/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-b7b32d2 [2021-02-21 20:11:21,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 20:11:21,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 20:11:21,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-21 20:11:21,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 20:11:21,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 20:11:21,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 20:11:21,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 20:11:21,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 20:11:21,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 20:11:21,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 20:11:21,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 20:11:21,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 20:11:21,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 20:11:21,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 20:11:21,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 20:11:21,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 20:11:21,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 20:11:21,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 20:11:21,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 20:11:21,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-21 20:11:21,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 20:11:21,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 20:11:21,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 20:11:21,496 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 20:11:21,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 20:11:21,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 20:11:21,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 20:11:21,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 20:11:21,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 20:11:21,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 20:11:21,498 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 20:11:21,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 20:11:21,499 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 20:11:21,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 20:11:21,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 20:11:21,500 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 20:11:21,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 20:11:21,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 20:11:21,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 20:11:21,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 20:11:21,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 20:11:21,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 20:11:21,501 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 20:11:21,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 20:11:21,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 20:11:21,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 20:11:21,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 20:11:21,942 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 20:11:21,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann03.c [2021-02-21 20:11:22,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b7c759a/c0bcd3e647f047ec981c312694fdedfa/FLAGa1dd37ec2 [2021-02-21 20:11:22,736 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 20:11:22,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c [2021-02-21 20:11:22,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b7c759a/c0bcd3e647f047ec981c312694fdedfa/FLAGa1dd37ec2 [2021-02-21 20:11:23,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b7c759a/c0bcd3e647f047ec981c312694fdedfa [2021-02-21 20:11:23,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 20:11:23,100 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 20:11:23,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 20:11:23,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 20:11:23,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 20:11:23,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:11:23" (1/1) ... [2021-02-21 20:11:23,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c95c1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:23, skipping insertion in model container [2021-02-21 20:11:23,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:11:23" (1/1) ... [2021-02-21 20:11:23,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 20:11:23,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 20:11:23,290 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] [2021-02-21 20:11:23,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 20:11:23,304 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 20:11:23,323 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] [2021-02-21 20:11:23,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 20:11:23,340 INFO L208 MainTranslator]: Completed translation [2021-02-21 20:11:23,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:23 WrapperNode [2021-02-21 20:11:23,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 20:11:23,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 20:11:23,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 20:11:23,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 20:11:23,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:23" (1/1) ... [2021-02-21 20:11:23,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:23" (1/1) ... [2021-02-21 20:11:23,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:23" (1/1) ... [2021-02-21 20:11:23,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:23" (1/1) ... [2021-02-21 20:11:23,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:23" (1/1) ... [2021-02-21 20:11:23,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:23" (1/1) ... [2021-02-21 20:11:23,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:23" (1/1) ... [2021-02-21 20:11:23,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 20:11:23,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 20:11:23,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 20:11:23,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 20:11:23,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:23" (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 [2021-02-21 20:11:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 20:11:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 20:11:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 20:11:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2021-02-21 20:11:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 20:11:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 20:11:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 20:11:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 20:11:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 20:11:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 20:11:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2021-02-21 20:11:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 20:11:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 20:11:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 20:11:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 20:11:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 20:11:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 20:11:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 20:11:23,826 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 20:11:23,827 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-21 20:11:23,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:11:23 BoogieIcfgContainer [2021-02-21 20:11:23,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 20:11:23,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 20:11:23,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 20:11:23,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 20:11:23,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 08:11:23" (1/3) ... [2021-02-21 20:11:23,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aecea79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:11:23, skipping insertion in model container [2021-02-21 20:11:23,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:23" (2/3) ... [2021-02-21 20:11:23,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aecea79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:11:23, skipping insertion in model container [2021-02-21 20:11:23,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:11:23" (3/3) ... [2021-02-21 20:11:23,841 INFO L111 eAbstractionObserver]: Analyzing ICFG Ackermann03.c [2021-02-21 20:11:23,851 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 20:11:23,857 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 20:11:23,882 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 20:11:23,912 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 20:11:23,913 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 20:11:23,913 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 20:11:23,913 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 20:11:23,913 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 20:11:23,914 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 20:11:23,914 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 20:11:23,914 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 20:11:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2021-02-21 20:11:23,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-21 20:11:23,945 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:23,946 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] [2021-02-21 20:11:23,947 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:23,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:23,956 INFO L82 PathProgramCache]: Analyzing trace with hash 305373308, now seen corresponding path program 1 times [2021-02-21 20:11:23,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:23,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2147156341] [2021-02-21 20:11:23,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:24,060 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:24,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:24,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:24,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:24,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:24,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:24,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:24,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:24,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:24,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:24,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:24,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:24,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:24,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:24,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:24,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:11:24,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2147156341] [2021-02-21 20:11:24,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:24,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 20:11:24,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167389624] [2021-02-21 20:11:24,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 20:11:24,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:24,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 20:11:24,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-21 20:11:24,456 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 6 states. [2021-02-21 20:11:24,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:24,995 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2021-02-21 20:11:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-21 20:11:24,997 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-02-21 20:11:24,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:25,009 INFO L225 Difference]: With dead ends: 97 [2021-02-21 20:11:25,009 INFO L226 Difference]: Without dead ends: 53 [2021-02-21 20:11:25,014 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 [2021-02-21 20:11:25,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-02-21 20:11:25,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-02-21 20:11:25,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-02-21 20:11:25,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2021-02-21 20:11:25,077 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 32 [2021-02-21 20:11:25,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:25,078 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2021-02-21 20:11:25,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 20:11:25,078 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2021-02-21 20:11:25,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-21 20:11:25,082 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:25,082 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] [2021-02-21 20:11:25,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 20:11:25,083 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:25,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:25,084 INFO L82 PathProgramCache]: Analyzing trace with hash -40053035, now seen corresponding path program 1 times [2021-02-21 20:11:25,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:25,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1449684265] [2021-02-21 20:11:25,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:25,089 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:25,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:25,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:25,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:25,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:25,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:25,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:25,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:25,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:25,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:25,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:25,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:25,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-21 20:11:25,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1449684265] [2021-02-21 20:11:25,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:25,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 20:11:25,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470105782] [2021-02-21 20:11:25,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 20:11:25,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:25,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 20:11:25,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-21 20:11:25,268 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 6 states. [2021-02-21 20:11:25,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:25,498 INFO L93 Difference]: Finished difference Result 91 states and 116 transitions. [2021-02-21 20:11:25,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-21 20:11:25,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2021-02-21 20:11:25,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:25,503 INFO L225 Difference]: With dead ends: 91 [2021-02-21 20:11:25,503 INFO L226 Difference]: Without dead ends: 55 [2021-02-21 20:11:25,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-21 20:11:25,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-02-21 20:11:25,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-02-21 20:11:25,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-02-21 20:11:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2021-02-21 20:11:25,527 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 42 [2021-02-21 20:11:25,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:25,528 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2021-02-21 20:11:25,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 20:11:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-02-21 20:11:25,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-21 20:11:25,531 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:25,532 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] [2021-02-21 20:11:25,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 20:11:25,532 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:25,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:25,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1101309652, now seen corresponding path program 1 times [2021-02-21 20:11:25,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:25,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437987775] [2021-02-21 20:11:25,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:25,537 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:25,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:25,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:25,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:25,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:25,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:25,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:25,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:25,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:25,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:25,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:25,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:25,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:25,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:25,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:25,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:25,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:25,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:25,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:25,784 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-02-21 20:11:25,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437987775] [2021-02-21 20:11:25,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:25,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 20:11:25,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277701959] [2021-02-21 20:11:25,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 20:11:25,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:25,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 20:11:25,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-21 20:11:25,787 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand 7 states. [2021-02-21 20:11:26,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:26,153 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2021-02-21 20:11:26,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-21 20:11:26,154 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2021-02-21 