-02-23 17:40:26,397 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 179 [2021-02-23 17:40:26,503 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-23 17:40:26,738 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 131 [2021-02-23 17:40:26,938 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 155 [2021-02-23 17:40:27,491 WARN L202 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 182 [2021-02-23 17:40:27,628 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 123 [2021-02-23 17:40:27,841 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 150 [2021-02-23 17:40:27,953 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 122 [2021-02-23 17:40:28,145 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 136 [2021-02-23 17:40:28,326 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 157 [2021-02-23 17:40:28,548 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 158 [2021-02-23 17:40:28,741 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 147 [2021-02-23 17:40:29,051 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 158 [2021-02-23 17:40:29,253 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 150 [2021-02-23 17:40:29,439 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 147 [2021-02-23 17:40:29,639 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 150 [2021-02-23 17:40:29,825 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-23 17:40:29,958 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:30,067 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 123 [2021-02-23 17:40:30,270 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 151 [2021-02-23 17:40:30,454 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 147 [2021-02-23 17:40:30,576 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 128 [2021-02-23 17:40:30,707 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 17:40:30,838 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 17:40:30,972 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:31,107 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 122 [2021-02-23 17:40:31,215 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 133 [2021-02-23 17:40:31,476 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 153 [2021-02-23 17:40:31,666 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-23 17:40:31,898 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:32,009 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-23 17:40:32,319 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 158 [2021-02-23 17:40:32,595 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2021-02-23 17:40:32,960 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 158 [2021-02-23 17:40:33,146 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2021-02-23 17:40:33,279 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 137 [2021-02-23 17:40:33,544 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:33,731 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-23 17:40:34,023 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:34,299 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 169 [2021-02-23 17:40:34,500 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 155 [2021-02-23 17:40:34,642 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2021-02-23 17:40:34,791 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 137 [2021-02-23 17:40:34,978 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-23 17:40:35,247 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 147 [2021-02-23 17:40:35,753 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 167 [2021-02-23 17:40:35,931 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 132 [2021-02-23 17:40:36,196 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 162 [2021-02-23 17:40:36,410 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 158 [2021-02-23 17:40:36,625 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 138 [2021-02-23 17:40:36,913 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 174 [2021-02-23 17:40:37,063 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 131 [2021-02-23 17:40:37,171 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 133 [2021-02-23 17:40:37,442 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:37,733 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 174 [2021-02-23 17:40:38,136 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 155 [2021-02-23 17:40:38,331 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 147 [2021-02-23 17:40:38,567 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 143 [2021-02-23 17:40:38,803 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 143 [2021-02-23 17:40:39,124 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 150 [2021-02-23 17:40:39,345 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 156 [2021-02-23 17:40:39,478 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:39,671 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 136 [2021-02-23 17:40:39,804 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 117 [2021-02-23 17:40:39,922 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-23 17:40:40,109 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 147 [2021-02-23 17:40:40,281 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 143 [2021-02-23 17:40:40,484 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 150 [2021-02-23 17:40:40,675 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-23 17:40:40,942 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 169 [2021-02-23 17:40:41,171 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 121 [2021-02-23 17:40:41,534 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 136 [2021-02-23 17:40:41,718 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 147 [2021-02-23 17:40:41,898 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 132 [2021-02-23 17:40:42,169 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:42,316 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2021-02-23 17:40:42,501 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 133 [2021-02-23 17:40:42,635 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:42,826 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 147 [2021-02-23 17:40:42,960 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:43,168 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-23 17:40:43,319 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 17:40:43,455 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-23 17:40:43,744 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 174 [2021-02-23 17:40:44,023 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 169 [2021-02-23 17:40:44,248 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 158 [2021-02-23 17:40:44,431 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 143 [2021-02-23 17:40:44,670 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 132 [2021-02-23 17:40:44,880 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 155 [2021-02-23 17:40:45,017 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 131 [2021-02-23 17:40:45,286 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 150 [2021-02-23 17:40:45,499 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 138 [2021-02-23 17:40:45,636 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 133 [2021-02-23 17:40:45,847 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 138 [2021-02-23 17:40:46,097 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 139 [2021-02-23 17:40:46,302 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 153 [2021-02-23 17:40:46,503 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 153 [2021-02-23 17:40:46,722 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 156 [2021-02-23 17:40:46,942 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 156 [2021-02-23 17:40:47,164 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 156 [2021-02-23 17:40:47,313 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 132 [2021-02-23 17:40:47,495 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 132 [2021-02-23 17:40:47,755 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:47,895 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 17:40:48,071 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 154 [2021-02-23 17:40:48,179 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-23 17:40:48,317 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-23 17:40:48,526 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 138 [2021-02-23 17:40:48,819 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 174 [2021-02-23 17:40:49,138 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 162 [2021-02-23 17:40:49,412 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 169 [2021-02-23 17:40:49,522 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2021-02-23 17:40:49,656 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-23 17:40:49,799 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2021-02-23 17:40:50,247 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:50,571 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:50,873 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 158 [2021-02-23 17:40:51,104 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 131 [2021-02-23 17:40:51,313 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 153 [2021-02-23 17:40:51,603 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 167 [2021-02-23 17:40:51,996 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 174 [2021-02-23 17:40:52,108 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-23 17:40:52,376 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 152 [2021-02-23 17:40:52,646 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:52,908 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:53,113 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 155 [2021-02-23 17:40:53,388 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:53,490 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-23 17:40:53,599 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 95 [2021-02-23 