20:11:26,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:26,157 INFO L225 Difference]: With dead ends: 83 [2021-02-21 20:11:26,157 INFO L226 Difference]: Without dead ends: 77 [2021-02-21 20:11:26,158 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 [2021-02-21 20:11:26,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-02-21 20:11:26,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-02-21 20:11:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-02-21 20:11:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2021-02-21 20:11:26,185 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 61 [2021-02-21 20:11:26,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:26,186 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2021-02-21 20:11:26,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 20:11:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2021-02-21 20:11:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-02-21 20:11:26,189 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:26,189 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] [2021-02-21 20:11:26,190 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 20:11:26,190 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:26,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:26,191 INFO L82 PathProgramCache]: Analyzing trace with hash 697726399, now seen corresponding path program 2 times [2021-02-21 20:11:26,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:26,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902331769] [2021-02-21 20:11:26,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:26,194 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:26,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:26,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:26,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:26,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:26,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:26,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:26,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:26,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:26,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:26,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:26,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:26,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:26,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:26,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:26,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:26,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:26,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:26,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:26,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:26,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:11:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:26,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:26,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:26,444 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-02-21 20:11:26,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902331769] [2021-02-21 20:11:26,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:26,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 20:11:26,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436250881] [2021-02-21 20:11:26,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 20:11:26,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:26,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 20:11:26,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-21 20:11:26,448 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand 8 states. [2021-02-21 20:11:26,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:26,986 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-02-21 20:11:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-21 20:11:26,987 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2021-02-21 20:11:26,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:26,992 INFO L225 Difference]: With dead ends: 115 [2021-02-21 20:11:26,992 INFO L226 Difference]: Without dead ends: 109 [2021-02-21 20:11:26,993 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 [2021-02-21 20:11:26,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-02-21 20:11:27,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-02-21 20:11:27,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-02-21 20:11:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 161 transitions. [2021-02-21 20:11:27,031 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 161 transitions. Word has length 80 [2021-02-21 20:11:27,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:27,031 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 161 transitions. [2021-02-21 20:11:27,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 20:11:27,032 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 161 transitions. [2021-02-21 20:11:27,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-02-21 20:11:27,036 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:27,036 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] [2021-02-21 20:11:27,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 20:11:27,036 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:27,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:27,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1386789945, now seen corresponding path program 3 times [2021-02-21 20:11:27,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:27,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [325356534] [2021-02-21 20:11:27,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:27,040 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,400 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 20:11:27,401 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 20:11:27,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 20:11:27,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:27,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 20:11:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-21 20:11:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:27,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:27,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:27,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-02-21 20:11:27,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [325356534] [2021-02-21 20:11:27,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:27,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-02-21 20:11:27,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937890258] [2021-02-21 20:11:27,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-21 20:11:27,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:27,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-21 20:11:27,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-02-21 20:11:27,590 INFO L87 Difference]: Start difference. First operand 109 states and 161 transitions. Second operand 16 states. [2021-02-21 20:11:29,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:29,726 INFO L93 Difference]: Finished difference Result 385 states and 934 transitions. [2021-02-21 20:11:29,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-21 20:11:29,728 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 129 [2021-02-21 20:11:29,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:29,738 INFO L225 Difference]: With dead ends: 385 [2021-02-21 20:11:29,738 INFO L226 Difference]: Without dead ends: 297 [2021-02-21 20:11:29,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=447, Invalid=1533, Unknown=0, NotChecked=0, Total=1980 [2021-02-21 20:11:29,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-02-21 20:11:29,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 176. [2021-02-21 20:11:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2021-02-21 20:11:29,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 334 transitions. [2021-02-21 20:11:29,833 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 334 transitions. Word has length 129 [2021-02-21 20:11:29,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:29,834 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 334 transitions. [2021-02-21 20:11:29,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-02-21 20:11:29,834 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 334 transitions. [2021-02-21 20:11:29,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-02-21 20:11:29,850 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:29,851 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] [2021-02-21 20:11:29,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 20:11:29,851 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:29,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:29,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1061589486, now seen corresponding path program 4 times [2021-02-21 20:11:29,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:29,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764642860] [2021-02-21 20:11:29,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:29,857 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:29,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:29,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:29,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:29,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:29,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:29,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:29,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:29,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:30,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:30,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:30,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:30,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:30,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:30,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:30,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 20:11:30,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:30,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:30,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:30,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:30,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,214 WARN L141 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-02-21 20:11:30,215 WARN L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-02-21 20:11:30,234 WARN L141 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-02-21 20:11:30,235 WARN L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-02-21 20:11:30,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 20:11:30,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:30,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:30,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 20:11:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:30,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:30,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:30,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:30,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:30,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:30,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:11:30,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:30,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 20:11:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:30,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:30,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-02-21 20:11:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:30,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:30,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:30,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:30,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:30,716 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 40 proven. 72 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-02-21 20:11:30,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764642860] [2021-02-21 20:11:30,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:30,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-02-21 20:11:30,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954596497] [2021-02-21 20:11:30,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-21 20:11:30,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:30,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-21 20:11:30,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2021-02-21 20:11:30,719 INFO L87 Difference]: Start difference. First operand 176 states and 334 transitions. Second operand 24 states. [2021-02-21 20:11:33,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:33,124 INFO L93 Difference]: Finished difference Result 346 states and 779 transitions. [2021-02-21 20:11:33,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-21 20:11:33,125 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 177 [2021-02-21 20:11:33,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:33,130 INFO L225 Difference]: With dead ends: 346 [2021-02-21 20:11:33,130 INFO L226 Difference]: Without dead ends: 191 [2021-02-21 20:11:33,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=450, Invalid=1806, Unknown=0, NotChecked=0, Total=2256 [2021-02-21 20:11:33,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-02-21 20:11:33,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 176. [2021-02-21 20:11:33,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2021-02-21 20:11:33,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 301 transitions. [2021-02-21 20:11:33,210 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 301 transitions. Word has length 177 [2021-02-21 20:11:33,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:33,211 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 301 transitions. [2021-02-21 20:11:33,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-21 20:11:33,211 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 301 transitions. [2021-02-21 20:11:33,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-02-21 20:11:33,219 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:33,219 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] [2021-02-21 20:11:33,219 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 20:11:33,220 INFO L428 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:33,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:33,221 INFO L82 PathProgramCache]: Analyzing trace with hash -573730218, now seen corresponding path program 5 times [2021-02-21 20:11:33,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:33,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1309475746] [2021-02-21 20:11:33,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:33,225 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,505 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 20:11:33,506 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 20:11:33,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 20:11:33,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:33,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 20:11:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:33,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:11:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-02-21 20:11:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:11:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:11:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:33,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-02-21 20:11:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:33,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:33,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 26 proven. 132 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-02-21 20:11:34,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1309475746] [2021-02-21 20:11:34,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:34,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-21 20:11:34,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259753747] [2021-02-21 20:11:34,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-21 20:11:34,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:34,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-21 20:11:34,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-02-21 20:11:34,039 INFO L87 Difference]: Start difference. First operand 176 states and 301 transitions. Second operand 17 states. [2021-02-21 20:11:37,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:37,446 INFO L93 Difference]: Finished difference Result 455 states and 1172 transitions. [2021-02-21 20:11:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-21 20:11:37,447 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 282 [2021-02-21 20:11:37,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:37,469 INFO L225 Difference]: With dead ends: 455 [2021-02-21 20:11:37,469 INFO L226 Difference]: Without dead ends: 294 [2021-02-21 20:11:37,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 893 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=845, Invalid=2815, Unknown=0, NotChecked=0, Total=3660 [2021-02-21 20:11:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-02-21 20:11:37,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 136. [2021-02-21 20:11:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-21 20:11:37,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 186 transitions. [2021-02-21 20:11:37,536 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 186 transitions. Word has length 282 [2021-02-21 20:11:37,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:37,536 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 186 transitions. [2021-02-21 20:11:37,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-21 20:11:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 186 transitions. [2021-02-21 20:11:37,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-02-21 20:11:37,541 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:37,542 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] [2021-02-21 20:11:37,542 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 20:11:37,542 INFO L428 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:37,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:37,543 INFO L82 PathProgramCache]: Analyzing trace with hash 465788811, now seen corresponding path program 6 times [2021-02-21 20:11:37,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:37,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411442497] [2021-02-21 20:11:37,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:37,548 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:37,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:37,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:37,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:37,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:37,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:37,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:37,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:37,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:37,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:37,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:37,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:37,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 20:11:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:37,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:37,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:37,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:37,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:37,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:37,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:37,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:37,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:37,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,117 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 20:11:38,117 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 20:11:38,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 20:11:38,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:38,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:11:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:38,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:11:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:38,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-21 20:11:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:38,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:11:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:11:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:38,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:38,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 93 proven. 