17:40:53,938 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 107 [2021-02-23 17:40:54,243 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 174 [2021-02-23 17:40:54,556 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 158 [2021-02-23 17:40:54,820 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2021-02-23 17:40:54,930 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-23 17:40:55,046 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-23 17:40:55,184 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 133 [2021-02-23 17:40:55,336 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 121 [2021-02-23 17:40:55,570 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 161 [2021-02-23 17:40:55,949 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 179 [2021-02-23 17:40:56,291 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 131 [2021-02-23 17:40:56,495 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 155 [2021-02-23 17:40:57,055 WARN L202 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 182 [2021-02-23 17:40:57,197 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 123 [2021-02-23 17:40:57,400 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 150 [2021-02-23 17:40:57,526 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 122 [2021-02-23 17:40:57,722 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 136 [2021-02-23 17:40:57,905 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 157 [2021-02-23 17:40:58,129 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 158 [2021-02-23 17:40:58,329 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 147 [2021-02-23 17:40:59,242 WARN L202 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 206 [2021-02-23 17:40:59,941 WARN L202 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 208 [2021-02-23 17:41:00,599 WARN L202 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-23 17:41:01,036 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 163 [2021-02-23 17:41:01,713 WARN L202 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-23 17:41:02,506 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 204 [2021-02-23 17:41:02,925 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:41:03,117 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 123 [2021-02-23 17:41:03,792 WARN L202 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 204 [2021-02-23 17:41:04,221 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 163 [2021-02-23 17:41:04,469 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 154 [2021-02-23 17:41:04,902 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 17:41:05,318 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 17:41:05,747 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:41:06,176 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 170 [2021-02-23 17:41:06,405 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 145 [2021-02-23 17:41:06,646 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-23 17:41:07,123 WARN L202 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 173 [2021-02-23 17:41:07,902 WARN L202 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 204 [2021-02-23 17:41:08,094 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 17:41:08,511 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:41:08,739 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-23 17:41:08,950 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:41:09,425 WARN L202 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 173 [2021-02-23 17:41:09,631 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:41:10,341 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 180 [2021-02-23 17:41:11,174 WARN L202 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 199 [2021-02-23 17:41:11,467 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2021-02-23 17:41:11,947 WARN L202 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 173 [2021-02-23 17:41:12,595 WARN L202 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 180 [2021-02-23 17:41:12,835 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 136 [2021-02-23 17:41:13,854 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:41:14,649 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 204 [2021-02-23 17:41:15,665 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:41:16,324 WARN L202 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 207 [2021-02-23 17:41:16,776 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 152 [2021-02-23 17:41:17,429 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 180 [2021-02-23 17:41:18,415 WARN L202 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 235 [2021-02-23 17:41:19,207 WARN L202 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 204 [2021-02-23 17:41:19,930 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 168 [2021-02-23 17:41:20,450 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 163 [2021-02-23 17:41:20,632 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 143 [2021-02-23 17:41:20,842 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:41:21,627 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 187 [2021-02-23 17:41:22,646 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 265 DAG size of output: 233 [2021-02-23 17:41:23,328 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 192 [2021-02-23 17:41:24,311 WARN L202 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 231 [2021-02-23 17:41:24,793 WARN L202 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 173 [2021-02-23 17:41:25,650 WARN L202 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 208 [2021-02-23 17:41:26,701 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2021-02-23 17:41:27,191 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 179 [2021-02-23 17:41:27,423 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 145 [2021-02-23 17:41:28,423 WARN L202 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:41:29,475 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2021-02-23 17:41:29,663 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 17:41:29,856 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 17:41:30,306 WARN L202 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 152 [2021-02-23 17:41:30,740 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 163 [2021-02-23 17:41:30,999 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-23 17:41:31,389 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 141 [2021-02-23 17:41:31,638 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2021-02-23 17:41:32,021 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 141 [2021-02-23 17:41:32,189 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 124 [2021-02-23 17:41:32,888 WARN L202 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-23 17:41:33,409 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 178 [2021-02-23 17:41:33,843 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:41:34,593 WARN L202 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 207 [2021-02-23 17:41:35,700 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 336 DAG size of output: 257 [2021-02-23 17:41:36,053 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 160 [2021-02-23 17:41:36,491 WARN L202 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 163 [2021-02-23 17:41:36,877 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 141 [2021-02-23 17:41:37,534 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-23 17:41:38,338 WARN L202 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 204 [2021-02-23 17:41:39,008 WARN L202 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 207 [2021-02-23 17:41:39,222 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 161 [2021-02-23 17:41:39,980 WARN L202 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 182 [2021-02-23 17:41:40,138 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 113 [2021-02-23 17:41:40,314 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 120 [2021-02-23 17:41:41,049 WARN L202 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 207 [2021-02-23 17:41:41,470 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 163 [2021-02-23 17:41:42,152 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 192 [2021-02-23 17:41:43,178 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:41:43,831 WARN L202 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 180 [2021-02-23 17:41:44,713 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 206 [2021-02-23 17:41:44,947 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 145 [2021-02-23 17:41:45,367 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:41:45,800 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 163 [2021-02-23 17:41:46,212 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:41:46,449 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-23 17:41:46,862 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:41:47,320 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 17:41:47,750 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-23 17:41:48,787 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2021-02-23 17:41:49,478 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 207 [2021-02-23 17:41:50,173 WARN L202 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 208 [2021-02-23 17:41:50,573 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 141 [2021-02-23 17:41:51,380 WARN L202 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 192 [2021-02-23 17:41:52,003 WARN L202 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 202 [2021-02-23 17:41:52,298 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 153 [2021-02-23 17:41:52,543 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 17:41:53,209 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-23 17:41:54,061 WARN L202 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 208 [2021-02-23 17:41:54,365 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 145 [2021-02-23 17:41:55,219 WARN L202 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 