69 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-02-21 20:11:38,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411442497] [2021-02-21 20:11:38,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:38,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-02-21 20:11:38,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400659960] [2021-02-21 20:11:38,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-21 20:11:38,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:38,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-21 20:11:38,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2021-02-21 20:11:38,581 INFO L87 Difference]: Start difference. First operand 136 states and 186 transitions. Second operand 23 states. [2021-02-21 20:11:46,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:46,039 INFO L93 Difference]: Finished difference Result 393 states and 696 transitions. [2021-02-21 20:11:46,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-21 20:11:46,040 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 243 [2021-02-21 20:11:46,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:46,048 INFO L225 Difference]: With dead ends: 393 [2021-02-21 20:11:46,048 INFO L226 Difference]: Without dead ends: 278 [2021-02-21 20:11:46,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3716 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=2343, Invalid=10089, Unknown=0, NotChecked=0, Total=12432 [2021-02-21 20:11:46,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-02-21 20:11:46,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 166. [2021-02-21 20:11:46,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2021-02-21 20:11:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 247 transitions. [2021-02-21 20:11:46,111 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 247 transitions. Word has length 243 [2021-02-21 20:11:46,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:46,111 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 247 transitions. [2021-02-21 20:11:46,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-21 20:11:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 247 transitions. [2021-02-21 20:11:46,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-02-21 20:11:46,117 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:46,117 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] [2021-02-21 20:11:46,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-21 20:11:46,118 INFO L428 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:46,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:46,118 INFO L82 PathProgramCache]: Analyzing trace with hash 437568672, now seen corresponding path program 7 times [2021-02-21 20:11:46,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:46,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719677535] [2021-02-21 20:11:46,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:46,122 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 20:11:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,587 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 20:11:46,587 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 20:11:46,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 20:11:46,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:46,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:11:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:46,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:11:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:11:46,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-21 20:11:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:46,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:11:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:11:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:46,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:11:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:46,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:46,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:47,044 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 109 proven. 81 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-02-21 20:11:47,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719677535] [2021-02-21 20:11:47,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:47,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-02-21 20:11:47,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040713948] [2021-02-21 20:11:47,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-21 20:11:47,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:47,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-21 20:11:47,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2021-02-21 20:11:47,046 INFO L87 Difference]: Start difference. First operand 166 states and 247 transitions. Second operand 24 states. [2021-02-21 20:11:55,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:55,051 INFO L93 Difference]: Finished difference Result 447 states and 847 transitions. [2021-02-21 20:11:55,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-02-21 20:11:55,055 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 262 [2021-02-21 20:11:55,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:55,066 INFO L225 Difference]: With dead ends: 447 [2021-02-21 20:11:55,066 INFO L226 Difference]: Without dead ends: 302 [2021-02-21 20:11:55,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4376 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=2641, Invalid=11639, Unknown=0, NotChecked=0, Total=14280 [2021-02-21 20:11:55,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-02-21 20:11:55,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 200. [2021-02-21 20:11:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2021-02-21 20:11:55,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 316 transitions. [2021-02-21 20:11:55,142 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 316 transitions. Word has length 262 [2021-02-21 20:11:55,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:55,143 INFO L480 AbstractCegarLoop]: Abstraction has 200 states and 316 transitions. [2021-02-21 20:11:55,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-21 20:11:55,143 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 316 transitions. [2021-02-21 20:11:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-02-21 20:11:55,150 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:55,150 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] [2021-02-21 20:11:55,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 20:11:55,151 INFO L428 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:55,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:55,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1442041525, now seen corresponding path program 8 times [2021-02-21 20:11:55,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:55,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478702302] [2021-02-21 20:11:55,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:55,155 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,260 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-21 20:11:55,261 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-21 20:11:55,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:11:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 20:11:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:11:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:11:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-21 20:11:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:55,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:55,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:55,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:55,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:56,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:11:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:56,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:56,074 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 20:11:56,074 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 20:11:56,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-21 20:11:56,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:11:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:56,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:56,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:56,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 20:11:56,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:11:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:56,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:56,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:56,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 20:11:56,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:11:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:56,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:56,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:56,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 20:11:56,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:11:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:56,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:56,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:56,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 20:11:56,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-21 20:11:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:56,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:56,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:56,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:56,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 20:11:56,472 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-02-21 20:11:56,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478702302] [2021-02-21 20:11:56,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:56,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-21 20:11:56,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464645010] [2021-02-21 20:11:56,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-21 20:11:56,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:56,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-21 20:11:56,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=598, Unknown=0, NotChecked=0, Total=650 [2021-02-21 20:11:56,478 INFO L87 Difference]: Start difference. First operand 200 states and 316 transitions. Second operand 26 states. [2021-02-21 20:12:04,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:12:04,267 INFO L93 Difference]: Finished difference Result 683 states and 1160 transitions. [2021-02-21 20:12:04,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-02-21 20:12:04,268 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 281 [2021-02-21 20:12:04,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:12:04,292 INFO L225 Difference]: With dead ends: 683 [2021-02-21 20:12:04,292 INFO L226 Difference]: Without dead ends: 665 [2021-02-21 20:12:04,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2636 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=855, Invalid=9245, Unknown=0, NotChecked=0, Total=10100 [2021-02-21 20:12:04,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-02-21 20:12:04,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 348. [2021-02-21 20:12:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2021-02-21 20:12:04,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 666 transitions. [2021-02-21 20:12:04,482 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 666 transitions. Word has length 281 [2021-02-21 20:12:04,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:12:04,483 INFO L480 AbstractCegarLoop]: Abstraction has 348 states and 666 transitions. [2021-02-21 20:12:04,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-21 20:12:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 666 transitions. [2021-02-21 20:12:04,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-02-21 20:12:04,499 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:12:04,499 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] [2021-02-21 20:12:04,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-21 20:12:04,499 INFO L428 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:12:04,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:12:04,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1179742896, now seen corresponding path program 9 times [2021-02-21 20:12:04,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:12:04,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608887312] [2021-02-21 20:12:04,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:12:04,504 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:12:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:12:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:12:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 20:12:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:12:04,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:04,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 20:12:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:04,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:04,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:04,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-21 20:12:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:05,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:05,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-21 20:12:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-21 20:12:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:12:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:12:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:12:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-21 20:12:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-21 20:12:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:05,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:05,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 46 proven. 176 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-02-21 20:12:05,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608887312] [2021-02-21 20:12:05,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:12:05,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-21 20:12:05,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128465915] [2021-02-21 20:12:05,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-21 20:12:05,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:12:05,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-21 20:12:05,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-02-21 20:12:05,579 INFO L87 Difference]: Start difference. First operand 348 states and 666 transitions. Second operand 13 states. [2021-02-21 20:12:06,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:12:06,604 INFO L93 Difference]: Finished difference Result 659 states and 1469 transitions. [2021-02-21 20:12:06,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 20:12:06,605 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 329 [2021-02-21 20:12:06,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:12:06,613 INFO L225 Difference]: With dead ends: 659 [2021-02-21 20:12:06,613 INFO L226 Difference]: Without dead ends: 332 [2021-02-21 20:12:06,630 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 [2021-02-21 20:12:06,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-21 20:12:06,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 292. [2021-02-21 20:12:06,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-02-21 20:12:06,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 447 transitions. [2021-02-21 20:12:06,719 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 447 transitions. Word has length 329 [2021-02-21 20:12:06,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:12:06,719 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 447 transitions. [2021-02-21 20:12:06,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-21 20:12:06,719 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 447 transitions. [2021-02-21 20:12:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-02-21 20:12:06,723 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:12:06,723 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] [2021-02-21 20:12:06,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-21 20:12:06,723 INFO L428 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:12:06,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:12:06,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1767246410, now seen corresponding path program 10 times [2021-02-21 20:12:06,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:12:06,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989640427] [2021-02-21 20:12:06,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:12:06,728 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:12:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:06,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:06,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:06,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:06,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:06,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:12:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:06,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:06,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:06,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:12:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:06,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:06,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:06,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:06,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:06,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:06,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:06,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:06,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:06,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:06,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:06,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:06,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:06,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:06,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:06,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:06,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:06,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 20:12:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,267 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 20:12:07,268 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 20:12:07,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 20:12:07,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:12:07,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:12:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:12:07,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:12:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:12:07,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-21 20:12:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:07,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:12:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:12:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:12:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-21 20:12:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:07,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-21 20:12:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:07,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:07,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 88 proven. 105 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2021-02-21 20:12:08,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989640427] [2021-02-21 20:12:08,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:12:08,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-21 20:12:08,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877309050] [2021-02-21 20:12:08,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-21 20:12:08,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:12:08,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-21 20:12:08,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2021-02-21 20:12:08,041 INFO L87 Difference]: Start difference. First operand 292 states and 447 transitions. Second operand 26 states. [2021-02-21 20:12:10,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:12:10,700 INFO L93 Difference]: Finished difference Result 712 states and 1266 transitions. [2021-02-21 20:12:10,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-21 20:12:10,701 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 300 [2021-02-21 20:12:10,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:12:10,713 INFO L225 Difference]: With dead ends: 712 [2021-02-21 20:12:10,714 INFO L226 Difference]: Without dead ends: 318 [2021-02-21 20:12:10,725 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 [2021-02-21 20:12:10,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-02-21 20:12:10,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 287. [2021-02-21 20:12:10,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-02-21 20:12:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 428 transitions. [2021-02-21 20:12:10,830 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 428 transitions. Word has length 300 [2021-02-21 20:12:10,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:12:10,831 INFO L480 AbstractCegarLoop]: Abstraction has 287 states and 428 transitions. [2021-02-21 20:12:10,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-21 20:12:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 428 transitions. [2021-02-21 20:12:10,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-02-21 20:12:10,835 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:12:10,836 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] [2021-02-21 20:12:10,836 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-21 20:12:10,836 INFO L428 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:12:10,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:12:10,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1114859737, now seen corresponding path program 11 times [2021-02-21 20:12:10,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:12:10,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155933822] [2021-02-21 20:12:10,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:12:10,841 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:12:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:10,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:10,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:10,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:10,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:10,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:12:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:10,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:10,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:10,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:12:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,151 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 20:12:11,152 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 20:12:11,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-21 20:12:11,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:12:11,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 20:12:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:11,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:12:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:12:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:12:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-21 20:12:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:12:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:12:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:12:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-21 20:12:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-21 20:12:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:11,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:11,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 173 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2021-02-21 20:12:11,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155933822] [2021-02-21 20:12:11,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:12:11,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-21 20:12:11,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337469980] [2021-02-21 20:12:11,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-21 20:12:11,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:12:11,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-21 20:12:11,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-02-21 20:12:11,769 INFO L87 Difference]: Start difference. First operand 287 states and 428 transitions. Second operand 19 states. [2021-02-21 20:12:13,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:12:13,520 INFO L93 Difference]: Finished difference Result 551 states and 901 transitions. [2021-02-21 20:12:13,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-21 20:12:13,521 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 319 [2021-02-21 20:12:13,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:12:13,530 INFO L225 Difference]: With dead ends: 551 [2021-02-21 20:12:13,530 INFO L226 Difference]: Without dead ends: 290 [2021-02-21 20:12:13,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=300, Invalid=1340, Unknown=0, NotChecked=0, Total=1640 [2021-02-21 20:12:13,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-02-21 20:12:13,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2021-02-21 20:12:13,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-02-21 20:12:13,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 424 transitions. [2021-02-21 20:12:13,630 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 424 transitions. Word has length 319 [2021-02-21 20:12:13,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:12:13,631 INFO L480 AbstractCegarLoop]: Abstraction has 287 states and 424 transitions. [2021-02-21 20:12:13,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-21 20:12:13,631 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 424 transitions. [2021-02-21 20:12:13,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-02-21 20:12:13,637 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:12:13,637 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] [2021-02-21 20:12:13,638 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-21 20:12:13,638 INFO L428 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:12:13,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:12:13,638 INFO L82 PathProgramCache]: Analyzing trace with hash 214341815, now seen corresponding path program 12 times [2021-02-21 20:12:13,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:12:13,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192594863] [2021-02-21 20:12:13,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:12:13,645 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:12:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:13,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:13,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:13,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:13,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:12:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:13,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:13,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:12:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:13,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:13,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:13,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:13,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:13,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:13,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:13,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:13,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:13,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:14,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:14,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:14,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:14,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 20:12:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:12:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:12:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-21 20:12:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:12:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:12:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:12:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-21 20:12:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-02-21 20:12:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:12:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:12:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:12:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-21 20:12:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-21 20:12:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:14,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:14,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked. [2021-02-21 20:12:14,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192594863] [2021-02-21 20:12:14,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:12:14,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 20:12:14,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202144127] [2021-02-21 20:12:14,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 20:12:14,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:12:14,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 20:12:14,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-02-21 20:12:14,599 INFO L87 Difference]: Start difference. First operand 287 states and 424 transitions. Second operand 9 states. [2021-02-21 20:12:15,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:12:15,190 INFO L93 Difference]: Finished difference Result 293 states and 429 transitions. [2021-02-21 20:12:15,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 20:12:15,190 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 424 [2021-02-21 20:12:15,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:12:15,194 INFO L225 Difference]: With dead ends: 293 [2021-02-21 20:12:15,195 INFO L226 Difference]: Without dead ends: 287 [2021-02-21 20:12:15,196 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 [2021-02-21 20:12:15,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-02-21 20:12:15,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 263. [2021-02-21 20:12:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2021-02-21 20:12:15,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 368 transitions. [2021-02-21 20:12:15,271 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 368 transitions. Word has length 424 [2021-02-21 20:12:15,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:12:15,272 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 368 transitions. [2021-02-21 20:12:15,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 20:12:15,272 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 368 transitions. [2021-02-21 20:12:15,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2021-02-21 20:12:15,276 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:12:15,276 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 41, 23, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 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] [2021-02-21 20:12:15,276 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-21 20:12:15,277 INFO L428 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:12:15,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:12:15,277 INFO L82 PathProgramCache]: Analyzing trace with hash -618303451, now seen corresponding path program 13 times [2021-02-21 20:12:15,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:12:15,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331504947] [2021-02-21 20:12:15,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:12:15,282 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:12:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:12:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 20:12:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:12:15,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:12:15,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:12:15,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:12:15,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:12:15,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 20:12:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:12:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:12:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-02-21 20:12:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:15,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:15,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:15,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:12:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:12:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:12:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-02-21 20:12:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-21 20:12:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-21 20:12:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 20:12:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-21 20:12:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-21 20:12:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-21 20:12:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-21 20:12:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:12:16,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:12:16,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:12:16,481 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2021-02-21 20:12:16,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331504947] [2021-02-21 20:12:16,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:12:16,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-21 20:12:16,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766111583] [2021-02-21 20:12:16,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-21 20:12:16,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:12:16,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-21 20:12:16,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-02-21 20:12:16,484 INFO L87 Difference]: Start difference. First operand 263 states and 368 transitions. Second operand 12 states. [2021-02-21 20:12:17,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:12:17,231 INFO L93 Difference]: Finished difference Result 487 states and 766 transitions. [2021-02-21 20:12:17,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-21 20:12:17,232 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 415 [2021-02-21 20:12:17,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:12:17,237 INFO L225 Difference]: With dead ends: 487 [2021-02-21 20:12:17,237 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 20:12:17,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2021-02-21 20:12:17,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 20:12:17,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 