208 [2021-02-23 17:41:55,617 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 139 [2021-02-23 17:41:56,486 WARN L202 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 210 [2021-02-23 17:41:56,955 WARN L202 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 173 [2021-02-23 17:41:57,430 WARN L202 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 173 [2021-02-23 17:41:57,950 WARN L202 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 178 [2021-02-23 17:41:58,464 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 178 [2021-02-23 17:41:58,980 WARN L202 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 178 [2021-02-23 17:41:59,536 WARN L202 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 181 [2021-02-23 17:42:00,258 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 192 [2021-02-23 17:42:01,297 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:42:01,724 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 17:42:02,231 WARN L202 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 185 [2021-02-23 17:42:02,593 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-23 17:42:03,030 WARN L202 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 17:42:03,880 WARN L202 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 208 [2021-02-23 17:42:04,931 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2021-02-23 17:42:06,043 WARN L202 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 231 [2021-02-23 17:42:06,709 WARN L202 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 207 [2021-02-23 17:42:07,091 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 159 [2021-02-23 17:42:07,520 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-23 17:42:08,156 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 180 [2021-02-23 17:42:08,360 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:42:09,212 WARN L202 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 201 [2021-02-23 17:42:10,239 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:42:10,481 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-23 17:42:11,484 WARN L202 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:42:13,253 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 398 DAG size of output: 313 [2021-02-23 17:42:13,572 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2021-02-23 17:42:14,368 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 204 [2021-02-23 17:42:14,843 WARN L202 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 173 [2021-02-23 17:42:15,906 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 265 DAG size of output: 233 [2021-02-23 17:42:16,116 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:42:17,165 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2021-02-23 17:42:17,385 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-23 17:42:19,107 WARN L202 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 393 DAG size of output: 305 [2021-02-23 17:42:20,125 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:42:21,149 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:42:21,791 WARN L202 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 202 [2021-02-23 17:42:22,807 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:42:23,012 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:42:23,569 WARN L202 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 159 [2021-02-23 17:42:23,760 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 17:42:23,952 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 17:42:24,617 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 180 [2021-02-23 17:42:25,696 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2021-02-23 17:42:27,579 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 400 DAG size of output: 313 [2021-02-23 17:42:28,619 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:42:28,995 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-23 17:42:29,377 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 17:42:29,658 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 157 [2021-02-23 17:42:30,392 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 182 [2021-02-23 17:42:31,198 WARN L202 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 215 [2021-02-23 17:42:33,129 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 429 DAG size of output: 326 [2021-02-23 17:42:33,340 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:42:33,546 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:42:33,835 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 153 [2021-02-23 17:42:34,280 WARN L202 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 152 [2021-02-23 17:42:37,491 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 527 DAG size of output: 376 [2021-02-23 17:42:38,247 WARN L202 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 209 [2021-02-23 17:42:38,911 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-23 17:42:39,291 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 162 [2021-02-23 17:42:40,062 WARN L202 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 207 [2021-02-23 17:42:40,492 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 208 [2021-02-23 17:42:41,203 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 208 [2021-02-23 17:42:41,643 WARN L202 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 163 [2021-02-23 17:42:42,542 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 206 [2021-02-23 17:42:43,258 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 208 [2021-02-23 17:42:43,935 WARN L202 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-23 17:42:44,362 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 163 [2021-02-23 17:42:45,098 WARN L202 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-23 17:42:45,918 WARN L202 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 204 [2021-02-23 17:42:46,348 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:42:46,542 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 123 [2021-02-23 17:42:47,220 WARN L202 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 204 [2021-02-23 17:42:47,649 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 163 [2021-02-23 17:42:47,903 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 154 [2021-02-23 17:42:48,328 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 17:42:48,777 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 17:42:49,201 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:42:49,642 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 170 [2021-02-23 17:42:49,880 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 145 [2021-02-23 17:42:50,121 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-23 17:42:50,587 WARN L202 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 173 [2021-02-23 17:42:51,402 WARN L202 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 204 [2021-02-23 17:42:51,598 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 17:42:52,029 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:42:52,253 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-23 17:42:52,466 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:42:52,959 WARN L202 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 173 [2021-02-23 17:42:53,172 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:42:53,901 WARN L202 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 180 [2021-02-23 17:42:54,776 WARN L202 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 199 [2021-02-23 17:42:55,075 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2021-02-23 17:42:55,567 WARN L202 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 173 [2021-02-23 17:42:56,245 WARN L202 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 180 [2021-02-23 17:42:56,486 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 136 [2021-02-23 17:42:57,519 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:42:58,321 WARN L202 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 204 [2021-02-23 17:42:59,338 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:43:00,002 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 207 [2021-02-23 17:43:00,453 WARN L202 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 152 [2021-02-23 17:43:01,107 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 180 [2021-02-23 17:43:02,113 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 318 DAG size of output: 235 [2021-02-23 17:43:02,927 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 204 [2021-02-23 17:43:03,662 WARN L202 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 168 [2021-02-23 17:43:04,187 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 163 [2021-02-23 17:43:04,380 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 143 [2021-02-23 17:43:04,590 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:43:05,394 WARN L202 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 187 [2021-02-23 17:43:06,464 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 265 DAG size of output: 233 [2021-02-23 17:43:07,172 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 192 [2021-02-23 17:43:08,169 WARN L202 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 231 [2021-02-23 17:43:08,661 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 173 [2021-02-23 17:43:09,524 WARN L202 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 208 [2021-02-23 17:43:10,582 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2021-02-23 17:43:11,078 WARN L202 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 179 [2021-02-23 17:43:11,322 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 145 [2021-02-23 17:43:12,355 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:43:13,415 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2021-02-23 17:43:13,605 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 17:43:13,795 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 17:43:14,256 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 152 [2021-02-23 17:43:14,689 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 163 [2021-02-23 