20:12:17,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 20:12:17,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 20:12:17,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 415 [2021-02-21 20:12:17,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:12:17,246 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 20:12:17,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-21 20:12:17,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 20:12:17,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 20:12:17,246 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-21 20:12:17,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 20:12:25,411 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 102 [2021-02-21 20:12:25,707 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 92 [2021-02-21 20:12:25,950 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-02-21 20:12:26,239 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 119 [2021-02-21 20:12:27,029 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 120 [2021-02-21 20:12:29,213 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 121 [2021-02-21 20:12:32,944 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 92 [2021-02-21 20:12:33,092 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 92 [2021-02-21 20:12:33,752 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-02-21 20:12:33,923 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-21 20:12:34,065 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 133 [2021-02-21 20:12:34,233 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-02-21 20:12:34,393 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:34,518 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-21 20:12:34,768 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 162 [2021-02-21 20:12:35,246 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 165 [2021-02-21 20:12:35,468 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-21 20:12:35,590 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-21 20:12:35,735 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:12:35,882 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:12:36,109 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-21 20:12:36,356 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-21 20:12:36,561 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 152 [2021-02-21 20:12:36,777 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:12:36,903 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-21 20:12:37,274 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-21 20:12:37,511 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-21 20:12:37,655 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:12:37,904 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-21 20:12:38,047 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:12:38,347 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:38,580 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-21 20:12:38,750 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:38,869 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-02-21 20:12:39,027 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:39,145 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-21 20:12:39,315 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:39,613 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-21 20:12:39,728 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-21 20:12:39,953 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-21 20:12:40,090 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 136 [2021-02-21 20:12:40,224 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:12:40,402 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 127 [2021-02-21 20:12:40,566 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-21 20:12:40,734 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-21 20:12:40,971 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-21 20:12:41,093 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-21 20:12:41,200 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-02-21 20:12:41,432 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:41,572 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:41,742 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-21 20:12:41,879 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-21 20:12:42,018 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-21 20:12:42,149 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 130 [2021-02-21 20:12:42,269 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-21 20:12:42,391 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 122 [2021-02-21 20:12:42,534 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:42,673 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:12:42,818 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:43,038 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:43,220 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:43,452 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-21 20:12:43,600 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 117 [2021-02-21 20:12:43,740 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:43,850 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:12:43,993 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:44,100 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:12:44,245 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 123 [2021-02-21 20:12:44,364 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-21 20:12:44,593 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-21 20:12:44,697 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:12:44,992 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-21 20:12:45,115 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:12:45,265 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:45,404 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:45,544 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 125 [2021-02-21 20:12:45,777 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-21 20:12:45,974 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-21 20:12:46,221 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:46,362 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:46,523 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:46,671 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:12:46,917 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-21 20:12:47,134 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-21 20:12:47,636 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-21 20:12:47,775 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:12:47,978 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 130 [2021-02-21 20:12:48,116 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:12:48,230 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2021-02-21 20:12:48,346 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-21 20:12:48,577 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:12:48,720 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:48,896 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:49,085 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:49,278 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:49,413 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-21 20:12:49,564 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:49,703 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:49,845 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:49,964 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-21 20:12:50,081 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-21 20:12:50,294 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:12:50,432 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-21 20:12:50,575 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-21 20:12:50,790 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-21 20:12:50,951 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:51,126 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-02-21 20:12:51,332 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:12:51,471 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:12:51,695 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-21 20:12:51,850 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-21 20:12:51,975 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-21 20:12:52,096 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-21 20:12:52,310 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-21 20:12:52,422 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:12:52,566 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:52,970 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:12:53,117 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:12:53,302 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:12:53,525 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 141 [2021-02-21 20:12:53,790 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 141 [2021-02-21 20:12:53,920 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-21 20:12:54,104 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 122 [2021-02-21 20:12:54,236 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:12:54,413 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-02-21 20:12:54,577 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-21 20:12:54,719 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 133 [2021-02-21 20:12:54,890 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-02-21 20:12:55,049 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:55,168 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-21 20:12:55,408 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 162 [2021-02-21 20:12:55,871 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 165 [2021-02-21 20:12:56,081 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-21 20:12:56,197 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-21 20:12:56,333 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:12:56,479 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:12:56,696 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-21 20:12:56,918 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-21 20:12:57,107 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 152 [2021-02-21 20:12:57,308 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:12:57,428 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-21 20:12:57,769 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-21 20:12:57,993 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-21 20:12:58,131 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:12:58,367 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-21 20:12:58,505 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:12:58,786 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:12:59,017 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-21 20:12:59,178 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:59,291 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-02-21 20:12:59,451 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:12:59,570 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-21 20:12:59,736 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:13:00,033 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-21 20:13:00,152 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-21 20:13:00,373 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-21 20:13:00,517 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 136 [2021-02-21 20:13:00,652 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:13:00,982 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-21 20:13:01,146 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-21 20:13:01,377 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-21 20:13:01,496 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-21 20:13:01,827 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:13:01,968 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:02,146 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-21 20:13:02,283 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-21 20:13:02,415 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-21 20:13:02,544 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 130 [2021-02-21 20:13:02,661 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-21 20:13:02,781 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 122 [2021-02-21 20:13:02,928 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:03,066 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:13:03,209 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:03,431 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:13:03,608 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:13:03,847 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-21 20:13:03,994 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 117 [2021-02-21 20:13:04,140 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:04,245 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:13:04,395 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:04,502 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:13:04,655 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 123 [2021-02-21 20:13:04,776 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-21 20:13:04,997 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-21 20:13:05,099 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:13:05,402 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-21 20:13:05,524 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:13:05,662 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:05,803 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:05,966 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 125 [2021-02-21 20:13:06,202 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-21 20:13:06,400 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-21 20:13:06,643 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:06,784 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:06,942 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:13:07,092 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:13:07,327 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-21 20:13:07,541 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-21 20:13:08,040 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-21 20:13:08,179 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:13:08,387 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 130 [2021-02-21 20:13:08,526 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:13:08,642 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2021-02-21 20:13:08,759 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-21 20:13:08,981 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:13:09,123 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:09,303 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:13:09,489 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:13:09,671 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:13:09,810 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-21 20:13:09,966 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:10,110 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:10,254 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:10,375 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-21 20:13:10,490 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-21 20:13:10,594 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:13:10,709 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:13:10,847 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-21 20:13:11,008 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-21 20:13:11,222 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-21 20:13:11,383 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-21 20:13:11,557 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-02-21 20:13:11,765 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:13:11,907 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:13:12,125 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-21 20:13:12,278 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-21 20:13:12,404 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-21 20:13:12,524 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-21 20:13:12,748 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-21 20:13:12,857 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:13:12,998 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-21 20:13:13,102 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-02-21 20:13:13,270 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-02-21 20:13:13,411 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:13:13,561 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-21 20:13:13,747 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-21 20:13:13,979 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 141 [2021-02-21 20:13:14,259 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 141 [2021-02-21 20:13:14,394 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-21 20:13:14,579 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 122 [2021-02-21 20:13:14,715 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-21 20:13:15,418 WARN L202 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2021-02-21 20:13:15,753 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-21 20:13:16,041 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 157 [2021-02-21 20:13:16,596 WARN L202 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 161 [2021-02-21 20:13:16,801 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-21 20:13:17,091 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-21 20:13:17,325 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-21 20:13:18,331 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 335 DAG size of output: 240 [2021-02-21 20:13:18,588 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:13:20,367 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 436 DAG size of output: 280 [2021-02-21 20:13:20,826 WARN L202 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-21 20:13:21,210 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-21 20:13:21,672 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:13:22,131 WARN L202 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:13:22,969 WARN L202 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-21 20:13:23,760 WARN L202 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-21 20:13:24,200 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 202 [2021-02-21 20:13:24,469 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:13:24,716 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:13:24,951 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-21 