17:43:14,948 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-23 17:43:15,334 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 141 [2021-02-23 17:43:15,585 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2021-02-23 17:43:15,967 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 141 [2021-02-23 17:43:16,132 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 124 [2021-02-23 17:43:16,836 WARN L202 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-23 17:43:17,348 WARN L202 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 178 [2021-02-23 17:43:17,767 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:43:18,496 WARN L202 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 207 [2021-02-23 17:43:19,608 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 336 DAG size of output: 257 [2021-02-23 17:43:19,964 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 160 [2021-02-23 17:43:20,399 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 163 [2021-02-23 17:43:20,786 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 141 [2021-02-23 17:43:21,443 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-23 17:43:22,251 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 204 [2021-02-23 17:43:22,915 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 207 [2021-02-23 17:43:23,130 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 161 [2021-02-23 17:43:23,882 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 182 [2021-02-23 17:43:24,046 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 113 [2021-02-23 17:43:24,222 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 120 [2021-02-23 17:43:24,969 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 207 [2021-02-23 17:43:25,394 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 163 [2021-02-23 17:43:26,092 WARN L202 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 192 [2021-02-23 17:43:27,142 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:43:27,792 WARN L202 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 180 [2021-02-23 17:43:28,672 WARN L202 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 206 [2021-02-23 17:43:28,909 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 145 [2021-02-23 17:43:29,331 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:43:29,784 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 163 [2021-02-23 17:43:30,205 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:43:30,447 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-23 17:43:30,882 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-23 17:43:31,346 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 17:43:31,796 WARN L202 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-23 17:43:32,885 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2021-02-23 17:43:33,577 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 207 [2021-02-23 17:43:34,282 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 208 [2021-02-23 17:43:34,690 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 141 [2021-02-23 17:43:35,509 WARN L202 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 192 [2021-02-23 17:43:36,144 WARN L202 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 202 [2021-02-23 17:43:36,431 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 153 [2021-02-23 17:43:36,693 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-23 17:43:37,355 WARN L202 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-23 17:43:38,203 WARN L202 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 208 [2021-02-23 17:43:38,501 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 145 [2021-02-23 17:43:39,327 WARN L202 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 208 [2021-02-23 17:43:39,714 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 139 [2021-02-23 17:43:40,576 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 210 [2021-02-23 17:43:41,037 WARN L202 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 173 [2021-02-23 17:43:41,502 WARN L202 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 173 [2021-02-23 17:43:42,010 WARN L202 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 178 [2021-02-23 17:43:42,533 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 178 [2021-02-23 17:43:43,034 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 178 [2021-02-23 17:43:43,554 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 181 [2021-02-23 17:43:44,251 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 192 [2021-02-23 17:43:45,251 WARN L202 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:43:45,664 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 17:43:46,140 WARN L202 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 185 [2021-02-23 17:43:46,507 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-23 17:43:47,042 WARN L202 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-23 17:43:48,364 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 238 DAG size of output: 208 [2021-02-23 17:43:49,409 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2021-02-23 17:43:50,494 WARN L202 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 231 [2021-02-23 17:43:51,148 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 207 [2021-02-23 17:43:51,523 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 159 [2021-02-23 17:43:51,963 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-23 17:43:52,612 WARN L202 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 180 [2021-02-23 17:43:52,828 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:43:53,682 WARN L202 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 201 [2021-02-23 17:43:54,718 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:43:54,957 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-23 17:43:55,964 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:43:57,765 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 398 DAG size of output: 313 [2021-02-23 17:43:58,072 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2021-02-23 17:43:58,858 WARN L202 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 204 [2021-02-23 17:43:59,332 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 173 [2021-02-23 17:44:00,382 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 265 DAG size of output: 233 [2021-02-23 17:44:00,592 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:44:01,645 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2021-02-23 17:44:01,864 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-23 17:44:03,638 WARN L202 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 393 DAG size of output: 305 [2021-02-23 17:44:04,652 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:44:05,663 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:44:06,286 WARN L202 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 202 [2021-02-23 17:44:07,287 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:44:07,497 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:44:08,046 WARN L202 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 159 [2021-02-23 17:44:08,235 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 17:44:08,427 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-23 17:44:09,067 WARN L202 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 180 [2021-02-23 17:44:10,110 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 279 DAG size of output: 237 [2021-02-23 17:44:11,906 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 400 DAG size of output: 313 [2021-02-23 17:44:12,915 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 264 DAG size of output: 231 [2021-02-23 17:44:13,289 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-23 17:44:13,651 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-23 17:44:13,925 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 157 [2021-02-23 17:44:14,658 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 182 [2021-02-23 17:44:15,465 WARN L202 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 215 [2021-02-23 17:44:17,456 WARN L202 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 429 DAG size of output: 326 [2021-02-23 17:44:17,663 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:44:17,869 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-23 17:44:18,169 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 153 [2021-02-23 17:44:18,618 WARN L202 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 152 [2021-02-23 17:44:21,827 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 527 DAG size of output: 376 [2021-02-23 17:44:22,568 WARN L202 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 209 [2021-02-23 17:44:23,233 WARN L202 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 202 [2021-02-23 17:44:23,617 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 162 [2021-02-23 17:44:24,351 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 207 [2021-02-23 17:44:24,785 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 208 [2021-02-23 17:44:25,484 WARN L202 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 208 [2021-02-23 17:44:25,921 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 163 [2021-02-23 17:44:26,327 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 184 [2021-02-23 17:44:26,668 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 149 [2021-02-23 17:44:27,004 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 147 [2021-02-23 17:44:27,185 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 124 [2021-02-23 17:44:27,514 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 147 [2021-02-23 17:44:27,899 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 185 [2021-02-23 17:44:28,157 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 17:44:28,580 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 148 [2021-02-23 17:44:28,762 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 124 [2021-02-23 17:44:28,878 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 90 [2021-02-23 17:44:29,134 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 17:44:29,388 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 17:44:29,642 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 17:44:29,909 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2021-02-23 17:44:30,164 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 17:44:30,353 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 124 [2021-02-23 17:44:30,729 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 185 [2021-02-23 17:44:30,836 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:44:31,088 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 17:44:31,201 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 82 [2021-02-23 17:44:31,303 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:44:31,500 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 131 [2021-02-23 17:44:31,603 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:44:31,955 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 168 [2021-02-23 17:44:32,372 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 183 [2021-02-23 17:44:32,570 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-23 17:44:32,770 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 131 [2021-02-23 17:44:33,065 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 168 [2021-02-23 17:44:33,633 WARN L202 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 158 [2021-02-23 17:44:34,012 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 185 [2021-02-23 17:44:34,474 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 158 [2021-02-23 17:44:34,728 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 137 [2021-02-23 17:44:34,938 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 121 [2021-02-23 17:44:35,233 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 168 [2021-02-23 17:44:35,678 WARN L202 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 198 [2021-02-23 17:44:36,056 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 185 [2021-02-23 17:44:36,404 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 152 [2021-02-23 17:44:36,648 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 124 [2021-02-23 17:44:36,807 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:44:37,172 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 172 [2021-02-23 17:44:37,655 WARN L202 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 159 [2021-02-23 17:44:37,963 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 134 [2021-02-23 17:44:38,422 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 156 [2021-02-23 17:44:38,625 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 131 [2021-02-23 17:44:39,034 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 151 [2021-02-23 17:44:39,517 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 160 [2021-02-23 17:44:39,794 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 140 [2021-02-23 17:44:40,362 WARN L202 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 158 [2021-02-23 17:44:40,841 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 160 [2021-02-23 17:44:40,944 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:44:41,047 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:44:41,230 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 121 [2021-02-23 17:44:41,410 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 124 [2021-02-23 17:44:41,575 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-23 17:44:41,744 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 114 [2021-02-23 17:44:41,907 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-23 17:44:42,076 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 114 [2021-02-23 17:44:42,535 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 147 [2021-02-23 17:44:42,732 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 124 [2021-02-23 17:44:42,983 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 17:44:43,326 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 190 [2021-02-23 17:44:43,922 WARN L202 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 216 [2021-02-23 17:44:44,125 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 120 [2021-02-23 17:44:44,310 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 124 [2021-02-23 17:44:44,481 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 114 [2021-02-23 17:44:44,807 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 147 [2021-02-23 17:44:45,195 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 185 [2021-02-23 17:44:45,449 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 137 [2021-02-23 17:44:45,565 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 138 [2021-02-23 17:44:45,930 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 166 [2021-02-23 17:44:46,404 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 190 [2021-02-23 17:44:46,584 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 124 [2021-02-23 17:44:46,899 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 134 [2021-02-23 17:44:47,388 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 158 [2021-02-23 17:44:47,692 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 168 [2021-02-23 17:44:48,108 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 184 [2021-02-23 17:44:48,210 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 114 [2021-02-23 17:44:48,468 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 17:44:48,653 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 124 [2021-02-23 17:44:48,917 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 17:44:49,081 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 17:44:49,339 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 17:44:49,624 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 17:44:49,898 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2021-02-23 17:44:50,387 WARN L202 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 160 [2021-02-23 17:44:50,671 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 137 [2021-02-23 17:44:51,020 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 149 [2021-02-23 17:44:51,211 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 114 [2021-02-23 17:44:51,630 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 134 [2021-02-23 17:44:51,962 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 143 [2021-02-23 17:44:52,098 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 86 [2021-02-23 17:44:52,259 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 17:44:52,587 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 147 [2021-02-23 17:44:53,007 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 151 [2021-02-23 17:44:53,582 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 151 [2021-02-23 17:44:53,747 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 124 [2021-02-23 17:44:54,184 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 152 [2021-02-23 17:44:54,380 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 124 [2021-02-23 17:44:54,574 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 124 [2021-02-23 17:44:54,780 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 124 [2021-02-23 17:44:54,988 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 124 [2021-02-23 17:44:55,193 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 124 [2021-02-23 17:44:55,487 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 141 [2021-02-23 17:44:55,830 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 134 [2021-02-23 17:44:56,305 WARN L202 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 158 [2021-02-23 17:44:56,581 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-23 17:44:56,848 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 143 [2021-02-23 17:44:57,082 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-23 17:44:57,341 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-23 17:44:57,774 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 151 [2021-02-23 17:44:58,259 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 160 [2021-02-23 17:44:58,811 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 156 [2021-02-23 17:44:59,066 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 137 [2021-02-23 17:44:59,309 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 132 [2021-02-23 17:44:59,573 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2021-02-23 17:44:59,877 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 168 [2021-02-23 17:44:59,981 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:45:00,463 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 184 [2021-02-23 17:45:00,946 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 158 [2021-02-23 17:45:01,111 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-23 17:45:01,605 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 158 [2021-02-23 17:45:02,620 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 298 DAG size of output: 237 [2021-02-23 17:45:02,742 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-02-23 17:45:03,163 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 185 [2021-02-23 17:45:03,376 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 124 [2021-02-23 17:45:03,982 WARN L202 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 159 [2021-02-23 17:45:04,088 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:45:04,592 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 160 [2021-02-23 17:45:04,723 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 82 [2021-02-23 17:45:05,668 WARN L202 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 227 [2021-02-23 17:45:06,137 WARN L202 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 158 [2021-02-23 17:45:06,602 WARN L202 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 158 [2021-02-23 17:45:06,929 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 143 [2021-02-23 17:45:07,393 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 158 [2021-02-23 17:45:07,498 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:45:07,758 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 149 [2021-02-23 17:45:07,866 