20:13:25,219 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-21 20:13:25,487 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-21 20:13:25,989 WARN L202 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 161 [2021-02-21 20:13:26,261 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-21 20:13:27,054 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-21 20:13:27,320 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:13:27,511 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 107 [2021-02-21 20:13:27,780 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 154 [2021-02-21 20:13:28,030 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:13:28,491 WARN L202 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2021-02-21 20:13:28,768 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:13:29,211 WARN L202 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:13:29,744 WARN L202 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-21 20:13:30,049 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-21 20:13:30,279 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-21 20:13:30,579 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-21 20:13:30,956 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-21 20:13:31,259 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-21 20:13:31,403 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 120 [2021-02-21 20:13:31,857 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-21 20:13:32,247 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-21 20:13:32,775 WARN L202 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-21 20:13:33,419 WARN L202 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 193 [2021-02-21 20:13:33,666 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:13:33,929 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:13:34,131 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 143 [2021-02-21 20:13:34,472 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-21 20:13:34,819 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-21 20:13:35,091 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-21 20:13:35,444 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-21 20:13:35,691 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-21 20:13:35,894 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-21 20:13:36,169 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-21 20:13:36,480 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-21 20:13:36,921 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:13:37,408 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-21 20:13:37,689 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-21 20:13:37,972 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-21 20:13:38,233 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2021-02-21 20:13:38,614 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-21 20:13:39,010 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 162 [2021-02-21 20:13:39,460 WARN L202 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:13:39,725 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:13:40,159 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:13:40,288 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 120 [2021-02-21 20:13:40,574 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-21 20:13:40,936 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-21 20:13:41,725 WARN L202 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-21 20:13:42,494 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 216 [2021-02-21 20:13:42,935 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:13:43,151 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:13:43,594 WARN L202 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:13:43,809 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:13:44,586 WARN L202 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 209 [2021-02-21 20:13:44,821 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-21 20:13:45,618 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-21 20:13:45,836 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:13:46,052 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 152 [2021-02-21 20:13:46,551 WARN L202 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-21 20:13:46,815 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:13:47,256 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:13:47,698 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:13:47,990 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 151 [2021-02-21 20:13:48,799 WARN L202 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-21 20:13:49,682 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 221 [2021-02-21 20:13:50,310 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-02-21 20:13:50,776 WARN L202 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:13:51,220 WARN L202 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:13:51,516 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-21 20:13:51,788 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:13:52,332 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-21 20:13:52,781 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-21 20:13:53,056 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-21 20:13:53,313 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-21 20:13:53,575 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2021-02-21 20:13:53,858 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:13:54,652 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-21 20:13:55,123 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:13:55,509 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2021-02-21 20:13:55,806 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2021-02-21 20:13:56,254 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:13:56,654 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 159 [2021-02-21 20:13:57,048 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-21 20:13:57,544 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 139 [2021-02-21 20:13:57,789 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:13:58,223 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:13:58,583 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-21 20:13:58,943 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-21 20:13:59,299 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-21 20:13:59,572 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-21 20:14:00,032 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:00,485 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:00,920 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:01,315 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-21 20:14:01,690 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-21 20:14:01,905 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:14:02,151 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:14:02,424 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-21 20:14:02,887 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-21 20:14:03,381 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-21 20:14:03,676 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-21 20:14:04,373 WARN L202 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2021-02-21 20:14:04,943 WARN L202 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 164 [2021-02-21 20:14:05,404 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:14:05,859 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:14:06,645 WARN L202 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-21 20:14:07,127 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-21 20:14:07,361 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-21 20:14:07,598 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-21 20:14:08,040 WARN L202 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-21 20:14:08,267 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:14:08,699 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:08,897 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-21 20:14:09,158 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:14:09,356 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-21 20:14:09,799 WARN L202 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:14:10,284 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:14:10,580 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:14:10,797 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:14:11,768 WARN L202 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 227 [2021-02-21 20:14:12,020 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-21 20:14:12,899 WARN L202 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 227 [2021-02-21 20:14:13,176 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-21 20:14:13,648 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 142 [2021-02-21 20:14:14,113 WARN L202 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 170 [2021-02-21 20:14:14,369 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:14:15,134 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2021-02-21 20:14:15,502 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-21 20:14:15,797 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 157 [2021-02-21 20:14:16,369 WARN L202 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 161 [2021-02-21 20:14:16,572 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-21 20:14:16,882 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-21 20:14:17,121 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-21 20:14:18,143 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 335 DAG size of output: 240 [2021-02-21 20:14:18,430 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:14:20,365 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 436 DAG size of output: 280 [2021-02-21 20:14:20,828 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-21 20:14:21,237 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-21 20:14:21,686 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:14:22,152 WARN L202 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:14:23,005 WARN L202 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-21 20:14:23,813 WARN L202 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-21 20:14:24,257 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 202 [2021-02-21 20:14:24,537 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:14:24,797 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:14:25,036 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-21 20:14:25,333 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-21 20:14:25,619 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-21 20:14:26,170 WARN L202 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 161 [2021-02-21 20:14:26,451 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-21 20:14:27,300 WARN L202 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-21 20:14:27,559 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:14:27,762 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 107 [2021-02-21 20:14:28,041 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 154 [2021-02-21 20:14:28,301 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:14:28,795 WARN L202 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2021-02-21 20:14:29,095 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:14:29,559 WARN L202 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:30,088 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-21 20:14:30,425 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-21 20:14:30,664 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-21 20:14:30,975 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-21 20:14:31,389 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-21 20:14:31,709 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-21 20:14:31,860 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 120 [2021-02-21 20:14:32,321 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-21 20:14:32,722 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-21 20:14:33,276 WARN L202 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-21 20:14:33,949 WARN L202 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 193 [2021-02-21 20:14:34,212 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:14:34,484 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:14:34,689 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 143 [2021-02-21 20:14:35,044 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-21 20:14:35,397 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-21 20:14:35,692 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-21 20:14:36,058 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-21 20:14:36,313 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-21 20:14:36,524 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-21 20:14:36,811 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-21 20:14:37,136 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-21 20:14:37,585 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:38,076 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-21 20:14:38,355 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-21 20:14:38,635 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-21 20:14:38,903 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2021-02-21 20:14:39,294 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-21 20:14:39,706 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 162 [2021-02-21 20:14:40,154 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:40,428 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:14:40,883 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:41,013 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 120 [2021-02-21 20:14:41,333 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-21 20:14:41,703 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-21 20:14:42,515 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-21 20:14:43,321 WARN L202 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 216 [2021-02-21 20:14:43,792 WARN L202 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:44,019 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:14:44,488 WARN L202 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:44,722 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:14:45,553 WARN L202 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 209 [2021-02-21 20:14:45,791 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-21 20:14:46,651 WARN L202 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-21 20:14:46,878 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:14:47,101 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 152 [2021-02-21 20:14:47,611 WARN L202 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-21 20:14:47,880 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:14:48,330 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:48,779 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:49,089 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 151 [2021-02-21 20:14:49,963 WARN L202 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-21 20:14:50,974 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 221 [2021-02-21 20:14:51,643 WARN L202 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-02-21 20:14:52,107 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:52,567 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:14:52,872 WARN L202 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-21 20:14:53,154 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:14:53,739 WARN L202 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-21 20:14:54,212 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-21 20:14:54,496 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-21 20:14:54,771 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-21 20:14:55,050 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2021-02-21 20:14:55,342 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:14:56,183 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-21 20:14:56,662 WARN L202 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:14:57,048 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2021-02-21 20:14:57,343 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2021-02-21 20:14:57,802 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:14:58,200 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 159 [2021-02-21 20:14:58,582 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-21 20:14:59,079 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 139 [2021-02-21 20:14:59,330 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:14:59,783 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:15:00,152 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-21 20:15:00,517 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-21 20:15:00,886 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-21 20:15:01,239 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-21 20:15:01,727 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:15:02,168 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:15:02,614 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:15:03,021 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-21 20:15:03,414 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-21 20:15:03,681 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:15:03,949 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:15:04,239 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-21 20:15:04,722 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-21 20:15:05,236 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-21 20:15:05,531 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-21 20:15:06,231 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2021-02-21 20:15:06,827 WARN L202 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 164 [2021-02-21 20:15:07,284 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:15:07,747 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:15:08,555 WARN L202 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-21 20:15:09,041 WARN L202 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-21 20:15:09,276 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-21 20:15:09,509 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-21 20:15:09,965 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-21 20:15:10,198 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:15:10,665 WARN L202 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-21 20:15:10,871 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-21 20:15:11,136 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:15:11,340 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-21 