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:45:07,970 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:45:08,272 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 168 [2021-02-23 17:45:08,766 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 160 [2021-02-23 17:45:09,732 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 237 [2021-02-23 17:45:10,201 WARN L202 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 158 [2021-02-23 17:45:10,432 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-23 17:45:10,664 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-23 17:45:10,800 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 99 [2021-02-23 17:45:11,171 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 166 [2021-02-23 17:45:11,537 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 156 [2021-02-23 17:45:12,540 WARN L202 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 246 [2021-02-23 17:45:12,645 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:45:12,752 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-23 17:45:12,890 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 86 [2021-02-23 17:45:13,074 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 121 [2021-02-23 17:45:14,893 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 393 DAG size of output: 282 [2021-02-23 17:45:15,278 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 166 [2021-02-23 17:45:15,608 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 147 [2021-02-23 17:45:15,852 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 132 [2021-02-23 17:45:16,207 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 190 [2021-02-23 17:45:16,393 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 156 [2021-02-23 17:45:16,750 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 149 [2021-02-23 17:45:16,931 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 124 [2021-02-23 17:45:20,800 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 124 [2021-02-23 17:45:24,155 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 127 [2021-02-23 17:45:24,666 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 124 [2021-02-23 17:45:25,340 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 127 [2021-02-23 17:45:25,829 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 134 [2021-02-23 17:45:26,226 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 138 [2021-02-23 17:45:27,922 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 101 [2021-02-23 17:45:28,588 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 116 [2021-02-23 17:45:30,262 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 132 [2021-02-23 17:45:33,524 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 105 [2021-02-23 17:45:33,848 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 104 [2021-02-23 17:45:34,345 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 104 [2021-02-23 17:45:34,991 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 104 [2021-02-23 17:45:35,446 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 116 [2021-02-23 17:45:35,878 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 132 [2021-02-23 17:45:36,523 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 12 [2021-02-23 17:45:37,244 WARN L202 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 27 [2021-02-23 17:45:37,986 WARN L202 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 27 [2021-02-23 17:45:38,676 WARN L202 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 32 [2021-02-23 17:45:38,969 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 10 [2021-02-23 17:45:39,088 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 18 [2021-02-23 17:45:39,233 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 7 [2021-02-23 17:45:39,344 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 14 [2021-02-23 17:45:39,453 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 14 [2021-02-23 17:45:43,707 WARN L202 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 290 DAG size of output: 75 [2021-02-23 17:45:43,978 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 10 [2021-02-23 17:45:53,609 WARN L202 SmtUtils]: Spent 9.61 s on a formula simplification. DAG size of input: 631 DAG size of output: 69 [2021-02-23 17:46:03,300 WARN L202 SmtUtils]: Spent 9.67 s on a formula simplification. DAG size of input: 631 DAG size of output: 69 [2021-02-23 17:46:30,871 WARN L202 SmtUtils]: Spent 27.53 s on a formula simplification. DAG size of input: 1378 DAG size of output: 80 [2021-02-23 17:46:58,256 WARN L202 SmtUtils]: Spent 27.35 s on a formula simplification. DAG size of input: 1378 DAG size of output: 80 [2021-02-23 17:47:14,533 WARN L202 SmtUtils]: Spent 16.26 s on a formula simplification. DAG size of input: 844 DAG size of output: 93 [2021-02-23 17:47:14,691 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 3 [2021-02-23 17:47:14,807 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 15 [2021-02-23 17:47:15,103 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 9 [2021-02-23 17:47:20,054 WARN L202 SmtUtils]: Spent 4.94 s on a formula simplification. DAG size of input: 289 DAG size of output: 70 [2021-02-23 17:47:24,390 WARN L202 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 290 DAG size of output: 75 [2021-02-23 17:47:24,397 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 17:47:24,397 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 17:47:24,397 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 17:47:24,397 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-23 17:47:24,397 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-23 17:47:24,397 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 17:47:24,397 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-23 17:47:24,397 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 17:47:24,398 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-23 17:47:24,398 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-23 17:47:24,398 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-23 17:47:24,398 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-23 17:47:24,398 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 17:47:24,398 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-23 17:47:24,398 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 17:47:24,398 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 17:47:24,398 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-23 17:47:24,399 INFO L192 CegarLoopUtils]: At program point L29(lines 29 33) the Hoare annotation is: true [2021-02-23 17:47:24,399 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 27 47) the Hoare annotation is: true [2021-02-23 17:47:24,399 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 27 47) the Hoare annotation is: true [2021-02-23 17:47:24,399 INFO L185 CegarLoopUtils]: At program point L42(lines 42 46) the Hoare annotation is: (or (<= 3 main_~m~0) (and (< 6 main_~result~0) (<= main_~result~0 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-23 17:47:24,399 INFO L192 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: true [2021-02-23 17:47:24,399 INFO L192 CegarLoopUtils]: At program point L34-1(line 34) the Hoare annotation is: true [2021-02-23 17:47:24,399 INFO L192 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: true [2021-02-23 17:47:24,399 INFO L192 CegarLoopUtils]: At program point L34-2(line 34) the Hoare annotation is: true [2021-02-23 17:47:24,400 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) the Hoare annotation is: false [2021-02-23 17:47:24,400 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 27 47) the Hoare annotation is: true [2021-02-23 17:47:24,400 INFO L192 CegarLoopUtils]: At program point L28(line 28) the Hoare annotation is: true [2021-02-23 17:47:24,400 INFO L192 CegarLoopUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2021-02-23 17:47:24,400 INFO L185 CegarLoopUtils]: At program point L45(line 45) the Hoare annotation is: false [2021-02-23 17:47:24,400 INFO L185 CegarLoopUtils]: At program point L45-1(line 45) the Hoare annotation is: false [2021-02-23 17:47:24,400 INFO L192 CegarLoopUtils]: At program point L43(line 43) the Hoare annotation is: true [2021-02-23 17:47:24,400 INFO L192 CegarLoopUtils]: At program point L41(line 41) the Hoare annotation is: true [2021-02-23 17:47:24,400 INFO L185 CegarLoopUtils]: At program point L41-1(line 41) the Hoare annotation is: (or (<= 3 main_~m~0) (and (<= 7 |main_#t~ret12|) (<= |main_#t~ret12| 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-23 17:47:24,400 INFO L192 CegarLoopUtils]: At program point L39(line 39) the Hoare annotation is: true [2021-02-23 17:47:24,401 INFO L185 CegarLoopUtils]: At program point L41-2(line 41) the Hoare annotation is: (or (<= 3 main_~m~0) (and (<= 7 |main_#t~ret12|) (<= |main_#t~ret12| 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-23 17:47:24,401 INFO L185 CegarLoopUtils]: At program point L41-3(line 41) the Hoare annotation is: (or (<= 3 main_~m~0) (and (<= 7 |main_#t~ret12|) (<= |main_#t~ret12| 7) (< 6 main_~result~0) (<= main_~result~0 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-23 17:47:24,401 INFO L192 CegarLoopUtils]: At program point L35(lines 35 40) the Hoare annotation is: true [2021-02-23 17:47:24,401 INFO L185 CegarLoopUtils]: At program point ackermannEXIT(lines 16 24) the Hoare annotation is: (let ((.cse26 (+ |ackermann_#in~n| 1))) (let ((.cse11 (<= 2 |ackermann_#in~n|)) (.cse23 (<= |ackermann_#in~m| 1)) (.cse5 (<= |ackermann_#res| 5)) (.cse7 (<= 3 |ackermann_#in~n|)) (.cse3 (<= |ackermann_#in~n| 1)) (.cse4 (<= 1 |ackermann_#in~n|)) (.cse17 (<= 1 ackermann_~m)) (.cse8 (<= |ackermann_#res| 3)) (.cse24 (<= 1 |ackermann_#in~m|)) (.cse25 (<= .cse26 |ackermann_#res|)) (.cse20 (= |ackermann_#in~m| 0)) (.cse1 (= |ackermann_#in~n| 0)) (.cse21 (= ackermann_~n |ackermann_#in~n|)) (.cse22 (= ackermann_~m |ackermann_#in~m|))) (let ((.cse18 (and .cse1 .cse21 .cse22)) (.cse16 (and .cse25 .cse20)) (.cse2 (<= 3 |ackermann_#res|)) (.cse19 (and .cse25 (<= |ackermann_#res| .cse26) .cse21 .cse22 .cse20)) (.cse6 (<= 5 |ackermann_#res|)) (.cse12 (and (<= 2 |ackermann_#res|) (<= |ackermann_#res| 2) .cse24)) (.cse13 (and .cse3 .cse4 .cse17 .cse8)) (.cse14 (and .cse23 (<= |ackermann_#in~n| 3) .cse5 .cse17 .cse7)) (.cse9 (<= 7 |ackermann_#res|)) (.cse10 (<= |ackermann_#res| 7)) (.cse15 (and (<= 4 |ackermann_#res|) .cse17 .cse11 (<= |ackermann_#res| 4)))) (and (let ((.cse0 (<= 3 ackermann_~m))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (not (<= 2 |ackermann_#in~m|)) .cse7 (and .cse0 .cse4 .cse6) (and .cse1 .cse2 .cse8) (and .cse9 .cse10 .cse11))) (or .cse12 .cse13 .cse14 .cse15 (<= 2 ackermann_~m) .cse16 (and .cse17 (<= 4 |ackermann_#in~n|))) (or .cse18 .cse19 (not .cse20)) (or .cse18 .cse16 (and .cse2 .cse21 .cse22)) (or .cse19 (<= |ackermann_#in~n| 2) .cse6) (or .cse12 .cse13 .cse14 (and .cse9 .cse10 (<= 5 |ackermann_#in~n|)) (<= 6 |ackermann_#in~n|) (not .cse23) .cse15 (not .cse24) (and (<= |ackermann_#res| 6) (<= 6 |ackermann_#res|) (<= |ackermann_#in~n| 4))))))) [2021-02-23 17:47:24,401 INFO L185 CegarLoopUtils]: At program point L23(line 23) the Hoare annotation is: (and (= ackermann_~m |ackermann_#in~m|) (= ackermann_~n |ackermann_#in~n|) (not (= |ackermann_#in~m| 0))) [2021-02-23 17:47:24,401 INFO L185 CegarLoopUtils]: At program point L23-1(line 23) the Hoare annotation is: (let ((.cse10 (<= |ackermann_#in~n| 1))) (let ((.cse3 (<= 2 |ackermann_#in~n|)) (.cse7 (<= 5 |ackermann_#t~ret8|)) (.cse1 (<= 3 |ackermann_#in~n|)) (.cse2 (<= |ackermann_#t~ret8| 3)) (.cse9 (<= 3 ackermann_~m)) (.cse8 (<= 3 |ackermann_#t~ret8|)) (.cse4 (<= ackermann_~m 1)) (.cse6 (= ackermann_~m |ackermann_#in~m|)) (.cse12 (not .cse10)) (.cse5 (= ackermann_~n |ackermann_#in~n|)) (.cse11 (<= |ackermann_#t~ret8| 5))) (and (let ((.cse0 (<= 1 ackermann_~m))) (or (<= |ackermann_#t~ret8| 2) (and .cse0 (<= |ackermann_#t~ret8| 4) .cse1) (<= 2 ackermann_~m) (and .cse0 (<= 4 |ackermann_#in~n|)) (and .cse2 .cse0 .cse3))) (or (= |ackermann_#in~n| 1) (and (<= |ackermann_#in~n| 3) .cse4 (<= 4 |ackermann_#t~ret8|) .cse5 .cse6) (and .cse5 .cse6 .cse7) (and (<= |ackermann_#in~n| 2) .cse8 .cse5 .cse6)) (or (and .cse9 .cse3 .cse7) (and .cse10 (<= 1 |ackermann_#in~n|)) (not (<= 2 |ackermann_#in~m|)) (and .cse11 .cse3 .cse7) .cse1) (or (and .cse2 .cse8 .cse6) .cse12 (and .cse9 .cse8 .cse6) (and (<= 2 |ackermann_#t~ret8|) .cse4 .cse6)) (or .cse12 (and (<= |ackermann_#in~n| ackermann_~m) .cse5)) (or (<= 6 |ackermann_#in~n|) (not (<= |ackermann_#in~m| 1)) (and (<= 6 |ackermann_#t~ret8|) (<= 5 |ackermann_#in~n|) (<= |ackermann_#t~ret8| 6)) (and .cse11 (<= |ackermann_#in~n| 4)))))) [2021-02-23 17:47:24,401 INFO L192 CegarLoopUtils]: At program point ackermannENTRY(lines 16 24) the Hoare annotation is: true [2021-02-23 17:47:24,402 INFO L185 CegarLoopUtils]: At program point L21(line 21) the Hoare annotation is: (and (= |ackermann_#in~n| 0) (not (= ackermann_~m 0)) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|)) [2021-02-23 17:47:24,402 INFO L185 CegarLoopUtils]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse10 (<= |ackermann_#in~n| 1))) (let ((.cse3 (<= 2 |ackermann_#in~n|)) (.cse7 (<= 5 |ackermann_#t~ret8|)) (.cse1 (<= 3 |ackermann_#in~n|)) (.cse2 (<= |ackermann_#t~ret8| 3)) (.cse9 (<= 3 ackermann_~m)) (.cse8 (<= 3 |ackermann_#t~ret8|)) (.cse4 (<= ackermann_~m 1)) (.cse6 (= ackermann_~m |ackermann_#in~m|)) (.cse12 (not .cse10)) (.cse5 (= ackermann_~n |ackermann_#in~n|)) (.cse11 (<= |ackermann_#t~ret8| 5))) (and (let ((.cse0 (<= 1 ackermann_~m))) (or (<= |ackermann_#t~ret8| 2) (and .cse0 (<= |ackermann_#t~ret8| 4) .cse1) (<= 2 ackermann_~m) (and .cse0 (<= 4 |ackermann_#in~n|)) (and .cse2 .cse0 .cse3))) (or (= |ackermann_#in~n| 1) (and (<= |ackermann_#in~n| 3) .cse4 (<= 4 |ackermann_#t~ret8|) .cse5 .cse6) (and .cse5 .cse6 .cse7) (and (<= |ackermann_#in~n| 2) .cse8 .cse5 .cse6)) (or (and .cse9 .cse3 .cse7) (and .cse10 (<= 1 |ackermann_#in~n|)) (not (<= 2 |ackermann_#in~m|)) (and .cse11 .cse3 .cse7) .cse1) (or (and .cse2 .cse8 .cse6) .cse12 (and .cse9 .cse8 .cse6) (and (<= 2 |ackermann_#t~ret8|) .cse4 .cse6)) (or .cse12 (and (<= |ackermann_#in~n| ackermann_~m) .cse5)) (or (<= 6 |ackermann_#in~n|) (not (<= |ackermann_#in~m| 1)) (and (<= 6 |ackermann_#t~ret8|) (<= 5 |ackermann_#in~n|) (<= |ackermann_#t~ret8| 6)) (and .cse11 (<= |ackermann_#in~n| 4)))))) [2021-02-23 17:47:24,402 INFO L185 CegarLoopUtils]: At program point L20(lines 20 22) the Hoare annotation is: (and (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (not (= |ackermann_#in~m| 0))) [2021-02-23 17:47:24,402 INFO L185 CegarLoopUtils]: At program point L21-1(line 21) the Hoare annotation is: (and (or (<= 3 ackermann_~m) (and (<= 2 ackermann_~m) (<= |ackermann_#t~ret7| 3)) (<= |ackermann_#t~ret7| 2)) (let ((.cse0 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 (<= 3 |ackermann_#t~ret7|)) (and (<= ackermann_~m 1) (<= 2 |ackermann_#t~ret7|) (<= 1 |ackermann_#in~m|) .cse0))) (= |ackermann_#in~n| 0) (= ackermann_~n |ackermann_#in~n|)) [2021-02-23 17:47:24,402 INFO L185 CegarLoopUtils]: At program point L23-3(line 23) the Hoare annotation is: (let ((.cse2 (<= 5 |ackermann_#t~ret8|)) (.cse1 (<= 3 ackermann_~m)) (.cse3 (<= 5 |ackermann_#t~ret9|)) (.cse7 (<= 3 |ackermann_#t~ret8|)) (.cse0 (<= |ackermann_#in~n| 1)) (.cse10 (= ackermann_~m |ackermann_#in~m|)) (.cse8 (<= |ackermann_#t~ret9| 5)) (.cse4 (<= 3 |ackermann_#in~n|)) (.cse5 (<= 7 |ackermann_#t~ret9|)) (.cse6 (<= |ackermann_#t~ret9| 7)) (.cse11 (<= 1 ackermann_~m))) (and (<= 1 |ackermann_#in~n|) (or .cse0 (not (<= 2 |ackermann_#in~m|)) (and .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse5 .cse2 .cse6)) (or (and .cse3 .cse2) (= |ackermann_#in~n| 1) (and .cse3 (<= |ackermann_#in~n| 3) (<= 4 |ackermann_#t~ret8|)) (and (<= |ackermann_#t~ret8| 3) (<= |ackermann_#in~n| 2) (<= 4 |ackermann_#t~ret9|) .cse7)) (let ((.cse9 (not (= ackermann_~m 0)))) (or (and .cse3 .cse8 .cse9 .cse7 .cse10) (and .cse1 .cse3 .cse9 .cse7 .cse10) (not .cse0) (and (<= |ackermann_#t~ret8| 2) (<= 2 |ackermann_#t~ret8|) (<= ackermann_~m 1) (<= 3 |ackermann_#t~ret9|) (<= |ackermann_#t~ret9| 3)))) (= ackermann_~n |ackermann_#in~n|) .cse10 (or (and .cse8 .cse11 .cse4) (<= 4 |ackermann_#in~n|) (and (<= |ackermann_#t~ret9| 4) .cse11) (<= 2 ackermann_~m)) (or (and (<= 5 |ackermann_#in~n|) .cse11 .cse5 .cse6) (not (<= |ackermann_#in~m| 1)) (and .cse11 (<= |ackermann_#t~ret9| 6) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#t~ret9|) (<= |ackermann_#in~n| 4)) (<= |ackermann_#t~ret8| 4) (and (<= 6 |ackermann_#in~n|) .cse11)))) [2021-02-23 17:47:24,402 INFO L185 CegarLoopUtils]: At program point L21-2(line 21) the Hoare annotation is: (and (or (<= 3 ackermann_~m) (and (<= 2 ackermann_~m) (<= |ackermann_#t~ret7| 3)) (<= |ackermann_#t~ret7| 2)) (let ((.cse0 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 (<= 3 |ackermann_#t~ret7|)) (and (<= ackermann_~m 1) (<= 2 |ackermann_#t~ret7|) (<= 1 |ackermann_#in~m|) .cse0))) (= |ackermann_#in~n| 0) (= ackermann_~n |ackermann_#in~n|)) [2021-02-23 17:47:24,403 INFO L185 CegarLoopUtils]: At program point L23-4(line 23) the Hoare annotation is: (let ((.cse2 (<= 5 |ackermann_#t~ret8|)) (.cse1 (<= 3 ackermann_~m)) (.cse3 (<= 5 |ackermann_#t~ret9|)) (.cse7 (<= 3 |ackermann_#t~ret8|)) (.cse0 (<= |ackermann_#in~n| 1)) (.cse10 (= ackermann_~m |ackermann_#in~m|)) (.cse8 (<= |ackermann_#t~ret9| 5)) (.cse4 (<= 3 |ackermann_#in~n|)) (.cse5 (<= 7 |ackermann_#t~ret9|)) (.cse6 (<= |ackermann_#t~ret9| 7)) (.cse11 (<= 1 ackermann_~m))) (and (<= 1 |ackermann_#in~n|) (or .cse0 (not (<= 2 |ackermann_#in~m|)) (and .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse5 .cse2 .cse6)) (or (and .cse3 .cse2) (= |ackermann_#in~n| 1) (and .cse3 (<= |ackermann_#in~n| 3) (<= 4 |ackermann_#t~ret8|)) (and (<= |ackermann_#t~ret8| 3) (<= |ackermann_#in~n| 2) (<= 4 |ackermann_#t~ret9|) .cse7)) (let ((.cse9 (not (= ackermann_~m 0)))) (or (and .cse3 .cse8 .cse9 .cse7 .cse10) (and .cse1 .cse3 .cse9 .cse7 .cse10) (not .cse0) (and (<= |ackermann_#t~ret8| 2) (<= 2 |ackermann_#t~ret8|) (<= ackermann_~m 1) (<= 3 |ackermann_#t~ret9|) (<= |ackermann_#t~ret9| 3)))) (= ackermann_~n |ackermann_#in~n|) .cse10 (or (and .cse8 .cse11 .cse4) (<= 4 |ackermann_#in~n|) (and (<= |ackermann_#t~ret9| 4) .cse11) (<= 2 ackermann_~m)) (or (and (<= 5 |ackermann_#in~n|) .cse11 .cse5 .cse6) (not (<= |ackermann_#in~m| 1)) (and .cse11 (<= |ackermann_#t~ret9| 6) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#t~ret9|) (<= |ackermann_#in~n| 4)) (<= |ackermann_#t~ret8| 4) (and (<= 6 |ackermann_#in~n|) .cse11)))) [2021-02-23 17:47:24,403 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (and (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (= |ackermann_#in~m| 0)) [2021-02-23 17:47:24,403 INFO L185 CegarLoopUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (let ((.cse0 (<= 3 |ackermann_#res|)) (.cse1 (<= 3 |ackermann_#t~ret7|))) (or (and (<= 3 ackermann_~m) .cse0 .cse1) (and (<= 2 ackermann_~m) .cse0 (<= |ackermann_#t~ret7| 3) .cse1 (<= |ackermann_#res| 3)) (and (<= 2 |ackermann_#res|) (<= |ackermann_#in~m| 1) (<= |ackermann_#res| 2) (<= 2 |ackermann_#t~ret7|) (<= 1 |ackermann_#in~m|) (<= |ackermann_#t~ret7| 2)))) (= |ackermann_#in~n| 0) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|)) [2021-02-23 17:47:24,403 INFO L185 CegarLoopUtils]: At program point L23-5(line 23) the Hoare annotation is: (let ((.cse19 (<= |ackermann_#in~n| 2)) (.cse20 (<= 3 |ackermann_#t~ret8|)) (.cse16 (= ackermann_~n |ackermann_#in~n|)) (.cse17 (= ackermann_~m |ackermann_#in~m|)) (.cse4 (<= |ackermann_#in~n| 1))) (let ((.cse0 (<= 3 ackermann_~m)) (.cse1 (not .cse4)) (.cse5 (and (<= 4 |ackermann_#res|) .cse19 (not (= ackermann_~m 0)) (<= 4 |ackermann_#t~ret9|) .cse20 (<= ackermann_~m 1) .cse16 .cse17)) (.cse2 (<= |ackermann_#t~ret9| 5)) (.cse3 (<= |ackermann_#res| 5)) (.cse6 (<= 5 |ackermann_#t~ret9|)) (.cse7 (<= 5 |ackermann_#res|)) (.cse8 (<= 5 |ackermann_#t~ret8|)) (.cse9 (<= 7 |ackermann_#res|)) (.cse10 (<= |ackermann_#res| 7)) (.cse11 (<= 7 |ackermann_#t~ret9|)) (.cse12 (<= |ackermann_#t~ret9| 7)) (.cse15 (not (<= |ackermann_#in~m| 1))) (.cse18 (<= |ackermann_#in~n| ackermann_~m)) (.cse14 (<= 1 |ackermann_#in~n|)) (.cse13 (<= 3 |ackermann_#in~n|))) (and (or .cse0 .cse1 (<= |ackermann_#res| 3) (and .cse2 .cse3 (<= 2 ackermann_~m))) (or .cse4 .cse5 (and .cse0 .