20:15:11,803 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:15:12,295 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-21 20:15:12,591 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-21 20:15:12,816 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-21 20:15:13,789 WARN L202 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 227 [2021-02-21 20:15:14,045 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-21 20:15:14,931 WARN L202 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 227 [2021-02-21 20:15:15,212 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-21 20:15:15,642 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 142 [2021-02-21 20:15:16,103 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 170 [2021-02-21 20:15:16,352 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-21 20:15:16,735 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 189 [2021-02-21 20:15:16,884 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 111 [2021-02-21 20:15:17,026 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 99 [2021-02-21 20:15:17,270 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 145 [2021-02-21 20:15:17,379 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:17,531 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-21 20:15:17,651 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-21 20:15:18,126 WARN L202 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 184 [2021-02-21 20:15:18,298 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-21 20:15:19,229 WARN L202 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 184 [2021-02-21 20:15:19,415 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-21 20:15:19,665 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-21 20:15:19,928 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:20,200 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:20,634 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-21 20:15:21,039 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 202 [2021-02-21 20:15:21,211 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 151 [2021-02-21 20:15:21,380 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-21 20:15:21,513 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-21 20:15:21,635 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 82 [2021-02-21 20:15:21,809 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-21 20:15:21,982 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-21 20:15:22,191 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 139 [2021-02-21 20:15:22,321 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-21 20:15:22,737 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-21 20:15:22,867 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-21 20:15:23,118 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 89 [2021-02-21 20:15:23,250 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-21 20:15:23,458 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2021-02-21 20:15:23,641 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-21 20:15:23,906 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:24,127 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-21 20:15:24,282 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 102 [2021-02-21 20:15:24,416 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:24,561 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-21 20:15:24,801 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-21 20:15:24,950 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 102 [2021-02-21 20:15:25,201 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-21 20:15:25,442 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-21 20:15:25,677 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-02-21 20:15:25,923 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 155 [2021-02-21 20:15:26,058 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-21 20:15:26,228 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-21 20:15:26,438 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 111 [2021-02-21 20:15:26,587 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 111 [2021-02-21 20:15:26,758 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-21 20:15:26,906 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 111 [2021-02-21 20:15:27,026 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-21 20:15:27,140 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:27,319 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-21 20:15:27,468 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 102 [2021-02-21 20:15:27,733 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:28,046 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-21 20:15:28,181 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-21 20:15:28,311 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-21 20:15:28,435 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 97 [2021-02-21 20:15:28,675 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-21 20:15:28,925 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 132 [2021-02-21 20:15:29,191 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:29,328 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-21 20:15:29,592 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:29,800 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-21 20:15:29,957 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 111 [2021-02-21 20:15:30,368 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 202 [2021-02-21 20:15:30,727 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 181 [2021-02-21 20:15:31,002 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:31,114 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:31,378 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:31,486 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:31,885 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 166 [2021-02-21 20:15:32,006 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-21 20:15:32,421 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-21 20:15:32,529 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:32,634 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 133 [2021-02-21 20:15:32,839 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-02-21 20:15:32,985 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:33,251 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:33,514 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:33,674 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 89 [2021-02-21 20:15:34,111 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 202 [2021-02-21 20:15:34,576 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 170 [2021-02-21 20:15:34,885 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 139 [2021-02-21 20:15:35,153 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:35,422 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:35,571 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-21 20:15:35,723 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-21 20:15:35,974 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-02-21 20:15:36,157 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-21 20:15:36,332 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-21 20:15:36,500 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-21 20:15:36,680 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-21 20:15:36,871 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-21 20:15:37,283 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-21 20:15:37,561 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:37,733 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-02-21 20:15:37,886 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 97 [2021-02-21 20:15:38,155 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:38,416 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 132 [2021-02-21 20:15:38,673 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-21 20:15:38,917 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 124 [2021-02-21 20:15:39,051 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-21 20:15:39,320 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:39,479 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 111 [2021-02-21 20:15:39,645 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 111 [2021-02-21 20:15:39,801 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 111 [2021-02-21 20:15:39,934 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-21 20:15:40,218 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:40,489 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:40,754 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:41,004 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-21 20:15:41,245 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-21 20:15:41,354 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:41,488 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:41,653 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 82 [2021-02-21 20:15:41,928 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2021-02-21 20:15:42,134 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-02-21 20:15:42,281 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-21 20:15:42,665 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 189 [2021-02-21 20:15:42,919 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 149 [2021-02-21 20:15:43,183 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:43,449 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:43,854 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-21 20:15:44,147 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2021-02-21 20:15:44,268 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-21 20:15:44,387 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-21 20:15:44,569 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-21 20:15:44,686 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:44,949 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:45,058 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:45,226 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-21 20:15:45,336 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:45,603 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:45,892 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-21 20:15:46,080 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-21 20:15:46,189 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-21 20:15:46,697 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 174 [2021-02-21 20:15:46,865 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-21 20:15:47,318 WARN L202 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 174 [2021-02-21 20:15:47,450 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-21 20:15:47,627 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 127 [2021-02-21 20:15:47,911 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2021-02-21 20:15:48,044 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-21 20:15:48,877 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 117 [2021-02-21 20:15:49,138 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 129 [2021-02-21 20:15:51,565 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 113 [2021-02-21 20:15:52,379 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 106 [2021-02-21 20:15:53,999 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 99 [2021-02-21 20:15:54,195 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 104 [2021-02-21 20:15:54,340 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 83 [2021-02-21 20:15:55,061 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 110 [2021-02-21 20:15:55,191 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 110 [2021-02-21 20:15:55,835 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-02-21 20:15:56,101 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 119 [2021-02-21 20:15:59,062 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 121 [2021-02-21 20:15:59,986 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-02-21 20:16:02,864 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 92 [2021-02-21 20:16:03,015 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 92 [2021-02-21 20:16:03,399 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 11 [2021-02-21 20:16:03,965 WARN L202 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 26 [2021-02-21 20:16:04,535 WARN L202 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 26 [2021-02-21 20:16:05,165 WARN L202 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2021-02-21 20:16:05,454 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 10 [2021-02-21 20:16:05,578 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 18 [2021-02-21 20:16:05,725 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 7 [2021-02-21 20:16:05,844 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 14 [2021-02-21 20:16:05,961 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 14 [2021-02-21 20:16:10,246 WARN L202 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 259 DAG size of output: 75 [2021-02-21 20:16:10,508 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 10 [2021-02-21 20:16:19,073 WARN L202 SmtUtils]: Spent 8.54 s on a formula simplification. DAG size of input: 514 DAG size of output: 62 [2021-02-21 20:16:27,598 WARN L202 SmtUtils]: Spent 8.50 s on a formula simplification. DAG size of input: 514 DAG size of output: 62 [2021-02-21 20:16:42,233 WARN L202 SmtUtils]: Spent 14.60 s on a formula simplification. DAG size of input: 872 DAG size of output: 80 [2021-02-21 20:16:57,000 WARN L202 SmtUtils]: Spent 14.74 s on a formula simplification. DAG size of input: 872 DAG size of output: 80 [2021-02-21 20:17:06,255 WARN L202 SmtUtils]: Spent 9.24 s on a formula simplification. DAG size of input: 528 DAG size of output: 83 [2021-02-21 20:17:06,388 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 3 [2021-02-21 20:17:06,514 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 15 [2021-02-21 20:17:06,793 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 9 [2021-02-21 20:17:11,114 WARN L202 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 257 DAG size of output: 69 [2021-02-21 20:17:15,562 WARN L202 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 259 DAG size of output: 75 [2021-02-21 20:17:15,571 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 20:17:15,571 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 20:17:15,572 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 20:17:15,572 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-21 20:17:15,572 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-21 20:17:15,572 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 20:17:15,572 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-21 20:17:15,572 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-21 20:17:15,572 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-21 20:17:15,573 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|)) [2021-02-21 20:17:15,573 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-21 20:17:15,573 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-21 20:17:15,573 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-21 20:17:15,573 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-21 20:17:15,574 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 20:17:15,574 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 20:17:15,574 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-21 20:17:15,574 INFO L192 CegarLoopUtils]: At program point L29(lines 29 33) the Hoare annotation is: true [2021-02-21 20:17:15,574 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 27 47) the Hoare annotation is: true [2021-02-21 20:17:15,574 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 27 47) the Hoare annotation is: true [2021-02-21 20:17:15,574 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)) [2021-02-21 20:17:15,574 INFO L192 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: true [2021-02-21 20:17:15,575 INFO L192 CegarLoopUtils]: At program point L34-1(line 34) the Hoare annotation is: true [2021-02-21 20:17:15,575 INFO L192 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: true [2021-02-21 20:17:15,575 INFO L192 CegarLoopUtils]: At program point L34-2(line 34) the Hoare annotation is: true [2021-02-21 20:17:15,575 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) the Hoare annotation is: false [2021-02-21 20:17:15,575 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 27 47) the Hoare annotation is: true [2021-02-21 20:17:15,575 INFO L192 CegarLoopUtils]: At program point L28(line 28) the Hoare annotation is: true [2021-02-21 20:17:15,575 INFO L192 CegarLoopUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2021-02-21 20:17:15,575 INFO L185 CegarLoopUtils]: At program point L45(line 45) the Hoare annotation is: false [2021-02-21 20:17:15,575 INFO L185 CegarLoopUtils]: At program point L45-1(line 45) the Hoare annotation is: false [2021-02-21 20:17:15,575 INFO L192 CegarLoopUtils]: At program point L43(line 43) the Hoare annotation is: true [2021-02-21 20:17:15,575 INFO L192 CegarLoopUtils]: At program point L41(line 41) the Hoare annotation is: true [2021-02-21 20:17:15,576 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)) [2021-02-21 20:17:15,576 INFO L192 CegarLoopUtils]: At program point L39(line 39) the Hoare annotation is: true [2021-02-21 20:17:15,576 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)) [2021-02-21 20:17:15,576 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)) [2021-02-21 20:17:15,576 INFO L192 CegarLoopUtils]: At program point L35(lines 35 40) the Hoare annotation is: true [2021-02-21 20:17:15,576 INFO L185 CegarLoopUtils]: At program point ackermannEXIT(lines 16 24) the Hoare annotation is: (let ((.cse10 (<= 3 ackermann_~m)) (.cse8 (+ |ackermann_#in~n| 1)) (.cse9 (= |ackermann_#in~m| 0)) (.cse16 (<= 7 |ackermann_#res|)) (.cse17 (<= |ackermann_#res| 7)) (.cse12 (<= |ackermann_#in~m| 1)) (.cse0 (= |ackermann_#in~n| 0)) (.cse15 (<= |ackermann_#res| 5)) (.cse18 (<= 3 |ackermann_#in~n|)) (.cse3 (<= 3 |ackermann_#res|)) (.cse6 (<= 2 |ackermann_#in~n|)) (.cse14 (<= |ackermann_#in~n| 1)) (.cse1 (<= 2 ackermann_~m)) (.cse11 (<= 1 |ackermann_#in~n|)) (.cse5 (<= |ackermann_#res| 3)) (.cse19 (not (<= 1 |ackermann_#in~m|)))) (and (let ((.cse13 (<= 1 ackermann_~m)) (.cse7 (<= 5 |ackermann_#res|)) (.cse2 (= ackermann_~n |ackermann_#in~n|)) (.cse4 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse2 .cse4) (and (<= .cse8 |ackermann_#res|) .cse2 .cse4 .cse9) (and .cse10 .cse0 .cse2 .cse3 .cse4) (and .cse10 .cse11 .cse7 .cse2 .cse4) (and .cse12 .cse13 .cse7 .cse2 .cse4) (and .cse12 (<= 4 |ackermann_#res|) .cse13 (<= |ackermann_#in~n| 2) .cse2 .cse4) (and .cse14 .cse12 .cse13 .cse2 .cse4) (and .cse11 .cse15 .cse1 .cse7 .cse2 .cse4))) (or .cse10 .cse14 (and .cse16 .cse17) .cse18 (<= ackermann_~m 1)) (or .cse0 (<= |ackermann_#res| .cse8) (not .cse9)) (or (and .cse16 .cse17 (<= 5 |ackermann_#in~n|)) (<= 6 |ackermann_#in~n|) (not .cse12) (and (<= |ackermann_#res| 6) (<= 4 |ackermann_#in~n|) (<= 6 |ackermann_#res|) (<= |ackermann_#in~n| 4)) .cse0 (and (<= |ackermann_#in~n| 3) .cse15 .cse18) .cse19 (and .cse14 .cse3) (and .cse6 (<= |ackermann_#res| 4))) (or (and (<= 2 |ackermann_#res|) (<= |ackermann_#res| 2)) (not .cse14) .cse1 (and .cse11 .cse5) .cse19))) [2021-02-21 20:17:15,577 INFO L185 CegarLoopUtils]: At program point L23(line 23) the Hoare annotation is: (and (not (= ackermann_~m 0)) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|)) [2021-02-21 20:17:15,577 INFO L185 CegarLoopUtils]: At program point L23-1(line 23) the Hoare annotation is: (let ((.cse6 (<= |ackermann_#in~n| 1))) (let ((.cse3 (<= 5 |ackermann_#t~ret8|)) (.cse0 (<= ackermann_~m 1)) (.cse4 (<= 3 |ackermann_#t~ret8|)) (.cse2 (= ackermann_~m |ackermann_#in~m|)) (.cse9 (<= 3 ackermann_~m)) (.cse10 (not .cse6)) (.cse11 (<= |ackermann_#t~ret8| 3)) (.cse8 (<= 3 |ackermann_#in~n|)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse5 (not (<= |ackermann_#in~m| 1))) (.cse7 (<= |ackermann_#t~ret8| 5))) (and (or (= |ackermann_#in~n| 1) (and (<= |ackermann_#in~n| 3) .cse0 (<= 4 |ackermann_#t~ret8|) .cse1 .cse2) (and .cse1 .cse2 .cse3) (and (<= |ackermann_#in~n| 2) .cse4 .cse1 .cse2)) (or (and (<= 6 |ackermann_#t~ret8|) (<= |ackermann_#t~ret8| 6)) (<= 6 |ackermann_#in~n|) .cse5 (<= |ackermann_#in~n| 4)) (or .cse6 (and .cse7 .cse3) .cse8 .cse0 (and .cse9 .cse3)) (or (and (<= |ackermann_#t~ret8| 2) (<= 2 |ackermann_#t~ret8|) .cse0 .cse2) .cse10 (and (<= 1 |ackermann_#in~n|) (<= 2 ackermann_~m) .cse4 .cse1 .cse2)) (<= 1 ackermann_~m) (or .cse9 .cse11 .cse10) (or .cse5 (<= 4 |ackermann_#in~n|) (and .cse11 (<= 2 |ackermann_#in~n|)) (and (<= |ackermann_#t~ret8| 4) .cse8) (and (<= |ackermann_#in~n| ackermann_~m) .cse1)) (or .cse5 (<= 5 |ackermann_#in~n|) .cse7)))) [2021-02-21 20:17:15,577 INFO L192 CegarLoopUtils]: At program point ackermannENTRY(lines 16 24) the Hoare annotation is: true [2021-02-21 20:17:15,577 INFO L185 CegarLoopUtils]: At program point L21(line 21) the Hoare annotation is: (and (= |ackermann_#in~n| 0) (not (= ackermann_~m 0)) (= ackermann_~m |ackermann_#in~m|) (= ackermann_~n |ackermann_#in~n|)) [2021-02-21 20:17:15,577 INFO L185 CegarLoopUtils]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse6 (<= |ackermann_#in~n| 1))) (let ((.cse3 (<= 5 |ackermann_#t~ret8|)) (.cse0 (<= ackermann_~m 1)) (.cse4 (<= 3 |ackermann_#t~ret8|)) (.cse2 (= ackermann_~m |ackermann_#in~m|)) (.cse9 (<= 3 ackermann_~m)) (.cse10 (not .cse6)) (.cse11 (<= |ackermann_#t~ret8| 3)) (.cse8 (<= 3 |ackermann_#in~n|)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse5 (not (<= |ackermann_#in~m| 1))) (.cse7 (<= |ackermann_#t~ret8| 5))) (and (or (= |ackermann_#in~n| 1) (and (<= |ackermann_#in~n| 3) .cse0 (<= 4 |ackermann_#t~ret8|) .cse1 .cse2) (and .cse1 .cse2 .cse3) (and (<= |ackermann_#in~n| 2) .cse4 .cse1 .cse2)) (or (and (<= 6 |ackermann_#t~ret8|) (<= |ackermann_#t~ret8| 6)) (<= 6 |ackermann_#in~n|) .cse5 (<= |ackermann_#in~n| 4)) (or .cse6 (and .cse7 .cse3) .cse8 .cse0 (and .cse9 .cse3)) (or (and (<= |ackermann_#t~ret8| 2) (<= 2 |ackermann_#t~ret8|) .cse0 .cse2) .cse10 (and (<= 1 |ackermann_#in~n|) (<= 2 ackermann_~m) .cse4 .cse1 .cse2)) (<= 1 ackermann_~m) (or .cse9 .cse11 .cse10) (or .cse5 (<= 4 |ackermann_#in~n|) (and .cse11 (<= 2 |ackermann_#in~n|)) (and (<= |ackermann_#t~ret8| 4) .cse8) (and (<= |ackermann_#in~n| ackermann_~m) .cse1)) (or .cse5 (<= 5 |ackermann_#in~n|) .cse7)))) [2021-02-21 20:17:15,577 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))) [2021-02-21 20:17:15,578 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_#in~n| 0)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse2 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 (<= ackermann_~m 1) .cse1 (<= 2 |ackermann_#t~ret7|) (<= 1 |ackermann_#in~m|) .cse2) (and .cse0 .cse1 .cse2 (<= 3 |ackermann_#t~ret7|))))) [2021-02-21 20:17:15,578 INFO L185 CegarLoopUtils]: At program point L23-3(line 23) the Hoare annotation is: (let ((.cse8 (<= |ackermann_#t~ret9| 5)) (.cse15 (<= 2 ackermann_~m)) (.cse9 (<= 3 ackermann_~m)) (.cse14 (<= |ackermann_#in~n| 1)) (.cse0 (<= 5 |ackermann_#t~ret9|)) (.cse16 (<= 1 |ackermann_#in~n|)) (.cse4 (<= 3 |ackermann_#t~ret8|)) (.cse2 (= ackermann_~n |ackermann_#in~n|)) (.cse3 (= ackermann_~m |ackermann_#in~m|))) (let ((.cse6 (and .cse9 .cse14 .cse0 .cse16 .cse4 .cse2 .cse3)) (.cse7 (and .cse14 .cse0 .cse8 .cse16 .cse4 .cse15 .cse2 .cse3)) (.cse13 (<= 3 |ackermann_#in~n|)) (.cse11 (<= 7 |ackermann_#t~ret9|)) (.cse12 (<= |ackermann_#t~ret9| 7))) (and (let ((.cse1 (<= 1 ackermann_~m)) (.cse5 (<= ackermann_~m 1))) (or (and .cse0 .cse1 (<= 5 |ackermann_#t~ret8|) .cse2 .cse3) (and (<= |ackermann_#t~ret8| 3) .cse1 (<= 4 |ackermann_#t~ret9|) (<= |ackermann_#in~n| 2) .cse4 .cse5 .cse3 .cse2) (and (<= |ackermann_#t~ret8| 2) (<= |ackermann_#in~n| ackermann_~m) (<= 2 |ackermann_#t~ret8|) .cse5 (<= 3 |ackermann_#t~ret9|) .cse3 .cse2) .cse6 .cse7 (and .cse0 .cse8 (<= |ackermann_#in~n| 3) .cse1 .cse5 (<= 4 |ackermann_#t~ret8|) .cse2 .cse3))) (let ((.cse10 (<= 2 |ackermann_#in~n|))) (or (and .cse9 .cse10) (and .cse11 .cse10 .cse12) .cse6 (not (<= 2 |ackermann_#in~m|)) .cse13 .cse7)) (or (not .cse14) .cse15 (and .cse16 (<= |ackermann_#t~ret9| 3))) (or (<= 6 |ackermann_#in~n|) (not (<= |ackermann_#in~m| 1)) (<= |ackermann_#t~ret9| 4) (and (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret9| 6) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#t~ret9|) (<= |ackermann_#in~n| 4)) (and (<= |ackermann_#t~ret8| 4) .cse13) (and (<= 5 |ackermann_#in~n|) .cse11 .cse12))))) [2021-02-21 20:17:15,578 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_#in~n| 0)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse2 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 (<= ackermann_~m 1) .cse1 (<= 2 |ackermann_#t~ret7|) (<= 1 |ackermann_#in~m|) .cse2) (and .cse0 .cse1 .cse2 (<= 3 |ackermann_#t~ret7|))))) [2021-02-21 20:17:15,578 INFO L185 CegarLoopUtils]: At program point L23-4(line 23) the Hoare annotation is: (let ((.cse8 (<= |ackermann_#t~ret9| 5)) (.cse15 (<= 2 ackermann_~m)) (.cse9 (<= 3 ackermann_~m)) (.cse14 (<= |ackermann_#in~n| 1)) (.cse0 (<= 5 |ackermann_#t~ret9|)) (.cse16 (<= 1 |ackermann_#in~n|)) (.cse4 (<= 3 |ackermann_#t~ret8|)) (.cse2 (= ackermann_~n |ackermann_#in~n|)) (.cse3 (= ackermann_~m |ackermann_#in~m|))) (let ((.cse6 (and .cse9 .cse14 .cse0 .cse16 .cse4 .cse2 .cse3)) (.cse7 (and .cse14 .cse0 .cse8 .cse16 .cse4 .cse15 .cse2 .cse3)) (.cse13 (<= 3 |ackermann_#in~n|)) (.cse11 (<= 7 |ackermann_#t~ret9|)) (.cse12 (<= |ackermann_#t~ret9| 7))) (and (let ((.cse1 (<= 1 ackermann_~m)) (.cse5 (<= ackermann_~m 1))) (or (and .cse0 .cse1 (<= 5 |ackermann_#t~ret8|) .cse2 .cse3) (and (<= |ackermann_#t~ret8| 3) .cse1 (<= 4 |ackermann_#t~ret9|) (<= |ackermann_#in~n| 2) .cse4 .cse5 .cse3 .cse2) (and (<= |ackermann_#t~ret8| 2) (<= |ackermann_#in~n| ackermann_~m) (<= 2 |ackermann_#t~ret8|) .cse5 (<= 3 |ackermann_#t~ret9|) .cse3 .cse2) .cse6 .cse7 (and .cse0 .cse8 (<= |ackermann_#in~n| 3) .cse1 .cse5 (<= 4 |ackermann_#t~ret8|) .cse2 .cse3))) (let ((.cse10 (<= 2 |ackermann_#in~n|))) (or (and .cse9 .cse10) (and .cse11 .cse10 .cse12) .cse6 (not (<= 2 |ackermann_#in~m|)) .cse13 .cse7)) (or (not .cse14) .cse15 (and .cse16 (<= |ackermann_#t~ret9| 3))) (or (<= 6 |ackermann_#in~n|) (not (<= |ackermann_#in~m| 1)) (<= |ackermann_#t~ret9| 4) (and (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret9| 6) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#t~ret9|) (<= |ackermann_#in~n| 4)) (and (<= |ackermann_#t~ret8| 4) .cse13) (and (<= 5 |ackermann_#in~n|) .cse11 .cse12))))) [2021-02-21 20:17:15,579 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)) [2021-02-21 20:17:15,579 INFO L185 CegarLoopUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (let ((.cse0 (= |ackermann_#in~n| 0)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse2 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 (<= 3 |ackermann_#res|) .cse1 .cse2 (<= 3 |ackermann_#t~ret7|)) (and (<= 2 |ackermann_#res|) .cse0 (<= ackermann_~m 1) .cse1 (<= 2 |ackermann_#t~ret7|) .cse2))) (or (<= 3 ackermann_~m) (and (<= |ackermann_#res| 2) (<= 1 |ackermann_#in~m|) (<= |ackermann_#t~ret7| 2)) (and (<= 2 ackermann_~m) (<= |ackermann_#t~ret7| 3) (<= |ackermann_#res| 3)))) [2021-02-21 20:17:15,579 INFO L185 CegarLoopUtils]: At program point L23-5(line 23) the Hoare annotation is: (let ((.cse0 (<= |ackermann_#in~n| 1))) (let ((.cse1 (<= 3 ackermann_~m)) (.cse5 (<= 7 |ackermann_#res|)) (.cse6 (<= |ackermann_#res| 7)) (.cse7 (<= 7 |ackermann_#t~ret9|)) (.cse4 (<= 5 |ackermann_#t~ret8|)) (.cse8 (<= |ackermann_#t~ret9| 7)) (.cse10 (<= ackermann_~m 1)) (.cse11 (<= |ackermann_#t~ret9| 5)) (.cse12 (<= |ackermann_#res| 5)) (.cse9 (<= 3 |ackermann_#in~n|)) (.cse13 (not .cse0)) (.cse2 (<= 5 |ackermann_#t~ret9|)) (.cse16 (<= 2 ackermann_~m)) (.cse3 (<= 5 |ackermann_#res|))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse4 .cse8) .cse9 .cse10) (or .cse1 (and .cse11 .cse12) .cse13) (let ((.cse14 (= ackermann_~n |ackermann_#in~n|)) (.cse15 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse2 .cse3 .cse4 .cse14 .cse15 (<= |ackermann_#in~n| 4)) (and .cse2 (<= |ackermann_#in~n| 3) .cse10 (<= 4 |ackermann_#t~ret8|) .cse3 .cse14 .cse15) (and (<= 6 |ackermann_#in~n|) .cse2 .cse3 .cse14 .cse4 .cse15) (and .cse2 .cse16 .cse3 .cse4 .cse14 .cse15) (and (<= |ackermann_#in~n| 2) (<= 3 |ackermann_#t~ret8|) .cse14 .cse15) (and .cse5 .cse6 .cse7 .cse15 .cse14 .cse4 .cse8) (and (<= |ackermann_#in~n| ackermann_~m) (<= 2 |ackermann_#t~ret8|) .cse10 (<= 3 |ackermann_#t~ret9|) (<= 3 |ackermann_#res|) .cse14 .cse15))) (or .cse0 (not (<= |ackermann_#in~m| 1)) (<= 5 |ackermann_#in~n|) (and (<= |ackermann_#res| 6) (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret9| 6) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#t~ret9|) (<= 6 |ackermann_#res|)) (and .cse11 .cse12 (<= |ackermann_#t~ret8| 4) .cse9) (and (<= 4 |ackermann_#res|) (<= |ackermann_#t~ret8| 3) (<= |ackermann_#t~ret9| 4) (<= 4 |ackermann_#t~ret9|) (<= |ackermann_#res| 4))) (<= 1 ackermann_~m) (let ((.cse17 (<= 1 |ackermann_#in~n|))) (or .cse13 (and (<= |ackermann_#t~ret8| 2) .cse17 (<= |ackermann_#t~ret9| 3) (<= |ackermann_#res| 3)) (and .cse2 .cse17 .cse16 .cse3)))))) [2021-02-21 20:17:15,579 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|)) [2021-02-21 20:17:15,580 INFO L185 CegarLoopUtils]: At program point L23-6(line 23) the Hoare annotation is: (let ((.cse11 (<= 7 |ackermann_#res|)) (.cse12 (<= |ackermann_#res| 7)) (.cse5 (<= 1 ackermann_~m)) (.cse13 (<= 7 |ackermann_#t~ret9|)) (.cse14 (<= |ackermann_#t~ret9| 7)) (.cse17 (<= |ackermann_#in~m| 1))) (let ((.cse6 (<= 3 ackermann_~m)) (.cse0 (<= 5 |ackermann_#t~ret9|)) (.cse1 (<= 5 |ackermann_#res|)) (.cse4 (<= 6 |ackermann_#in~n|)) (.cse2 (not .cse17)) (.cse7 (<= |ackermann_#t~ret9| 5)) (.cse8 (<= |ackermann_#res| 5)) (.cse15 (<= 3 |ackermann_#in~n|)) (.cse9 (<= 2 |ackermann_#in~n|)) (.cse10 (<= |ackermann_#in~n| 1)) (.cse16 (<= 1 |ackermann_#in~n|)) (.cse3 (and .cse11 (<= 5 |ackermann_#in~n|) .cse12 .cse5 .cse13 .cse14))) (and (or (and .cse0 .cse1 (<= |ackermann_#in~n| 4)) (and (<= |ackermann_#in~n| 2) (<= 3 |ackermann_#res|)) .cse2 .cse3 (and .cse4 .cse0 .cse5 .cse1)) (or .cse6 (and .cse7 .cse8) .cse9) (or .cse6 .cse10 (and .cse11 .cse12 .cse13 .cse14) (<= ackermann_~m 1) .cse15) (or (and .cse0 .cse16 .cse1) (and .cse17 .cse5)) (<= 3 |ackermann_#t~ret9|) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (or (and (<= |ackermann_#res| 6) .cse5 (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret9| 6) (<= 6 |ackermann_#t~ret9|) (<= 6 |ackermann_#res|)) .cse4 .cse2 (and .cse7 (<= |ackermann_#in~n| 3) .cse8 .cse5 .cse15) (and (<= 4 |ackermann_#res|) (<= |ackermann_#t~ret9| 4) (<= 4 |ackermann_#t~ret9|) .cse9 (<= |ackermann_#res| 4)) (and .cse10 .cse16 (<= |ackermann_#t~ret9| 3) (<= |ackermann_#res| 3)) .cse3)))) [2021-02-21 20:17:15,580 INFO L185 CegarLoopUtils]: At program point L16(lines 16 24) the Hoare annotation is: (= ackermann_~m |ackermann_#in~m|) [2021-02-21 20:17:15,580 INFO L185 CegarLoopUtils]: At program point ackermannFINAL(lines 16 24) the Hoare annotation is: (let ((.cse10 (<= 3 ackermann_~m)) (.cse8 (+ |ackermann_#in~n| 1)) (.cse9 (= |ackermann_#in~m| 0)) (.cse16 (<= 7 |ackermann_#res|)) (.cse17 (<= |ackermann_#res| 7)) (.cse12 (<= |ackermann_#in~m| 1)) (.cse0 (= |ackermann_#in~n| 0)) (.cse15 (<= |ackermann_#res| 5)) (.cse18 (<= 3 |ackermann_#in~n|)) (.cse3 (<= 3 |ackermann_#res|)) (.cse6 (<= 2 |ackermann_#in~n|)) (.cse14 (<= |ackermann_#in~n| 1)) (.cse1 (<= 2 ackermann_~m)) (.cse11 (<= 1 |ackermann_#in~n|)) (.cse5 (<= |ackermann_#res| 3)) (.cse19 (not (<= 1 |ackermann_#in~m|)))) (and (let ((.cse13 (<= 1 ackermann_~m)) (.cse7 (<= 5 |ackermann_#res|)) (.cse2 (= ackermann_~n |ackermann_#in~n|)) (.cse4 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse2 .cse4) (and (<= .cse8 |ackermann_#res|) .cse2 .cse4 .cse9) (and .cse10 .cse0 .cse2 .cse3 .cse4) (and .cse10 .cse11 .cse7 .cse2 .cse4) (and .cse12 .cse13 .cse7 .cse2 .cse4) (and .cse12 (<= 4 |ackermann_#res|) .cse13 (<= |ackermann_#in~n| 2) .cse2 .cse4) (and .cse14 .cse12 .cse13 .cse2 .cse4) (and .cse11 .cse15 .cse1 .cse7 .cse2 .cse4))) (or .cse10 .cse14 (and .cse16 .cse17) .cse18 (<= ackermann_~m 1)) (or .cse0 (<= |ackermann_#res| .cse8) (not .cse9)) (or (and .cse16 .cse17 (<= 5 |ackermann_#in~n|)) (<= 6 |ackermann_#in~n|) (not .cse12) (and (<= |ackermann_#res| 6) (<= 4 |ackermann_#in~n|) (<= 6 |ackermann_#res|) (<= |ackermann_#in~n| 4)) .cse0 (and (<= |ackermann_#in~n| 3) .cse15 .cse18) .cse19 (and .cse14 .cse3) (and .cse6 (<= |ackermann_#res| 4))) (or (and (<= 2 |ackermann_#res|) (<= |ackermann_#res| 2)) (not .cse14) .cse1 (and .cse11 .cse5) .cse19))) [2021-02-21 20:17:15,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 08:17:15 BoogieIcfgContainer [2021-02-21 20:17:15,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 20:17:15,608 INFO L168 Benchmark]: Toolchain (without parser) took 352522.22 ms. Allocated memory was 165.7 MB in the beginning and 1.1 GB in the end (delta: 899.7 MB). Free memory was 142.2 MB in the beginning and 721.1 MB in the end (delta: -578.9 MB). Peak memory consumption was 666.4 MB. Max. memory is 8.0 GB. [2021-02-21 20:17:15,608 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 165.7 MB. Free memory is still 141.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 20:17:15,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.91 ms. Allocated memory is still 165.7 MB. Free memory was 140.9 MB in the beginning and 131.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-21 20:17:15,609 INFO L168 Benchmark]: Boogie Preprocessor took 42.05 ms. Allocated memory is still 165.7 MB. Free memory was 131.6 MB in the beginning and 130.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-21 20:17:15,612 INFO L168 Benchmark]: RCFGBuilder took 444.55 ms. Allocated memory is still 165.7 MB. Free memory was 130.2 MB in the beginning and 145.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-02-21 20:17:15,612 INFO L168 Benchmark]: TraceAbstraction took 351774.69 ms. Allocated memory was 165.7 MB in the beginning and 1.1 GB in the end (delta: 899.7 MB). Free memory was 144.8 MB in the beginning and 721.1 MB in the end (delta: -576.3 MB). Peak memory consumption was 668.8 MB. Max. memory is 8.0 GB. [2021-02-21 20:17:15,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 165.7 MB. Free memory is still 141.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 234.91 ms. Allocated memory is still 165.7 MB. Free memory was 140.9 MB in the beginning and 131.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 42.05 ms. Allocated memory is still 165.7 MB. Free memory was 131.6 MB in the beginning and 130.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 444.55 ms. Allocated memory is still 165.7 MB. Free memory was 130.2 MB in the beginning and 145.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 351774.69 ms. Allocated memory was 165.7 MB in the beginning and 1.1 GB in the end (delta: 899.7 MB). Free memory was 144.8 MB in the beginning and 721.1 MB in the end (delta: -576.3 MB). Peak memory consumption was 668.8 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: ((((((((((((((((\old(n) == 0 && 2 <= m) && n == \old(n)) && 3 <= \result) && m == \old(m)) && \result <= 3) || ((((2 <= m && 2 <= \old(n)) && 5 <= \result) && n == \old(n)) && m == \old(m))) || (((\old(n) + 1 <= \result && n == \old(n)) && m == \old(m)) && \old(m) == 0)) || ((((3 <= m && \old(n) == 0) && n == \old(n)) && 3 <= \result) && m == \old(m))) || ((((3 <= m && 1 <= \old(n)) && 5 <= \result) && n == \old(n)) && m == \old(m))) || ((((\old(m) <= 1 && 1 <= m) && 5 <= \result) && n == \old(n)) && m == \old(m))) || (((((\old(m) <= 1 && 4 <= \result) && 1 <= m) && \old(n) <= 2) && n == \old(n)) && m == \old(m))) || ((((\old(n) <= 1 && \old(m) <= 1) && 1 <= m) && n == \old(n)) && m == \old(m))) || (((((1 <= \old(n) && \result <= 5) && 2 <= m) && 5 <= \result) && n == \old(n)) && m == \old(m))) && ((((3 <= m || \old(n) <= 1) || (7 <= \result && \result <= 7)) || 3 <= \old(n)) || m <= 1)) && ((\old(n) == 0 || \result <= \old(n) + 1) || !(\old(m) == 0))) && ((((((((((7 <= \result && \result <= 7) && 5 <= \old(n)) || 6 <= \old(n)) || !(\old(m) <= 1)) || (((\result <= 6 && 4 <= \old(n)) && 6 <= \result) && \old(n) <= 4)) || \old(n) == 0) || ((\old(n) <= 3 && \result <= 5) && 3 <= \old(n))) || !(1 <= \old(m))) || (\old(n) <= 1 && 3 <= \result)) || (2 <= \old(n) && \result <= 4))) && (((((2 <= \result && \result <= 2) || !(\old(n) <= 1)) || 2 <= m) || (1 <= \old(n) && \result <= 3)) || !(1 <= \old(m))) - 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: 53.3s, OverallIterations: 15, TraceHistogramMax: 42, AutomataDifference: 39.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 298.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 859 SDtfs, 2243 SDslu, 1624 SDs, 0 SdLazy, 11856 SolverSat, 2035 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1446 GetRequests, 787 SyntacticMatches, 0 SemanticMatches, 659 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13650 ImplicationChecksByTransitivity, 28.3s 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, 923 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 4841 PreInvPairs, 61809 NumberOfFragments, 2293 HoareAnnotationTreeSize, 4841 FomulaSimplifications, 2225674018 FormulaSimplificationTreeSizeReduction, 225.7s HoareSimplificationTime, 53 FomulaSimplificationsInter, 25311364 FormulaSimplificationTreeSizeReductionInter, 72.1s 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...