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse11 .cse8 .cse12) .cse13) (<= 1 ackermann_~m) (or .cse1 (and .cse6 .cse14 .cse7) (and (<= |ackermann_#t~ret8| 2) (<= |ackermann_#t~ret9| 3))) (or .cse5 .cse15 (and .cse6 (<= 4 |ackermann_#in~n|) .cse7 .cse16 .cse8 .cse17) (and .cse18 (<= 2 |ackermann_#t~ret8|) (<= 3 |ackermann_#t~ret9|) (<= 3 |ackermann_#res|) .cse16 .cse17) (and .cse6 .cse2 (<= |ackermann_#in~n| 3) .cse3 .cse7 (<= 4 |ackermann_#t~ret8|) .cse16 .cse17)) (or (and .cse6 .cse7 .cse8 .cse16 .cse17) (not (<= 2 |ackermann_#in~m|)) (and .cse19 .cse20 .cse16 .cse17)) (or (and (<= |ackermann_#t~ret8| 3) (<= |ackermann_#t~ret9| 4) (<= 2 |ackermann_#in~n|) (<= |ackermann_#res| 4)) (and .cse9 (<= 5 |ackermann_#in~n|) .cse10 .cse11 .cse12) (<= 6 |ackermann_#in~n|) .cse15 (and .cse18 .cse14) (and (<= |ackermann_#res| 6) (<= |ackermann_#t~ret9| 6) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#t~ret9|) (<= 6 |ackermann_#res|) .cse13 (<= |ackermann_#in~n| 4)) (and (<= |ackermann_#t~ret8| 4) .cse13))))) [2021-02-23 17:47:24,403 INFO L185 CegarLoopUtils]: At program point L17(lines 17 19) the Hoare annotation is: (and (= ackermann_~m |ackermann_#in~m|) (= ackermann_~n |ackermann_#in~n|)) [2021-02-23 17:47:24,404 INFO L185 CegarLoopUtils]: At program point L23-6(line 23) the Hoare annotation is: (let ((.cse5 (<= 2 |ackermann_#in~n|)) (.cse7 (<= |ackermann_#t~ret9| 5)) (.cse8 (<= |ackermann_#res| 5)) (.cse6 (<= 1 |ackermann_#in~n|)) (.cse4 (<= |ackermann_#in~m| 1)) (.cse13 (<= 3 ackermann_~m)) (.cse11 (<= 5 |ackermann_#t~ret9|)) (.cse9 (<= 3 |ackermann_#in~n|)) (.cse12 (<= 5 |ackermann_#res|)) (.cse0 (<= 7 |ackermann_#res|)) (.cse1 (<= |ackermann_#res| 7)) (.cse2 (<= 7 |ackermann_#t~ret9|)) (.cse3 (<= |ackermann_#t~ret9| 7))) (and (or (and .cse0 (<= 5 |ackermann_#in~n|) .cse1 .cse2 .cse3) (<= 6 |ackermann_#in~n|) (not .cse4) (and (<= |ackermann_#t~ret9| 4) .cse5) (and .cse6 (<= |ackermann_#t~ret9| 3) (<= 3 |ackermann_#res|) (<= |ackermann_#res| 3)) (and .cse7 (<= |ackermann_#in~n| 3) .cse8 .cse9) (and (<= |ackermann_#res| 6) (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret9| 6) (<= 6 |ackermann_#t~ret9|) (<= 6 |ackermann_#res|) (<= |ackermann_#in~n| 4))) (let ((.cse10 (<= 2 ackermann_~m))) (or (and .cse10 .cse5) (and .cse11 .cse7 .cse6 .cse8 .cse10 .cse12) (and .cse13 .cse11 .cse6 .cse12) (and .cse4 (<= 1 ackermann_~m)))) (<= 3 |ackermann_#t~ret9|) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (or (<= |ackermann_#in~n| 1) (and .cse13 .cse11 .cse12) (and (<= 4 |ackermann_#res|) (<= |ackermann_#in~n| 2) (<= 4 |ackermann_#t~ret9|) (<= ackermann_~m 1) (<= |ackermann_#res| 4)) (and .cse11 .cse9 .cse12) (and .cse0 .cse1 .cse2 .cse3)))) [2021-02-23 17:47:24,404 INFO L185 CegarLoopUtils]: At program point L16(lines 16 24) the Hoare annotation is: (= ackermann_~m |ackermann_#in~m|) [2021-02-23 17:47:24,404 INFO L185 CegarLoopUtils]: At program point ackermannFINAL(lines 16 24) the Hoare annotation is: (let ((.cse26 (+ |ackermann_#in~n| 1))) (let ((.cse11 (<= 2 |ackermann_#in~n|)) (.cse23 (<= |ackermann_#in~m| 1)) (.cse5 (<= |ackermann_#res| 5)) (.cse7 (<= 3 |ackermann_#in~n|)) (.cse3 (<= |ackermann_#in~n| 1)) (.cse4 (<= 1 |ackermann_#in~n|)) (.cse17 (<= 1 ackermann_~m)) (.cse8 (<= |ackermann_#res| 3)) (.cse24 (<= 1 |ackermann_#in~m|)) (.cse25 (<= .cse26 |ackermann_#res|)) (.cse20 (= |ackermann_#in~m| 0)) (.cse1 (= |ackermann_#in~n| 0)) (.cse21 (= ackermann_~n |ackermann_#in~n|)) (.cse22 (= ackermann_~m |ackermann_#in~m|))) (let ((.cse18 (and .cse1 .cse21 .cse22)) (.cse16 (and .cse25 .cse20)) (.cse2 (<= 3 |ackermann_#res|)) (.cse19 (and .cse25 (<= |ackermann_#res| .cse26) .cse21 .cse22 .cse20)) (.cse6 (<= 5 |ackermann_#res|)) (.cse12 (and (<= 2 |ackermann_#res|) (<= |ackermann_#res| 2) .cse24)) (.cse13 (and .cse3 .cse4 .cse17 .cse8)) (.cse14 (and .cse23 (<= |ackermann_#in~n| 3) .cse5 .cse17 .cse7)) (.cse9 (<= 7 |ackermann_#res|)) (.cse10 (<= |ackermann_#res| 7)) (.cse15 (and (<= 4 |ackermann_#res|) .cse17 .cse11 (<= |ackermann_#res| 4)))) (and (let ((.cse0 (<= 3 ackermann_~m))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (not (<= 2 |ackermann_#in~m|)) .cse7 (and .cse0 .cse4 .cse6) (and .cse1 .cse2 .cse8) (and .cse9 .cse10 .cse11))) (or .cse12 .cse13 .cse14 .cse15 (<= 2 ackermann_~m) .cse16 (and .cse17 (<= 4 |ackermann_#in~n|))) (or .cse18 .cse19 (not .cse20)) (or .cse18 .cse16 (and .cse2 .cse21 .cse22)) (or .cse19 (<= |ackermann_#in~n| 2) .cse6) (or .cse12 .cse13 .cse14 (and .cse9 .cse10 (<= 5 |ackermann_#in~n|)) (<= 6 |ackermann_#in~n|) (not .cse23) .cse15 (not .cse24) (and (<= |ackermann_#res| 6) (<= 6 |ackermann_#res|) (<= |ackermann_#in~n| 4))))))) [2021-02-23 17:47:24,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 05:47:24 BoogieIcfgContainer [2021-02-23 17:47:24,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 17:47:24,427 INFO L168 Benchmark]: Toolchain (without parser) took 515651.82 ms. Allocated memory was 155.2 MB in the beginning and 1.1 GB in the end (delta: 958.4 MB). Free memory was 131.3 MB in the beginning and 960.2 MB in the end (delta: -828.9 MB). Peak memory consumption was 706.9 MB. Max. memory is 8.0 GB. [2021-02-23 17:47:24,427 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 155.2 MB. Free memory is still 128.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 17:47:24,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.50 ms. Allocated memory is still 155.2 MB. Free memory was 130.1 MB in the beginning and 120.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 17:47:24,427 INFO L168 Benchmark]: Boogie Preprocessor took 31.46 ms. Allocated memory is still 155.2 MB. Free memory was 120.7 MB in the beginning and 119.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 17:47:24,428 INFO L168 Benchmark]: RCFGBuilder took 385.83 ms. Allocated memory is still 155.2 MB. Free memory was 119.4 MB in the beginning and 103.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-02-23 17:47:24,428 INFO L168 Benchmark]: TraceAbstraction took 514968.67 ms. Allocated memory was 155.2 MB in the beginning and 1.1 GB in the end (delta: 958.4 MB). Free memory was 103.0 MB in the beginning and 960.2 MB in the end (delta: -857.1 MB). Peak memory consumption was 678.6 MB. Max. memory is 8.0 GB. [2021-02-23 17:47:24,429 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 155.2 MB. Free memory is still 128.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 245.50 ms. Allocated memory is still 155.2 MB. Free memory was 130.1 MB in the beginning and 120.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 31.46 ms. Allocated memory is still 155.2 MB. Free memory was 120.7 MB in the beginning and 119.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 385.83 ms. Allocated memory is still 155.2 MB. Free memory was 119.4 MB in the beginning and 103.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 514968.67 ms. Allocated memory was 155.2 MB in the beginning and 1.1 GB in the end (delta: 958.4 MB). Free memory was 103.0 MB in the beginning and 960.2 MB in the end (delta: -857.1 MB). Peak memory consumption was 678.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 16]: Procedure Contract for ackermann Derived contract for procedure ackermann: ((((((((((((3 <= m && \old(n) == 0) && 3 <= \result) || (((\old(n) <= 1 && 1 <= \old(n)) && \result <= 5) && 5 <= \result)) || !(2 <= \old(m))) || 3 <= \old(n)) || ((3 <= m && 1 <= \old(n)) && 5 <= \result)) || ((\old(n) == 0 && 3 <= \result) && \result <= 3)) || ((7 <= \result && \result <= 7) && 2 <= \old(n))) && ((((((((2 <= \result && \result <= 2) && 1 <= \old(m)) || (((\old(n) <= 1 && 1 <= \old(n)) && 1 <= m) && \result <= 3)) || ((((\old(m) <= 1 && \old(n) <= 3) && \result <= 5) && 1 <= m) && 3 <= \old(n))) || (((4 <= \result && 1 <= m) && 2 <= \old(n)) && \result <= 4)) || 2 <= m) || (\old(n) + 1 <= \result && \old(m) == 0)) || (1 <= m && 4 <= \old(n)))) && ((((\old(n) == 0 && n == \old(n)) && m == \old(m)) || ((((\old(n) + 1 <= \result && \result <= \old(n) + 1) && n == \old(n)) && m == \old(m)) && \old(m) == 0)) || !(\old(m) == 0))) && ((((\old(n) == 0 && n == \old(n)) && m == \old(m)) || (\old(n) + 1 <= \result && \old(m) == 0)) || ((3 <= \result && n == \old(n)) && m == \old(m)))) && ((((((\old(n) + 1 <= \result && \result <= \old(n) + 1) && n == \old(n)) && m == \old(m)) && \old(m) == 0) || \old(n) <= 2) || 5 <= \result)) && ((((((((((2 <= \result && \result <= 2) && 1 <= \old(m)) || (((\old(n) <= 1 && 1 <= \old(n)) && 1 <= m) && \result <= 3)) || ((((\old(m) <= 1 && \old(n) <= 3) && \result <= 5) && 1 <= m) && 3 <= \old(n))) || ((7 <= \result && \result <= 7) && 5 <= \old(n))) || 6 <= \old(n)) || !(\old(m) <= 1)) || (((4 <= \result && 1 <= m) && 2 <= \old(n)) && \result <= 4)) || !(1 <= \old(m))) || ((\result <= 6 && 6 <= \result) && \old(n) <= 4)) - ProcedureContractResult [Line: 27]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 51.1s, OverallIterations: 15, TraceHistogramMax: 43, AutomataDifference: 38.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 463.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 864 SDtfs, 2191 SDslu, 1635 SDs, 0 SdLazy, 11953 SolverSat, 1991 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1450 GetRequests, 791 SyntacticMatches, 0 SemanticMatches, 659 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13649 ImplicationChecksByTransitivity, 27.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=348occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 931 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 5057 PreInvPairs, 72999 NumberOfFragments, 2234 HoareAnnotationTreeSize, 5057 FomulaSimplifications, 4337568062 FormulaSimplificationTreeSizeReduction, 355.3s HoareSimplificationTime, 53 FomulaSimplificationsInter, 40307733 FormulaSimplificationTreeSizeReductionInter, 107.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...